Toshiba D-VR4SC Service manual

FILE NO. 813-200503
Revised. 01
SERVICE MANUAL
Hi-Fi VCR & DVD VIDEO
RECORDER
D-VR4SU
D-VR4SC
-SUMMARYUse this service manual together with the original service manual
of D-VR4SU/SC. (File No. 810-200521)
Nov., 2005 (OR)
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
(A)
1-1: TOP CABINET AND FRONT CABINET
(Refer to Fig. 1-1)
1.
2.
3.
4.
5.
Remove the 5 screws 1.
Remove the Top Cabinet in the direction of arrow (A).
Disconnect the following connectors: (CP601, CP652).
Unlock the 7 supports 2.
Remove the Front Cabinet in the direction of arrow (B).
(C)
(B)
1
Top Cabinet
Flap
1
1
1
CP652
Fig. 1-3
(A)
1-4: DECK CD AND DVD/HD MPEG PCB (Refer to Fig. 1-4)
1
1. Remove the 6 screws 1.
2. Disconnect the following connectors:
(CP504, CP1701, CP8301,CP8302, CP8303).
3. Remove the Deck CD Block in the direction of arrow (A).
4. Remove the 2 screws 2.
5. Remove the Deck Shield in the direction of arrow (B).
6. Remove the 4 screws 3.
7. Remove the MPEG Shield in the direction of arrow (C).
8. Disconnect the following connector: (CP4006).
9. Remove the DVD/HD MPEG PCB in the direction of
arrow (D).
10. Remove the 2 screws 4.
11. Remove the DVD Angle (L) in the direction of arrow (E).
12. Remove the 2 screws 5.
13. Remove the DVD Angle (R) in the direction of arrow (F).
Front Cabinet
(B)
2
2
2
2
CP601
2
2
2
Fig. 1-1
1-2: OPERATION 1/2 PCB AND DISPLAY PCB
(Refer to Fig. 1-2)
1. Remove the 7 screws 1.
2. Remove the Deck Holder (L), PCB Holder and Operation 1
PCB in the direction of arrow (A).
3. Remove the 4 screws 2.
4. Remove the Display PCB in the direction of arrow (B).
5. Remove the 4 screws 3.
6. Remove the Operation 2 PCB in the direction of arrow (C).
1
1
14
4
Deck CD
(E)
Deck Holder (L)
1
2
2
(F)
(B)
1
11
1
2
(A)
DVD Angle (L)
1
1
Operation 1 PCB
(D)
Deck Shield
PCB Holder
2
11
CP4006 1
5
2
5
DVD Angle (R)
Display PCB
(C)
2
DVD/HD MPEG PCB
(B)
3
(C)
3
3
3
3
3
CP1701
3
Operation 2 PCB
MPEG Shield
3
(A)
Fig. 1-2
1-3: FLAP (Refer to Fig. 1-3)
1. Open Flap to 90˚ and flex in direction of arrow (A), at the
same time slide in direction of arrow (B).
2. Then lift in direction of arrow (C).
CP8302
CP504
CP8303
CP8301
B1-1
Fig. 1-4
D-VR4SU/D-VR4SC
SERVICE MODE LIST
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit or on the main unit
and on the remote control for more than a standard time in the appropriate condition. (See below chart.)
In case of the main unit and remote control, press the remote control buttons first, then press the main unit buttons.
Set
Condition
VCR mode
Set Key
CH UP
Set Key
FF
Standard
Time
2 sec.
Operations
PLAY/REC total hours are displayed on the TV Monitor.
Refer to the “PREVENTIVE CHECKS AND SERVICE INTERVALS”
(CONFIRMATION OF HOURS USED).
Can be checked of the INITIAL DATA of MEMORY IC (VCR side).
Refer to the “WHEN REPLACING EEPROM (MEMORY) IC”.
DVD mode
CH UP
PLAY
2 sec.
Initialization of the factory.
NOTE: If you set a factory initialization, the memories are reset
such as the clock setting, the channel setting, and PLAY/
REC total hours.
VCR mode
(Playback)
CH UP
CH DOWN
2 sec.
Adjusting of the Tracking to the center position.
NOTE: Also can be adjusted by pressing the ATR button for more
than 2 seconds during PLAY.
VCR mode
(Playback)
VCR
REC
2 sec.
Adjust the PG SHIFTER automatically.
Refer to the “ELECTRICAL ADJUSTMENT”.
Power On
CH DOWN
DVD
2 sec.
Information screen displayed on the TV Monitor.
Refer to the “WHEN REPLACING NEW DVD LOADER”.
Power Off
CH DOWN
ON/
STANDBY
2 sec.
VCR operation mode at no connection of DVD.
Refer to the “PREPARATION FOR SERVICING”
NOTE: Although the DVD is connected, the DVD mode cannot be
selected.
Set
Condition
Set Key
Remocon
Key
Standard
Time
DVD mode
(STOP)
STOP
0
2 sec.
Tray cannot be opened.
Refer to the “TRAY LOCK”.
DVD mode
(No disc)
STOP
2
2 sec.
DVD Write mode.
Refer to the “RE-WRITE FOR DVD FIRMWARE”.
DVD mode
(No disc)
STOP
6
2 sec.
Can be checked of the INITIAL DATA of MEMORY IC (DVD side).
Refer to the “WHEN REPLACING EEPROM (MEMORY) IC”.
DVD mode
(No disc)
STOP
7
2 sec.
Releasing of PARENTAL LOCK.
Refer to the “PARENTAL CONTROL - RATING LEVEL”.
DVD mode
(STOP)
STOP
8
2 sec.
Region setting.
Refer to the “WHEN REPLACING NEW DVD LOADER”.
Operations
C2-1
D-VR4SU/D-VR4SC
SERVICING FIXTURES AND TOOLS
Alignment Tape
Back tension cassette gauge
Torque cassette gauge
(KT-300NR)
Taper nut driver
ST-N5
ST-NF
70909103
70909199
70909228
VTR cleaning kit
VTR lubrication kit
Grease
JG002B Adapter
JG002E Dial Torque Gauge
(10~90gf•cm)
JG002F (60~600gf•cm)
JG022 Master Plane
JG024A Reel Disk Height
Adjustment Jig
JG153 X Value Adjustment
Screwdriver
JG176 Up-Date Disc
JG185 Tentelometer
Ref. No.
Part No.
JG002B
APJG002B00
Adapter
Parts Name
VSR Torque, Brake Torque (S Reel/T Reel Ass'y)
JG002E
APJG002E00
Dial Torque Gauge (10~90gf•cm)
Brake Torque (T Reel Ass'y)
JG002F
APJG002F00
Dial Torque Gauge (60~600gf•cm)
VSR Torque, Brake Torque (S Reel)
JG022
APJG022000
Master Plane
Reel Disk Height Adjustment
JG024A
APJG024A00
Reel Disk Height Adjustment Jig
Reel Disk Height Adjustment
JG153
APJG153000
X Value Adjustment Screwdriver
X Value Adjustment
JG176
APJG176067
Up-Date Disc
Up-Date of the Firmware
JG185
APJG185000
Tentelometer
Confirmation of Tape Tension on Playback
Remarks
PREPARATION FOR SERVICING
1. While pressing the CH DOWN button on the set for more than 2 seconds, press the ON/STANDBY button on the set
simultaneously at the Power OFF. Although the DVD is connected, the DVD mode cannot be selected.
2. Press both CH UP button on the set and the REC button on the set for more than 2 seconds.
(The BOT, EOT, and the Reel Sensor do not work and the VCR deck can be operated without a cassette tape.)
3. In case of using a cassette tape, press the EJECT button to insert or eject a cassette tape.
Turn on the power and re-check the cable before checking the trouble points.
When you servicing with connection of DVD, perform the operations above step 2 to step 3.
D1-1
D-VR4SU/D-VR4SC
CHASSIS REPLACEMENT PARTS LIST
Location No. TSB P/N
!
!
!
!
Reference No.
Description
300
301
302
303
304
305
306
307
308
309
AE006675
AE005514
AE006679
BZ710193
BZ710515
AE005919
BZ710112
AE006676
BZ710517
AE005920
A2G101H420A
85OA400245
85OP900759
85OP200290
85OP600581
85OP500091
85OP800324
85OA000529
85OA200089
85OA200092
DECK ASSY
PINCH ROLLER BLOCK VA2
LEVER,FLAP(S)
BELT,CAPSTAN (S)
WORM
BASE,AC HEAD
SPRING,AC HEAD
MAIN CHASSIS ASS'Y(S)
CLUTCH ASS'Y
ARM IDLER ASS'Y
310
311
312
313
314
315
316
317
318
319
AE005836
AE005837
BZ710521
AE005838
AE005839
BZ710524
AE006677
BZ710552
BZ710106
AE006678
85OA300068
85OA300070
85OA400223
85OA400249
85OA400248
85OA400231
85OA900236
85OP900745
85OP700035
85OP900756
LOADING ARM S UNIT
LOADING ARM T UNIT
INCLINED BASE T UINT 3S
P5 ARM ASS'Y 2
TENSION ARM ASS'Y 2
INCLINED BASE S UNIT
CASS HOLDER ASS'Y(S)
CASS,OPENER
REFLECTOR,LED
BRACKET,TOP(S)
320
321
322
323
324
325
326
327
328
329
AE004275
AE005842
BZ710531
BZ710532
BZ710533
BZ710534
BZ710535
BZ710536
BZ710537
BZ710538
85OP400549
85OA900233
85OP000496
85OP200316
85OP200317
85OP200308
85OP200311
85OP200312
85OP200313
85OP300194
HOLDER,CAPSTAN
LINK UNIT
POST,CASS GUIDE
REEL,S (S)
REEL,T (S)
GEAR,IDLER
GEAR,CLUTCH
GEAR,COUPLING
LEVER,CLUTCH
GEAR,MAIN LOADING
330
331
332
333
334
335
336
337
338
339
BZ710092
BZ710093
BZ710366
BZ710762
BZ710540
BZ710541
BZ710763
BZ710543
BZ710544
AE005843
85OP400490
85OP400492
85OP400520
85OP400542
85OP400533
85OP600573
85OP600584
85OP600577
85OP600578
85OP600585
LEVER,TENSION
HOLDER,TENSION
CAP.P4
BAND,TENSION
CONNECT,TENSION
ARM,BRAKE T
BAND,BRAKE T
CAM,PINCH ROLLER
CAM,MAIN
ROD,MAIN
340
341
342
343
344
345
BZ710546
BZ710110
BZ710547
BZ710548
BZ710549
AE005844
85OP600582
85OP800322
85OP800360
85OP800355
85OP800356
85OP900754
GEAR,JOINT
SPRING,TENSION
SPRING,BRAKE T
SPRING,COUPLING
SPRING,RING
LEVER,LINK
501
502
503
504
505
506
507
508
509
AE005845
AE005846
AE005847
AE005848
AE005849
AE005850
AE005851
BZ710056
BZ710054
810722680U
83ETW3000U
810722640U
810212060U
810912660U
810A13040U
810A12650U
82Q264713N
82P184505N
SCREW,TAP TITE(S) BIND
E-RING
SCREW,TAP TITE(S) BIND
SCREW,PAN
SCREW,TAP TITE(B) PAN
SCREW/WASHER(A)
SCREW/WASHER(A)
POLYSLIDER WASHER
POLYSLIDER WASHER(CUT)
M2.6x8
3.0
M2.6x4
M2x6
M2.6x6
M3x4
M2.6x5
2.6x4.7xT0.13
1.8x4.5xT0.5
510
AE005540
810722660U
SCREW,TAP TITE(S) BIND
2.6x6
CD1501
CD1502
H5001
H5002
M101
M2001
M2003
UN4001
BZ614292
BZ614339
AE004714
AD301676
AE005552
AE005853
AE003673
AE006680
122H071704
122Y021902
1523Q91004
1543Q02014
1596S98002
1510S98044
1589S11020
A2F401H500
CORD JUMPER
CORD JUMPER
HEAD,AUDIO CONTROL
HEAD (FULL ERASE)
MOTOR,LOADING
CAPSTAN DD UNIT
MICRO MOTOR
CYLINDER UNIT ASS'Y
2H071704
2Y021902
VTR-1X2RPE22-772
VTR-1X2ERS11-154
MDB2B66B
F2QVB73B
I2OAL34
A2F401H500
K2-1
A2G101H420A
D-VR4SU
CHASSIS REPLACEMENT PARTS LIST
Location No. TSB P/N
!
!
!
!
Reference No.
Description
300
301
302
303
304
305
306
307
308
309
AE006965
AE005514
AE006679
BZ710193
BZ710515
AE005919
BZ710112
AE006676
BZ710517
AE005920
A2G001H420A
85OA400245
85OP900759
85OP200290
85OP600581
85OP500091
85OP800324
85OA000529
85OA200089
85OA200092
DECK ASSY
PINCH ROLLER BLOCK VA2
LEVER,FLAP(S)
BELT,CAPSTAN (S)
WORM
BASE,AC HEAD
SPRING,AC HEAD
MAIN CHASSIS ASS'Y(S)
CLUTCH ASS'Y
ARM IDLER ASS'Y
310
311
312
313
314
315
316
317
318
319
AE005836
AE005837
BZ710521
AE005838
AE005839
BZ710524
AE006677
BZ710552
BZ710106
AE006678
85OA300068
85OA300070
85OA400223
85OA400249
85OA400248
85OA400231
85OA900236
85OP900745
85OP700035
85OP900756
LOADING ARM S UNIT
LOADING ARM T UNIT
INCLINED BASE T UINT 3S
P5 ARM ASS'Y 2
TENSION ARM ASS'Y 2
INCLINED BASE S UNIT
CASS HOLDER ASS'Y(S)
CASS,OPENER
REFLECTOR,LED
BRACKET,TOP(S)
320
321
322
323
324
325
326
327
328
329
AE007221
AE005842
BZ710531
BZ710532
BZ710533
BZ710534
BZ710535
BZ710536
BZ710537
BZ710538
85OP400554
85OA900233
85OP000496
85OP200316
85OP200317
85OP200308
85OP200311
85OP200312
85OP200313
85OP300194
HOLDER,CAPSTAN
LINK UNIT
POST,CASS GUIDE
REEL,S (S)
REEL,T (S)
GEAR,IDLER
GEAR,CLUTCH
GEAR,COUPLING
LEVER,CLUTCH
GEAR,MAIN LOADING
330
331
332
333
334
335
336
337
338
339
BZ710092
BZ710093
BZ710366
BZ710762
BZ710540
BZ710541
BZ710763
BZ710543
BZ710544
AE005843
85OP400490
85OP400492
85OP400520
85OP400542
85OP400533
85OP600573
85OP600584
85OP600577
85OP600578
85OP600585
LEVER,TENSION
HOLDER,TENSION
CAP.P4
BAND,TENSION
CONNECT,TENSION
ARM,BRAKE T
BAND,BRAKE T
CAM,PINCH ROLLER
CAM,MAIN
ROD,MAIN
340
341
342
343
344
345
BZ710546
BZ710110
BZ710547
BZ710548
BZ710549
AE005844
85OP600582
85OP800322
85OP800360
85OP800355
85OP800356
85OP900754
GEAR,JOINT
SPRING,TENSION
SPRING,BRAKE T
SPRING,COUPLING
SPRING,RING
LEVER,LINK
501
502
503
504
505
506
507
508
509
AE005845
AE005846
AE005847
AE005848
AE005849
AE005850
AE005851
BZ710056
BZ710054
810722680U
83ETW3000U
810722640U
810212060U
810912660U
810A13040U
810A12650U
82Q264713N
82P184505N
SCREW,TAP TITE(S) BIND
E-RING
SCREW,TAP TITE(S) BIND
SCREW,PAN
SCREW,TAP TITE(B) PAN
SCREW/WASHER(A)
SCREW/WASHER(A)
POLYSLIDER WASHER
POLYSLIDER WASHER(CUT)
M2.6x8
3.0
M2.6x4
M2x6
M2.6x6
M3x4
M2.6x5
2.6x4.7xT0.13
1.8x4.5xT0.5
510
AE005540
810722660U
SCREW,TAP TITE(S) BIND
2.6x6
CD1501
CD1502
H5001
H5002
M101
M2001
M2003
UN4001
BZ614292
BZ614339
AE004714
AD301676
AE005552
AE005853
AE006792
AE006966
122H071704
122Y021902
1523Q91004
1543Q02014
1596S98002
1510S98044
1589S11025
A2G001H500
CORD JUMPER
CORD JUMPER
HEAD,AUDIO CONTROL
HEAD (FULL ERASE)
MOTOR,LOADING
CAPSTAN DD UNIT
MICRO MOTOR
CYLINDER UNIT ASS'Y
2H071704
2Y021902
VTR-1X2RPE22-772
VTR-1X2ERS11-154
MDB2B66B
F2QVB73B
I20AL34K
A2G001H500
K2-2
A2G001H420A
D-VR4SC
ELECTRICAL REPLACEMENT PARTS LIST
D-VR4SU
MFR'S VERSION A
MFR'S VERSION B
REF. NO.
PART NO.
R3055
R803R9473J
RC
47K OHM 1/16W
AE001797
DELETE
R3056
R803R9223J
RC
22K OHM 1/16W
AE001891
DELETE
R3057
R803R9683J
RC
68K OHM 1/16W
AD302291
DELETE
R3058
R803R9153J
RC
15K OHM 1/16W
AE002145
DELETE
C3062
CS0PB0NH6K
CC
2.2 UF 10V B
AE007258
DELETE
C3063
E50HU1330M
CE
33
UF 10 V
AE001769
DELETE
C3064
E50HU53R3M
CE
3.3 UF 50V
BZ110217
DELETE
Q3008
T8YJ2412K0
TRANSISTOR SILICON
2SC2412KT146 R,S
AE002626
DELETE
Q3009
TNYJC05001
COMPOUND TRANSISTOR
DTC124EKAT146
BZ510021
DELETE
Q3010
TPYJC05001
COMPOUND TRANSISTOR
DTA124EKAT146
BZ510026
DELETE
IC3001
I54F50154A
IC
AE006611
PCB010
A2G101H010
DESCRIPTION
OEC0154A
VCR PCB ASS'Y(VERSION A)
DME030A
All parts are not interchangeable between version.
TSB P/N
AE006595
PART NO.
DESCRIPTION
I54F50154B IC
A2G101H010
TSB P/N
MICON VERSION UP.
OEC0154B
VCR PCB ASS'Y(VERSION B)
DME030A
CAUSE
AE006595
D-VR4SC
MFR'S VERSION A
MFR'S VERSION B
REF. NO.
PART NO.
R3055
R803R9473J
RC
47K OHM 1/16W
AE001797
DELETE
R3056
R803R9223J
RC
22K OHM 1/16W
AE001891
DELETE
R3057
R803R9683J
RC
68K OHM 1/16W
AD302291
DELETE
R3058
R803R9153J
RC
15K OHM 1/16W
AE002145
DELETE
C3062
CS0PB0NH6K
CC
2.2 UF 10V B
AE007258
DELETE
C3063
E50HU1330M
CE
33
UF 10 V
AE001769
DELETE
C3064
E50HU53R3M
CE
3.3 UF 50V
BZ110217
DELETE
Q3008
T8YJ2412K0
TRANSISTOR SILICON
2SC2412KT146 R,S
AE002626
DELETE
Q3009
TNYJC05001
COMPOUND TRANSISTOR
DTC124EKAT146
BZ510021
DELETE
Q3010
TPYJC05001
COMPOUND TRANSISTOR
DTA124EKAT146
BZ510026
DELETE
IC3001
I54F50154A
IC
AE006611
PCB010
A2G103H010
DESCRIPTION
OEC0154A
VCR PCB ASS'Y(VERSION A)
DME030A
All parts are not interchangeable between version.
TSB P/N
AE007260
PART NO.
DESCRIPTION
I54F50154B IC
A2G103H010
TSB P/N
MICON VERSION UP.
OEC0154B
VCR PCB ASS'Y(VERSION B)
DME030A
CAUSE
AE007260
TOSHIBA CORPORATION
1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN

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