VIDEO CASSETTE RECORDER
HV-FX780
S/M Code No. 09-999-335-6R1
NH
SERVICE MANUAL
DATA
BASIC TAPE MECHANISM : D-33 (6721R-0122A)
REVISION
This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
(S/M Code No.09-999-335-6T1)
.
2
TABLE OF CONTENTS
SPECIFICATIONS ............................................................ 3
ACCESSORIES LIST ....................................................... 3
DISASSEMBLY INSTRUCTIONS..................................... 4
SERVICE POSITION ........................................................ 5
VCR TEST TAPE INTERCHANGEABILITY TABLE ........ 6
ELECTRICAL MAIN PARTS LIST.............................. 7 ~ 8
TRANSISTOR ILLUSTRATION........................................ 8
WIRE HARNESS DIAGRAM ............................................ 9
BLOCK DIAGRAM ................................................. 10 ~ 16
SCHEMATIC DIAGRAM
1. POWER SECTION.............................................. 17 ~ 18
2. AUDIO/VIDEO SECTION.................................... 19 ~ 20
3. SYSTEM CONTROL/SERVO/OSD SECTION) .. 23 ~ 24
4. TUNER SECTION....................................................... 25
5. FRONT 1 C.B.............................................................. 29
6. FRONT 2 C.B.............................................................. 29
WAVEFORM
1. VIDEO SECTION ........................................................ 21
2. SERVO/OSD SECTION.............................................. 22
FL DISPLAY.................................................................... 26
WIRING
1. MAIN C.B SECTION ........................................... 27 ~ 28
2. FRONT 1 C.B SECTION............................................. 30
3. FRONT 2 C.B SECTION............................................. 30
IC DESCRIPTION ................................................... 31 ~ 36
IC BLOCK DIAGRAM..................................................... 37
ADJUSTMENT........................................................ 38 ~ 39
MECHANICAL EXPLODED VIEW 1/1 ........................... 40
MECHANICAL MAIN PARTS LIST 1/1 ......................... 40
MECHANISM EXPLODED VIEW 1/3, 2/3, 3/3 ..... 42,44,46
MECHANISM MAIN PARTS LIST 1/3, 2/3, 3/3 .... 43,45,47
DECK MECHANISM PARTS LOCATIONS
Top View.......................................................................... 48
Bottom View .................................................................... 48
DECK MECHANISM DISASSEMBLY
1. Drum Assembly ......................................................... 49
2. Plate Assembly Top................................................... 51
3. Holder Assembly CST............................................... 51
4. Guide CST ................................................................ 51
5. Bracket Side (L)/Bracket Assembly Door .................. 51
6. Arm Assembly F/L ..................................................... 51
7. Lever Assembly S/W ................................................. 51
8. Arm Assembly Cleaner.............................................. 52
9. Head F/E ................................................................... 52
10. Base Assembly A/C Head ......................................... 52
11. Brake Assembly S ..................................................... 53
12. Brake Assembly T ..................................................... 53
13. Arm Assembly Tension .............................................. 53
14. Reel S & Reel T ........................................................ 53
15. Support CST ............................................................. 54
16. Base Assembly P4 .................................................... 54
17. Opener Lid ................................................................ 54
18. Arm Assembly T/up ................................................... 54
19. Arm Assembly Pinch ................................................. 54
20. Belt Capstan/Motor Capstan ..................................... 55
21.Clutch Assembly D33 ................................................. 55
22. Lever F/R .................................................................. 55
23. Gear Assembly H-UP/D or Gear Assembly UP/D ..... 55
24. Bracket Assembly Jog............................................... 56
25. Guide Rack F/L, Gear Rack F/L................................ 56
26. Brake Assembly Capstan .......................................... 56
27. Gear Drive/Gear Cam/Gear Connector .................... 57
28. Bracket Assembly L/D motor..................................... 57
29. Gear Sector............................................................... 58
30. Base Tension/Plate Slider/Lever Tension.................. 58
31. Gear Assembly P3/Gear Assembly P2 ..................... 59
32. Base Assembly P3/Base Assembly P2 ..................... 59
33. Arm Assembly Idler Jog or Arm Assembly Idler ........ 59
DECK MECHANISM ADJUSTMENT
Tools and Fixtures for service ......................................... 60
1. Mechanism Alignment Position Check ........................ 61
2. Preparation for Adjustment ......................................... 62
3. Checking Torque ......................................................... 62
4. Guide Roller Height Adjustment .................................. 63
4-1. Preliminary Adjustment .......................................... 63
4-2. Precise Adjustment ................................................ 63
5. Audio/Control (A/C) Head Adjustment......................... 64
5-1. Preliminary Adjustment .......................................... 64
5-2. Confirm that the Tape Path smoothly between the
Take-up Guide and Pinch Roller ............................ 65
5-3. Precise Adjustment (Azimuth Adjustment) ............. 65
6. X-Value Adjustment..................................................... 65
7. Adjustment after Replacing Drum Assembly
(Video Heads) ............................................................. 66
8. Check the Tape Travel after Reassembling
Deck Mechanism......................................................... 66
8-1. Checking Audio and RF Locking Time
during Playback and after CUE or REV ................ 66
8-2. Check for Tape Curling or Jamming....................... 66
MAINTENANCE/INSPECTION PROCEDURE
1. Check before starting Repairs .................................... 67
2. Required Maintenance ................................................ 68
3. Scheduled Maintenance ............................................. 68
4. Supplies Required for Inspection and Maintenance ... 68
5. Maintenance Procedure.............................................. 68
5-1. Cleaning................................................................. 68
5-2. Greasing ................................................................ 69
MECHANISM TROUBLESHOOTING GUIDE
1. Deck Mechanism ........................................................ 70
2. Front Loading Mechanism .......................................... 73
3
REF. NO PART NO. KANRI DESCRIPTION
NO.
ACCESSORIES LIST
1 S8-35R-M00-34E INSTRUCTION ASSY
2 S7-11R-1N0-32A REMOTE CONTROLLER A
3 S8-615-06F-000 RF MONO SEARS CABLE SET ASSY
SPECIFICATIONS
• Design and specifications are subject to change without notice.
Video recording system
Rotary 2 head helical scanning system
Video head Double azimuth 4 head
Tuner system Frequency synthesized tuner
TV system M
Video signal system NTSC color signal, 525 lines, 60 fields
Usable cassttes VHS video cassette
Recording Playback time
SP: 3 hours with T-180 tape
LP: 6 hours with T-180 tape (playback only)
EP: 9 hours with T-180 tape
Tape speed SP: 33.35 mm/sec.
LP: 16.67 mm/sec.
EP: 11.12 mm/sec
Fast forward/Rewind time
Less than 180 seconds with T-120 tape
Channel coverage VHF: 2 to 13
UHF: 14 to 69
CATV: 4A, 2 to 13, A to W, W + 1 to W + 58,
A-5 to A-1, W + 59 to W +84
RF output VHF channel 3 or 4 (switchable), 66 dBµ
Video input 1.0 Vp-p, 75 ohm, unbalanced
Video output 1.0 Vp-p, 75 ohm, unbalanced
Horizontal resolution 230 lines
Video S/N 43 dB (at SP)
Audio track 1 track (Mono)
Audio input -6 dBs, 47 kohm
Audio output -6 dBs, less than 4.7 kohm
Audio frequency response 100 Hz - 10 kHz (at SP)
Audio S/N More than 43 dB (at SP)
Operating temperature 5°C to 35°C
Power requirements 120 V AC, 60 Hz
Power consumption 14 W (Standby: 3 W)
Dimensions 360 (W) x 278 (D) x 95 (H) mm
(14
1
/
4
x 11 x 3
3
/
4
in.)
Weight 3.3 kg (7.26 lbs.)
4
DISASSEMBLY INSTRUCTIONS
1. Top Case Removal
1) Remove 4 screws holding the top case.
2. Panel Front Removal (see Fig. 1)
1) Release 7 tabs, and then remove the panel front.
Fig. 1
3. Front-1 C.B. and Front-2 C.B. Removal (see Fig. 2)
1) Release 2 tabs, and then remove front-1 C.B. from the
connector (PKM02) in the direction of arrow (1).
2) Release the tab, and then remove front-2 C.B. from the
connector (PKM01) in the direction of arrow (2).
Fig. 2
4. Mechanism Removal (see Fig. 3)
1) Disconnect the drum FF cable from the connector
(PMD01) on the Main C.B.
2) Disconnect the ACE head FF cable from the connector
(P3D02) on the Main C.B.
3) Remove 6 screws (A).
Fig. 3
5. Main C.B. Removal (see Fig. 4)
1) Remove 2 SCREWS B holding the panel assy, distri-butor.
2) Release 5 tabs, and then simultaneously lift the panel as-
sembly, distributor and Main C.B. to remove them.
Fig. 4
TAB
PANEL
FRONT
PANEL ASSY,
DISTRIBUTOR
MAIN C,B
TAB
TAB
TAB
TAB
TAB
B
PKM02
TAB
TAB
TAB
(1)
(2)
PKM01
Front-1 C,B
Front-2 C,B
MAIN C,B
FF CABLE
FF CABLE
PMD01
P3D02
A
A
A
5
SERVICE POSITION
To set the mechanism to the service position in active status:
Insert a spacer as shown below: The service position can be set in the stable status without any defective contact.
Location
Install spacers at locations (A) and (B).
MAIN C.B
D33 MECHANISM
SPACER
60mm
MAIN C.B
D33
MECHA
SPACER
REAR PANEL
Use a spacer with a diameter of 10-15 mm,
and of any shape (round, square, etc.).
Caution: The spacer must be of insulated
material, of a size that does not hinder
the mechanism loading.
Side view
A
B
CYLINDER
HEAD CLEANER
D33 Mechanism Top View
6
VCR TEST TAPE INTERCHANGEABILITY TABLE
There are two types of the new allgnment tape CH-1B (for NTSC) and CH-2 (for PAL). On each tape four signals (1)-(4)
are recorded for the times and in the order shown below.
(1) : 8min. → (2) : 2min. → (3) : 5min. → (4) : 5min.
The TTV-MP1 (for M-PAL), TTV-MS1 (for MESECAM) and TTV-S1 (for SECAM) allgnment tapes have the same
contents as the previous tapes.
Method
Now in use TYPE
Model Contents *1
New TYPE
Model Contents *1
Application
NTSC
PAL
TTV-N1
NTSC, Color bar,
1 kHz, SP
TTV-NS1
NTSC, Color bar,
1 kHz, SP
TTV-N1E
NTSC, Color bar,
1 kHz, EP
TTV-NS6E
NTSC, Color bar,
No sound, EP
TTV-N2
NTSC, Stairsteps,
7 kHz, SP
TTV-N12
(SCV-1998)
NTSC, Color bar,
1 kHz, SP
NTSC, Mono scope,
7 kHz, SP
TTV-N7A
NTSC, Stairsteps,
1 kHz, SP, HiFi 400 Hz
TTV-N6
(TTV-N06T)
TTV-P1
PAL, Color bar,
1 kHz, SP
TTV-P1L
PAL, Color bar,
1 kHz, LP
TTV-P2
PAL, Stairsteps,
6 kHz, SP
PAL, Monoscope,
6 kHz, SP
TTV-P6
(TTV-N06T)
TTV-P7
PAL, Stairsteps,
1 kHz, SP,
HiFi 1 kHz
TTV-P16
PAL, Color bar,
400 Hz,
SP, HiFi 1 kHz
CH-1B(2)
NTSC, Stairsteps,
1 kHz, SP
No Changed.
NTSC, Color bar,
1 kHz, EP
CH-1B(4)
*2
No Changed.
CH-1B(1)
NTSC, Stairsteps,
7 kHz, SP
CH-1B(4)
NTSC, Color bar,
1 kHz, EP
No Changed.
CH-1B(3)
NTSC, Color bar,
No sound SP,
HiFi 400 Hz
PAL, Stairsteps,
1 kHz, SP
CH-2 (2)
* 3
CH-2 (4)
PAL, Color bar,
1 kHz, LP
CH-2 (1)
PAL, Stairsteps,
6 kHz, SP
No Changed.
CH-2 (3)
PAL, Color bar,
No sound
SP, HiFi400 Hz
No Changed.
PB-Y Level/General electrical ADJ.
Head ACE Height/Tilt ADJ.
For S-VHS (SQPB) check
Switching position ADJ.
For S-VHS (SQPB) check
Head ACE Azimuth ADJ.
FM Envelope ADJ.
X-Value ADJ.
For total picture quality check (resolution, etc)
HiFi Audio PB Level ADJ.
Switching position ADJ.
PB-Y Level/General electrical ADJ.
Head ACE Height/Tilt ADJ.
Switching position. (LP Model)
FM Envelope ADJ. (LP Model)
X-Value ADJ. (LP Model)
HEAD ACE Azimuth ADJ.
FM Envelope ADJ. (SP Model)
X-Value ADJ. (SP Model)
For total picture quality check (resolution, etc)
FM Filter ADJ.
HiFi Audio PB Level ADJ.
* 1. Described in the order of color format. video signal. linear audio. tape speed and Hi-Fi audio.
* 2. Use CH-1B (1)-(3) with models used exclusively in the SP mode.
* 3. Use CH-2 (3) and (4) when it is necessary to observe the chroma signal.
7
REF. NO PART NO. KANRI DESCRIPTION
NO.
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
! S6-570-62A-000 IC,PC817
SI-SS4-310-00A IC,KA431AZ
SI-KE4-310-00A IC,KIA431 3P
SI-HI1-187-17A IC,HA118717NF
SI-HI3-977-36A IC,HD3977RC36F
SI-SS3-082-00A IC,KA3082
SI-SS7-531-00A IC,KA7531Z
SI-SS7-542-00A IC,KA7542Z
87-A20-281-010 IC,MN12510
TRANSISTOR
! ST-R44-190-0AA TR,KTC4419
ST-R14-140-9AA TR,KTD1414
ST-R31-990-9AF TR,KTC3199-BL
ST-R32-050-9AB TR,KTC3205-TP-Y
ST-R10-300-9AE TR,KRC103M
87-026-609-080 TR,KTA1266-GR
ST-R31-980-9AC TR,KTC3198-TP-BL
ST-R32-030-9AA TR,KTC3203-Y
ST-R12-810-9AA TR,KTA1281Y
ST-R12-730-9AA TR,KTA1273-TP-Y
ST-R12-670-9AC TR,KTA1267-GR
S3-1KR-A10-3M0 TR,KRA103M-TP
DIODE
SD-D01-000-9AC DIODE,EU01W
87-020-215-010 DIODE,ERC81-004L
87-017-011-080 DIODE,IN4003A
87-020-465-080 DIODE,1SS133
87-070-173-010 DIODE,S1WBA60
SD-D01-000-9CB DIODE,EG01AW
SD-D22-060-9AA DIODE,ERA22-06
SD-D31-040-9AA DIODE,31DQ04
87-017-352-010 DIODE,RU3YXLF-C1 100V2
SD-R10-551-0AA DIODE,RZ1055LF-C1
MAIN C.B
!C101 S6-240-88F-000 CAP,PCX2 275V 0.1UF,M
!C103 S6-240-86B-000 CAP,103-400V
!C104 S6-240-86B-000 CAP,103-400V
!C105 87-016-375-010 CAP,0.01UF-630V
!C106 87-016-533-010 CAP,220PF/1KV
C111 87-A11-809-010 CAP,E 100UF-250V
C115 87-010-408-040 CAP,E 47UF-50V
C116 87-016-623-080 CAP,E 1000UF-10V
C117 S6-240-83E-000 CAP,1000-10V
C118 87-010-375-080 CAP,E 330-10V
C119 87-010-408-040 CAP,E 47UF-50V
C120 87-010-387-010 CAP,E 470UF-25V KME
C121 87-010-387-080 CAP,E 470UF-25V
C151 87-015-698-080 CAP,E 4.7M-50V
C152 87-015-681-080 CAP,E 10-16V
C153 87-010-060-080 CAP,E 100-16V
C154 87-015-698-080 CAP,E 4.7M-50V
C1J1 87-010-403-040 CAP,E 3.3-50V
C302 87-010-552-040 CAP,E 22-16V
C304 87-015-698-080 CAP,E 4.7M-50V
C306 87-015-698-080 CAP,E 4.7M-50V
C307 87-015-681-080 CAP,E 10-16V
C311 87-010-552-040 CAP,E 22-16V
C312 87-015-698-080 CAP,E 4.7M-50V
C315 87-015-684-080 CAP,E 47-16V
C317 87-015-684-080 CAP,E 47-16V
C320 87-015-681-080 CAP,E 10-16V
C324 87-015-681-080 CAP,E 10-16V
C327 87-010-403-040 CAP,E 3.3-50V
C328 87-015-681-080 CAP,E 10-16V
C330 87-010-402-040 CAP,E 2.2-50V
C331 87-015-695-080 CAP,E 1.0-50V
C332 87-010-544-010 CAP,E 0.1-50V
C335 87-016-088-040 CAP,E 220-6.3V
C342 87-015-684-080 CAP,E 47-16V
C345 87-015-698-080 CAP,E 4.7M-50V
C347 87-015-698-080 CAP,E 4.7M-50V
C350 87-015-695-080 CAP,E 1.0-50V
C352 87-010-402-040 CAP,E 2.2-50V
C358 87-010-403-040 CAP,E 3.3-50V
C359 87-015-684-080 CAP,E 47-16V
C365 87-015-684-080 CAP,E 47-16V
C370 87-015-681-080 CAP,E 10-16V
C378 87-015-695-080 CAP,E 1.0-50V
C500 87-016-040-080 CAP,0.047F-5.5V
C502 87-015-684-080 CAP,E 47-16V
C503 87-016-088-040 CAP,E 220-6.3V
C505 87-015-684-080 CAP,E 47-16V
C506 87-016-455-080 CAP,E 470UF-6.3V
C524 87-010-265-080 CAP,E 33-16V
C525 87-015-684-080 CAP,E 47-16V
C526 87-010-408-040 CAP,E 47UF-50V
C530 87-015-681-080 CAP,E 10-16V
C531 87-015-695-080 CAP,E 1.0-50V
C534 87-015-698-080 CAP,E 4.7M-50V
C535 87-015-698-080 CAP,E 4.7M-50V
C540 87-015-684-080 CAP,E 47-16V
C541 87-015-698-080 CAP,E 4.7M-50V
C546 87-015-684-080 CAP,E 47-16V
C547 87-015-684-080 CAP,E 47-16V
C561 87-015-684-080 CAP,E 47-16V
C588 87-015-698-080 CAP,E 4.7M-50V
C5F6 87-015-698-080 CAP,E 4.7M-50V
C5F7 87-015-684-080 CAP,E 47-16V
C5F8 87-015-684-080 CAP,E 47-16V
C701 87-015-698-080 CAP,E 4.7M-50V
C702 87-016-455-080 CAP,E 470UF-6.3V
C704 87-010-544-010 CAP,E 0.1-50V
C705 87-016-455-080 CAP,E 470UF-6.3V
C708 87-010-403-040 CAP,E 3.3-50V
CS501 S6-00R-DB0-04B SW SPPB62042 5V
CS501 S6-00R-DB0-04C SW,MPU10252MLB4 MIC
DIG5F1 S3-02R-2N0-03B DH SVV07MM16 MONO
DIG5F1 S3-02R-1N0-03B LEVEL METER 7MT229GK
ES501 S9-31R-001-6A0 SENSOR END
ES502 S9-31R-001-6A0 SENSOR END
!F101 S5-850-27B-000 FUSE,1600MA 250V
!F102 87-020-840-080 ICP-N20
!F103 87-020-840-080 ICP-N20
!F106 S5-850-35V-000 F 2000MA 125 V 3-7.5
!FH01 S5-860-08B-000 FUSE CLUMP
!FH02 S5-860-08B-000 FUSE CLUMP
FL301 S6-330-32N-000 COIL,BIAC OSC DEO-010 KSE
JK301 S5-720-80D-000 JACKBJP-404F
!L101 S6-161-45E-000 FILTER KSE-145E
!L101 S6-161-45G-000 FL SHT LFSQ2215V4-04220
L103 S6-330-88G-000 COIL,CHOCK TP 5MM
L104 S6-330-88G-000 COIL,CHOCK TP 5MM
L301 87-005-208-080 COIL,100
L302 87-005-208-080 COIL,100
L303 87-A50-002-080 COIL,270U 2.3-3.4-5
L304 87-005-696-080 COIL,100UH
L305 87-005-688-080 COIL,22UH
L306 87-005-685-080 COIL,12UH
L309 87-005-208-080 COIL,100
L310 87-005-208-080 COIL,100
L311 87-003-152-080 INDUCTOR,100M 2.3-3.4-5
L3P1 87-003-129-080 INDUCTOR,6800
L3P2 87-005-696-080 COIL,100UH
8
REF. NO PART NO. KANRI DESCRIPTION
NO.
L501 87-005-208-080 COIL,100
L506 87-005-682-080 COIL,6.80UH
L701 87-005-693-080 COIL,56M K 6-6-5
LD501 S9-31R-001-7A0 LED
MS501 S6-00R-PY0-01B SW,MMS00420ZMBO MIC
P3D01 S5-612-34Y-000 CONN,6P
P3D02 S6-30R-5S0-08E CONN,6P
P3D03 S5-612-51B-000 CONN,2P
PMC01 S6-30R-2P0-05C CONN,8P
PMD01 S5-612-34V-000 CONN,7P
PMK01 S6-724-34B-000 CONN,5P
PMK02 S5-618-43J-000 CONN,10P
PML01 S6-30R-2S0-11A CONN,2P
!PW101 S5-612-92B-000 CONN,2P
!R101 S6-140-13C-000 RES,RCR50,2.2M J M15
!R102 S6-140-07K-000 RES,CEM 3.3-2W
!R104 SR-S33-02K-619 RES,M/F 33K-2W
!R105 SR-S12-00J-619 RES,M/F 120-1W
RC5F1 S7-12R-293-8GA REMOCON RECEIVER
RS501 S5-00R-AB0-02A SENSOR GP1S566
RS502 S5-00R-AB0-02A SENSOR GP1S566
SW701 S5-560-27C-000 SW,SLIDE
!T101 S6-420-21E-000 PT,KSE-021E
TU701 S7-00R-N3L-04A TUNER TADC-H002F
!V101 S6-560-04C-000 V SVC681D-10A
VR501 S6-130-32U-000 RES,VARIABLE (100K)
X301 S2-02R-135-71E X’TAL,3.579675MHZ
X301 S2-02R-135-71C X’TAL,3.579690MHZ
X501 S2-02R-110-0AC X’TAL,10MHZ
X501 S2-02R-110-0AE X’TAL,10MHZ 30PPM
X502 S5-290-01K-000 X’TAL,32.768KHZ
X502 S5-290-01B-000 X’TAL,32.768KHZ
X503 S2-02R-114-3AA X’TAL,14.317872
X503 S2-02R-114-3AC X’TAL,14.317872MHZ
X503 S2-02R-114-3AE X’TAL,14.317872MHZ
X5F1 S6-180-10B-000 X’TAL,4MHZ
ZD101 S9-7U0-3R3-1B0 ZENER,MTZ3.3B
ZD151 SD-Z13-000-9AC ZENER,MTZ13B
ZD152 87-070-334-070 ZENER,MTZ10B
ZD501 SM-TZ6-8CT-000 ZENER,MTZ6.8C
ZD502 83-NEG-677-080 DIODE,MTZ5.6B
ZD503 87-A40-476-010 ZENER,MTZ6.2A
ZD5F1 SD-Z51-000-9HA ZENER,MTZ5.1B 0.5W
ZD701 87-002-743-080 ZENER,MTZ33B
FRONT-1 C.B
PMK02 S5-618-44J-000 CONN,10P
SW5A1 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A2 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A3 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A4 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A5 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A6 S5-562-82C-000 SW,SKQNQED ALPS 5MM
FRONT-2 C.B
LD5A1 SD-L53-110-0AA LED,SG5311(GRN)
PMK01 S5-610-36D-000 CONN,5P
SW5A0 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A7 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A8 S5-562-82C-000 SW,SKQNQED ALPS 5MM
SW5A9 S5-562-82C-000 SW,SKQNQED ALPS 5MM
TRANSISTOR ILLUSTRATION
KRA103M
KRC103M
KTA1267
KTC3198
KTC3199
KTA1266
KTC3203
KTA1273
KTA1281
KTC3205
KTC4419
KTD1414
E C B E C B E C B
E C B
REF. NO PART NO. KANRI DESCRIPTION
NO.
9
WIRE HARNESS DIAGRAM
1
2
3
4
5
6
7
D.CTL
M.GND
DFG
12V
PG
GND
5.3V
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
GND
MOTOR GND
I-LIMIT
CAP CTL
12.3V
CFG
CAP REV "H"
5.3V
1
2
3
4
5
6
7
8
1
2
3
4
5
6
CTL(+)
CTL(-)
A/E(-)
A/E(+)
A.REC
A.PB
1
2
3
4
5
6
1
2
3
4
5
GND
MODE S1
MODE S2
MODE S3
MODE S4
1
2
3
4
5
1
2
GND
FULLERASE
1
2
LOWER
DRUM
CAPSTAN
MOTOR
MS501
MODE SW
FULL ERASE
HEAD
CYL.
HEAD
MAIN C.B
FRONT-2 C.B
FRONT-1 C.B
ACE
HEAD
PMD01
PMC01
P3D02
MS501
P3D03
1
2
LD(+)
LD(-)
1
2
LOADING
MOTOR
PML01
P3D01
1
SP PB CH1
SP REC
SP PB CH2
2
3
4
5
6
1
2
3
4
5
6
EP PB CH1
EP PB CH2
EP REC
1
PKM01
GND
OTPB "H"
5.3VA
K.RTN0
GND
PMK01
2
3
4
5
1
2
3
4
5
1
PKM02 PMK02
2
3
4
5
6
7
1
2
3
4
5
6
7
88
GND
10 10
K.RTN199
10
BLOCK DIAGRAM-1 (POWER SECTION)
NOTES: Symbol denotes AC ground.
Symbol denotes DC chassis ground.
HOT CIRCUIT
BD101
R102
C111
R1J1
Q111
R106
C103
C104
R101
HOT GND
F101
V101
BK
WH
PW101
AC120V
60Hz
R103
R109
4
7
8
9
6
5
10
2
1
4
3
11
13
12
1
2
IC102
PC817
IC103
KA431AZ
3
T101
TRANSFORMER
4
2
3
1
(C101,L101)
LINE FILTER
BLOCK
RECTIFIER
& SMOOTHING
(Q152,R153,
C153,C154,
ZD152)
9V REG.
BLOCK
(Q151,R151 ,R152
C151, C152,
ZD151)
12V REG.
BLOCK
36V
SWITCHING
BLOCK
(D105, C115
R112)
RECTIFIER
& SMOOTHING
FEED-BACK
BLOCK
(R116,R117,R118
R119,R120,R121
C114)
RECTIFIER
& SMOOTHING
RECTIFIER
& SMOOTHING
DRIVE &
OVER CURRENT LIMIT
BLOCK
+
C1J1
+
12.3V(CAP)
-29VA
FD(-)
FD(+)
36V
9V
12V(DRUM)
5.1VA
5.3VA
5.1V(D)
SNUBBER
BLOCK
(Q112,D102,D103,D104,R105,
R107,R108,C107,C108,C109)
(D101,R104,
C105,C106)
(D107, C118,
F102)
(D109, C120,
L104,C121)
VOLTAGE DOWN (12V)
(D151, D152, D153)
(D106, C116,
L103,C117)
(Q158,R162,
R163)
5V SWITCHING
BLOCK
(Q157, R164, R165)
PWR CTL "H"
RECTIFIER
& SMOOTHING
(D108, C119)
ZD101
F106
2A/125V
5V SWITCHING
BLOCK
(F103,Q159, R166)
D157
Q160
FROM
SYSCON/
SERVO
SECTION
TO
SYSCON/SERVO
SECTION
TO
SYSCON/
SERVO
SECTION
TO
AUDIO/VIDEO,
TUNER/IF,
SECTION
TO
TUNER/IF,
SYSCON/SERVO
SECTION
TO
AUDIO/VIDEO,
SYSCON/SERVO
SECTION
TO
TUNER/IF,
SECTION
2
1
3
!
!
!
!
!
!
!
!
!
!
!
11
BLOCK DIAGRAM-2 (AUDIO SECTION)
T.A.IN
L.A.IN 1
9
8
7
VCA
DET
REC
AMP
AMP
PB EQ
AMP
4
11
2
AUDIO
REC/PB
HEAD
AUDIO
REC/PB
HEAD
AUDIO
ERASE
HEAD
:REC AUDIO SIGNAL
:PB AUDIO SIGNAL
17A.OUT
17A.IN
TU701
TUNER
JK301
AUDIO
IN
JK301
AUDIO
OUT
BIAS OSC
(FL301,Q301)
SW
(Q302,Q303)
SW
(Q304-Q306)
FULL
ERASE
HEAD
5.1V(D)
5.1V(D)
REC "H"
TO
SYSCON/SERVO
SECTION
IC301
HA118717NF
VIDEO/AUDIO
PROCESSOR
12
BLOCK DIAGRAM-3 (TUNER SECTION)
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SW701
CH
CH3
CH4
TU701
N.C
A.OUT
20
19
V.OUT
AFT
IF
N.C
30V
N.C
N.C
REG 5V
DATA
CLOCK
ENABLE
N.C
RF AGC
V.IN
CONTROL
REG 5V
CH S/W
A.IN
BUFFER
Q701
VIDEO
VCR 'H'
CLOCK
AFT
TU VIDEO
36V
5.1V(A)
DATA
TU AUDIO
MOD.A.IN
LINE VIDEO
VHF/UHF
IN FROM ANT
OUT TO TV
From
SYSCON/SERVO
SECTION
To/From
AUDIO/VIDEO
SECTION
From
POWER
SECTION
:REC AUDIO SIGNAL
:PB AUDIO SIGNAL
:REC VIDEO SIGNAL
:PB VIDEO SIGNAL
AFT: AUTOMATIC FREQUENCY CONTROL
1413
BLOCK DIAGRAM-4 (VIDEO SECTION)
+
51
52
42
39
44
46
35
29 21 26 24 23 18 19 50 22 20 14 13 15
VIDEO IN
60
58 6269 63 7371
81
87
88
VIDEO
AGC
CLEAR
SYNC
V. OUT
D-V SYNC
Y-CCD
C-CCD
CLOCK Drive
6dB
AMP
FBC
Video ALC
SQUEL CH
C-SYNC
LPF
AGC DET
CLAMP
Y-LPF
YNR
CLAMP
SYNC
SEP
D.E.
C-LPF
SPFACC
C-LPF
NL Emph
LPF
LPF
HPF
VCA
TRAP
FBC
ALC
Main
Conv2
Main
Conv2
APC/ACC
DET
Main
Emph
FM
MOD
REC
Trap
REC-AMP
SP CH2
REC-AMP
SP CH1
MIX
ATT
B.E
C.K
CCD
LPF
L-DET
VCA
(-4dB)
f0=1.68M
f/0DEV
Adjst
X-tal
VCO/OSC
Serial Cont
interface
DATA
CLOCK
V.H/SW30
SP REC
+
+
51
42
39
44
1413
62 6963
81
89
84
IC301
HA118717NF
AUDIO/VIDEO
PROCESSOR
79 78
22
73 71
52
56
2126242318 19
50
60 58 55 54 35
46
V. OUT
D-V SYNC
Y-CCD
C-CCD
CLOCK Drive
FBC
Video ALC
LPF
REC-AMP
SP CH1
DATA
CLOCK
V.H/SW30
V.ENV
SP PB CH2
SP PB CH1
Serial Cont
interface
X-tal
VCO/OSC
TRAP
FM AGC P.EQ G.EQ D LIM Y LPF
Main
De-Empf
DEMO
S LPF
2M LPF
ACC
CTL Trap
fh Trap
HIFI Trap
C LPF DEALY
MIX
AMP
SQUEL CH
CLEAR
SYNC
CLAMP
CLAMP
Sharpness
CONTROL
YNR NC
SYNC SEP
C-SYNC
NL
De-eMPH
VCA
C.K
LPF
BDBPF
CCD LPF
APC/ACC
DET
L- DET
Main
Conv2
Main
Conv1
To/From
SYSCON/SERVO
SECTION
From
SYSCON/SERVO
SECTION
From
CYL.HEADS
X301
3.579MHz
X301
3.579MHz
From
SYSCON/SERVO
SECTION
To/From
SYSCON/SERVO
SECTION
From
TUNER/IF
SECTION
To/From
SYSCON/SERVO
SECTION
From
SYSCON/SERVO
SECTION
To
SYSCON/SERVO
SECTION
To
CYL.HEADS
87
88
REC-AMP
EP CH2
REC-AMP
EP CH1
EP REC
REC-AMP
SP CH2
86
94
REC-AMP
EP CH1
EP PB CH2
EP PB CH1
REC-AMP
EP CH2
91
SP
CH2
CH1
CH2
CH1
EP
ATT
-10dB
ATT
-10dB
ATT
-10dB
31
30
28
JK301
VIDEO
IN
:PB CHROMA SIGNAL
:PB Y SIGNAL
:REC CHROMA SIGNAL
:REC Y SIGNAL
:REC VIDEO SIGNAL
:PB VIDEO SIGNAL
IC301
HA118717NF
AUDIO/VIDEO
PROCESSOR
• PB MODE
• REC MODE
D LIM: Double Limit
FBC: Feed Back Clamp
YNR: Y Noise Reduction
APC: Automatic Phase Control
ACC: Automatic Color Control
1615
BLOCK DIAGRAM-5 (SYSTEM CONTROL SECTION)
GND
MODE S1
MODE S2
MODE S3
MODE S4
MODE S/W
T-UP REEL
T-UP END
PML01
SUP REEL
(CST.SW)
5.1VD
CS501
5.3VA
5.3VA
ES501
R550
LD501
DECK IR LED
R553
R555
RS501
RS502
R556
Q514
Q515
R558
R548
C552
R5C6
C506 C501
C500
R542
D501
R541
R539
MS501
X501
10MHz
32.768KHz
OSC
OSC
X502
M
LD +
LD
2
1
L/D MOTOR
12V(DRUM)
R526
R525
5
6
4
7
8
1
10
Vcc 1
Vcc 2
OUT 1
OUT 2
GND
IN 2
IN 1
Vref
IC502
KA3082
LOADING MOTOR
DRIVE
C529
ZD501
2
1
2
RESET
Vcc
3
5.3VA
L501
5.3VA
9V
IC504
KA7531Z
RESET
+
+
C561
C521
+
C504
+
C503
R516
R557
C536
SUP END
ES502
R564
C537
R544
OSC
R/C
PMK01 PMK01
4
RC5F1
TSOP1238SP1
REMOCON
SENSOR
L506
R517
C518
C519
OSC
X503
14.3178MHz
+
C532
C505
TO DECK
ZD502
ZD503
Q522
Q503
Q501
CV IN
77
76
75
74
1
5
57
4
17 34
35
36
37
22
41
16
IC501
HD3977RC36F
SYSCON/SERVO
PROCESSOR
MODE S1
I-Limit
MODE S2
MODE S3
MODE S4
T-UP Sensor
T-UP Reel
SUP Reel
CST IN
Vcc (SYSCON)
Vcc (SERVO)
CAP. PWM
CTL +
CTL -
DFG
CFG
CAP. RVS 'H'
CAP. ACCEL
DRUM ADJ.
V. ENV
V.H.SW30
C.Sync
DPG
D.V.Sync
72
73
OSC2
X1
X2
OSC1
70
69
53
52 50
fsc IN
13
KEY RTN 0
14
KEY RTN 1
fsc OUT
Dosc IN
19
LD -
LD +
20
31
32
38
40
61
80
81
12
24
87
26
39
27
25
78
DRUM PWM
42
Vcc (OSD)
3
SUP END Sensor
51
Dosc OUT
82
15
Vcc (A/D)
91
55
VCR 'H'
PLL DATA
PLL CLK
CV OUT
9
AFT
6
SQPB IN
90
45
POWER FAIL
89
A. MUTE 'H'
REC 'H'
79
62
43
54
C. sync (NOR)
C. sync
55
PWR CTL 'H'
2
Vcc
3
IIC DATA
IIC CLK
90
91
IC505
KA7542Z
POWER FAIL DET.
1
1
2
3
4
5
R
R
PKM02 PMK02
9
FRONT-2 C.B
FRONT-1 C.B
CTL.GAIN ADJ
CTL1
CTL2
CTL3
CTL OUT
CTL.
GAIN
ADJ
Q5J1
FROM
POWER
SECTION
TO/FROM
TUNER/IF
SECTION
TO
POWER
SECTION
TO
AUDIO/VIDEO
SECTION
12
3
4
12
3
4
1
SW5A7
CH UP
SW5A8
CH DOWN
SW5A0
OPTB
SW5A9
ONE-TOUCH
PLAYBACK
SW5A1
REC/ITR
SW5A2
REW
SW5A3
PLAY
SW5A4
F.FWD
SW5A5
STOP
SW5A6
PAUSE/
STILL
FLD ENV
94
FLD DATA OUT
97
FLD DATA IN
FLD CLK
96
95
1
P15
P16
NC
NC
G1
G2
G3
G4
G5
P3
P2
P1
POWER LED
SHUTTLE4
SHUTTLE3
SHUTTLE2
SHUTTLE1
DATA OUT
DATA IN
CLK
234567891011
33 32 31 30 29 28 27 26 25 24 23
44
43
42
41
40
39
38
37
36
35
34 P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
12
13
14
15
16
17
18
19
20
21
22
G6
G7
G8
G9
VPP
IC5F1
MN12510
DISPLAY DRIVE
VDD
OSC1
OSC2
VSS
ENA
OSC
X5F1 4MHz
FD (+)
FD (-)
5.3VA
-29VA
FROM
POWER
SECTION
DIG5F1 DISPLAY
Q506
Q509
D502
R503
1817
SCHEMATIC DIAGRAM-1 (POWER SECTION)
NOTES) Symbol denotes AC ground.
NOTES) Symbol denotes DC chassis ground.
NOTES) Warning
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
NOTES) electricial shock.
MAIN (POWER SECTION) C.B
AC120V
60Hz
C101
0.1u/275V
ICP-N20
ICP-N20
(0.8A/50V)
12.3V(CAP)
To
AUDIO/VIDEO
SECTION
To
TUNER/IF
SECTION
Front
SYSCON/SERVO
SECTION
To
SYSCON/SERVO
SECTION
To
SYSCON/SERVO
SECTION
2
1
3
IC103
KA431AZ
(KIA431)
IC102
PC817
35.5
35.6
34.9
5.3 5.2
4.6
5.3 5.1
5.7
15.0 12.1
12.7
12.1
9.8
9.2
ONE VOLTAGE:PB OR REC MODE
: HOTCIRCUIT
*
2019
SCHEMATIC DIAGRAM-2 (AUDIO/VIDEO SECTION)
VIDEO
AUDIO
IN
OUT
IN
OUT
From
POWER
SECTION
To/From
SYSCON/SERVO
SECTION
TU VIDEO
LINE VIDEO
From
TUNER/IF
SECTION
(1/6)
(1/4)
R
R
EMPH
VIDEO/AUDIO
PROCESSOR
(6/6)(2/4)(3/4)(4/4)
To/From
SYSCON/SERVO
SECTION
SQPB IN
IN
(4/6)
(3/6)
(2/6)
809 MOD.A.IN
To/From
TUNER/IF
SECTION
(5/6)
3.5796MHz
X301
MAIN (AUDIO/VIDEO SECTION) C.B
TU AUDIO
VIDEO
5.1V(D)
5.1V(A)
2.5 2.5 0
0
0
0
2.5 0 2.8 2.5 2.5 2.5 2.5 2.5 5.0
1.6
(2.1)
1.6
(2.1)
2.3
-
(0)
1.8
(0)
2.1 2.8
2.8 2.1 2.2
(2.4)
2.8 2.1 1.4 2.1 0 2.8 1.9 2.8
-
-
0
0
0
2.7
2.7
1.7
5.1
5.1
5.1
5.1
5.1
2.5
0
0
0
0
-
--2.81.92.12.8-2.82.82.85.0---
2.3
(0)
5.05.002.52.52.12.22.1
-
(2.7)
2.1--2.8
2.1
(-)
-
1.9
-
1.1
-
-(0)
0
5.1
5.0
-
-
-
2.5
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1(2.3)
2.1
(2.3)
0
(1.4)
1
2
3
3
3
4
5
6
7
8
9
9
10
11
12
12
12
12
13
13
13
13
0.3
(0.6)
0.3
(4.8)
0
0.3(4.5)
4.9
(4)
4.9
(0)
5.0
5.0 4.8 4.8
0
(4.8)
0
(4.8)
4.2
(4.8)
4.9
(-12.8)
0.7
(-13)
0
(-6.3)
0.7
(-13)
To
FULL ERASE
HEAD
To/From
ACE
HEADS
To/From
CYL.
HEADS
:REC Y SIGNAL
:REC CHROMA SIGNAL
:REC VIDEO SIGNAL
:PB VIDEO SIGNAL
:PB Y SIGNAL
:PB CHROMA SIGNAL
:PB AUDIO SIGNAL :WAVE FORMS No.
:REC AUDIO SIGNAL
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
*
21
WAVEFORM-1 (VIDEO SECTION)
IC301 Pin $
100mV/10µsec DIV
VV/EE
(Main De-Emphasis out)
IC301 Pin ^
100mV/10µsec DIV
PB
(Main De-Emphasis
Peaking)
IC301 Pin *, ¡, £
100mV/10µsec DIV
VV/EE
Clamp Drive In Pin *
Y-out (to 1H CCD) Pin
¡
Y-out (from 1H CCD) Pin
£
IC301 Pin ⁄
200mV/10µsec DIV
EE
(VIDEO IN)
IC301 Pin <
100mV/0.2msec DIV
REC/PB
(2fsc)
1234
5678
90!@
#
IC301 Pin
50
1.0mV/20µsec DIV
VV/EE
(C-SYNC OUT)
IC301 Pin
52
500mV/10µsec DIV
VV/EE
(VIDEO OUT)
IC301 Pin
54
220mV/20µsec DIV
PB
(C.OUT)
IC301 Pin
86
,
87
,
88
,
89
500mV/2msec DIV
SP REC
(REC RF)
IC301 Pin
78
100mV/5msec DIV
PB
(PB RF out)
IC301 Pin
71
100mV/0.2msec DIV
PB/REC
(3.58MHz X-TAL IN)
IC301 Pin
58
,
60
200mV/20µsec DIV
VV/EE
(from 1H CCD Pin
58
to 1H CCD Pin
60
)
IC301 Pin
91
,
92
,
93
,
94
500mV/2msec DIV
EP REC
(REC RF)
22
WAVEFORM-2 (SERVO/OSD SECTION)
IC501 Pin ≤
1V/5msec DIV
REC/PB
(V.H/SW)
IC501 Pin ≥
1V/2msec DIV
QUE/REV
(D.V-SYNC)
IC501 Pin ⁄
1V/10msec DIV
REC
(CTL+)
IC501Pin ¤
1V/10msec DIV
REC
(CTL–)
IC501 Pin °
1V/1msec DIV
REC/PB
(DFG)
IC501 Pin ·
1V/10µsec DIV
REC/PB
(DPG)
IC501 Pin .
500mV/10µsec DIV
EE/PB
(V-OUT)
IC501 Pin ‚
1V/1msec DIV
REC/PB
(CFG)
IC501 Pin ,
100mV/10µsec DIV
EE/PB
(V-IN)
1234
5678
90
IC501Pin
54
1V/20µsec DIV
EE/PB
(C-SYNC)
2423
SCHEMATIC DIAGRAM-3 (SYSTEM CONTROL/SERVO/OSD SECTION)
1
2
4
3
5
6 7
8
9
10
IC502
KA3082
LOADING
MOTOR DRIVE
To
LOADING
MOTOR
To/From
AUDIO/VIDEO
SECTION
To/From
LOWER
DRUM
To/From
CAPSTAN
MOTOR
From
MODE SW
R
0
5.3
5.1
R
0
5.3
5.1
R
0.20.2
5.0
0
0
To
AUDIO/VIDEO
SECTION
GP1S566
GP1S566
R
IC504
KA7531Z
RESET
(2/3)
(2/3)
(3/3)
(3/3)
(6/13)
(1/3)
(2/3)
(1/3)
(3/3)
(2/3)
(8/13)
(11/13)
(2/3)
(3/3)
(8/13)
(7/13)
(2/5)
(1/3)
(1/5)
(13/13)
(4/5)
(5/5)
(12/13)
(3/5)
(9/13)
R
0
5.4
4.6
4.9
5.6
5.3
5.3 5.4
0.1
0
0.7
3.6
:WAVE FORMS No.
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
FLD: Fluorescence Drive
*
HD3977RC36F
IC501
SYSCON/SERVO
PROCESSOR
KA7542Z
POWER FAIL
DET.
X503
14.3178MHz
DISPLAY
DRIVE
RC5F1
TSOP1238SP1
REMOTE
SENSOR
(2/13)
(4/13)
(3/3)
14(3/3)
13(3/3)
(2/3)
(2/3)
(3/13)
K.RTN1
K.RTN0
From
FRONT-1 C.B
PKM02
To/From
FRONT-2 C.B
PMK01
IIC DATA
IIC CLOCK
(3/3)
(1/3)
(1/13)
(3/3)
IIC DATA
IIC CLOCK
SQPB IN
To/From
TUNER/IF
SECTION
To/From
AUDIO/
VIDEO
SECTION
To/From
POWER
SECTION
DISPLAY
MAIN (SYSCON/SERVO SECTION) C.B
(
(
VIDEO
30
6
6
5.1V(D)
C-SYNC “H”
0 0.9 2.9 1.8 1.8
12.2
12.2 0.9
0.4
(0.5)
0.4
(0.5)
0.4
0
0
0
0
4.5
4.5
0
5.1
5.0
0
5.2
0
5.0(0)
0
5.1
2.5
2.5
2.7
2.4
0
2.5
2.9
(2.3)
2.2
0
0.1
2.2
2.2
2.2
2.2
4.4
2.5
5.2
5.3
2.6
1.3
2.6
0
2.0
0
0
1.2
0
0
5.1
1.5
3.5
5.1
0.2(2.3)
2.3(4.2)
1.2(0)
2.4
2.4
0(0.4)
5.0
0
5.1
0
0
4.9(4.5)
5(0)
0
0
0
5.0
0.2
0
0
1.5
0.8
0
2.5
2.5
5.4
0
5.4
5.0
3.1
0
2.7
1.2
5.1
0
0
0
0
4.6
0
4.3
4.8
4.8
0
0
4.8
0(4.8)
4.8
4.8(0)
0
0
0
2625
SCHEMATIC DIAGRAM-4 (TUNER SECTION)
CH4
CH
CH3
VHF/UHF
IN FROM ANT
OUT TO TV
TU VIDEO
TU AUDIO
LINE VIDEO
VIDEO
To/From
SYSCON/SERVO
SECTION
From
POWER
SECTION
To/From
AUDIO/VIDEO
SECTION
MAIN(TUNER/IF SECTION)C.B
ONE VOLTAGE:PB OR REC MODE
*
:REC AUDIO SIGNAL
:PB AUDIO SIGNAL
:REC VIDEO SIGNAL
:PB VIDEO SIGNAL
FL DISPLAY
• GRID ASSIGNMENT
• ANODE CONNECTION
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