MD-S301MK
– 1 –
MD-S301MK
CONTENTS Page
SPECIFICATIONS ................................................................................................................................................................. 2
BATTERY DISPOSAL............................................................................................................................................................. 2
NAMES OF PARTS ............................................................................................................................................................... 3
OPERATION MANUAL .......................................................................................................................................................... 4
QUICK GUIDE ........................................................................................................................................................................ 6
DISASSEMBLY...................................................................................................................................................................... 7
REMOVING AND REINSTALLING THE MAIN PARTS......................................................................................................... 8
ADJUSTMENT ....................................................................................................................................................................... 9
BLOCK DIAGRAM ................................................................................................................................................................ 11
SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD.................................................................................................... 12
VOLTAGE ............................................................................................................................................................................. 17
NOTES ON SCHEMATIC DIAGRAM ................................................................................................................................... 18
PARTS GUIDE/EXPLODED VIEW
SERVICE MANUAL
SHARP CORPORATION
No. S8865MDS301MK
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
This Service Manual is for the MD-S301MK, which is a minormodification
model of the MD-S301, This manual, therefore, describes only the changed
points from the service manual. Please refer to the MD-S301 service manual
(No. S1801MDS301//) together with this manual.
MD-S301 Page
INSTALLING THE TOP CABINET .................................. 7
TEST MODE MENU ...................................................... 10
WAVEFORMS OF MD CIRCUIT................................... 31
TROUBLESHOOTING................................................... 32
FUNCTION TABLE OF IC ............................................. 36
MD-S301MK
– 2 –
Headphones — 5 mW + 5 mW 32 ohms
LINE 250 mV (-12 dB) — 50 kohms
Output level:
Dimensions: Width: 3-7/16" (87 mm)
Height: 31/32" (24 mm)
Depth: 3-3/32" (78 mm)
Weight: 0.43 lbs. (192 g) with rechargeable
battery
Output socket: Headphones (impedance: 19 ohms)/
remote control unit
MiniDisc Player
Type: Portable MiniDisc player
Signal readout: Non-contact, 3-beam semi-conductor
laser pick-up
Audio channels: 2
Frequency response: 20 - 20,000 Hz (± 3 dB)
Rotation speed: Approx. 400 - 900 rpm
Error correction: ACIRC (Advanced Cross Interleave
Reed-Solomon Code)
Coding: ATRAC (Adaptive TRansform
Acoustic Coding)
D/A converter: 1 bit
Sampling frequency: 44.1kHz
Modulation system: EFM (Eight to Fourteen Modulation)
Wow and flutter: Unmeasurable (less than ±0.001%
W.peak)
SPECIFICATIONS
General
Power source:
DC 3.6 V (rechargeable lithium-ion battery x 1)
DC 5 V (AC adaptor)
AC 120V, 60 Hz
DC 1.5 V: Optionally available battery case,
AD-S30BC(commercially available,
"AA" size, alkaline battery x 1)
DC 4.5 V: Optionally available car adaptor,
AD-CA20X(
for cars with a 12-24V
DC negative
ground electrical
system)
Power consumption:7 W (AC adaptor)
Output power: RMS; 10 mW (5 mW + 5 mW)
(0.2 % T.H.D.)
Charging time: Approx. 3.5 hours
(When using the AC adaptor included with
the unit)
Battery life:
Volume level: "VOL 15"
The above values are the standard values when the unit is
charged and used at an ambient temperature of 68 ˚F (20 ˚C).
The playing time when using an alkaline battery may be different,
depending on the type and manufacturer of the battery and on the
operating temperature. Specifications for this model are subject to change without
prior notice.
Approx. 8 hours Approx.3.5 hours Approx. 11.5 hours
When using the
rechargeable battery
(fully charged)
included with the unit
When using one, commer-
cially available, high
capacity, "AA" size, alkaline
battery (in the optionally
available battery case)
When using one, commer-
cially available, high
capacity, "AA" size, battery
with the rechargeable
battery (fully charged)
Maximum
output level Load
impedance
Specified
output
BATTERY DISPOSAL
Contains nickel cadmium (or sealed lead) battery.Must be
recycled or disposed of properly.Remove the battery from the
product and contact federal or state environmental agencies
for information on recycling and disposal options.
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
MD-S301MK
– 3 –
NAMES OF PARTS
Main unit
1. Volume Buttons: +, –
2. Stop/Power Off/Charge Button: :OFF
3. Power Indicator
4. Fast Reverse Button:
5. Play/Fast Forward Button:
6. 5V DC Input Socket
7. Eject Lever
8. Hold Switch
9. Battery Case Connection Terminals
10. Headphones Socket
11. Rechargeable Lithium-lon Battery Compartment
Remote control unit
1. Character/Time Information Display
2. Disc Mode Indicator
3. Total Track Number Display
4. Track Number Indicator
5. Battery Indicator:
6. Repeat Indicator:
7. Random Indicator
8. Headphones Socket
9. Hold Switch
10. Play Mode Button
11. Volume Buttons: +, –
12. Bass Button
13. Display Button
14. Play/Pause Button:
15. Stop/Power Off Button:
16. Fast Reverse/Fast Foward Buttons:
2
3
1
5
6
7
10
11
8
9
RANDOM
TOTAL
1
10
11
12
913
14
15
16
8
1
26
7
45
3
MD-S301MK
– 4 –
OPERATION MANUAL
■Rechargeable battery power
When the rechargeable battery is used for
the first time or when you want to use it
after a long period of disuse, be sure to
charge it fully.
1Open the rechargeable battery com-
partment cover.
2Insert the rechargeable battery.
●Insert the side with the arrow first.
3Close the rechargeable battery com-
partment cover.
4Plug the AC adaptor into the AC outlet,
and then insert the plug on the AC
adaptor cord into the DC IN 5V jack.
5Press the ■:OFF button to begin charg-
ing.
●The POWER indicator will flash, and
the battery will begin charging.
●Battery charging will be complete in 3.5
hours. When the battery is fully
charged, the POWER indicator will go
out.
1
2
POWER SOURCE
Notes:
●After charging is complete, the AC
adaptor may be left connected.
(For example, when charging at night)
●The battery will not be charged when-
ever the power to the main unit is
turned on.
●If the operation in step 5 is performed
without inserting the rechargeable bat-
tery, the POWER indicator will flash for
5 seconds. This is normal.
●Do not force open the rechargeable
battery cover too far.
●Do not attach the optionally available
battery case when charging the internal
battery.
This unit can be used with 4 different power sources: a rechargeable battery, an AC
adaptor, an optionally available battery case (AD-S30BC), and an optionally available car
adaptor (AD-CA20X).
OPEN
OPEN
Mark
To the
DC IN 5V
jack
AC 120V, 60 Hz
OPEN
OFF
POWER
5
Insert
securely,
all the way
in.
4
■ Checking the remaining
amount of battery charge
The remaining amount of battery charge is
shown by the battery indicator ( ) on
the remote control display during oper-
ation.
How to read the battery indicator
●When the battery is completely dis-
charged, the whole battery indicator will
flash. Recharge the battery or replace
the alkaline battery with a new one.
●When the battery has completely run
out, “Lo BATT” will appear in the dis-
play. Then, the power will be discon-
nected automatically.
Notes:
●
When the AC adaptor included with this
unit or an optionally available car adaptor
is used, the battery indicator will not be
shown.
●
The number of bars shown in the battery
indicator may increase or decrease, de-
pending on the operation being per-
formed. This is normal.
●
When the rechargeable battery and the
alkaline battery are used at the same time,
the rechargeable battery is used first, and
then the alkaline battery.
Since the battery indicator shows the re-
maining amount of the particular battery
being used, the number of bars will in-
crease when the unit switches to the al-
kaline battery.
CONVENIENT OPERATION OF THE UNIT
Battery
indicator
Charging is
needed.
When the battery is
completely charged
MD-S301MK
– 5 –
If trouble occurs
When this product is subjected to strong
external interference (mechanical shock,
excessive static electricity, abnormal sup-
ply voltage due to lightning, etc.) or if it is
operated incorrectly, it may malfunction. If
such a problem occurs, do the following:
1. Unplug the AC adaptor from the AC
outlet.
2. Remove the battery.
3. Leave the unit completely unpowered
for approximately 30 seconds.
4. Plug the AC adaptor back into the AC
outlet and retry the operation.
If strange sounds, smell or smoke come
out of the unit or an object is dropped into
the unit, remove the AC adaptor from the
AC outlet immediately and contact an au-
thorized Sharp service centre.
Many potential “problems” can be resolved by the owner without calling a service techni-
cian. If something seems to be wrong with this product, check the following before calling
your authorized SHARP dealer or service center.
PROBLEM CAUSE
The unit does not turn
on.
Is the AC adaptor disconnected?
Is the battery exhausted?
Is the unit in the safety mode?
Has condensation formed inside the unit?
Is the unit being influenced by mechanical shock or by
static electricity?
No sound is heard
from the headphones.
Is the volume set too low?
Is the remote control unit or the headphones plugged
in?
Are you trying to play a MiniDisc with data on it
instead of a MiniDisc containing music?
When the operation
buttons are pressed,
the unit does not
respond.
Is the unit in the safety mode?
Is the battery exhausted?
Is the remote control unit plug or the headphone plug
inserted firmly?
Has condensation formed inside the unit?
Is the unit being influenced by mechanical shock or by
static electricity?
Some sounds are
skipped. Is the battery exhausted?
Is the unit being subjected to excessive vibration?
TROUBLESHOOTING
When an error message is displayed on the display, proceed as follows:
Display Meaning Remedy
BLANK Nothing is recorded. Replace the disc with a
recorded disc.
E-DISC
The disc is damaged or
the music information is
not written properly on the
disc.
Replace the disc.
E-SYS The unit is malfunctioning
and will require service. For service, contact your
local Sharp authorized
servicer.
E-TEMP The temperature is too
high. Turn off the power, and
wait for a while.
E-TOC
E-UTOC The disc is damagad. Replace the disc.
Lo BATT
The battery has run down. Charge the rechargeable
battery or replace the
alkaline battery (or use
the AC adaptor for power).
No DISC A disc has not been
loaded. Load a disc.
POWER? Improper power is being
supplied. Use one of the specified
power sources.
?DISC There is an error in the
signal from the disc. Replace the disc.
ERROR MESSAGES
MD-S301MK
– 6 –
PORTABLE MINIDISC PLAYER Quick-Guide
Guía rápida
MD-S301
MK
Sound control
Control del sonido
3
AC 120V, 60Hz
To an AC outlet
120V CA, 60Hz
A un tomacorriente de CA
Press the ■:OFF
button to begin
charging.
Pulse el botón
■:OFF
para iniciar
la carga.
4
Rechargeable battery power
Alimentación de la batería recargable
AC power
Alimentación de CA
Volume Tone
Volumen Tono
(1) BASS 1
Bass is emphasized a little.
(2) BASS 2
Bass is emphasized more.
(3) BASS 3
Bass is emphasized still more.
(4) BASS OFF
Bass emphasis is canceled.
(1) BASS 1
Los graves se acentúan un
poco.
(2) BASS 2
Los graves se acentúan más.
(3) BASS 3
Los graves se acentúan toda-
vía más.
(4) BASS OFF
La acentuación de los graves
se cancela.
●The volume level can be
adjusted from “0” to “30”.
●
El nivel de volumen puede
ajustarse desde “0” a “30”.
To the DC IN 5V jack
Al enchufe DC IN 5V
AC 120V, 60Hz
To an AC outlet
120V CA, 60Hz
A un tomacorriente de CA
2
1
Volume level
Nivel de volumen
BASS
Alkaline battery power
Alimentación de la pila alcalina
•One alkaline battery
(LR6, “AA” size)
•
Una pila alcalina
(tamaño “AA”, LR6)
2
1
•Battery is not included.
•
La pila no está incluida.
OPEN
OPEN
OPEN
The optionally available alkaline
battery case
La caja de la pila alcalina
disponible opcionalmente
RELEASE LOCK
Back of the MD player
Parte trasera del reproductor de minidiscos
Connection
Conexión
■ Volume setting
Reduce the volume before starting to play. MiniDiscs,
compared to ordinary cassette tapes, have very little
noise. If the volume is adjusted according to your
usual expectations of noise, you may damage your
hearing due to the high volume.
■
Ajuste del volumen
Reduzca el volumen antes de iniciar la reproducción.
Los mínidiscos, en comparación con las cintas de
casete normales, tienen muy poco ruido. Si se ajusta
el volumen de acuerdo con el ruido que puede esper-
arse normalmente, podría dañarse los oídos debido
al alto volumen.
■ Important
●Do not wear your headphones when you are cross-
ing streets or near traffic.
●Do not use your headphones while driving a motor
vehicle, it may create a dangerous traffic hazard
and may be illegal. Remember to obey all of the
safety rules in your area.
●Do not play the unit at a high volume. Hearing
experts advise against extended play at high vol-
ume levels.
●If you experience ringing in your ears, reduce the
volume or discontinue use.
■
Importante
●
No se ponga auriculares cuando atraviese calles ni
cuando esté cerca del tráfico.
●
No emplee los auriculares mientras conduce un
vehículo, porque puede crear situaciones peligro-
sas en el tráfico y puede ser ilegal. Recuerde que
debe respetar las reglas de seguridad de su zona.
●
No reproduzca sonido en el aparato a altos niveles
de volumen. Los expertos dicen que es perjudicial
la reproducción continuada a altos niveles de vol-
umen.
●
Si nota timbres en los oídos, reduzca el volumen o
no utilice el aparato.
Connection
Conexión
■ Random play or Repeat play
■
Reproducción aleatoria o
reproducción repetida
■ APSS
(Auto Program Search System)
■
APSS
(Sistema de búsqueda
automática de programas)
To move to the beginning of the next track:
Press the / ( ) button during playback.
To re-start the track being played:
Press the button during playback.
Para pasar al principio de la pista siguiente:
Pulse el botón
/()
durante la reproducción.
Para reiniciar la pista que se está reproduciendo:
Pulse el botón durante la reproducción.
During playback or while in the stop mode, press the PLAY
MODE button repeatedly to select the playback mode.
Durante la reproducción o en el modo de parada, pulse repeti-
damente el botón PLAY MODE para seleccionar el modo de
reproducción.
RANDOM
1
No display
.......... Random play
............. Repeat play of all of the tracks
............. Repeat play of a single track
......... Normal playback
RANDOM
1
Sin visualización
..........
Reproducción aleatoria
.............
Reproducción repetida de todas las pistas
.............
Reproducción repetida de una sola pista
...
Reproducción normal
Loading and playing a MiniDisc
Inserción y reproducción de un minidisco
12
OFF
Track name
Nombre de pista
PLAY MODE
MD-S301MK
– 7 –
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take the battery and minidisc out of the unit.
2. When disassembling the machine, be sure to withdraw
the power plug from the socket in advance.
3. When disassemble the parts, remove the nylon band or
wire holder as necessary.
To assemble after repair, be sure to arrange the wires as
they were.
If a screw of different length is fitted to the MD mecha-
nism (the screw of the part to be fitted to the MD
mechanism chassis), it may contact the optical pickup,
resulting in malfunction.
4. When repairing, pay due attention to electrostatic charges
of IC.
1 Bottom Cover 1. Battery Cover.........(A1) x1 7-1
2. Screw .................... (A2) x6
2 Top Cabinet 1. Screw .....................(B1) x4 7-1
2. Flexible PWB ........ (B2) x1 7-2
3 Main PWB 1. Screw .................... (C1) x1 7-2
2. Flexible PWB ........ (C2) x2
3. Soldering ............. (C3) x3
4 Mechanism Unit 1. Lift the back side, and 7-3
remove in the arrow
direction.
REMOVAL PROCEDURE
STEP FIGURE
Note:
Carefully handle the main PWB and flexible PWB.
So as to prevent electrostatic damage of optical pickup after
removing the flexible PWB (*1) for optical pickup from the
connector, wrap the front end of flexible PWB in conductive
aluminum foil.
Figure 7-1
Figure 7-2
Figure 7-3
(A2)x2
ø1x2.5mm
(A2)x2
ø1x2.5mm
(A1)x1
(A2)x2
ø1x2.5mm
(B1)x2
ø1x2.5mm
(B1)x2
ø1x2.5mm
Center
Cabinet
Bottom Cover
Pull
Top Cabinet
(C1)x1
ø2x3mm
(B2)x1
(C2)x1
(C3)x3
(C2)x1*
Flexible PWB for
optical pickup
Main PWB
Pull
Pull
Pull
Pull
Pull
Mechanism Unit
MD-S301MK
– 8 –
REMOVING AND REINSTALLING THE MAIN PARTS
Remove the mechanism according to the disassembling meth-
ods 1 to 4. (See Page 7.)
Figure 8-1
Figure 8-3
Figure 8-2
How to reinstall the optical pickup unit
(See Fig. 8-3.)
1. Remove the screw (C1) x 1 pc.
2. Slowly raise the optical pickup.
Note:
Be careful so that the motor gear is not damaged.
(If the gear is damaged, abnormal sound is emitted when
searching is performed.)
How to remove the sled motor (See Fig. 8-2.)
1. Remove the stop washer (B1) x 1 pc., and remove the gear
(B2) x 1 pc.
2. Remove the screws (B3) x 2 pcs.
3. Remove the flex PWB soldering joint (B4) x 3 places, and
remove the sled motor.
Note:
Be careful so that the motor gear is not damaged.
(If the gear is damaged, abnormal sound is emitted when
searching is performed.)
How to remove the spindle motor (See Fig. 8-1.)
1. Remove the flexible PWB solder joint (A1) x 1.
2. Remove the screws (A2) x 3 pcs., and remove the spindle
motor.
* When installing the spindle motor, gently press in the arrow
direction (in view of grating).
(A2)x3
ø1.4x2.8mm
MD Mechanism
Spindle Motor
Solder joint of mechanism
flexible PWB
(A1)x1
(B3)x1
ø1.4x1.5mm
(B3)x1
ø1.4x1.2mm
(B4)x3
Solder joint of mechanism
flexible PWB
(B2)x1
Sled Motor
Bracket
Stop Washer
(B1)x1
(C1)x1
ø1.7x3mm
Optical Pickup
Shaft
MD-S301MK
– 9 –
How to enter the TEST MODE (In STANDBY state)
Holding down the PLAY MODE button of remote control unit, press the VOL button and button of main unit.
Charge control "ON"
Indication of microcomputer version for one second [ ]
: Microcomputer ROM version
: EEPROM version
All LCD lighting for 2 seconds
TEST MODE STOP "_TEST_"
* When the button is pressed while the indication and appears, the mode is changed to TEST MODE STOP state.
* If the button is pressed while indication to appears, the EEPROM rewrite-enable area is updated, and the mode is changed
to STAND-BY state.
How to leave the TEST MODE
In the TEST MODE STOP state, version indication state and full-lighting state press the button.
Initialization of normal mode setting.
(BASS setting, VOL setting, etc.)
EEPROM rewrite-enable area updating and adjustment error setting.
(all items are adjusted when power is turned on in the normal mode)
Change to standby state.
Preliminary automatic adjustment or EEPROM rewriting
Short-circuit TP435 and TP421.
Perform preliminary automatic adjustment or EEPROM rewriting.
Press the button to set the standby state.
Release short-circuiting of TP435 and TP421.
ADJUSTMENT
Preparation for adjustment (use the low reflection disc on which music has been recorded)
MD adjustment needs two types of disc, namely recording disc (low reflection disc) and Playback only disc (high reflection disc).
Type Test disc Parts No.
1 High reflection disc MMD-110 (TEAC TEST MD) 88GMMD-110
2 Low reflection disc MMD-212 (TEAC TEST MD) 88GMMD-212
—
MD-S301MK
– 10 –
Item Setting Item Setting
Item Setting Item Setting
Item Setting Item Setting
Item Setting
Item Setting Item Setting
Item Setting Item Setting
EEPROM DATA LIST (ROM Version : h)
Focus setting
Sled setting
Control setting
Tracking setting
Item Setting Item Setting
F G 3 5 HF F 1 7 0 H
F F 2 F 0 HF H Z D B H
F L n 0 9 HD J G 1 4 H
F R V 0 0 HF P f 8 8 H
F L V 3 5 HW T f 2 0 H
F S S 0 2 H
Spindle setting
BASS setting
S L K 4 2 HS T L 2 1 H
S T M 0 6 HS T E 2 1 H
S D V 6 6 HS J P 0 6 H
S R V 0 9 H
B S 1 A 2 HB S 2 C 4 H
B S 3 E 4 H
TEMP setting
T M H
Adjustment setting
C O K A 0 HF A T C 0 H
T A T 3 E HC A T 2 0 H
F A B 0 0 H
H Q 1 9 0 HH Q 2 9 0 H
H S G 1 1 HH S O F D H
L Q 1 9 0 HL Q 2 9 0 H
L S G 1 1 HL S O 0 0 H
G Q 1 9 4 HG Q 2 8 A H
G S G 1 1 HG S O 0 0 H
D Q R 0 0 H
Digital EQ setting
C T O 4 7 HC T 1 D 0 H
P W L 0 3 HR C O 1 B H
R C 1 0 0 HD R E 6 E H
D R 1 1 0 HD R 2 4 6 H
I N 1 3 2 HI N 2 4 9 H
I N E 6 E HC T 2 1 4 H
C T 3 8 0 HC T 4 0 0 H
C T 5 0 0 HC T 6 0 0 H
C T 7 0 0 H
H: After measuring temperature set the value obtained
from the correction table.
TEST mode version display:
: Microcomputer ROM version
: EEPROM version
: Destination setting
Item Setting Item Setting
T G 3 B HT F 1 7 0 H
T F 2 E 0 HT F S 0 0 H
T B o 1 9 HT B t 2 A H
T K o 1 F HT K t 1 1 H
T D o B B HT D t 1 E H
S C o 0 0 HS C t 4 0 H
S C m 5 3 HD B O 0 0 H
C L p 1 2 HC L r 2 4 H
W T m 9 0 H
Item Setting Item Setting
S P G 1 6 HS P i A C H
S P m 8 5 HS P o 5 6 H
S P 1 1 0 HS P 2 6 0 H
S P 3 F 2 HS P 4 F 2 H
S P 5 1 0 HS P D 6 9 H
S P R 0 0 H
MD-S301MK
– 11 –
Figure 11 BLOCK DIAGRAM
26~29
32~37
39~46
25
41
74
42
40
28, 30
73
67, 44
+2.5V
Q852
IC404
REMOTE CONTROL
DRIVER
5, 6
IC101
IR3R55
RF SIGNAL
PROCESSOR
Q101 15
1~9
11~19
IC201
LR376481
ENDEC
3, 5~9, 11
74, 70~72
48~55
37~39
90~100
64
65 97
43
SW452 SKIP DOWN
SW453 STOP
SW454 VOLUME DOWN
SW455 VOLUME UP
17~22, 24
IC601
MPC17A39
PICKUP COIL
DRIVER
2, 15~18, 20, 21
17 24
13
1, 3, 6
20, 19
3-PHASE BRUSH
LEESS DRIVER
IC901
BA6965FV
6, 8, 11, 12
4MBIT D-RAM
DRIVER CONT
M
M
M901
SPINDLE MOTOR A-B SIGNAL
E-F SIGNAL 11, 12
9, 10
1, 2, 3, 4
RF1~RF4 SIGNAL
OPTICAL
PICKUP UNIT
B
A
E
F
TRACKING
LASER DIODE
FOCUS
RF1
RF2
RF3
RF4
J701
REMOTE CONTROL/
HEADPHONES
L-CH
R-CH
18
19
17
+B+B
70
AUDIO AMP
IC702
IR3R54N
14
16
2, 4
7, 16
22, 23
24
+B
5, 11
15
1, 2, 3, 6
D/A
CONVERTER
IC501
UDA1320
10
7, 5, 3
1~4 4
5
IC403
TC7W14FU
INVERTER
EEPROM
IC402
S29L294A
+B+B
88
11, 1486~88
+B 9, 23, 24
36, 81
IC401
IX2677AF
SYSTEM
MICROCOMPUTER
91, 16~19
82~84, 86
XL201
33.8688MHz
SW401
HOLD SW
SW901
DISC IN
SW451 PLAY/SKIP UP
ENDEC
AUDIO
D/ACONVERTER
LASER
MOTOR DRIVER
12, 33, 72
IC405
S80821LN
RESET
D402
+B
+B
4
2
1
15
POWER DRIVE
IC831, IC832
IC821, IC851
IC871
TK71325M
POWER SUPPLY
MICROCOMPUTER
4
2, 3
5
SYSTEM MICROCOMPUTER
MOTOR DRIVE
CHARGE DRIVE
ON/OFF
D801 Q801
CONSTANT
CURRENT DRIVE
IC812
IC861,
862, 863
START UP DRIVE
2~4
INTERNAL
BATTERY
3.6V
BATTERY
1.5V
1
J801
EXTERNAL BATTERY
DC JACK
(DC IN 5V)
+B 12, 62, 68,
78, 87
IC202
IX2567AF
4M BIT
D-RAM
20
+B 10
+B
5, 9, 10, 14
23, 27, 28, 32
1, 4, 7, 12, 19,
22 , 25, 30, 33
1015
+B
LASER POWER
CONTROL
M902
SLED MOTOR
MD +B
13, 14, 24, 42 18, 19, 43
1
24
25~30, 40
4,13~16
38, 60, 63
9, 88
2~7
SLED MOTER
DRIVER
4, 7, 8
9, 13
8, 10, 12
57
90 S-80821ALNP Q871
L
R
AGND
DGND
KEY
PLAY
DATA
EL+B
2
3
4
5
1
7
8
6
U.
V.
W
U.
V.
W
IC911, 912, 913
Q901 ~ Q906
POWER SELECT CHARGE
7SH86FU
MD-S301MK
– 12 –
A
B
C
D
E
F
G
H
123456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
Figure 12 SCHEMATIC DIAGRAM (1/2)
C113
0.1
C222
22P(CH)
C112
0.033
TP616
R907
150K
C902
0.01 R908
100K
R909
10K
R419
100K
R420
330
R435
1K
CK901
CK902
CK903
C622
0.1
R411
100K
C609
4.7
C608
1
R233
270K
R231
82K
R232
62K
CK110
CK111
R102
56K
R415
47K
C409
10P(CH)
R417
10K
R424
10K
C405
150P(CH)
R418
39K
C406
680P
IC403
TC7W14FU
INVERTER
C408
1
R451
12K
R452
10K
R454
22K
1
R
4
3
3
C
4
0.
0
T
T
R408
22K
TP411
IC913
RN4904
6
5
4 3
2
1
IC912
RN4904
6
5
4 3
2
1
IC911
RN4904
6
5
4 3
2
1
TP413
TP414
L201
4.7µHTP220
TP219
TP218
TP412
TP410
TP409
TP433
TP145
TP612
TP613
TP607
TP608
TP609
TP611
TP610
TP603
TP604
TP606
TP605
TP601
TP602
R161
1.2K
C165
0.033
CK104
CK105
CK106
R113
22K
R111
22K
Q101
2SA17457
C161
1
C111
0.0033
C102
1
CK109
CK108
TP132
TP130
TP133
CK107
TP131
C109
4.7
IC101
IR3R55
RF SIGNAL
PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
12
11
10
9
8
7
6
5
4
3
2
1
C107
0.012
C110
0.22
CK102
CK112
CK103
CK101
C106
0.22
TP139
R154
1.2K
R112
22K
R114
22K
TP100
C124
390P
C121
270P(CH)
C123
390P
C122
270P(CH)
C103
@
1
TP144
C104
0.027
R101
390K
R423
1K
R407
100K
C204
0.1
TP201
R204
1K
C203
0.1
TP614
TP116
Q903
NDS355AN
Q901
NDS355AN
R914
100K R915
100K R916
100K
Q906
NDS335N
Q905
NDS335N
Q904
NDS335N
R913
100K
R912
100K
R911
100K
Q902
NDS355AN
TP615
R455
100K
R414
22K
TP419
C407
1
CK403
R40
9
22
K
C231
0.1
C101
10/6.3 L101
10µH
C903
1
R906
270K
R905
100K
C910
0.047
C908
0.47
C906
0.0022
C909
0.047
C905
0.0022
C907
0.0022
IC901
BA6965FV
20
19
18
17
16
15
14
13
12
11 10
9
8
7
6
5
4
3
2
1
R902
1
R901
1
R904
22K
C911
0.1
R903
150
TP115
TP114
TP106
R413
1K
TP122
TP121
TP120
TP113
TP111
TP119
TP110
TP118
TP117
R431
100K
R433
1K
TP434
IC402
S29L294A 8
7
6
5
4
3
2
1
TP435
R434
1K
TP436
R430
10K
R601
56K
IC601
MPC17A39
PICKUP COIL DRIVER
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L602
47µH
L601
47uH
L604
47µH
L603
47µH
C602
1
C603
1
C604
1C601
1
L608
47µH
L609
10µH
L600
2.2µH
C600
15/10
TP617
TP105
TP102
TP101
TP109
TP103
TP108
TP417
TP418
IC401
IX2677AF
SYSTEM MICROCOMPUTER
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76 50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
CK406
CK405
CK404
TP422
R222
1M
C211
5P(CH)
C212
5P(CH)
XL201
33.868MHz
C201
1
TP206
TP208
TP210
IC201
LR376481
ENDEC
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76 50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
TP209
CK207
CK206
CK205
TP205
TP204
CK201
CK204
TP203
CK203
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4 3 2 1
13
12
11
10
13
12
11
10
9
8
7
6
5
4 3 2 1
4
M901
SLED
MOTOR
PH901
GP1S93K
SW901
DISC IN
1
1
2
2 4
3
3
SW451
PLAY/S.UP
SW455
V.UP
SW454
V.DOWN
SW453
STOP
SW452
S.DOWN
6
5
4 3
2
1
6
5
4
3
2
1
NC
P65
P66
P67
PO4
XT2
X2
NC P64
CIN
WB
EFM
TCG
A
B
E
F XRT
SYRDX
SYWRX
SYCS
SYSD1
SYSD0
SYSD2
SYSD7
SYSD6
SYSD5
SYSD4
SYSD3
SPDRF
FODRR
FODRF
SLDRF
TRDRR
TRDRF
SYWRX
SYSD6
SYSD2
SYSD4
SYSD3
SYSD5
SYRDX
SYSD7
SYCS
SYSD0
SYSD1
CIN
SENSE
FOK
DINT
DINT
SENSE
FOK
XRT
X176KO
FODRF
SPDRF
SLDRF
TRDRR
TRDRF
FODRR
F
B
EFM
TCG
E
WB
A
G G G
G
G
G
D
D D D
S
S
S
S
S
S
W
V
U
P54
SYD3
PDCNT
VBATC
INNSW
DISCIN
CKSTP
PCNT2
VPP
PCNT1
PHOLD
CIN
ELON
P33
EEPK
EEPD
EPCS
TEST1
TEST0
P101
SPIN
VDD
RACLK
HSTOP
P62
HPLAY
KHOLD
VSS
P57
P56
P55
PBOPON
PWLED
PBLAT
RADAT
RFLAT
OPICGA
LDON
P43
PSLDRY
PSLDCI
PSLINN
SYD7
SYD6
SYD5
SYD4
SYD2
SYD1
SYD0
P27
P26
P25
BEEP
EMPH
RPLAY
RMDAT
RMLOG
SYRS
SYRD
SYWR
MDOUT5
LDVAR
CNTRY
TEMP
ANI5
HKEY1
RKEY
PLVDRY
PLVDCI
PLVINN
DCNT
PO5
XRT
FOK
SENSE
DINT
OEM
SLCNT6
SLCNT5
SLCNT4
SLCNT3
SLCNT2
SLCNT1
AVREF1
AVSS
AVREF0
AVDD
RESET
XT1
VSS
X1
VDD
GND
VCC
FG
UIN
VIN
WIN
COM
CST
CSL
CSLBRK–
BRK+
STBY
RIB
RFWOUT
VOUT
VM
UOUT
RI4
FI4
FI3
RI3
VD4
FO4
PGND
RO4
VD4
VD3
RO3
PGND
FO3
VD3
GND
LG
VC
VG
RI2
FI2
FI1
RI1
VD2
FO2
PGND
RO2
VD2
VD1
RO1
PGND
FO1
VD1
OE
PS
CLK
AGND
F–
T+
F+
T–
EFMMON
EX0
RAA10
ACRCER
PLCK
SYRS
F–
FEMON
DADATA
ADDATA
DFCK
BCLK
LRCK
DGND
VDD3
DOUT
DIN
X1O
X1I
VPD
VXI
CDBCLK
CDLRCK
CDDATA
TEST4
TEST3
TES01
EX1
X700KO
TOTMON
TEMON
SBCK
SBO
SBSY
SFSY
FOK
SENSE
COUT
MCCK
DINTX
RSTX
SYSD0
SYSD1
SYSD2
SYSD3
SYSD4
SYSD5
SYSD6
SYSD7
SYWRX
SYRDX
VBAT
WBI
TEST1
TEST0
FODRR
FODRF
TEST2
X176KO
TRDRF
TRDRR
SLDRF
SLDRR
SPDRF
SPDRR
TCG
AGND
AIN
FIN
EIN
BIN
PRTCT
GND
DO
DI
SK
CS VCC
DGND
VDD1
VDD1
DGND
EFMI
AVCC
DGND
VDD1
RAD0
RAD1
RAWEX
RARASX
RAA9
DGND
VDD2
RAD3
RAD2
RACASX
RAOEX
RAA8
RAA7
RAA6
RAA5
RAA4
RAA0
RAA1
RAA2
RAA3
TCRS
EFMO
F+
T–
T+
B
COM
LDYCC
DGND
DGND
LDON
LDVAR
RF2
MP/R
AGND
RF4
RF3
F
RF1
T+
T–
A
OPICVCC
U
COM
W
V
V
U
W
COM
MECHANISM
FLEXIBLE PWB
SPINDLE MOTOR/SLED MOTOR UNIT
OPTICAL
PICKUP UNIT
E
E–
E+
V
W
COM
U
V
COM
W
U
M902
SPINDLE
MOTOR
KEY FLEXIBLE
PWB
KEY SWITCH FLEXIBLE UNIT
NC
NC
ROUT
GOUT
TTR
EFMAGI
EFMAGC
AGND
AVCC
EFMI
EFMO
RF2-1
ADAG
ADAGC
ADIPI
ADIPO
ADLPFO
22KO
22KI
WBO
TCGO
AOUT
BOUT
EOUT
FOUT
DVCC
DATA
CLOCK
LATCH
DTEMP
DGND
AGND
SGAIN
DISC
STBY
AVCC
BIAS
FIN
EIN
BIN
AIN
TCGI
RFADD
REFO
REFI
RF4
RF3
RF2
RF1
BIAS
ADIP
AGC
EFM
AGC
DIFF
DIFF
R
and
SW
HPF
LPF
LOGIC
M
M
48 47 46 45 44 43 42 41 40 39 38 37
24
23
22
21
20
19
18
17
16
15
14
13
7574 7372 71
70 69 6867 66 65 64 63
62 6160 59 58
57 56 55 54 53 52 51
25
24
23
22
21
20
19
18
17
16
15
14
1312
11
10
9
8
7
6
5
4
3
2
1
7574 73 72 71 70
6968 67 66 65 64 63 62 6060 59 58 57
56 55 54 53 52 51
25
24
23
22
21
20
19
18
17
16
15
14
13 12
11
10
9
8
7
6
5
4
3 2 1
8 7 6 5
4
3
2 1
R402
15K
X176KO
S
W
LED401
CL200HRC
PLAYBACK SIGNAL
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3 2
1
CN101
FLEXBLE
PWB
R405
100K
TP421
CN401
TP401
TP402
TP403
TP404
TP405
TP406
R416
12K
EEPROM
2
D
D
3-PHASE
BRUSH LEESS
DRIVER
9
8
7
6
5
4 3 2 1 CN601
IC911~IC913’
POWER SELECT
CHARGE DRIVER
50
49
48
78
77
76
100
99
98 28
27
26
78
77
76
100
99
98 28
27
26
50
49
17
MD-S301MK
– 13 –
Figure 13 SCHEMATIC DIAGRAM (2/2)
78 9 10 11 12
• The numbers 1 to 17 are waveform numbers shown in page 31 of MD-S301.
C816
27P(CH)
C815
27P(CH)
C833
0.01
D831
RB521S30
R836
100K
C827
10
R824
390K
R823
360K
C828
12P
(CH)
IC833
TC7S66FU
ANALOG SWITCH
J701
REMOTE CONTROL/
HEADPHONES
8
7
6
5
4
3
2
1
TP727
TP724
TP723
TP722
TP726
C721
47/4.0
C722
47/4.0
R502
5.6K
R501
5.6K
C732
47/4.0 C731
47/4.0
R506
8.2K
R505
8.2K
TP701
TP702
L721
100µH
L711
100µH
C859
1C751
0.1
L751
4.7µH
IC702
IR3R54N
AUDIO AMP.
C704
1
C705
0.01 R701
150K
C703
1
C701
1
C702
1
R707
27K
R708
27K
C716
0.083
C715
0.083
R714
8.2
R713
8.2
C714
0.22
C712
0.0022 R712
82
C711
0.0022 R711
82
C713
0.22
L702
47µH
L701
47µH
D702
015Z5.1Y
R710
1K
R709
1K
D451
015Z5.1Y
C707
0.056
R702
330K
C706
3.3/6.3
R722
TIPSOLID INDUCTI
L733
L736
L710
L732
L731
TP721
L734
TP728
TP725
C507
2.2
C508
2.2
C742
0.001
C741
0.01
R818
560K
C812
0.1
C811
1
R812
22K
R804
1.2K
D813
SB10015C
D803
RB521S30
IC801
HN1C03FU
CONSTANT
CURRENT DRIVE
6
5
4
3
2
1
R801
2.7K
D802
015Z5.1Y
R803
3.9K
D812
SB10015C
IC802
UMD3N
CONSTANT
CURRENT DRIVE
R802
3.3K
C801
1
TP805
TP112
TP804
R806
270
R805
10K
C824
3.3
L823
4.7µH
C823
1
C822
33/10
L821
1µH
D821
RB521S30
L822
4.7µH
IC821
NDC631N
POWER DRIVE
6
5
4
3
2
1
L824
10µH
C826
1
C845
1
D841
1SS372
C846
1
D822
F1J2F
R821
56K
R822
27K
C821
0.1
Q801
2SD1950
TP872
TP871
TP806
R811
1K
D811
SB10015C
IC811
NDH831N
CONSTANT
CURRENT DRIVE
R814
100K
R819
100K
IC812
HAT1025R
8
7
6
5
4
3
2
1
R813
100K
Q812
DTC144 EE
Q811
DTC144 EE
R817
470K
TP801
TP802
R860
100K
C842
56P(CH)
R847
220K
C858
10
L871
4.7
L611
1µH
C611
1
L501
10µH
TP501
C502
10/6.3
C501
10/6.3
IC501
UDA1320
D/A CONVERTER
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C503
10/6.3
C504
10/6.3
D814
RB521S30
D852
1SS372 C813
1
R825
18K
R835
100K
TP811
C151
68/10
L102
10µH
TP812
J801
DC JACK
3
2
1
TP803
Q851
2SJ305
Q853
NDS335N
Q852
2SJ305
IC814
RN4904
POWER SELECT
CHARGE DRIVE
6
5
4
3
2
1
10K
C871
0.47
R871
1K
Q871
2SA1745
R851
100K
R454
22K
C401
10/6.3
IC871
TK71325M
POWER
SUPPLY
MICROCOMPUTER
R870
100K
D861
1SS393
C865
1
R866
100K
R865
100K
IC863
TC7SL00FU
START UP DRIVE
5
4
3
2
1
R421
1K
R422
1K
D402
1SS361
R401
330K
C403
0.047
TP415
TP416
22K
TP408
P
413
L201
4.7µHTP220
TP412
IC405
S80821LN
RESET
4
3
2
1
C856
1
R407
100K
TP202
IC202
IX2567AF
4BIT D-RAM
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L202
1µH
C202
1
R862
470K
C862
3.3
IC815
RN4986
CHARGE DRIVE
6
5
4 3
2
1
D862
HZU2BLL
Q861
2SC4738 GR
R868
1M
R869
100K
R864
100K
C864
1R863
100K
C863
0.01
IC862
TC7SL32FU
START UP DRIVE
5
4
3
2
1
IC861
TC7SL32FU
START UP DRIVE
5
4
3
2
1
R867
390K
R861
1K C861
1
D854
SB10015C L853
33µH
IC852
S8327B28
2.8V DC/DC CONVERTER
5
4
3
2
1
C857
10/10
C853
1
R852
1K
IC851
NDC631N
POWER DRIVE
6
5
4
3
2
1
D855
RB521S30
R854
100K
D857
RB491D
R403
10K
1
9
IC404
7SH86FU
REMOTE CONTROL
5
4 3
2
1
R412
150K
R409
22K
C838
0.01
C
K406
C
K405
C
K404
R846
330K
C836
0.01
R840
10K
R838
33K
C837
180P(CH)
C840
390P
C839
560P
R843
15K
IC832
IR3M09N
POWER DRIVE
C852
1
R844
270K
C841
0.33
R842
100K
C855
1
D856
F1J2F
L854
10µH
R845
240K
R839
100K
L851
10µH
L852
4.7µH
C851
3.3
D851
RB521S30
C830
1
R833
10K
C834
560P R831
33K
IC831
IR3M09N
POWER DRIVE
C831
0.01
R832
100K
C832
220P(CH)
C835
390P
R837
15K
TP206
TP205
TP204
TP203
SW451
PLAY/S.UP
6
6
R
DX
W
RX
C
S
S
D1
S
D0
S
D2
D S
G
G
S
D
D
S
G
EL+B
PLAY
DATA
KEY
DGND
AGND
R-CH
L-CH
+2.5V
+2.2V
+2.5V
+2.5V
+2.5V
VOUTR
VSSA
VOUTL
VDDA
VREFD
MUTE
DEEM
SF0
SF1
APSEL
SYSCLK
VSSD
VDDD
DATA
WS
BCK
R-CH
L-CH
I/O1
I/O2
WE
RAS
A9
A0
A1
A2
A3
VCC A4
A5
A6
A7
A8
OE
CAS
I/O3
I/O4
GND
B
LE UNIT
GND
VCC
STATE
VCC
–
–
+
++
ROSC
EAIN+
EAIN–
EAOUT
GND
OUT
PWM OSC
OSCOUT
DB
VREF
OSCIN
OSCIN VREF
DB
OSCOUT
OSC
PWM
OUT GND
EAOUT
EAIN– EAIN+
ROSC
++
+ –
–
VCC
STATE
24 23 22 21 20 19 18 17 16 15 14 13
12
11
10
9
8
7
6
5
4 3 2 1
5 4
3
2 1
12
11
10
9
8
7
6 5 4 3 2 1
12
11
10
9
8
7
6 5 4 3 2 1
6 5 4
3
2
1
8 7 6 5
4
3
2
1
5
4
3 2 1
3
2
1
SW401 HOLD
+
–
EX
BATTERY,
+
EX
BATTERY
,–
CONSTANT
CURRENT DRIVE
+
–
CHARGE
,+
CHARGE
,–
+2.5V
CN401
-2.2V
MAIN PWB-A
MD-S301MK
– 14 –
A
B
C
D
E
F
G
H
123456
Figure 14 WIRING OF P.W.BOARD (1/3)
• : Through-hole where the top, bottom and +B patterns are connected.
• : Through-hole where the top, bottom and hround patterns are connected.
• : Through-hole where the top and bottom patterns are connected.
• The numbers 1 to 17 are waveform numbers shown in page 31 of MD-S301.
IC601
IC201
IC101
IC202
R420
R419
L603 L604
L601 L602
C601
C602
C603
C604
R601
118
19
36
510 15
3035 25 20
R232
R231
C123
C124
R233
C231
R111
R112
R113
R114
C121
C122
C101
L101 112
13
24
2536
37
40
45
48 510
3035
15
20
L102
LED401
C151 C111
C109
C110 C107
C106
C112
C113R154
Q101
C161
C104
R101
C103
C102
C407
L202
C202
C204 1
5101520
70
75
76
80
85
90
95
100
65 60 55
25
26
50
51
30
35
40
45
L600
C608
C609
C611
L611C622
L609 L608
C600
C203
C408
R501
R502
R506
R505
C508
C502
C507
C503
R702
C501
C504
1
8
9
10
15
16
5
C706
D402 C741
C401
IC871
C851
L201
C201 R222
C211
C212
1
1
5
5
6
10 11
15
16
26
R825
IC833
C841
Q801 Q871
C871
R871
D813
L821
L822
L823 C827
C824
D822
L824
L854
L721
L711
L852 L851
C822
C722
C721
D857
C856
C855
D856
C858
L501
C857
C853
IC852
Q861
13
45
Q853
R868
R869
D854
D862
L853 R870
L702
L701
C732
C731
J701
R806
IC802
C801
R802
R803 R801
D803
D802
R804
R805 1
13
34
46
6
IC801
J801
XL201
IC501
J701
REMOTE CONTROL/
HEADPHONES
J801
DC JACK
1
8
9
MAIN PWB-A(BOTTOM VIEW)
C813
4
3
17
MD-S301MK
– 15 –
78 9 10 11 12
Figure 15 WIRING OF P.W.BOARD (2/3)
IC401
R430
R434
1
45
8
R435
R433
R431
R102
R414
R403 R407
R916
IC913
Q903
R413
Q902
Q901
R911
IC911
R913
R912
1
3
4
6
1
3
4
6
1
3
4
6
IC912
R915 R914
C903
R903
R908
R907
R905
R906
Q904
Q905
Q906
R405
R418
C406
IC403
R411
R204
R417
R416
R423
1
25
26
30354045
50
51
55
60
65
70
75
76 100
80 85 90 95
5
10
15
20
C165
R161
IC404
R409
C823
C812
R818
R817
C821
R822
R821
R844
C831
R832
R835
R823 C836
C828 R839
R842
R847
C842
R845
R408
R412
C815
R838
R840
C837
C816
R824
R831
R833
C830 C826
C403
1
45
8
IC405
R865
R424
R866
R402
C859
1
5
10
12 13
24
15
20
C701
R707
C707
R708
C702
C405
C742
R415
R401
R422
R862
1
3
1
3
4
4
4
5
5
4
5
1
3
4
5
1
2
4
3
R864
C864
R452
R455
R451
R454
R860
R867
R861
R863
C863
IC862
IC861
IC863
IC815
C852
C409
R909
C902
C909
C910
C908
R701
C705
C704C703
R709
R710
C713
C714
R711
R712
C711
C712
R714
L751
R852
C861
C862
D861
C838
D855
R843
C839
R851
R732
R731 R722
C715
C716
D702
IC851
D821
R836
D451
L710
L734
L733
Q851
L871
C846
C845
IC821
D841
D812
C833
R837C835
C834
1
1
1
4
8
5113
3
66
6
77
12 12
C840
D831
Q852
C865
D852
R854
C751
L736
R421
R713
D811
1
45
6
IC814
R813
Q812
1
1
3
31
3
4
4
6
646
Q811
R812
C811
R819
R814
D851
D814
R811
R846
C832
SW401
CN401
CN601
CN101
IC702
IC402
IC901
IC831 IC832
IC812
IC811
C911
C905
C906
C907
R904
R902
R901
1
10
11
15
20
5
KEY SWITCH
FLEXIBLE UNIT
BATTERY,–
(206)
PICKUP
FLEXIBLE PWB MECHANISM
FLEXIBLE PWB
SW401
HOLD MAIN PWB-A(TOP VIEW)
BATTERY,+
(207)
EXT.BATTERY
(220)
23
4
5
7
6
12
13
14
15
11
10
16
TP433
TP102
TP103
TP100
TP101
TP144
TP105
TP120
TP118
TP117 TP121
TP122
TP119
TP811
TP115
TP113 TP116
TP114
TP111
TP109
TP436
TP602
TP610
TP612
TP613
TP603
TP408
TP871
TP609
TP607
TP615
TP606
TP608
TP617
TP611
TP139
TP604
TP201
TP410 TP614
TP616
TP110
TP418
TP605
TP601
TP417 TP133
TP131 TP202
TP435
TP132
TP434
TP130
TP414
TP108
TP413
TP205
TP206
TP203
TP419
TP415
TP409
TP416 TP805
TP411
TP204
TP219
TP404
TP209
TP210
TP208
TP220 TP218
TP501
TP702
TP422
TP701
TP402
TP872
TP802
TP421
TP106
TP403
TP406
TP401
TP405
TP812
TP725
TP112
TP412
TP801
TP724
TP803
TP728
TP727
TP804
TP145
TP722
TP721
TP806
TP726
TP723
113
CK108
122
P16 5 - C
P16 5 - H
P16 3 - E
MD-S301MK
– 16 –
A
B
C
D
E
F
G
H
123456
Figure 16 WIRING OF P.W.BOARD (3/3)
M901
SPINDLE MOTOR
MECHANISM
FLEXIBLE PWB M902
SLED MOTOR
SW901
DISC IN
PICKUP UNIT (15)
CN101
TO MAIN PWB
CN601
P15 10 - G
TO MAIN PWB
CN401
P15 10 - A
TO MAIN PWB
REW
PLAY/FF
SW455
SW454
SW452
SW451
SW453
:OFF
STOP
KEY SWITCH
FLEXBLE UNIT(221-9)
P15 8 - G
VOLUME
UP
VOLUME
DOWN
FLEXIBLE
PWB
MD-S301MK
– 17 –
0V
1V
2.5V
0V
4.78V
0V
0V
0V
4.78V
4.71V
0V
0V
0V
4.71V
0V
0V
0V
0V
0V
0V
0V
0V
4.73V
0V
0V
0V
0V
4.69V
4.69V
2.8V
0V
4.7V
0V
0V
2.54V
9.8V
0V
1V
0V
2.54V
0V
0.99V
2.54V
2.54V
2.54V
0V
0V
1.26V
2.54V
1.25V
0V
1.25V
1.2V
1.26V
1.19V
0V
1.19V
1.25V
1.25V
2.52V
0V
2.51V
0V
2.2V
2.52V
0.71V
0.71V
0.71V
0.71V
1.27V
1.27V
0.71V
1.27V
1.28V
1.28V
1.27V
1.27V
2.53V
2.53V
0V
2.53V
2.53V
0V
0V
1.48V
2.51V
0V
0V
2.53V
1.27V
1.27V
1.28V
1.28V
1.27V
1.39V
1.27V
1.27V
1.28V
0V
1.27V
0V
0V
1.27V
1.27V
1.28V
1.27V
2.53V
0V
0V
1.27V
0V
1.27V
0V
0V
0V
2.41V
0V
1.13V
1.4V
0.58V
0.6V
0.6V
2.54V
0.62V
0.8V
0.8V
0.8V
0.8V
1.82V
1.96V
1.3V
1.7V
0V
0.94V
2.53V
1.28V
0V
1.27V
1.27V
1.27V
1.27V
1.27V
2.22V
1.38V
2.03V
0V
0V
0V
0V
1V
0V
0V
0V
0V
0V
0V
0V
0V
0.5V
0.6V
0.58V
1.4V
0.92V
2.54V
0.6V
0.99V
0.99V
0.81V
0.8V
1.82V
0V
2.07V
1.62V
1.67V
0.92V
1.74V
2.53V
1.7V
1.52V
0V
1.94V
1V
0.92V
1.01V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.03V
0V
0.9V
0.8V
0V
0V
2.02V
0V
1V
1V
1V
0V
0V
1V
1V
1V
2.02V
0V
2.02V
1V
2.02V
0V
0V
1V
2.02V
2.02V
0V
2.5V
0V
0V
0V
0V
0V
0V
0V
0V
2.51V
2.5V
0V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC101
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
37
36
35
34
33
32
31
50
49
48
47
46
45
44
43
42
41
PIN
NO. VOLTAGE
IC201
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
68
67
66
65
69
80
79
78
77
76
75
74
73
72
71
70
90
89
88
87
86
85
84
83
82
81
100
99
98
97
96
95
94
93
92
91
2.52V
0V
2.51V
0V
2.51V
0V
2.51V
0V
2.52V
1.383V
1.252V
0V
1.481V
1.19V
2.44V
2.02V
0V
2.02V
2.51V
0V
2.52V
0V
2.52V
2.52V
0V
1.69V
0.68V
2.28V
2.51V
2.28V
1.48V
2.51V
0V
0V
0V
2.52V
2.51V
2.51V
0V
2.51V
0.27V
2.25V
2.49V
2.51V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.51V
2.51V
0V
0V
0V
0V
2.51V
0V
0V
2.51V
2.4V
2.51V
0V
0V
0V
0V
0V
0V
2.46V
0V
2.49V
0V
0V
0V
0V
2.52V
2.52V
1.26V
2.51V
0V
2.52V
0V
0V
1.26V
1.77V
0V
2.51V
2.52V
0V
0V
1.25V
2.51V
0.43V
0V
0.31V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
37
36
35
34
33
32
31
50
49
48
47
46
45
44
43
42
41
PIN
NO. VOLTAGE
IC401
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
68
67
66
65
69
80
79
78
77
76
75
74
73
72
71
70
90
89
88
87
86
85
84
83
82
81
100
99
98
97
96
95
94
93
92
91
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC202
5
4
3
2
1
PIN
NO. VOLTAGE
IC404
0V
0V
0V
0V
0V
2.52V
0V
2.52V
5
4
3
2
1
PIN
NO. VOLTAGE
IC402
8
7
6
8
7
6
5
4
3
2
1
4.75V
4.75V
4.74V
0V
0.69V
4.77V
4.74V
0.7V
5
4
3
2
1
PIN
NO. VOLTAGE
IC811
8
7
6
4.82V
0V
4.83V
0V
4.86V
4.83V
4.84V
4.75V
5
4
3
2
1
PIN
NO. VOLTAGE
IC812
8
7
6
7.6V
7.5V
7.5V
0V
0V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC814
6
0V
0V
0V
0.7V
0.7V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC815
6
4.7V
4.7V
0V
0V
4.7V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC821
6
4.7V
4.7V
0V
0V
4.7V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC851
6
9.74V
9.67V
9.67V
0V
0V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC911
6
9.74V
9.67V
9.67V
0V
0V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC912
6
9.74V
9.67V
9.67V
0V
0V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC913
6
0.66V
4.65V
0V
0V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC852
0V
0V
0V
2.51V
4.69V
5
4
3
2
1
PIN
NO. VOLTAGE
IC871
0V
1.32V
0V
0.73V
0.73V
5
4
3
2
1
PIN
NO. VOLTAGE
IC861
0.74V
0V
0V
0.74V
0.74V
5
4
3
2
1
PIN
NO. VOLTAGE
IC862
2.46V
2.26V
0V
2.44V
2.48V
5
4
3
2
1
PIN
NO. VOLTAGE
IC863
1.26V
0.94V
1.32V
1.29V
1.16V
0V
0.24V
4.98V
0V
0.4V
1V
1V
5
4
3
2
1
PIN
NO. VOLTAGE
IC831
8
7
6
9
12
11
10
120V
0.94V
1.32V
1.29V
1.16V
0V
0.21V
4.78V
0V
0.4V
1V
1V
5
4
3
2
1
PIN
NO. VOLTAGE
IC832
6
10
9
8
7
11
12
PIN
NO. VOLTAGE
IC403
9
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC501
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
32
31
30
29
28
27
36
35
34
33
26
25
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC601
0V
0V
0V
0V
0V
0V
0V
0.94V
0V
0V
0V
0V
2.51V
0V
0V
0V
–2.26V
0V
0V
2.03V
0.77V
0V
0V
0V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC701
0V
0V
0V
0V
0V
0V
0.6~1V
2.47V
1.89,2.16V
0V
2.51V
0.69V
0V
2.5V
0V
2.52V
0V
0V
0V
0V
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC901
VOLTAGE
MD-S301MK
– 18 –
NOTES ON SCHEMATIC DIAGRAM
• Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
• Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means micro-micro-farad and the unit of the
capacitor without such a symbol is microfarad. As to electro-
lytic capacitor, the expression “capacitance/withstand volt-
age” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
• The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
• Parts marked with “ ” ( ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
• The wiring diagram and the PWB drawing may be changed
to refect improvements in the design without prior notice.
They may differ a little the unit you have.
Figure 18 TYPES OF TRANSISTOR AND LED
POSITION
REF. NO DESCRIPTION
SW401 HOLD OFF—ON
SW451 PLAY/FF OFF—ON
SW452 REW OFF—ON
SW453 STOP OFF—ON
SW454 VOLUME DOWN OFF—ON
SW455 VOLUME UP OFF—ON
SW901 DISC IN OFF—ON
CL200HRC 1SS372
015Z5.1Y
RB521S30
HZU2BLL
2SD19502SA17457
2SA1745
2SC4738 GR
2SJ305
DTC144 EE
NDS355 AN
NDS335 N
TOP
VIEW
TOP VIEW
TOP VIEW
RB491D
SB10015C
TOP VIEW
TOP VIEW
TOP VIEW
FRONT
VIEW
B
(G)
(3)
E
(S)
1
C
(D)
(2)
1SS361
1SS393
TOP VIEW
F1J2F BEC
MD-S301MK
– 19 –
PARTS GUIDE
NOTE:
Parts marked with “ ” are important for maintaining the safety of the set.
Be sure to replace parts with specified ones for maintaining the safety and performance of the set.
“HOW TO ORDER REPLACEMENT PARTS”
To have your order filled promptly and correctly, please furnish the
following information.
1. MODEL NUMBER 2. REF. No.
3. PART NO. 4. DESCRIPTION
MARK: SPARE PARTS-DELIVERY SECTION
Explanation of capacitors/resistors parts codes
For U.S.A. only
Contact your nearest SHARP Parts Distributor to order.
For location of SHARP Parts Distributor,
Please call Toll-Free;
1-800-BE-SHARP
Capacitors
VCC ....................... Ceramic type
VCK........................ Ceramic type
VCT........................ Semiconductor type
VC • • MF ............... Cylindrical type (without lead wire)
VC • • MN............... Cylindrical type (without lead wire)
VC • • TV................ Square type (without lead wire)
VC • • TQ ............... Square type (without lead wire)
VC • • CY ............... Square type (without lead wire)
VC • • CZ ............... Square type (without lead wire)
VC • • • • • • • • • J .. The 13th character represents capacity difference.
("J" ±5%, "K" ±10%, "M" ±20%, "N" ±30%,
"C" ±0.25 pF, "D" ±0.5 pF, "Z" +80-20%.)
If there are no indications for the electrolytic capacitors, error is ±20%.
Resistors
VRD ....................... Carbon-film type
VRS........................ Carbon-film type
VRN ....................... Metal-film type
VR • • MF ............... Cylindrical type (without lead wire)
VR • • MN............... Cylindrical type (without lead wire)
VR • • TV................ Square type (without lead wire)
VR • • TQ ............... Square type (without lead wire)
VR • • CY ............... Square type (without lead wire)
VR • • CZ ............... Square type (without lead wire)
VR • • • • • • • • • J .. The 13th character represents error.
("J" ±5%, "F" ±1%, "D" ±0.5%.)
If there are no indications for other parts, the resistors are ±5%
carbon-film type.
MD-S301MK
MODEL
PRICE
RANK
DESCRIPTION
NO. PART CODE NO. PARTS CODE
PRICE
RANK
DESCRIPTION
MD-S301MK
– 1 –
INTEGRATED CIRCUITS
IC101 VHIIR3R55//-1 J AQ RF Signal,Processor,IR3R55
IC201 VHILR376481-1 J BD ENDEC,LR376481
IC202 RH-IX2567AFZZ J BA 4Mbit D-RAM,IX2567AF
IC401 RH-IX2677AF03 J AX System Microcomputer,
IX2677AF
IC402 VHIS29L294A-1 J AH EE-PROM,S29L294A
IC403 VHITC7W14FU-1 J AF Inverter,TC7W14FU
IC404 VHI7SH86FU/-1 J AE Remote Control Driver,7SH86FU
IC405 VHIS80821LN-1 J AE Reset,S80821LN
IC501 VHIUDA1320/-1 J AM D/A Converter,UDA1320
IC601 VHIMPC17A39-1 J AQ Pickup Coil Driver,MPC17A39
IC702 VHIIR3R54N/-1 J AQ Audio Amp.,IR3R54N
IC801 VHIHN1C03FU-1 J AD Constant Current Drive,
HN1C03FU
IC802 VHIUMD3N///-1 J AC Constant Current Drive,UMD3N
IC811 VHINDH831N/-1 J AH Constant Current Drive,
NDH831N
IC812 VHIHAT1025R-1 J AK Constant Current Drive,
HAT1025R
IC814 VHIRN4904//-1 J AD Power Select Charge Drive,
RN4904
IC815 VHIRN4986//-1 J AD Charge Drive,RN4986
IC821 VHINDC631N/-1 J AG Power Drive,NDC631N
IC831,832 VHIIR3M09N/-1 J AL Power Drive,IR3M09N
IC833 VHITC7S66FU-1 J AD Analog Switch,TC7S66FU
IC851 VHINDC631N/-1 J AG Power Drive,NDC631N
IC852 VHIS8327B28-1 J AG 2.8V DC/DC Converter,
S8327B28
IC861,862 VHI7SL32FU/-1 J AE Start Up Drive,TC7SL32FU
IC863 VHI7SL00FU/-1 J AE Start Up Drive,TC7SL00FU
IC871 VHITK71325M-1 J AE Power Supply Microcomputer,
TK71325M
IC901 VHIBA6965FV-1 J AN 3-Phase Brush Leess Driver,
BA6965FV
IC911~913 VHIRN4904//-1 J AD Power Select Charge Drive,
RN4904
TRANSISTORS
Q101 VS2SA17457/-1 J AB Silicon,PNP,2SA17457
Q801 VS2SD1950//-1 J AD Silicon,NPN,2SD1950
Q811,812 VSDTC144EE/-1 J AB Digital,NPN,DTC144 EE
Q851,852 VS2SJ305///-1 J AF FET,2SJ305
Q853 VHINDS335N/-1 J AF N Channel,Power Drive,
NDS335N
Q861 VS2SC4738GR-1 J AC Silicon,NPN,2SC4738 GR
Q871 VS2SA1745//-1 J AC Silicon,PNP,2SA1745
Q901~903 VHINDS355AN-1 J AE N Channel,FET,NDS355AN
Q904~906 VHINDS335N/-1 J AF N Channel,Power Drive,
NDS335N
DIODES
D402 VHD1SS361//-1 J AB Silicon,1SS361
D451 VHE015Z5R1Y-1 J AD Zener,5.1V,015Z5.1Y
D702 VHE015Z5R1Y-1 J AD Zener,5.1V,015Z5.1Y
D802 VHE015Z5R1Y-1 J AD Zener,5.1V,015Z5.1Y
D803 VHDRB521S30-1 J AC Silicon,RB521S30
D811~813 VHDSB10015C-1 J AD Silicon,SB10015C
D814 VHDRB521S30-1 J AC Silicon,RB521S30
D821 VHDRB521S30-1 J AC Silicon,RB521S30
D822 VHDF1J2F///-1 J AE Silicon,F1J2F
D831 VHDRB521S30-1 J AC Silicon,RB521S30
D841 VHD1SS372//-1 J AD Silicon,1SS372
D851 VHDRB521S30-1 J AC Silicon,RB521S30
D852 VHD1SS372//-1 J AD Silicon,1SS372
D854 VHDSB10015C-1 J AD Silicon,SB10015C
D855 VHDRB521S30-1 J AC Silicon,RB521S30
D856 VHDF1J2F///-1 J AE Silicon,F1J2F
D857 VHDRB491D//-1 J AD Silicon,RB491D
D861 VHD1SS393//-1 J AC Silicon,1SS393
D862 VHEHZU2BLL/-1 J AD Zener,HZU2BLL
LED401 VHPCL200HRC-1 J AD LED,Red,CL200HRC
PH901(8-3) VHPGP1S93K/-1 J AF Phote Interrupter,GP1S93K
COILS
L101 VPBNN100M0000 J AC 10 µH
L102 RCILC0333AFZZ J AC 10 µH,Choke
L201 VPBNN4R7M0000 J AC 4.7 µH
L202 VPBNN1R0M0000 J AC 1 µH
L501 RCILC0333AFZZ J AC 10 µH,Choke
L600 RCILC0331AFZZ J AC 2.2 µH,Choke
L601~604 RCILR0559AFZZ J AC 47 µH
L608 RCILR0559AFZZ J AC 47 µH
L609 RCILC0333AFZZ J AC 10 µH,Choke
L611 VPBNN1R0M0000 J AC 1 µH
L701,702 RCILC0344AFZZ J AC Choke
L710 RCILC0290AFZZ J AC Tip Solid Induction,200mA
L711 RCILC0246AFZZ J AC 100 µH,Choke
L721 RCILC0246AFZZ J AC 100 µH,Choke
L731,732 RCILC0353AFZZ J AB Tip Solid Induction,100mA
L733 RCILC0352AFZZ J AB Tip Impeder,150mA
L734 RCILC0290AFZZ J AC Tip Solid Induction,200mA
L736 RCILC0290AFZZ J AC Tip Solid Induction,200mA
L751 VPBNN4R7M0000 J AC 4.7 µH
L821 RCILC0330AFZZ J AC 1 µH,Choke
L822,823 RCILC0332AFZZ J AC 4.7 µH,Choke
L824 RCILC0333AFZZ J AC 10 µH,Choke
L851 RCILC0333AFZZ J AC 10 µH,Choke
L852 RCILC0332AFZZ J AC 4.7 µH,Choke
L853 RCILC0348AFZZ J AE 33 µH,Choke
L854 RCILC0333AFZZ J AC 10 µH,Choke
L871 VRS-TV2AB4R7J J AA 4.7 ohms,1/10W
VIBRATOR
XL201 RCRSC0021AFZZ J AG Crystal,33.8688 MHz
CAPACITORS
C101 VCSAFA0JJ106M J AD 10 µF,6.3V,Electrolytic,Tantalum
C102,103 RC-KZ1193AFZZ J AC 1 µF,6.3V
C104 VCKYTV1EB273K J AB 0.027 µF,25V
C106 RC-KZ1204AFZZ J AB 0.22 µF,10V
C107 VCKYCY1EB123K J AA 0.012 µF,25V
C109 RC-KZ1181AFZZ J AE 4.7 µF,10V
C110 RC-KZ1204AFZZ J AB 0.22 µF,10V
C111 VCKYCY1HB332K J AA 0.0033 µF,50V
C112 VCKYCY1CB333K J AA 0.033 µF,16V
C113 VCKYCY1CB104K J AB 0.1 µF,16V
C121,122 VCCCCY1HH271J J AA 270 pF (CH),50V
C123,124 VCCSCY1HL391J J AA 390 pF,50V
C151 VCSAPM1AJ686M J AH 68 µF,10V,Electrolytic,Tantalume
C161 RC-KZ1193AFZZ J AC 1 µF,6.3V
C165 VCKYCY1CB333K J AA 0.033 µF,16V
C201 RC-KZ1171AFZZ J AC 1 µF,16V
C202 VCKYTV1CF105Z J AB 1 µF,16V
C203,204 VCKYCY1CB104K J AB 0.1 µF,16V
C211,212 VCCCCY1HH5R0C J AA 5 pF (CH),50V
C222 VCCCCY1HH220J J AA 22 pF (CH),50V
C231 VCKYCY1CB104K J AB 0.1 µF,16V
C401 VCSAFA0JJ106M J AD 10 µF,6.3V,Electrolytic,Tantalum
C403 VCKYCY1CB473K J AA 0.047 µF,16V
C405 VCCCCY1HH151J J AA 150 pF (CH),50V
C406 VCKYCY1HB681K J AA 680 pF,50V
C407,408 VCKYTV1CF105Z J AB 1 µF,16V
C409 VCCCCY1HH100D J AA 10 pF (CH),50V
C501~504 VCSAFA0JJ106M J AD 10 µF,6.3V,Electrolytic,Tantalum
C507,508 RC-KZ1185AFZZ J AD 2.2 µF,10V
C600 VCSAFB1AJ156M J AE 15 µF,10V,Electrolytic,Tantalum
C601~604 RC-KZ1193AFZZ J AC 1 µF,6.3V
C608 RC-KZ1171AFZZ J AC 1 µF,16V
C609 RC-KZ1181AFZZ J AE 4.7 µF,10V
C611 RC-KZ1183AFZZ J AC 1 µF,10V
C622 VCKYTV1CB104K J AA 0.1 µF,16V
C701,702 VCKYTV1CF105Z J AB 1 µF,16V
C703,704 RC-KZ1193AFZZ J AC 1 µF,6.3V
C705 VCKYCY1EB103K J AA 0.01 µF,25V
C706 VCSAFA0JJ335M J AD 3.3 µF,6.3V,Electrolytic,Tantalum
C707 VCKYCY1CB563K J AB 0.056 µF,16V
C711,712 VCKYCY1HB222K J AA 0.0022 µF,50V
C713,714 RC-KZ1204AFZZ J AB 0.22 µF,10V
C715,716 VCKYCY1CB823K J AB 0.082 µF,16V
C721,722 VCSAFE0GJ476M J AE 47 µF, 4.0V,Electrolytic,
Tantalume
C731,732 VCSAFE0GJ476M J AE 47 µF, 4.0V,Electrolytic,
Tantalume
C741 VCKYCY1EB103K J AA 0.01 µF,25V
C742 VCKYCY1HB102K J AA 1000 pF,50V
C751 VCKYCY1CB104K J AB 0.1 µF,16V
C801 RC-KZ1183AFZZ J AC 1 µF,10V
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