Toshiba Dvr4xsu Owners Manual

GENERAL SPECIFICATIONS
G-17 InterfaceSwitch Front Power Yes
Play Yes
Eject (VCR) Yes
Stop Yes
Rec / OTR Yes
Open / Close (DVD) Yes
CH + Yes
CH - Yes
FF / Search(>>) Yes
Rew / Search(

DISASSEMBLY INSTRUCTIONS
B1-1 D-VR4XSU/D-VR4XSC
1.
1-1:
REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
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:
(CP652, CP654, CP655).
Unlock the 8 supports 2.
Remove the Front Cabinet in the direction of arrow (B).
Fig. 1-1
1
1
1 1
(A)
2(B)
1
Top Cabinet
Front Cabinet
2 2
2
2
2
Fig. 1-3
(A)
Flap (B) (C)
2
2
2
1.
2.
3.
4.
5.
6.
7.
8.
9.
10....

DISASSEMBLY INSTRUCTIONS
B1-2 D-VR4XSU/D-VR4XSC 1-5: POWER PCB (Refer to Fig. 1-5)
1.
2.
3.
4.
5.
6.Remove the 2 screws 1.
Disconnect the following connector: (CP506).
Remove the Fan Motor in the direction of arrow (A).
Remove the 3 screws 2.
Disconnect the following connector: (CP1702).
Remove the Power PCB in the direction of arrow (B).
Fig. 1-5
1-7: VCR PCB (Refer to Fig. 1-7)
1.
2.
3.
4.Remove the screw 1.
Remove the screw 2.
Remove the 7 screws 3.
Remove the VCR PCB in the direction of arrow.
1-6:...

DISASSEMBLY INSTRUCTIONS
B2-1 D-VR4XSU/D-VR4XSC
2. REMOVAL OF VCR DECK PARTS
2-1: TOP BRACKET (Refer to Fig. 2-1)
Extend the 2 supports 1.
Slide the 2 supports 2 and remove the Top Bracket. 1.
2.
2-2: CASSETTE HOLDER ASSY (Refer to Fig. 2-2)
Move the Cassette Holder Assy to the front side.
Push the Locker R to remove the Cassette Side R.
Remove the Cassette Side L. 1.
2.
3.
Fig. 2-1
2 2
Main Chassis Main Chassis
Top Bracket
Top Bracket
Main Chassis
Main Chassis
Cassette Side LCassette Side R Locker R...

DISASSEMBLY INSTRUCTIONS
B2-2 D-VR4XSU/D-VR4XSC
2-5: LOADING MOTOR/WORM (Refer to Fig. 2-5-A)
1.
2.
3.Remove the screw 1.
Remove the Loading Motor.
Remove the Worm.
Fig. 2-5-A
Loading Motor
Worm
• Screw Torque: 3 ± 0.5kgf•cm Main Chassis
1
NOTE
1.
2.
3.In case of the Worm installation, check if the value of the
Fig. 2-5-B is correct.
In case of the Loading Motor installation, hook the wire on
the Cassette Opener as shown Fig. 2-5-C.
When installing the wires between Capstan DD Unit and
Loading Motor,...

DISASSEMBLY INSTRUCTIONS
B2-3 D-VR4XSU/D-VR4XSC
Fig. 2-6-D [OK]
[NG]
Tension Connect
Tension Band
Tension Connect
Tension Band
Fig. 2-6-E
Tension Connect
Main Chassis
2-7: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-7-A)
Remove the T Brake Spring.
Turn the T Brake Arm clockwise and bend the hook
section to remove it.
Unlock the 2 supports 1 and remove the T Brake Band. 1.
2.
3.
Fig. 2-7-A
T Brake Band
Hook section
T Brake Arm
T Brake Spring
1
1
NOTE
1. In case of the T Brake Band installation, install...

DISASSEMBLY INSTRUCTIONS
B2-4 D-VR4XSU/D-VR4XSC
2-9: CASSETTE OPENER/PINCH ROLLER BLOCK/P5
ARM ASS’Y (Refer to Fig. 2-9-A)
1.
2.Unlock the support 1 and remove the Cassette Opener.
Remove the Pinch Roller Block and P5 Arm Ass’y.
Fig. 2-9-A
Cassette Opener1
Pinch Roller Block
P5 Arm Ass’y
Main Chassis
NOTE
1.
2.Do not touch the Pinch Roller. (Use gloves.)
In case of the Pinch Roller Block and the Pinch Roller
Cam installation, install correctly as Fig. 2-9-B.
Fig. 2-9-B
Pinch Roller Block
Can be seen the...

DISASSEMBLY INSTRUCTIONS
B2-5 D-VR4XSU/D-VR4XSC
2-14: MAIN CAM/PINCH ROLLER CAM/JOINT GEAR
(Refer to Fig. 2-14-A)
1.
2.Remove the E-Ring 1, then remove the Main Cam.
Remove the E-Ring 2, then remove the Pinch Roller
Cam and Joint Gear.
Fig. 2-14-A
1
Main Cam
Pinch Roller Cam
Joint Gear
2
NOTE
1. In case of the Pinch Roller Cam and Main Cam installa-
tion, install them as shown in the circled section of Fig. 2-
14-B so that the markers meet. (Refer to Fig. 2-14-B)
And also can be seen the Main Chassis...

DISASSEMBLY INSTRUCTIONS
B2-6 D-VR4XSU/D-VR4XSC
1
Clutch Ass’y
Ring Spring
Clutch Lever Coupling Gear
Coupling Spring
Clutch Gear
NOTE
1. When you install the Loading Arm S Unit, Loading Arm T
Unit and Main Loading Gear, align each marker. (Refer
to Fig. 2-15-B)
Fig. 2-15-B
Marker Main Loading Gear
Loading Arm T Unit Loading Arm S UnitMarker
2-16: CLUTCH ASS’Y/RING SPRING/CLUTCH LEVER/
CLUTCH GEAR (Refer to Fig. 2-16-A)
1.
2.
3.
4.Remove the Polyslider Washer 1.
Remove the Clutch Ass’y and Ring Spring....

DISASSEMBLY INSTRUCTIONS
B3-1 D-VR4XSU/D-VR4XSC
3. REMOVAL AND INSTALLATION OF FLAT
PACKAGE IC
REMOVAL
1. Put Masking Tape (cotton tape) around the Flat Package
IC to protect other parts from any damage.
(Refer to Fig. 3-1.)
NOTE
Masking is carried out on all the parts located within
10 mm distance from IC leads.
Fig. 3-1
Masking Tape
(Cotton Tape)IC
2. Heat the IC leads using a blower type IC desoldering
machine. (Refer to Fig. 3-2.)
NOTE
Do not rotate or move the IC back and forth , until IC
can move...