toshiba w425 Service Manual

FILE NO. 140-200123

SERVICE MANUAL

VIDEO CASSETTE RECORDER

W425

SERVICING NOTICES ON CHECKING

1. KEEP THE NOTICES 3. PUT PARTS AND WIRES IN THE

As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis and parts. Make sure to keep the indications and notices in the operation manual.

2. USE THE DESIGNATED PARTS

The parts in this equipment have the specific characters of incombustibility and withstand voltage for safety. Therefore, the part which is replaced should be used the part which has the same character. Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark, the designated parts must be used.

ORIGINAL POSITION AFTER ASSEMBLING OR WIRING

There are parts which use the insulation material such as a tube or tape for safety, or which are assembled in the condition that these do not contact with the printed board. The inside wiring is designed not to get closer to the pyrogenic parts and high voltage parts. Therefore, put these parts in the original positions.

PERFORM A SAFETY CHECK AFTER

4. SERVICING

Confirm that the screws, parts and wiring which were removed in order to service are put in the original positions, or whether there are the portions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades. And be sure the safety of that.

HOW TO ORDER PARTS

Please include the following informations when you order parts. (Particularly the VERSION LETTER.)

1. MODEL NUMBER and VERSION LETTER The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be

found at the end of the SERIAL NUMBER.

2. PART NO. and DESCRIPTION You can find it in your SERVICE MANUAL.

A1-1

SERVICING NOTICES ON CHECKING.....................................................................................

HOW TO ORDER PARTS ..........................................................................................................

CONTENTS .................................................................................................................................

GENERAL SPECIFICATIONS....................................................................................................

DISASSEMBLY INSTRUCTIONS

1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS............................................

2. REMOVAL OF DECK PARTS............................................................................................

3. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ...............................................

KEY TO ABBREVIATIONS ........................................................................................................

SERVICE MODE LIST ................................................................................................................

PREVENTIVE CHECKS AND SERVICE INTERVALS..............................................................

SERVICING FIXTURES AND TOOLS .......................................................................................

PREPARATION FOR SERVICING.............................................................................................

MECHANICAL ADJUSTMENTS ................................................................................................

ELECTRICAL ADJUSTMENTS..................................................................................................

BLOCK DIAGRAMS

Y/C/AUDIO/CCD/HEAD AMP .................................................................................................

SYSTEM CONTROL/SERVO..................................................................................................

TUNER.....................................................................................................................................

OPERATION/POWER..............................................................................................................

PRINTED CIRCUIT BOARDS

SYSCON/OPERATION ...........................................................................................................

SCHEMATIC DIAGRAMS

Y/C/AUDIO/CCD/HEAD AMP .................................................................................................

SYSTEM CONTROL/SERVO..................................................................................................

POWER ...................................................................................................................................

OPERATION............................................................................................................................

TUNER ....................................................................................................................................

INTERCONNECTION DIAGRAM............................................................................................

WAVEFORMS .............................................................................................................................

MECHANICAL EXPLODED VIEW .............................................................................................

CHASSIS EXPLODED VIEWS ...................................................................................................

MECHANICAL REPLACEMENT PARTS LIST .........................................................................

CHASSIS REPLACEMENT PARTS LIST..................................................................................

ELECTRICAL REPLACEMENT PARTS LIST...........................................................................

A1-1 A1-1 A2-1 A3-1~A3-5

B1-1 B2-1~B2-6 B3-1, B3-2 C1-1, C1-2 C2-1 C3-1 D1-1 D1-1 D2-1~D2-4 D3-1, D3-2

E-1, E-2 E-3, E-4 E-5, E-6 E-7, E-8

F-1~F-4

G-1, G-2 G-3, G-4 G-5, G-6 G-7, G-8 G-9, G-10 G-11, G-12 H-1 I1-1 I2-1, I2-2 J1-1 J2-1, J2-2 J3-1, J3-2

A2-1

GENERAL SPECIFICATIONS

G-1 VCR System VHS Player / Recorder

System Video System NTSC

Hi-Fi STEREO No NTSC PB(PAL60Hz) No Deck DECK OVD-7

Loading System Front Motor 3

Heads Video Head 4Head

FM Audio Head No

Normal Audio /Control Mono / Yes

Erase(Full Track Erase) Yes Tape Rec PAL Speed NTSC SP/SLP

Play PAL -

NTSC SP/LP/SLP

Fast Forward / Rewind Time (Approx.) FF:4'50"/REW:2'30"

with Cassette T-120 Forward/Reverse NTSC or PAL-M SP/LP/SLP=3x,5x/7x,9x/9x,15x Picture Search PAL or SECAM Frame Advance 1/10 Slow Speed 1/10

G-2 Tuning Broadcasting System US System M

System Tuner and System 1Tuner

Receive CH Destination USA(w/CATV)

Tuning System F-Synth Input Impedance VHF/UHF 75 OHM CH Coverage

Intermediate Picture(FP) 45.75MHz Frequency Sound(FS) 41.25MHz

FP-FS 4.50MHz Preset CH No RF Converter Output Yes

Channel 3 or 4 ch Level/Impedance 66dBu /75ohm Sound Selector No

Stereo/Dual TV Sound No

G-3 Power Power Source AC 120V,60Hz

DC Power Consumption Power On(at AC) 8W at 120V 60Hz

Stand by (at AC) 1.8W at 120V 60Hz

Per Year - kWh/Year Protector Power Fuse Yes

Dew Sensor No

G-4 Regulation Safety UL

Radiation FCC

G-5 Temperature Operation 5oC - 40oC

Storage -20oC - 60oC

G-6 Operating Humidity Less then 80% RH G-7 Signal Video Signal Input Level 1 V p-p/75 ohm

Output Level 1 V p-p/75 ohm

S/N Ratio (Weighted) 50

Horizontal Resolution at SP Mode 230Line Audio Signal Input Level -8dBm/50Kohm

(0dB=0.775Vrms) Output Level -8dBm/1Kohm

S/N Ratio at SP (Weighted) 42dB

Harmonic Distortion (1KHz) 1.5%

Frequency Response at SP 100Hz - 10kHz

at LP 100Hz - 6kHz

at SLP 100Hz - 4kHz

Hi-Fi Audio Signal Dynamic Range : More than -

Frequency Response -

Wow And Flutter : Less than -

Channel Separation : More than -

Harmonic Distortion : Less than -

2-69,4A,A-5~ A-1,A~I, J~ W W+1~W+84

A3-1

GENERAL SPECIFICATIONS

Play/S

/FF/Rew/Rec/OTR/T-Rec/P

/Ej

)

Clock/C

OTR, Pl

ec,FF(Cue),Rew(Rev),Stop,

G-8 On Screen Menu Yes

Display Menu Type Character

ATS No Timer Rec Set Yes Auto Repeat On/Off Yes SAP On Off No CH Set-Up Yes

TV/CATV Yes

Auto CH Memory Yes

Add/Delete Yes

Pin Code Registration No System Set-Up No Clock Set Yes (Calendar 12H) Language Yes

No Noise Back Ground Yes G-CODE(or SHOWVIEW or PLUSCODE)No. Entry No NICAM 1/2,NICAM Off,Audio Output No Stereo,Audio Output,SAP No

top

G-9 OSD Language English French Spanish G-10 Clock,Timer Calendar 1990/1/1 ~ 2081/12/31

and Timer Timer Events 8 prog/1 month Back-up One Touch Recording Max Time 5 Hours

OTPB Valid Time No Timer Back-up (at Power Off Mode) 5 sec.

G-11 Display Indicator No

Indicator Type -

ounter,CH,Timer Rec,

ause

Mark

CH/AV Yes Clock Yes Repeat Yes Pin Code No Tape Counter Yes Index No Hotel Lock No Tape Speed Yes ATR/Manual Tracking Yes Hi-Fi No S-Repeat/SR-R/SR-Play No VPS No PDC No

Pause Still Eject(Tape Mark Flash) Slow WKL,Y.M.D,Start,End AFT Repeat A-DUB VCR Memory Index VPS PDC SP LP SLP AM PM -

F1,F2 RF Output CH -

Tape In

ect/Tape In (Symbo

ATR

Yes

A3-2

GENERAL SPECIFICATIONS

G-12 Remote Unit RC-EA

Control Glow in Dark Remocon No

Power Source Voltage(D.C) 3V

UM size x pcs UM-4 x 2 pcs Total Keys 32 Keys Keys Power Yes

1 Yes

2 Yes

3 Yes

4 Yes

5 Yes

6 Yes

7 Yes

8 Yes

9 Yes

0 Yes

CH Up Yes

CH Down Yes

Input Select Yes

Play Yes

F.Fwd Yes

Rew Yes

Pause/Still Yes

Stop Yes

Rec/OTR Yes

Eject No

Counter Reset Yes

Speed Yes

Timer Rec Yes

TV Monitor No

Quick View No

Program No

Slow Yes

Auto Tracking Yes

Set/Tracking+ Yes

Set/ Tracking - Yes

Menu Yes

Enter Yes

Cancel Yes

Call Yes

TV/VCR Yes

Sleep Timer No

Muting No

Clock/Counter No

Zero Return No

CM Skip No

Audio Select No

G-13 Features Auto Head Cleaning No

Auto Tracking Yes Index Search No HQ (VHS Standard High Quality) Yes Auto Power On, Auto Play, Auto Rewind, Auto Eject Yes Auto Power Off Yes Forward/Reverse Picture Search Yes VIDEO PLUS+(SHOWVIEW,G-CODE) No ATS No PDC No VPS No One Touch Playback No Picture Control No Auto CH Memory Yes Channel Lock No Auto Clock No Anti Theft No Audio Dubbing No Remort Control Code 1/2 No SQPB Yes CATV Yes Energy Star Yes MTS(SAP) No CM Skip(30sec x 6 Times) No

A3-3

GENERAL SPECIFICATIONS

G-14 Accessories Owner's Manual Language English

w/Guarantee Card Yes Remote Control Unit Yes Dew Cation Sheet No Video Cassette Tape No Battery Yes

UM size x pcs UM 4 x 2 pcs Security Tag Yes Toll Free Insert Sheet No Quick Set-Up Sheet No Information Sheet (Buyer Supply) No 75 Ohm Coaxial Cable Yes(Single shield) Rod Antenna No

Poles

Terminal Loop Antenna No

Terminal U/V Mixer No DC Car Cord (Center+) No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safeguard No Dew/AHC Caution Sheet No AC Plug Adapter No Quick Set-up Sheet No AC Cord No AV Cord No Registration Card Yes E.S.P. Sheet Yes Tape Rewinder(Buyer Supply) No 300 ohm to 75 ohm Antenna Adapter No

G-15 Interface Switch Front Power Yes

Play Yes

Pause/Still No

System Select No

One Touch Playback No

Channel Up Yes

Channel Down Yes

F.FWD/Cue Yes

Eject/Stop Yes

Main Power SW No

Volume Up No

Volume Down No

Rew/Rev Yes

Rec/OTR Yes

Rear RF Output SW No

Indicator Power Yes(RED)

Stand by No

Rec/OTR No

Repeat No

TV/VCR Yes(RED)

Rec Yes(RED)

T-Rec Yes(RED)

Tape In No Terminals Front Video Input RCA x 1

Audio Input RCA x 1

Other Terminal No

Rear Video Input RCA x 1

Audio Input RCA x 1

Video Output RCA x 1

Audio Output RCA x 1

Euro Scart No

DC Jack 12V(Center +) No

VHF/UHF Antenna Input/Output F Type

AC Inlet No

G-16 Set Size Approx. W x D x H (mm) 360 x 229 x 95 G-17 Weight Net (Approx.) 3.2kg(7.1lbs)

Gross (Approx.) 3.8kg(8.4lbs)

A3-4

GENERAL SPECIFICATIONS

G-18 Carton Master Carton No

Content -

Material -

Dimensions W x D x H(mm) -

Description of Origin -

Gift Box Yes

Material Single/Full Color

Dimensions W x D x H(mm) 420x291x160

Design As Per BUYER 's

Description of Origin Yes

Drop Test Natural Dropping At 1Corner / 3Edges / 6Surfaces

Height (cm) 80

Container Stuffing(40' container) 3,136Sets

G-19 Cabinet Material Cabinet Front PS 94V2 DECABROM

A3-5

DISASSEMBLY INSTRUCTIONS

1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS

1-1: TOP CABINET, FRONT CABINET AND

OPERATION PCB (Refer to Fig. 1-1)

Remove the 4 screws 1.

Remove the Top Cabinet in the direction of arrow (A).

Disconnect the following connector: (CP651).

Unlock the 7 supports 2.

Remove the Front Cabinet in the direction of arrow (B).

Remove the 4 screws 3 and remove the Operation PCB.

Top Cabinet

(A)

Front Cabinet

(B)

Operation PCB

1-2: FLAP (Refer to Fig. 1-2)

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).

Fig. 1-1

1-3: DECK CHASSIS (Refer to Fig. 1-3)

Remove the 3 screws 1.

1. Disconnect the following connectors: (CP1001, CP4001,

2. CP4002 and CP4003). Remove the Deck Chassis in the direction of arrow.

Deck Chassis

Bottom Plate

Fig. 1-3

1-4: SYSCON PCB (Refer to Fig. 1-4)

Remove the 2 screws 1.

Remove the screw 2.

Remove the Syscon PCB in the direction of arrow.

(C)

(B)

(A)

Flap

Fig. 1-2

Syscon PCB

Bottom Plate

Fig. 1-4

B1-1

DISASSEMBLY INSTRUCTIONS

2. REMOVAL OF DECK PARTS

2-1: TOP BRACKET (Refer to Fig. 2-1)

Extend the 2 supports 1.

1. Slide the 2 supports 2 and remove the Top Bracket.

NOTE

1. After the installation of the Top Bracket, bend the support 1 so that the Top Bracket is fixed.

Top Bracket

Main Chassis

2-2: CASSETTE HOLDER ASS'Y (Refer to Fig. 2-2)

Move the Cassette Holder Ass'y to the front side.

1. Push the Locker R to remove the Cassette Side R.

2. Remove the Cassette Side L.

Main Chassis

Cassette Side R

Fig. 2-1

Locker R

NOTE

1.2.In case of the Locker R installation, check if the two positions of Fig.2-3-B are correctly locked. When you install the Cassette Side R, be sure to move the Locker R after installing.

Locker R

Check if these

Cassette Side R

positions are locked.

Fig. 2-3-B

2-4: LINK UNIT (Refer to Fig. 2-4)

Set the Link Unit to the Eject position.

1. Unlock the support 1.

2. Remove the (A) side of the Link Unit first, then remove

3. the (B) side.

Main Chassis

Link Unit

Cassette Side L

Main Chassis

Fig. 2-2

2-3: CASSETTE SIDE L/R (Refer to Fig. 2-3-A)

Remove the Locker Spring.

1. Unlock the 4 supports 1 and then remove the Cassette

2. Side L/R. Unlock the support 2 and then remove the Locker R.

Locker Spring

Cassette Holder

Locker R

(A)

(B)

Link Unit

Main Chassis

2-5: LINK LEVER/FLAP LEVER (Refer to Fig. 2-5)

Extend the support 1.

1. Remove the Link Lever.

2. Remove the Flap Lever.

Flap Lever

Link Lever

Fig. 2-4

Fig. 2-5

Cassette Side R

Cassette Side L

Fig. 2-3-A

B2-1

DISASSEMBLY INSTRUCTIONS

2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A)

Remove the screw 1.

1. Remove the Loading Motor.

2. Remove the Worm.

Loading Motor

Worm

Main Chassis

• Screw Torque: 3 ± 0.5kgf•cm

Fig. 2-6-A

NOTE

1.2.In case of the Worm installation, check if the value of the Fig. 2-6-B is correct. In case of the Loading Motor installation, hook the wire on the Cassette Opener as shown Fig. 2-6-C.

Tension Arm Ass'y

Tension Connect

Tension Spring

Tension Holder

Fig. 2-7-A

Tension Band

Tension Arm Ass'y

Fig. 2-7-B

19.2 ± 0.1mm

Safety surface for pressing of the insert.

Loading Motor

Cassette Opener

Fig. 2-6-B

Fig. 2-6-C

2-7: TENSION ASS'Y (Refer to Fig. 2-7-B)

Turn the Pinch Roller Cam clockwise so that the

1. Tension Holder hook is set to the position of Fig. 2-7-A to move the Tension Arm Ass'y. Remove the Tension Spring.

2. Unlock the 2 supports 1 and remove the Tension

3. Band. Unlock the support 2 and remove the Tension Arm

4. Ass'y. Unlock the support 3 and remove the Tension

5. Connect. Float the hook 4 and turn it clockwise then remove the

6. Tension Holder.

B2-2

NOTE

In case of the Tension Band installation, note the direction of the installation. (Refer to Fig. 2-7-C)

In case of the Tension Band installation, install correctly as Fig. 2-7-D.

In case of the Tension Connect installation, install as the circled section of Fig. 2-7-E.

Tension Connect

Tension Band

Fig. 2-7-C

[OK]

[NG]

Tension Connect

Tension Band

Fig. 2-7-D

Tension Connect

Main Chassis

Fig. 2-7-E

DISASSEMBLY INSTRUCTIONS

2-8: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-8-A)

Remove the T Brake Spring.

1. Turn the T Brake Arm clockwise and bend the hook

2. section to remove it. Unlock the 2 supports 1 and remove the T Brake

3. Band.

Idler Gear

S Reel

Idler Arm Ass'y

(B)

T Brake Band

Hook section

T Brake Arm

T Brake Spring

Fig. 2-8-A

NOTE

1. In case of the T Brake Band installation, install correctly as Fig. 2-8-B.

[OK]

T Brake Band

[NG]

T Brake Band

T Brake Arm

(A) T Reel

(A)

Fig. 2-9-A

NOTE

1.2.In case of the S Reel and T Reel installation, check if the correct parts are installed. (Refer to Fig. 2-9-B) In case of the Idler Arm Ass'y installation, install correctly as Fig. 2-9-C. And also set it so that the section "B" of Fig. 2-9-A is placed under the Main Chassis tab.

Fig. 2-8-B

2-9: S REEL/T REEL/IDLER ARM ASS'Y/IDLER GEAR

(Refer to Fig. 2-9-A)

Remove the S Reel and T Reel.

1. Remove the 2 Polyslider Washers 1.

2. Remove the Idler Arm Ass'y and Idler Gear.

NOTE

Take care not to damage the gears of the S Reel and T

1. Reel. The Polyslider Washer may be remained on the back of

2. the reel. Take care not to damage the shaft.

3. Do not touch the section "A" of S Reel and T Reel. (Use

4. gloves.) (Refer to Fig. 2-9-A) Do not adhere the stains on it. When you install the reel, clean the shaft and grease it.

5. (If you do not grease, noise may be heard in FF/REW mode.) After installing the reel, adjust the height of the reel.

(Refer to MECHANICAL ADJUSTMENT)

[OK]

[NG]

Clutch Gear

Big Hole (S Reel)

Small Hole (T Reel)

Fig. 2-9-B

Idler Arm Ass'y

Fig. 2-9-C

B2-3

DISASSEMBLY INSTRUCTIONS

2-10: CASSETTE OPENER/PINCH ROLLER BLOCK/

P5 ARM ASS'Y (Refer to Fig. 2-10-A)

Unlock the support 1 and remove the Cassette

1. Opener. Remove the Pinch Roller Block and P5 Arm Ass'y.

Cassette Opener

Pinch Roller Block

P5 Arm Ass'y

Main Chassis

Fig. 2-10-A

NOTE

Do not touch the Pinch Roller. (Use gloves.)

1. In case of the Pinch Roller Block and the Pinch Roller

2. Cam installation, install correctly as Fig. 2-10-B.

Pinch Roller Block

P5 Arm Ass'y

Can be seen the hole of the Main Cam.

Can be seen the hole of the Pinch Roller Cam.

Fig. 2-10-B

2-11: A/C HEAD (Refer to Fig. 2-11-A)

Remove the screw 1.

1. Remove the A/C Head Base.

2. Remove the 3 screws 2.

3. Remove the A/C Head and A/C Head Spring.

NOTE

Do not touch the A/C Head. (Use gloves.)

When you install the A/C Head Spring, install as shown in Fig. 2-11-B.

When you install the A/C Head, tighten the screw (1) first, then tighten the screw (2), finally tighten the screw (3).

(3)

(1)

(2)

A/C Head

A/C Head Spring

Spring Position

Fig. 2-11-B

2-12: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-12)

Remove the screw 1.

1. Remove the FE Head.

FE Head

• Screw Torque: 5 ± 0.5kgf•cm

• The FE Head is not installed on the Video Cassette Player.

Fig. 2-12

2-13: AHC ASS'Y/CYLINDER UNIT ASS'Y

(Refer to Fig. 2-13)

Disconnect the following connector:

1. (CD2001) Remove the 3 screws 1.

2. Remove the Cylinder Unit Ass'y.

NOTE

When you install the Cylinder Unit Ass'y, tighten the

1. screws from (1) to (3) in order while pulling the Ass'y toward the left front direction.

Cylinder Unit Ass'y

(3)

(2)

Fig. 2-13

• Screw Torque: 3 ± 0.5kgf•cm

(1)

• Screw Torque: 5 ± 0.5kgf•cm (Screw 1)

A/C Head Base

Fig. 2-11-A

B2-4

DISASSEMBLY INSTRUCTIONS

2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14-A)

Remove the Capstan Belt.

1. Remove the 3 screws 1.

2. Remove the Capstan DD Unit.

2-15:

MAIN CAM/PINCH ROLLER CAM/JOINT GEAR (Refer to Fig. 2-15-A)

Remove the E-Ring 1, then remove the Main Cam.

1. Remove the E-Ring 2, then remove the Pinch Roller

2. Cam and Joint Gear.

Capstan Belt

Capstan DD Unit

• Screw Torque: 4 ± 0.5kgf•cm

Fig. 2-14-A

NOTE

In case of the Capstan DD Unit installation, apply the

1. silicon bond (TSE3843-W) on the position Fig. 2-14-B correctly. (If no silicon bond applied, abnormal noise will be heard on the deck operation.)

(Refer to Fig. 2-14-B, C)

Applied position of silicon bond

Main Cam

Pinch Roller Cam

Joint Gear

Fig. 2-15-A

NOTE

In case of the Pinch Roller Cam and Main Cam

1. installation, install them as the circled section of Fig. 215-B so that the each markers are met. (Refer to Fig.

2-15-B)

Pinch Roller Cam

Marker

Capstan DD Unit

Be careful not to apply the silicon bond to the Pinch Roller.

Fig. 2-14-B

Silicon Bond

Main Chassis

Fig. 2-14-C

Main Cam

Fig. 2-15-B

2-16: LOADING GEAR S/T UNIT (Refer to Fig. 2-16-A)

1.2.Remove the E-Ring 1 and remove the Main Loading Gear. Remove the Main Rod, Tension Lever, Loading Arm S Unit and Loading Arm T Unit.

Main Rod

Tension Lever

Main Loading Gear

Loading Arm T Unit

Loading Arm S Unit

B2-5

Fig. 2-16-A

DISASSEMBLY INSTRUCTIONS

NOTE

When you install the Loading Arm S Unit, Loading Arm

1. T Unit and Main Loading Gear, align each marker.

(Refer to Fig. 2-16-B)

Marker

Main Loading Gear

Marker

CASSETTE GUIDE POST/INCLINED BASE S/T

2-18:

UNIT/P4 CAP (Refer to Fig. 2-18-A)

Remove the P4 Cap.

1. Unlock the support 1 and remove the Cassette Guide

2. Post. Remove the Inclined Base S Unit and Inclined Base T

3. Unit.

Cassette Guide Post

Loading Arm T Unit

2-17:

CLUTCH ASS'Y/RING SPRING/CLUTCH LEVER/

Loading Arm S Unit

CLUTCH GEAR (Refer to Fig. 2-17-A)

Remove the Polyslider Washer 1.

1. Remove the Clutch Ass'y and Ring Spring.

2. Remove the Clutch Lever.

3. Remove the Coupling Gear, Coupling Spring and

4. Clutch Gear.

Clutch Ass'y

Ring Spring

Coupling Gear

Coupling Spring

Clutch Lever

Fig. 2-16-B

Inclined Base S Unit

Inclined Base T Unit

P4 Cap

Fig. 2-18-A

NOTE

Do not touch the roller of Guide Roller.

1. In case of the P4 Cap installation, install it with parallel

2. for "A" and "B" of Fig. 2-18-B. In case of the Cassette Guide Post installation, install

3. correctly as the circled section of Fig. 2-18-C.

"A"

"B"

Clutch Gear

Fig. 2-17-A

NOTE

In case of the Clutch Ass'y installation, install it with

1. inserting the spring of the Clutch Ass'y into the dent of the Coupling Gear. (Refer to Fig. 2-17-B)

Clutch Ass'y

Coupling Gear

Fig. 2-17-B

B2-6

P4 Cap

[OK]

Cassette Guide Post

[NG]

Cassette Guide Post

Cassette Opener

Fig. 2-18-B

Fig. 2-18-C

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