Toshiba D-VR4SC Service manual
Toshiba D-VR4SC is a Hi-Fi VCR & DVD Video recorder that combines the capabilities of both VCR and DVD players, allowing you to record and playback video content in various formats. With its ability to play and record in both VCR and DVD formats, it offers versatile options for home entertainment and media storage. You can record your favorite TV shows, movies, or videos onto VHS tapes or DVD discs, and playback the recorded media at your convenience.
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FILE NO. 813-200503
Revised. 01
SERVICE MANUAL
Hi-Fi VCR & DVD VIDEO
RECORDER
D-VR4SU
D-VR4SC
- S U M M A R Y -
Use 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
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)
1
Top Cabinet
1
1
1
CP652
Front Cabinet
2
2
2
2
(B)
CP601
2
2
2
(A)
1
Fig. 1-1
1-2: OPERATION 1/2 PCB AND DISPLAY PCB
(Refer to Fig. 1-2)
1.
2.
3.
4.
5.
6.
Remove the 7 screws 1 .
Remove the Deck Holder (L), PCB Holder and Operation 1
PCB in the direction of arrow (A).
Remove the 4 screws 2 .
Remove the Display PCB in the direction of arrow (B).
Remove the 4 screws 3 .
Remove the Operation 2 PCB in the direction of arrow (C).
Deck Holder (L)
Operation 1 PCB
(A)
1
1
1
1
1
1
1
2
2
PCB Holder
2
Display PCB
2
(B)
3
3
3
3
(C)
(B)
(A)
Flap
Fig. 1-3
1-4: DECK CD AND DVD/HD MPEG PCB (Refer to Fig. 1-4)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Remove the 6 screws 1 .
Disconnect the following connectors:
(CP504, CP1701, CP8301,CP8302, CP8303).
Remove the Deck CD Block in the direction of arrow (A).
Remove the 2 screws 2 .
Remove the Deck Shield in the direction of arrow (B).
Remove the 4 screws 3 .
Remove the MPEG Shield in the direction of arrow (C).
Disconnect the following connector: (CP4006).
Remove the DVD/HD MPEG PCB in the direction of
10.
11.
12.
13.
arrow (D).
Remove the 2 screws 4 .
Remove the DVD Angle (L) in the direction of arrow (E).
Remove the 2 screws 5 .
Remove the DVD Angle (R) in the direction of arrow (F).
4
1
4
1
1
Deck CD
(E)
DVD Angle (L)
2 (B)
(F) 1
1
Deck Shield 2
(D)
(C)
CP4006 1
DVD Angle (R)
DVD/HD MPEG PCB
5
5
3
MPEG Shield
3
CP1701 3 3
Operation 2 PCB
(A)
Fig. 1-2
1-3: FLAP (Refer to Fig. 1-3)
1.
2.
Open Flap to 90˚ and flex in direction of arrow (A), at the same time slide in direction of arrow (B).
Then lift in direction of arrow (C).
B1-1
CP504
CP8302
CP8301
CP8303
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
Set Key Set Key
Standard
Time
Operations
VCR mode CH UP FF 2 sec.
PLAY/REC total hours are displayed on the TV Monitor.
Refer to the “PREVENTIVE CHECKS AND SERVICE INTERVALS”
(CONFIRMATION OF HOURS USED).
DVD mode
VCR mode
(Playback)
VCR mode
(Playback)
Power On
Power Off
CH UP
CH UP
VCR
CH DOWN
CH DOWN
PLAY
CH DOWN
REC
DVD
ON/
STANDBY
2 sec.
2 sec.
2 sec.
2 sec.
2 sec.
Can be checked of the INITIAL DATA of MEMORY IC (VCR side).
Refer to the “WHEN REPLACING EEPROM (MEMORY) IC”.
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.
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.
Adjust the PG SHIFTER automatically.
Refer to the “ELECTRICAL ADJUSTMENT”.
Information screen displayed on the TV Monitor.
Refer to the “WHEN REPLACING NEW DVD LOADER”.
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
DVD mode
(STOP)
DVD mode
(No disc)
DVD mode
(No disc)
DVD mode
(No disc)
DVD mode
(STOP)
Set Key
STOP
STOP
STOP
STOP
STOP
Remocon
Key
0
2
6
7
8
Standard
Time
2 sec.
2 sec.
2 sec.
2 sec.
2 sec.
Operations
Tray cannot be opened.
Refer to the “TRAY LOCK”.
DVD Write mode.
Refer to the “RE-WRITE FOR DVD FIRMWARE”.
Can be checked of the INITIAL DATA of MEMORY IC (DVD side).
Refer to the “WHEN REPLACING EEPROM (MEMORY) IC”.
Releasing of PARENTAL LOCK.
Refer to the “PARENTAL CONTROL - RATING LEVEL”.
Region setting.
Refer to the “WHEN REPLACING NEW DVD LOADER”.
C2-1 D-VR4SU/D-VR4SC
Alignment Tape
ST-N5
ST-NF
VTR cleaning kit
SERVICING FIXTURES AND TOOLS
Back tension cassette gauge Torque cassette gauge
(KT-300NR)
Taper nut driver
70909103
VTR lubrication kit
70909199
Grease
70909228
JG002B
JG002E
Adapter
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.
JG002B
JG002E
JG002F
JG022
JG024A
JG153
JG176
JG185
Part No.
APJG002B00
APJG002E00
APJG002F00
APJG022000
APJG024A00
APJG153000
APJG176067
APJG185000
Parts Name
Adapter
Dial Torque Gauge (10~90gf•cm)
Dial Torque Gauge (60~600gf•cm)
Master Plane
Reel Disk Height Adjustment Jig
X Value Adjustment Screwdriver
Up-Date Disc
Tentelometer
Remarks
VSR Torque, Brake Torque (S Reel/T Reel Ass'y)
Brake Torque (T Reel Ass'y)
VSR Torque, Brake Torque (S Reel)
Reel Disk Height Adjustment
Reel Disk Height Adjustment
X Value Adjustment
Up-Date of the Firmware
Confirmation of Tape Tension on Playback
PREPARATION FOR SERVICING
1.
2.
3.
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.
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.)
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
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
340
341
342
343
344
345
501
502
503
504
505
506
507
508
509
510
AE005845
AE005846
AE005847
AE005848
AE005849
AE005850
AE005851
BZ710056
BZ710054
AE005540
CD1501 BZ614292
CD1502 BZ614339
H5001
H5002
!
!
M101
M2001
!
!
AE004714
AD301676
AE005552
AE005853
M2003 AE003673
UN4001 AE006680
AE004275
AE005842
BZ710531
BZ710532
BZ710533
BZ710534
BZ710535
BZ710536
BZ710537
BZ710538
BZ710092
BZ710093
BZ710366
BZ710762
BZ710540
BZ710541
BZ710763
BZ710543
BZ710544
AE005843
AE006675
AE005514
AE006679
BZ710193
BZ710515
AE005919
BZ710112
AE006676
BZ710517
AE005920
AE005836
AE005837
BZ710521
AE005838
AE005839
BZ710524
AE006677
BZ710552
BZ710106
AE006678
BZ710546
BZ710110
BZ710547
BZ710548
BZ710549
AE005844
Reference No.
810722680U
83ETW3000U
810722640U
810212060U
810912660U
810A13040U
810A12650U
82Q264713N
82P184505N
810722660U
122H071704
122Y021902
1523Q91004
1543Q02014
1596S98002
1510S98044
1589S11020
A2F401H500
85OP400549
85OA900233
85OP000496
85OP200316
85OP200317
85OP200308
85OP200311
85OP200312
85OP200313
85OP300194
85OP400490
85OP400492
85OP400520
85OP400542
85OP400533
85OP600573
85OP600584
85OP600577
85OP600578
85OP600585
A2G101H420A
85OA400245
85OP900759
85OP200290
85OP600581
85OP500091
85OP800324
85OA000529
85OA200089
85OA200092
85OA300068
85OA300070
85OA400223
85OA400249
85OA400248
85OA400231
85OA900236
85OP900745
85OP700035
85OP900756
85OP600582
85OP800322
85OP800360
85OP800355
85OP800356
85OP900754
Description
A2G101H420A
PINCH ROLLER BLOCK VA2
LEVER,FLAP(S)
WORM
MAIN CHASSIS ASS'Y(S)
ARM IDLER ASS'Y
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)
HOLDER,CAPSTAN
GEAR,IDLER
GEAR,CLUTCH
GEAR,COUPLING
LEVER,CLUTCH
LEVER,TENSION
HOLDER,TENSION
CAP.P4
BAND,TENSION
CONNECT,TENSION
CAM,MAIN
ROD,MAIN
GEAR,JOINT
SPRING,TENSION
SPRING,COUPLING
SPRING,RING
LEVER,LINK
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)
M2.6x8
3.0
M2.6x4
M2x6
M2.6x6
M3x4
M2.6x5
2.6x4.7xT0.13
POLYSLIDER 1.8x4.5xT0.5
SCREW,TAP TITE(S) BIND 2.6x6
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 D-VR4SU
CHASSIS REPLACEMENT PARTS LIST
Location No. TSB P/N
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
340
341
342
343
344
345
501
502
503
504
505
506
507
508
509
510
AE005845
AE005846
AE005847
AE005848
AE005849
AE005850
AE005851
BZ710056
BZ710054
AE005540
CD1501 BZ614292
CD1502 BZ614339
H5001
H5002
!
!
M101
M2001
!
!
AE004714
AD301676
AE005552
AE005853
M2003 AE006792
UN4001 AE006966
AE007221
AE005842
BZ710531
BZ710532
BZ710533
BZ710534
BZ710535
BZ710536
BZ710537
BZ710538
BZ710092
BZ710093
BZ710366
BZ710762
BZ710540
BZ710541
BZ710763
BZ710543
BZ710544
AE005843
AE006965
AE005514
AE006679
BZ710193
BZ710515
AE005919
BZ710112
AE006676
BZ710517
AE005920
AE005836
AE005837
BZ710521
AE005838
AE005839
BZ710524
AE006677
BZ710552
BZ710106
AE006678
BZ710546
BZ710110
BZ710547
BZ710548
BZ710549
AE005844
Reference No.
810722680U
83ETW3000U
810722640U
810212060U
810912660U
810A13040U
810A12650U
82Q264713N
82P184505N
810722660U
122H071704
122Y021902
1523Q91004
1543Q02014
1596S98002
1510S98044
1589S11025
A2G001H500
85OP400554
85OA900233
85OP000496
85OP200316
85OP200317
85OP200308
85OP200311
85OP200312
85OP200313
85OP300194
85OP400490
85OP400492
85OP400520
85OP400542
85OP400533
85OP600573
85OP600584
85OP600577
85OP600578
85OP600585
A2G001H420A
85OA400245
85OP900759
85OP200290
85OP600581
85OP500091
85OP800324
85OA000529
85OA200089
85OA200092
85OA300068
85OA300070
85OA400223
85OA400249
85OA400248
85OA400231
85OA900236
85OP900745
85OP700035
85OP900756
85OP600582
85OP800322
85OP800360
85OP800355
85OP800356
85OP900754
Description
A2G001H420A
PINCH ROLLER BLOCK VA2
LEVER,FLAP(S)
WORM
MAIN CHASSIS ASS'Y(S)
ARM IDLER ASS'Y
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)
HOLDER,CAPSTAN
GEAR,IDLER
GEAR,CLUTCH
GEAR,COUPLING
LEVER,CLUTCH
LEVER,TENSION
HOLDER,TENSION
CAP.P4
BAND,TENSION
CONNECT,TENSION
CAM,MAIN
ROD,MAIN
GEAR,JOINT
SPRING,TENSION
SPRING,COUPLING
SPRING,RING
LEVER,LINK
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)
M2.6x8
3.0
M2.6x4
M2x6
M2.6x6
M3x4
M2.6x5
2.6x4.7xT0.13
POLYSLIDER 1.8x4.5xT0.5
SCREW,TAP TITE(S) BIND 2.6x6
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 D-VR4SC
ELECTRICAL REPLACEMENT PARTS LIST
D-VR4SU
MFR'S VERSION A
REF. NO.
PART NO.
DESCRIPTION TSB P/N PART NO.
R3055 R803R9473J RC 47K OHM 1/16W AE001797
R3056 R803R9223J RC 22K OHM 1/16W AE001891
R3057 R803R9683J RC 68K OHM 1/16W AD302291
R3058 R803R9153J RC 15K OHM 1/16W AE002145
C3062 CS0PB0NH6K CC 2.2 UF 10V B AE007258
C3063 E50HU1330M CE 33 UF 10 V AE001769
C3064 E50HU53R3M CE 3.3 UF 50V BZ110217
Q3008 T8YJ2412K0
TRANSISTOR SILICON
2SC2412KT146 R,S
AE002626
Q3009 TNYJC05001
COMPOUND TRANSISTOR
DTC124EKAT146
Q3010 TPYJC05001
COMPOUND TRANSISTOR
DTA124EKAT146
IC3001
PCB010
I54F50154A IC OEC0154A
A2G101H010
VCR PCB ASS'Y(VERSION A)
DME030A
BZ510021
BZ510026
MFR'S VERSION B
DESCRIPTION
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
AE006611 I54F50154B IC OEC0154B
AE006595 A2G101H010
VCR PCB ASS'Y(VERSION B)
DME030A
All parts are not interchangeable between version.
TSB P/N CAUSE
MICON VERSION UP.
AE006595
D-VR4SC
MFR'S VERSION A
REF. NO.
PART NO.
DESCRIPTION TSB P/N PART NO.
R3055 R803R9473J RC 47K OHM 1/16W AE001797
R3056 R803R9223J RC 22K OHM 1/16W AE001891
R3057 R803R9683J RC 68K OHM 1/16W AD302291
R3058 R803R9153J RC 15K OHM 1/16W AE002145
C3062 CS0PB0NH6K CC 2.2 UF 10V B AE007258
C3063 E50HU1330M CE 33 UF 10 V AE001769
C3064 E50HU53R3M CE 3.3 UF 50V BZ110217
Q3008 T8YJ2412K0
TRANSISTOR SILICON
2SC2412KT146 R,S
AE002626
Q3009 TNYJC05001
COMPOUND TRANSISTOR
DTC124EKAT146
Q3010 TPYJC05001
COMPOUND TRANSISTOR
DTA124EKAT146
IC3001
PCB010
I54F50154A IC OEC0154A
A2G103H010
VCR PCB ASS'Y(VERSION A)
DME030A
BZ510021
BZ510026
MFR'S VERSION B
DESCRIPTION
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
DELETE
AE006611 I54F50154B IC OEC0154B
AE007260 A2G103H010
VCR PCB ASS'Y(VERSION B)
DME030A
All parts are not interchangeable between version.
TSB P/N CAUSE
MICON VERSION UP.
AE007260
TOSHIBA CORPORATION
1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN

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