MEMOREX MVR2040A Service Manual

MVR2040A

SERVICE MANUAL

VIDEO CASSETTE RECORDER

ORIGINAL

MFR’S VERSION A

Design and specifications are subject to change without notice.

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

CONTENTS

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 ............................................................................................

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

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

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

NOTE FOR THE REPLACING OF MEMORY IC .......................................................................

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

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

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

ELECTRICAL ADJUSTMENT ....................................................................................................

BLOCK DIAGRAMS

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

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

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

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

PRINTED CIRCUIT BOARDS

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

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

SCHEMATIC DIAGRAMS

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

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

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

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

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

DECK .......................................................................................................................................

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~A3-6

B1-1 B2-1~B2-5 C1-1, C1-2 C2-1 C3-1, C3-2 C4-1 C5-1 C5-1 D1-1~D1-4 D2-1, D2-2

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

F-1, F-2 F-3, 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 G-13, G-14 H-1 I-1 I-2, I-3 J1-1 J2-1 J3-1, J3-2

A2-1

GENERAL SPECIFICATIONS

G-1. Outline of the Product

3 -Speed 1/2" Video Cassette Recorder

G-2. VCR Format

VHS Standard NTSC PAL SECAM PAL-M PAL-N

VHS Hi-Fi Audio System

G-3. Video Recording System : Rotary,slant azimuth two head helical scan system

Luminance Component : FM recording Chrominance Component: Low frequency converted direct recording

G-4. Broadcasting System

US System M G-5. Color System NTSC PAL SECAM or Monochrome G-6. NTSC Playback(PAL60Hz) Yes No G-7. MESECAM Yes No

G-8. Cassette Tape

VHS type video cassette tape Width 12.65mm (1/2 Inch) VHS-C type video cassette tape Width 12.65mm (1/2 Inch)

G-9. Tape Speed

NTSC or PAL-M PAL or SECAM

S P 33.35 mm/sec S P 23.39 mm/sec LP 16.67 mm/sec LP 11.69 mm/sec SL P 11.12 mm/sec

G-10. Recording/Playback Time

NTSC or PAL-M

at SP Mode Max. 210 min. (with T-210 cassette) at LP Mode Max. 420 min. (with T-210 cassette) at SLP Mode Max. 630 min. (with T-210 cassette)

PAL or SECAM

at SP Mode Max. 300 min. (with E-300 cassette) at LP Mode Max. 600 min. (with E-300 cassette)

G-11.Deck

OVD-5 OVD-6 OVD-6S OVD-6S(Vertical)

G-12.Rewind/Fast Forward Time(Approx.)

FF:1' 48" / Rew:1' 48" (with T-120 cassette)

G-13.Search Speed

S P 3 and 5 Times LP 7 and 9 Times SLP 9 and 15 Times

G-14.Slow Speed

S P 1/5 ~ 1/30 Times LP 1/5 ~ 1/30 Times SLP 1/5 ~ 1/30 Times

G-15.Frame Advance

S P 1/10 Times LP 1/10 Times SLP 1/10 Times

G-16.Antenna Input Impedance

VHF/UHF 75 ohm unbalanced

(with E-180 cassette)

A3-1

GENERAL SPECIFICATIONS

G-17.Tuner and Receiving Channel

Tuner: Contactless Electric Tuner

Oscar(W/O HYPER) Oscar(W/ HYPER) France CATV Others

Channel coverage

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

Tuning System

Frequency syn. Voltage syn. Others

G-18.Preset Channel

No -- channels Allocation ch ~ ch ch ~ ch ch ~ ch

G-19.Intermediate Frequency

Picture(FP) 45.75 MHz MHz MHz Sound (FS) 41.25 MHz MHz MHz FP-FS 4.50 MHz MHz MHz

G-20.RF Converter Output

Channel 3 or 4 ch. ~ Level/Impedance 66 dBµ / 75 ohm Sound Selector Yes( G I K) No

G-21.Stereo/Dual TV Sound

Yes( NICAM GERMAN USA JAPAN) No

G-22.Video Signal

Input Level 1 Vp-p / 75 ohm Output Level 1 Vp-p / 75 ohm S/N Ratio 50 dB (Weighted) Horizontal R esolution at SP Mode 230 Lines

G-23.Audio Signal

Input Level Microphone -- dB / -- Kohm

Line -- dB / -- Kohm RCA - 8 dB / 50 Kohm

Output Level Line -- dB / -- Kohm

RCA - 8 dB / 1 Kohm(0dB=0.775 Vrms)

S/N Ratio at SP Mode 42 dB (Weighted) Harmonic Distortion : 1.5 % (1KHz)

Frequency Response : at SP Mode 100 Hz ~ 10 KHz

Hi-Fi Audio Signal NONE

Depth Multiplex Recording Rotary, Slant Azimuth Two Head System Helical Scan System Dynamic Range : More than -- dB Wow And Flutter : Less than -- % Wrms Channel Separation : More than -- dB Harmonic Distortion : Less than -- %

G-24.Heads

Video 4 Rotary Heads FM Audio Rotary Heads Audio / Control 1 Stationary Head ( Mono Stereo(L,R) ) Erase 1 Full Track Erase

G-25.Motor: 3 Motors

Tape/Cassette Loading Cylinder (Direct Drive) Capstan (Direct Drive)

at LP Mode 100 Hz ~ 6 KHz at SLP Mode 100 Hz ~ 4 KHz

A3-2

GENERAL SPECIFICATIONS

G-26.Power Source

120 V AC 50Hz AC 60Hz

G-27.Power Consumption: 11 W at AC 120 V 60 Hz(Approx.)

Stand by: 2.5 W at AC 120 V 60 Hz(Approx.) Per Year: -- kWh / Year

G-28.Dimensions(Approx.)

360 mm(W) 240 mm(D) 95 mm(H)

G-29.Weight(Approx.) Net : 3.2 Kg ( 7.1 lbs)

Gross : 4.6 Kg ( 10.2 lbs)

G-30.Cabinet Material

Cabinet Front: PS 94HB DECABROM

ABS 94V2 NON-DECA

94V0

G-31.Cassette Loading System: Front Cassette Loading System G-32.Tape Counter: Linear Time Tape Counter G-33.Protector: Power Fuse Dew Sensor G-34.Regulation

Safety

UL CSA SAA SI CE SEV NEMKO FEMKO DEMKO IEC65 CNS SISIR SEMKO NZ HOMOLO SABS GOST NOM AS3159 DENTORI UNE NONE

Radiation

FCC DOC PTT CE SEV SABA SI NZ HOMOLO UNE CNS CISPR13 DENTORI AS/NZS NONE

G-35.Temperature

Operation 5 ºC ~ 40 ºC

Storage -20 ºC ~ 60 ºC G-36.Operating Humidity : Less than 80 %RH G-37.Clock and Timer

Built-in 1 Month 8 Events Programmable Timer

One Touch Recording : Max Time 5 Hours G-38.Timer back up Time

More than 1/12 Minutes (at Power Off Mode) G-39.Terminals

VHF/UHF Antenna Input/Output Din Type F-Type France Type Front Video Input<RCA ø8.3>

Front Audio Input<RCA ø8.3> Rear Video Input<RCA ø8.3>

Rear Audio Input<RCA ø8.3> Rear Video Output<RCA ø8.3>

Rear Audio Output<RCA ø8.3> 21 Pin

G-40.Indicator

Power Play ATR Repeat Tape In

( Red ) ( ) ( ) ( ) ( )

TV/VCR REC T-REC NONE

( Red ) ( Red ) ( Red )

A3-3

G-41.Display

Fluorescent Indicator Yes No

On Screen Display

GENERAL SPECIFICATIONS

Clock/Counter,Channel,Timer Rec,OTR,Play,Rec,FF(Cue),Rew(Rev),

Still,Pause,ATR,Eject,Stop WKL,Y.M.D,Start,End AFT Repeat VCR Memory Index VPS PDC SP LP SLP AM PM

Clock Set( Calendar 12H 24H) Timer Rec Se t Auto Repeat On Off Sap On Off CH Se t

TV/CATV Auto CH Memory

Add/Delete Language No Noise Back Ground

G-CODE(or SHOWVIEW or PLUSCODE)No. Entry NICAM M1/2,NICAM Off,Audio Output Stereo,Audio Output,Bilingual Stereo,Audio Output,SAP Stereo,Audio Output Play/Stop/FF/Rew/Rec/OTR/Pause/T-Rec (Symbol) CH/AV Clock Memory Pin Code Tape Counter Index Tracking Tape Speed Hi-Fi Dirty Head

G-42.OSD Language

Eng Ger Fre Spa Ita Por Jan

OSD Language Setting

Eng Ger Fre Spa Ita Por Jan Not Applicable

G-43.Carton

Master Carton: Need No Need

Content: ---- Set Material: ---- / ---- Corrugated Carton Dimensions: ---- mm(W) ---- mm(D) ---- mm(H) Description of Origin Yes No

Gift Box Need No Need

Material Single/Brown Corrugated Carton ( with Photo Label)

Dimensions: 450 mm(W) 345 mm(D) 195 mm(H) Design: As Per BUYER 's Description of Origin: Yes No

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

Container Stuffing: 1,870 Sets / 40' container

Single/White Corrugated Carton ( with Photo Label) Single Full Color Carton W/Photo

Height 25cm 31cm 46cm 62cm 80cm 100cm

A3-4

G-45.Accessories

Owner's Manual ( W/Guarantee Card) [English/Spanish] Remote Control Unit Dew Caution Sheet Video Cassette Tape Battery (UM- 4 x 2 ) Safety Tip Toll Free Insert Sheet Guarantee Card Audio-Video Cord (RCA) Warning Sheet Quick Set-Up Sheet Information Sheet U/V Mixer 75 ohm Coaxial Cable ( Single Shield Double Shield) 300 ohm to 75 ohm VHF Antenna Adaptor Registration Card Car Cord Tape Rewinder(Buyer Supply)

G-45.Other Features

Auto Head Cleaning Index Search Auto Tracking CH Auto Set-Up/Auto Clock ATS VIDEO PLUS+, SHOWVIEW, G-CODE PDC HQ (VHS Standard High Quality) VPS Auto Power On, Auto Play, Auto Rewind, Auto Eject,Auto Power Off Premiere/ Canal+ Full OSD Forward / Reverse Picture Search SQPB One Touch Playback SAP CATV Channel Lock Auto CH Memory Anti Theft Just Clock Function Hotel Lock Kurupika Guide CM Skip(30 sec. x 6 times ) Rental Game Position Self Seeking Dirty Head Warning Energy Star

GENERAL SPECIFICATIONS

G-46.Switch

Front

Rear

Power Channel Up Channel Down Play F.FWD/Cue Rew/Rev Pause/Still Eject/Stop Rec/OTR System Select Input Select Output Select One Touch Playback

RF-Converter Output Channel Selector( 1 or 2CH 3 or 4CH) TV/CATV Selector SIF Selector

A3-5

G-47.Remote Control

Unit :RC-DC Glow in Dark Remocon Yes No Power Source : D.C 3 V Battery UM - 4 x 2 Control Key :Total 42 Key

0 Ch Up Power 1 Ch Down Eject 2 Input Select Play 3 Audio Select Stop 4 TV/VCR F.FWD 5 Pause/Still Rew 6 Slow Timer R e c 7 Slow Speed Up REC/OTR 8 Slow Speed Down Auto Tracking 9 Skip Search Tracking Up Menu Speed Tracking Down Set Up TV Monitor Counter Reset Set Down Index Clock/Counter Enter Program Zero Return Cancel Video Plus One Touch Playback Call Program/Video Plus

GENERAL SPECIFICATIONS

A3-6

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)

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.

Remove the screw 2.

Disconnect the following connectors: (CP1001, CP1002, CP1003, CP4001, CP4002 and CP4003).

Remove the Deck Chassis in the direction of arrow.

Deck Chassis

Bottom Plate

Fig. 1-3

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

Remove the screw 1.

Remove the Syscon PCB in the direction of arrow (A).

Unlock the 2 supports 2.

Remove the Jack Plate in the direction of arrow (B).

(C)

(B)

(A)

Flap

Fig. 1-2

Syscon PCB

(A)

(B)

Jack Plate

Bottom Plate

Fig. 1-4

B1-1

DISASSEMBLY INSTRUCTIONS

2. REMOVAL OF DECK PARTS

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

Remove the 2 screws 1.

Slide the 2 supports 2 and remove the Top Bracket.

NOTE

When you install the Top Bracket, install the screw (1) first, then install the screw (2).

(2)

Top Bracket

Main Chassis

• Screw Torque: 5 ± 0.5kgf•cm

Top Bracket

Main Chassis

2-2: FLAP LEVER/TAPE GUIDE R (Refer to Fig. 2-2)

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

Remove the Polyslider Washer 1.

Remove the Flap Lever.

Unlock the 3 supports 2 and remove the Tape Guide R.

(1)

Fig. 2-1

NOTE

When you install the Tape Guide L, install as shown in the circle of Fig. 2-3-B. (Refer to Fig. 2-3-B)

Tape Guide L

REC Lever

• The REC Lever is not installed on the Video Cassette Player.

Fig. 2-3-B

2-4: CASSETTE HOLDER ASS'Y (Refer to Fig. 2-4)

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

Locker R

Tape Guide R

Flap Lever

Main Chassis

Fig. 2-2

2-3: TAPE GUIDE L (Refer to Fig. 2-3-A)

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

1. Unlock the 2 supports 1 and remove the Tape Guide L.

2. Remove the REC Lever. (Recorder only)

REC Lever

Tape Guide L

Cassette Side L

Main Chassis

Fig. 2-4

2-5: CASSETTE SIDE L/R (Refer to Fig. 2-5)

Unlock the 4 supports 1 and then remove the Cassette

1. Side L/R.

NOTE

When you install the Cassette Side R, be sure to move the Locker R after installing.

Locker R

Cassette Side R

Cassette Side L

Fig. 2-5

Main Chassis

• The REC Lever is not installed on the Video Cassette Player.

Fig. 2-3-A

B2-1

DISASSEMBLY INSTRUCTIONS

2-6: LINK ASS'Y (Refer to Fig. 2-6)

Set the Link Ass'y to the Eject position.

1. Remove the (A) side of the Link Ass'y first, then remove

2. the (B) side.

Link Ass'y

(A)

Main Chassis

(B)

Link Ass'y

Main Chassis

Fig. 2-6

2-7: LOADING MOTOR ASS'Y (Refer to Fig. 2-7)

Remove the Link Lever.

1. Remove the Dumper Spring.

2. Remove the 2 screws 1.

3. Unlock the support 2 and remove the Loading Motor

4. Ass'y. Unlock the 2 supports 3 and remove the Deck PCB

5. (BOT).

Dumper Spring

Loading Motor Ass'y

2-9: TENSION ASS'Y (Refer to Fig. 2-9-A)

Move the Inclined S Ass'y to the back side.

1. Remove the Tension Spring.

2. Unlock the support 1 and remove the Tension Arm

3. Ass'y. Remove the Tension Adjust.

4. Unlock the 2 supports 2 and remove the Tension Band

5. Ass'y. Unlock the support 3 and remove the Tension Holder.

6. Remove the SS Brake Spring.

7. Remove the SS Arm Brake.

Tension Adjust

Tension Spring

SS Brake Spring

SS Arm Brake

Tension Band Ass'y

Tension Arm Ass'y

Tension Holder

Inclined S Ass'y

Fig. 2-9-A

NOTE

When you install the Tension Adjust, install as shown in Fig. 2-9-B. (Refer to Fig. 2-9-B)

Main Chassis

• Screw Torque: 5 ± 0.5kgf•cm

Deck PCB (BOT)

2-8: SENSOR COVER L3 (Refer to Fig. 2-8)

Unlock the support 1 and remove the Sensor Cover L3.1.

Main Chassis

Sensor Cover L3

Link Lever

Fig. 2-7

Fig. 2-8

Adjust the direction of the Marker to inside.

2-10: T BRAKE ASS'Y (Refer to Fig. 2-10)

Remove the T Brake Spring.

1. Remove the T Brake Ass'y.

T Brake Ass'y

T Brake Spring

Fig. 2-9-B

Fig. 2-10

B2-2

DISASSEMBLY INSTRUCTIONS

2-11: S REEL/T REEL (Refer to Fig. 2-11)

Remove the S Reel and T Reel.

1. Remove the 2 Polyslider Washers 1.

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. 2-11) Do not adhere the stains on it. When you install the reel, clean the shaft and oil it (FL

5. OIL #6115). (If you do not oil, noise may be heard in FF/ REW mode.) After installing the reel, adjust the height of the reel.

(Refer to MECHANICAL ADJUSTMENT)

S Reel

(A)

T Reel

(A)

NOTE

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

1. When you install the Pinch Roller Block, install as shown

2. in the circle of Fig. 2-12-B. (Refer to Fig. 2-12-B)

Fig. 2-12-B

2-13: A/C HEAD (Refer to Fig. 2-13-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.)

1. When you install the A/C Head Spring, install as shown

2. in Fig. 2-13-B. (Refer to Fig. 2-13-B) When you install the A/C Head, tighten the screw (1)

3. first, then tighten the screw (2), finally tighten the screw (3).

2-12: PINCH ROLLER BLOCK/P5-3 ARM ASS'Y

(Refer to Fig. 2-12-A)

Remove the P5 Spring.

1. Remove the screw 1.

2. Unlock the 2 supports 2 and remove the Cassette

3. Opener. Remove the Pinch Roller Block, Pinch Roller Arm

4. Spring, Pinch Roller Lever Ass'y and P5-3 Arm Ass'y.

P5 Spring

P5-3 Arm Ass'y

Cassette Opener

Pinch Roller Block

Pinch Roller Arm Spring

Pinch Roller Lever Ass'y

Main Chassis

Fig. 2-11

(3)

(1)

(2)

• Screw Torque: 4 ± 0.5kgf•cm (Screw 1)

Spring Position

A/C Head

A/C Head Spring

A/C Head Base

Fig. 2-13-A

Fig. 2-13-B

2-14: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-14)

Remove the screw 1.

1. Remove the FE Head.

• Screw Torque: 5 ± 0.5kgf•cm

Fig. 2-12-A

B2-3

FE Head

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

• Screw Torque: 4 ± 0.5kgf•cm

Fig. 2-14

DISASSEMBLY INSTRUCTIONS

2-15: AHC ASS'Y/CYLINDER UNIT ASS'Y

(Refer to Fig. 2-15)

Unlock the support 1 and remove the AHC Ass'y.

1. Remove the 3 screws 2.

2. Remove the Cylinder Unit Ass'y.

NOTE

When you install the Cylinder Unit Ass'y, tighten the screws from (1) to (3) in order while pulling the Ass'y toward the left front direction.

AHC Ass'y

Cylinder Unit Ass'y

(2)

• Screw Torque: 3 ± 0.5kgf•cm

(1)

(3)

Fig. 2-15

2-16: CAPSTAN DD UNIT (Refer to Fig. 2-16)

Remove the Capstan Belt.

1. Remove the 3 screws 1.

2. Remove the Capstan DD Unit.

Middle Gear

E-Ring

Main Cam

Pinch Roller Cam

Joint Gear

P5 Cam

Fig. 2-17-A

NOTE

When you install the Pinch Roller Cam, P5 Cam and Main Cam, align each marker. (Refer to Fig. 2-17-B)

Pinch Roller Cam

Check the hole of Main Chassis can be seen.

Marker

Main Cam

P5 Cam

Capstan Belt

Capstan DD Unit

• Screw Torque: 5 ± 0.5kgf•cm

Fig. 2-16

2-17: MIDDLE GEAR/MAIN CAM (Refer to Fig. 2-17-A)

Remove the Polyslider Washer 1, then remove the

1. Middle Gear. Remove the E-Ring, then remove the Main Cam, P5

2. Cam and Pinch Roller Cam. Remove the Polyslider Washer 2, then remove the

3. Joint Gear.

Fig. 2-17-B

2-18: CLUTCH ASS'Y (Refer to Fig. 2-18)

Remove the Polyslider Washer 1.

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

2. Gear. Unlock the 2 supports 2 and remove the Clutch Lever.

Clutch Ass'y

Ring Spring

Coupling Gear

Clutch Lever

Fig. 2-18

B2-4

DISASSEMBLY INSTRUCTIONS

2-19: LOADING GEAR S/T ASS'Y (Refer to Fig. 2-19-A)

Remove the E-Ring 1 and remove the Main Loading

1. Gear. Remove the Capstan Brake Spring.

2. Slide the Main Rod and remove the Capstan Brake

3. Ass'y. Remove the Main Rod, Tension Lever, Clutch Actuator,

4. Idler Arm Ass'y. Remove the screw 2.

5. Remove the LED Reflecter.

6. Remove the Loading Arm S Ass'y and Loading Arm T

7. Ass'y.

Remove the Loading Gear S and Loading Gear T.

Remove the Loading Gear Spring.

Capstan Brake Spring

Main Rod

Idler Arm Ass'y

LED Reflecter

Clutch Actuator

Capstan Brake Ass'y

Main Loading Gear

Tension Lever

Loading Gear T

Loading Gear Spring

Loading Arm T Ass'y

Loading Gear S

Loading Gear Spring

2. When you install the Clutch Actuator, install as shown in the circle of Fig. 2-19-C. (Refer to Fig. 2-19-C)

Clutch Actuator

Fig. 2-19-C

2-20: INCLINED S/T ASS'Y (Refer to Fig. 2-20)

Unlock the support 1 and remove the P4 Cover.

1. Remove the screw 2.

2. Unlock the support 3 and remove the Loading Gear

3. Holder. Remove the Inclined S.

4. Remove the Inclined T.

5. Remove the 2 screws 4, then remove the Guide Roller.

NOTE

Do not touch the roller of Guide Roller.

Loading Gear Holder

Guide Roller

Loading Arm S Ass'y

• Screw Torque: 5 ± 0.5kgf•cm

Fig. 2-19-A

NOTES

1. When you install the Loading Arm S Ass'y, Loading Arm T Ass'y and Main Loading Gear, align each marker.

(Refer to Fig. 2-19-B)

Marker

Main Loading Gear

Marker

Loading Arm T Ass'y

Loading Arm S Ass'y

Inclined S

• Screw Torque: 5 ± 0.2kgf•cm (Screw 2)

• Screw Torque: 0.7 ± 0.2kgf•cm (Screw 4)

Guide Roller

Inclined T

P4 Cover

Fig. 2-20

Fig. 2-19-B

B2-5

+ 32 hidden pages