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H-MS1107

Hyundai H-MS1107 User manual

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Service Manual
H-MS1107
rev. 1.01
Include:
2006-09-29
HYUNDAI Electronics Service Support Team RUS
Page 1
SERVICE MANUAL
DVD PLAYER
(For Sunplus)
Page 2
Contents
Front cover ..............................................................................01-01
Contents.................................................................................. 02-02
Block diagrams for the DVD player ...................................... 03-08
Major functions of the IC of the DVD player........................ 15-15
Maintenance procedures for the DVD player ........................ 16-23
Page 3
Block diagram for the operating principle of the DVD decoding board
+3.3V, +5V and ±12V stabilized power
supplies provided by the power board
Interface of the laser
head
RF preamplification
circuit
Digital servo processor
Control decoding single-chip
microcomputer
SPHE8200A control.
Feeding motor
Focusing coil
Trace searching
coil
Principal axis
motor
Disc tray ingress and
egress controller
Q12,Q13,Q24,Q25
Audio output CS4360
Disc tray motor
drive
Focusing, trace searching and feeding servo
drivers
CD5954
VF digital-analog converter
N/P system encoder
Audio D/A converter
Video output
Page 4
Block diagram for the power supply part of the DVD player
Faceplate power
supply

12V
-
12V

5
V

3.3
V
~220V
Switch transformer
Switch tube control.
Filter by the filter capacitor after
diode rectification.
Power switch control
Switch tube 5L0380
Page 5
Block diagram for the faceplate part of the DVD player
Signals DATA, STB and
BCK of decoding board
output
.
VFD display drive
Matrix circuit button
VFD screen
Faceplate
b
utton
AC 3.3V, +5V, -21V from power
board
Page 6
Block diagram for the karaoke part of the DVD player
Microphone input
Preamplifier 4558
AF amplifier
VOLUME
CONTROL OF THE
MICROPHONE
Two-channel output
AF signal
Page 7
Diagram of the servo mechanism of the DVD player
Principal axis motor
Laser beam
Optical detector
Object
lens
Focusing
ad
j
ustmen
t
Tracking
control
Laser tube
Gliding mechanism of the light head
Focusing servo: makes the
focus match the information
side of a CD
Tracking servo: makes the light
beam track the sound track.
Feeding servo: moves the
whole light head mechanism.
APC: controls the constant
laser output.
Principle axis servo: Keeps CD in
CLV revolution.
Compact Disc
Page 8
Major functions of the IC feet
ED86 interface figure
Page 9
1. SPHE6300A function: RF single preamplifier.
2. SPHE8200A function: digital signal processor; central processing; MPEG
decoding, VF coder.
3. 5954 function: drive chip.
4. CS4360; audio D/A converter;
5. KM16x256K function: random dynamic processor.
6. 29F040A function: flash memory (FLASH).
Other ICs:
7. 16312 function: IC faceplate function control.
8. 4558 function: operation amplifier.
Page 10
Maintenance procedure for the power supply part is as follows:
Measure if there is any voltage a
t
the power supply input rectificatio
n
unit.
Check if the switch tube is
defective or not.
The rectifying diodes are broken.
Replace them.
Replace the switch tube of the
power supply.
Measure the output voltage of the
switch transformer to find out if it
is normal or not
.
Check the power board part.
The transformer is broken.
YES
O
YES
YES
YES
O
YES
O
O
O
YES
O
N
o reaction when the machine is
turned on, then check if the
external voltage complies wit
h
the requirements.
Check the voltage of the powe
r
supply.
Open the casing to check if the
safety fuse is all right.
Replace it with a new safety fuse o
f
the same model (note: the power plug
must be disconnected.).
Check if the power supply switc
h
is all right.
Replace the power supply switch.
YES
Page 11
Check if the big filtering capacito
r
is normal or not.
Whether the power board is OK.
Replace it with a capacitor of the
s
ame model.
YES
O
YES
YES
YES
O
O
O
Check if the output standard voltage
of the switch transformer is normal
or not.
Maintain using the maintenance
method adopted for the powe
r
supply card.

Insert the power terminal i
n
place.
Check if the rectifying diodes
are normal or not.
Replace the diodes of the same
model as the broken diodes.
Check if the output plug board o
f
the power supply has been inserte
d
properly or not.
Page 12
Maintenance procedure for the AF part:
Check if the IC is good or not.
Replace it with an IC of the same
model. Check if the feedbac
k
resistor and capacitor are good o
r
not.
YES
YES
YES
YES
O
O
O

Set again according to the disc.
Use an oscilloscope to test if the
AF waveform at the output end
is normal or not (see the attached
figure 1).
Check if there is any voltage a
t
the power supply feet of the
power amplifier IC. If no voltage
is found, then check the voltage
part.
Adjust the sound volume to
a
moderate position and then ope
n
the menu AF output to check if i
t
is correctly set or not.
U
se the oscilloscope to test if the
A
F signal at the O/A output end is
n
ormal or not.
YES
Check if the waveforms of the
five data LRCK, DATA1,
DATA2, DATA3 and BCK of the
decoding IC are normal or not.
(See the attached figure 2, 3 an
d
4.)
The AF D/A converting IC is
b
roken, and replace it with an IC o
f
the same model.
O
YES
O
Insert a corresponding AF signal
line and then use a testing disc to
test the sound.
Use the oscilloscope to test if the
p
layed AF signal waveforms a
t
the input and output ends of the
p
ower am
p
lifier are normal o
r
The played AF part is good. The
problem is in the
p
receding
stage, that is, the decoding
board.
Use the testing disc to read an
d
release sound, and then use a
n
oscilloscope to test if the AF
signal is normal or not.
Page 13
Maintenance procedure for the VF part is as follows:
NO
Check if there is any cracking o
r
short-circuit.
YES
Check if there is any cracking o
r
short-circuit in the VF output circuit.
O
O
O
O
YES
YES
YES
YES
Check the power supply of the
decoding board. There are two
voltages: one +5V voltage fo
r
decoding; another +3.3V voltage fo
r
servo.
Directly use the VF line to touch the
decoding board to check if the VF
AV3168 output is normal or not.
Check if the voltage of the
p
ower board is
normal or not. If there is no voltage, the
n
check the power supply part.
Check if the 27MHz crystal oscillato
r
on the decoding board is oscillating
(see the attached figure 6).
Replace it with a crystal oscillator of the
same model or a 27P ceramic capacitor.
Replace it with an Sphe8200a of the
same model.
Replace it with an SDRAM or FLASH o
f
the same model.
Check if there is any image outpu
t
or not.
Directly use the VF line to touch the
front end of the VF output seat of the
p
ower board to check if it is normal
or not (see the attached figure 5).
O
YES
Check if the Sphe8200a is working
normally or not.
Check if the SDRAM or FLASH is
working normally or not (i
n
comparison with a normal machine).
Page 14
Maintenance procedure for the servo part of the decoding board is as follows:
The CD is not displayed.
Check if the focusing action of the
laser head is normal or not afte
r
the machine is turned on.
Check the +5V power supply fo
r
s
ervo is normal or not.
YES
Replace it with a laser head of the
same model.
Replace it with an IC of the same
model.
O
O
O
O
YES
YES
Check if the contact of the 24
P
light head terminal is normal o
r
not.
Replace it with a terminal of the
same kind.
YES
Open the machine casing to chec
k
if there is any fog on the laser head.
Check if the CD is displayed afte
r
the machine is powered for 1 hour.
O
YES
Check if the laser head is normal
or not.
Check the SPHE6300A for the
servo IC on the decoding board.
Page 15
Maintenance procedure for the front control panel is as follows:
Check if the three data lines DATA, BC
K
and STB on the decoding board are working
normally or not. Replace them if they are not.
YES
O
Replace the VFD display screen.
Check if there is any voltage output a
t
the power supply feet. Replace the
16312 if a fault is found.
O
YES
YES
Replace the buttons.
Test if the three data lines DATA, BC
K
and STB are working normally or not an
d
if the power supply voltage is normal o
r
not.
Check if the 16312 VFD supply voltage
of the drive IC on the control panel is
normal or not.
Page 16
Maintenance procedure for the karaoke part is as follows:
No sound from the microphone
Turn the volume knob according to
the explanation.
Check the MIC port is in good
contact or not.
YES
Check if the shielded line betwee
n
the MIC seat and the volume
potentiometer is normal or not.
Check the shielded line between the
volume potentiometer and the
operational amplifier IC is normal o
r
not.
Check if the operational amplificatio
n
circuit and the reverberation IC are
working normally or not.
Replace the MIC seat.
Replace the shielded line.
Replace with a potentiometer of the
same model.
Replace the shielded line.
O
O
O
O
O
YES
YES
YES
Check if the MIC volume
potentiometer is normal or not.
YES
YES
Replace them with ICs o
r
electronic components of the same
model.
Check if the volume knob is turned
off or not.
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Servo MOTOR +5V
Servo analog +5V
PLL+3.3V
8202
kernel
+1.8V
Video
PLL
+1.8V
close to 8202
Debug Port
(PLL bypass)
Internal AD +3.3V
Video DAC +3.3V
3 mA
Audio PLL +3.3V
260mA
Video buffer +5V
RF +3.3V
Flash +3.3V
SDRAM +3.3V
34ma~58ma(64Mx1)
System +5V
Flash +1.8V
8202S-16-SY-216-0-D
1.02
Power & Connnector
C
16Monday, January 02, 2006
SUNPLUS TECHNOLOGY
Title
Size Document Number Rev
Date: Sheet
of
OPTI_O
V_H_SYNC
V_V_SYNC
ASR
ASW
AFL
ASL
AFR
AC_CCOAX
B/U_O
AFR
AFL
R/V_O
G/Y_O
SIG_MODE5
DIS_MODE5
R/V_O5
G/Y_O5
B/U_O5
V_H_SYNC 2
V_V_SYNC 2
V_H_SYNC2
V_V_SYNC2
MS_CLK 2
MS_D3 2
MS_D2 2
MS_D1 2
CARD_SENSE2 2
AFR6
AFL6
COAX6
G/Y_O5
R/V_O5
B/U_O5
AFL6
AFR6
CARD_WP 2
MS_BS 2
MS_D0 2
CARD_SENSE1 2
CARD_RST 2
GAME_CLK 2
GAME_LATCH 2
GAME_D1 2
GAME_D0 2
Y_O 5
Cr_O5
CVB1_O5 OPTI_O 6
CVB1_O5
VFD_DATA 2
IR_IN 2
VFD_STB 2
VFD_CLK 2
ASL6
AFR6
AFL6
ASW6
AC_C6
ASR6
USB_DM 2
USB_DP 2
MIC_L 2
MIC_R 2
RFGND
A+5V
MGND
PLL3.3V
GND
GND
P+5V
M+5V
GND
VPLLVCC1.8
VGND
GND
V+5V
GND
GND
DVCC3
GND
GND
GND
GND
GND
GND
P+5V RFGND
USB_PLL3.3
VVCC3
APLLVCC3
SD_VCC3
ROM_VCC3
VCC1.8
VGND
VGND
DVCC
GND
GND
GND
VGND
GND
OPTI_VDD
VGND
GND
P+12V
GND
P-12V
USB+5V
P+5V
GND
GND
P+5V
P+5V
DVCC3
VGND
VGND
DVCC
VGND
P+12V AVCC12
AGNDGND
P-12V AVCC-12
AGNDGND
AGND
GND AGND
GND AD_GND
VCC3A
AD_GND
MGND RFGND
AGND
GND
DVCC3
GND
MGND
GND
DVCC
VGND
+5AVAA
RF3.3V
RFGND
RFGND
GND
VGND
GND
GND GND
USB+5V
GND
GND
GND
P+12V
AD_GND
VGND
GND
ROM_VCC1.8
GND
C72
NC
BC5
0.1UF
+
EC13
100UF16V
C61
33PF
CN1
POWER
1
2
3
4
5
6
R69 33
BC16
0.1UF
L28FB
L34 FB
R114
15K
R119 22
R37 220
R59
4.7K
CN7
SCART
1
2
3
4
5
6
7
8
9
10
11
12
13
L2 FB
CN11
Card board power
1
2
L20 FB
R36
470
AV1
OPTI OUT
5
4
6
7 8
23
1
GND
VCC
OUT
NC NC
NCNC
NC
L31 FB
R34
470
TP18
L8 FB
+
EC14
100UF16V
R35 750
+
EC24
100UF16V
C63
33PF
R67
4.7K
R113 22
TP16
BC29
0.1UF
R48
220
L14 FB
L24 FB
AV2
comp/S-video
12
3
4
5
67
8 9
10
12
3
4
5
67
89
10
L23 FB
+
EC17
100UF16V
+
EC5
100UF16V
EC4
470UF16V
+
EC43
220UF16V
L25 FB
+
EC29
100UF16V
D1
1N4004
R56
220
R2 2.2
AV4
AV-JACK-1
1
3
2
6
5
4
9
8
7
1
3
2
6
5
4
9
8
7
TP23
BC8
0.1UF
BC12
0.1UF
BC64
0.1UF
L26 FB
CN10
HEADER4-2.54
1
2
3
4
BC65
0.1UF
BC39
0.1UF
EC2
220UF16V
+
EC10
220UF16V
C55
33PF
R46
4.7K
C69
NC
TP15
L22 FB
L27 FB
C49
33PF
U3 AMS 1085 TO-252
1
3 2
ADJ
IN OUT
L3 FB
L30 FB
CN6
UART debug
1
2
3
4
+
EC15
100UF16V
L33 FB
BC20
0.1UF
EC47
220UF16V
BC41
0.1UF
R82 2.2
Q12
2N3906
R51
4.7K
L7 NC
CN9
IR/VFD
1
2
3
4
5
6
BC13
330PF
+
EC3
100UF16V
+
EC16
100UF16V
L1 FB
L19 FB
L21 FB
BC36
100PF
L29 FB
CN5
GAME
1
2
3
4
5
6
AV3
AV-JACK-1
1
3
2
6
5
4
9
8
7
1
3
2
6
5
4
9
8
7
R111
33
Q13
2N3906
BC11
33PF
+
EC42
100UF16V
BC25
0.1UF
RN1
1K(8 Pin, 4R)
1
3
5
78
6
4
2
BC15
0.1UF
BC27
0.1UF
+
EC25
100UF16V
TP19
L5 FB
CN12
MIC
1
2
3
4
U2 AMS1085 TO-252
1
3 2
ADJ
IN OUT
F1 FUSE(1206,500mA)
1 2
L10 FB
+
EC1
100UF16V
CN8
CARD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BC9
0.1UF
R66 33
BC26
0.1UF
R117
15K
R115 10
BC40
0.1UF
BC2
0.1UF
/