Schaub lorenz Sl0520ko User manual

SERVICE MANUAL

SL0520KO

Design and specifications are subject to change without notice.

COLOR TELEVISION/VIDEO CASSETTE RECORDER

ORIGINAL

MFR’S VERSION B

SERVICING NOTICES ON CHECKING

6. AVOID AN X-RAY1. KEEP THE NOTICES

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.

3. USE THE DESIGNATED PARTS

5. TAKE CARE TO DEAL WITH THE

CATHODE-RAY TUBE

In the condition that an explosion-proof cathode-

ray tube is set in this equipment, safety is

secured against implosion. However, when

removing it or serving from backward, it is

dangerous to give a shock. Take enough care to

deal with it.

Safety is secured against an X-ray by consider-

ing about the cathode-ray tube and the high

voltage peripheral circuit, etc.

Therefore, when repairing the high voltage pe-

ripheral circuit, use the designated parts and

make sure not modify the circuit.

Repairing except indicates causes rising of high

voltage, and it emits an X-ray from the cathode-

ray tube.

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.

HOWTO ORDER PARTS

PERFORM A SAFETY CHECK AFTER

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.

(INSULATION CHECK PROCEDURE)

Unplug the plug from the AC outlet.

Remove the antenna terminal on TV and turn

on the TV.

Insulation resistance between the cord plug

terminals and the eternal exposure metal

[Note 2] should be more than 1M ohm by

using the 500V insulation resistance meter

[Note 1].

If the insulation resistance is less than 1M

ohm, the inspection repair should be

required.

[Note 1]

If you have not the 500V insulation

resistance meter, use a Tester.

[Note 2]

External exposure metal: Antenna terminal

Earphone jack

2. AVOID AN ELECTRIC SHOCK

There is a high voltage part inside. Avoid an

electric shock while the electric current is

flowing.

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.

4. PUT PARTS AND WIRES IN THE

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.

A1-1

A1-2

Remove the VCR block from the main unit.

(Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.)

Remove the screw 1of the Deck Chassis and remove the Loading Motor.

Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.

Rotate the Clutch Ass'y either of the directions to wind the Video Tape in the Cassette Case.

Repeat the above step 3~4. Then take out the Video Cassette from the Deck Chassis. Be careful not to

scratch on the tape.

TAPE REMOVAL METHOD AT NO POWER SUPPLY

Pinch Roller Cam

Main Cam Clutch Ass'y

Main Chassis (Front Side)

Loading Motor

Screw 1

Capstan DD Unit

CONTENTS

A1-1

A1-2

A2-1

A3-1~A3-5

B1-1, B1-2

B2-1~B2-6

B3-1

B4-1, B4-2

C1-1, C1-2

C2-1

C3-1, C3-2

C4-1

D1-1

D2-1~D2-4

D3-1~D3-5

E-1, E-2

E-3, E-4

E-5, E-6

E-7, E-8

F-1, F-2

F-3, F-4

F-5

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

G-15, G-16

G-17, G-18

G-19, G-20

G-21, G-22

G-23, G-24

H-1, H-2

I1-1, I1-2

I2-1, I2-2

J1-1

J2-1

J3-1~ J3-3

A2-1

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

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

TAPE REMOVAL METHOD AT NO POWER SUPPLY .............................................................

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

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

DISASSEMBLY INSTRUCTIONS

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

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

3. REMOVAL OF ANODE CAP ...............................................................................................

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

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

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

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

WHEN REPLACING EEPROM (MEMORY) IC ...........................................................................

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

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

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

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

BLOCK DIAGRAMS

TV .............................................................................................................................................

Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT ..................................................................................

MICON .....................................................................................................................................

T'TEXT/RGB SW..............................................................................................................

PRINTED CIRCUIT BOARDS

SYSCON/CRT/POWER SW ...................................................................................................

SYSCON/CRT .........................................................................................................................

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

SCHEMATIC DIAGRAMS

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

MICON ......................................................................................................................................

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

21PIN/IN/OUT...........................................................................................................................

CHROMA/IF .............................................................................................................................

SOUND AMP ............................................................................................................................

T' TEXT/RGB SW .....................................................................................................................

SECAM CHROMA ....................................................................................................................

DEFLECTION ...........................................................................................................................

CRT ...........................................................................................................................................

TV POWER ...............................................................................................................................

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

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

MECHANICAL EXPLODED VIEWS ............................................................................................

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

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

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

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

GENERAL SPECIFICATIONS

G-1 TV CRT CRT Size / Visual Size 20 inch / 480.0mmV

System CRT Type Normal

Deflection 90 degree

Magnetic Field BV/BH +0.45G / +0.18G

Color System PAL

Speaker 1Speaker

Position Front

Size 3 Inch

Impedance 8 ohm

Sound Output MAX 2.5 W

10%(Typical) 2.0 W

G-2 VCR System VHS Player / Recorder

System Video System PAL

Hi-Fi STEREO No

NTSC PB(PAL 60Hz) Yes

Deck DECK OVD-7

Loading System Front

Motor 3

Heads Video Head 2Head

FM Audio Head No

Audio /Control Mono /Yes

Erase(Full Track Erase) Yes

Tape Rec PAL SP

Speed NTSC -

Play PAL SP

NTSC SP

Fast Forward / Rewind Time (Approx.) at 25oC FF:1'48"/REW:1'48"

Cassette at E-180

Forward/Reverse NTSC or PAL-M SP=3x,5x

Picture Search PAL or SECAM SP=5x,7x

Frame Advance Yes

Slow Speed 1/5~1/30

G-3 Tuning Broadcasting System CCIR + Italy System B/G

System Tuner and System 1Tuner

Receive CH Destination CCIR HYPER

Tuning System F-Synth

Input Impedance VHF/UHF 75 ohm

CH Coverage E2~E4, X~Z+2, S1~S10,

E5~E12,S11~S41,E21~E69

Intermediate Picture(FP) 38.9MHz

Frequency Sound(FS) 33.4MHz

FP-FS 5.5MHZ

Auto Tuning Method ALL Band(Not CCIR CH Plan)

Preset CH 80CH

Stereo/Dual TV Sound No

Tuner Sound Muting Yes

G-4 Signal Video Signal Input Level 1 V p-p/75 ohm

Output Level 1 V p-p/75 ohm

S/N Ratio (Weighted) 53 dB

Horizontal Resolution at SP Mode 240 Lines

Audio Signal Input Level -3.8dBm/50k ohm

Output Level -3.8dBm/1k ohm

S/N Ratio at SP (Weighted) 42 dB

Harmonic Distortion at SP (1kHz) Typical 1.5 %

Frequency Response at SP 100Hz ~10kHz

at LP -

at SLP -

Hi-Fi Audio Signal Dynamic Range : More than -

Frequency Response -

Wow And Flutter : Less than -

Channel Separation : More than -

Harmonic Distortion : Less than -

G-5 Power Power Source AC 230V 50Hz

DC -

Power Consumption at AC 60 W at 230 V 50 Hz

at DC -

Stand by (at AC) 8 W at 230 V 50 Hz

Per Year -

Protector Power Fuse Yes

Safety Circuit Yes

A3-1

GENERAL SPECIFICATIONS

IC Protector No

Dew Sensor No

G-6 Regulation Safety CE/HOMOLO

Radiation CE/HOMOLO

X-Radiation -

G-7 Temperature Operation +5oC ~ +40oC

Storage -20oC ~ +60oC

G-8 Operating Humidity Less than 80% RH

G-9 On Screen Menu Yes

Display Menu Type Character

ATS No

Timer Rec Set Yes

Channel Setup Yes

Auto Tuning Yes

Ch Mapping No

Ch Tuning Yes

Ch Allocation Yes

TV Setup Yes

On/Off Timer Set Yes

Picture Yes

Audio No

VCR Setup No

Auto Repeat On/Off Yes

System Select No

Scene Repeat No

System Setup Yes

Clock Set Yes (Calendar 24h)

Language Yes

G-CODE(or SHOWVIEW or PLUSCODE)No. Entry No

Stereo/Audio Output No

Bilingual No

NICAM No

Clock/Date Yes

CH/AV Yes

Tape Counter(Linear Counter) Yes

Tape Speed No

Sleep Time Yes

Control Volume Yes

Level Brightness/Contrast/Sharpness/Color Yes

Tint No

Bass/Treble/Balance No

Manual Tracking Yes

Play/Stop/FF/Rew/Rec/OTR/T-Rec/Pause/Eject/Tape In

(Symbol Mark) Yes

Auto Tracking/Manual Tracking Yes

S-Repeat/SR-R/SR-PLAY No

Index Yes

Mute Yes

Hi-Fi No

Repeat Yes

Password No

PDC No

Zero Return No

Dew No

G-10 OSD Language English, French, Spanish, German, Italian

G-11 Clock,Timer Calendar 1990/1/1 ~ 2081/12/31

and Timer Timer Events 8 prog/ 1 month

Back-up One Touch Recording Max Time SP 5 Hours

OTPB Valid Time -

Sleep Timer Max Time 120 min.

Step 10 min.

On/Off Timer Program(On Timer / Off Timer) 1 prog.

Auto Shut Off No Signal 15 min.

No Operation - min.

Timer Back-up (at Power Off Mode) 30 min.

G-12 Remote Unit RC-CH

Control Glow in Dark Remocon No

Power Source Voltage(D.C) 3V

UM size x pcs UM-4 x 2 pcs

Total Keys 36 Keys

Keys Power Yes

1 Yes

A3-2

GENERAL SPECIFICATIONS

2 Yes

3 Yes

4 Yes

5 Yes

6 Yes

7 Yes

8 Yes

9 Yes

0/AV Yes

CH/Tr Up No

CH/Tr Up/Page Up Yes

CH/Tr Down No

CH/Tr Down /Page Down Yes

Volume Up Yes

Volume Down Yes

Play/Up No

Play/Up/Slow Yes

F.Fwd/Right Yes

Rew/Left Yes

Pause/Still Yes

Pause No

Stop/Down Yes

Rec/OTR Yes

Eject Yes

Counter Reset Yes

Speed No

Timer Rec Yes

TV Monitor Yes

TV Monitor /Rec Monitor No

Program Yes

Program /V+ No

Auto Tracking No

Auto Tracking /Reveal Yes

Menu Yes

Enter No

Enter/Hold Yes

Cancel/Ch Skip No

Cancel/Ch Skip/F-T-B Yes

Index No

Index /Sub Page Yes

Call Yes

Text/Mix/TV Yes

Sleep Timer Yes

Mute Yes

Zero Return Yes

CM Skip No

OTPB No

END Call No

Red No

Cyan No

Green No

Yellow No

Audio Select No

G-13 Features Auto Head Cleaning Yes

Auto Tracking Yes

HQ (VHS Standard High Quality) Yes

Auto Power On, Auto Play, Auto Rewind, Auto Eject Yes

Auto Shut Off Yes

Auto Repeat Yes

VIDEO PLUS+(SHOWVIEW,G-CODE) No

CH Auto Set-Up/Auto Clock No

Forward / Reverse Picture Search Yes

One Touch Playback No

Auto Tuning Yes

Anti-Theft No

End Call No

Index Search Yes

SQPB No

CM Skip(30sec x 6 Times) No

Comb Filter No

T'Text Yes

Text type UNI Text

A3-3

GENERAL SPECIFICATIONS

Scene Repeat No

Hotel Lock No

TV Monitor Yes

Zero Return Yes

Protect of FBT Leak Circuit No

Choke Coil No

Power On Memory No

G-14 Accessories Owner's Manual Language Italian

w/Guarantee Card No.

Remote Control Unit Yes

Rod Antenna No

Poles -

Terminal -

w/300 ohm to 75 ohm Antenna Adapter -

Loop Antenna No

Terminal -

U/V Mixer No

DC Car Cord (Center+) No

Guarantee Card Yes

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

Battery Yes

UM size x pcs UM-4 x 2 pcs

AC Cord No

AV Cord (2Pin-1Pin) No

21pin-RCA Cable No

Registration Card No

PTB Sheet No

Anti-Theft Sheet No

Euro Warranty Information Sheet 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 Yes

Volume Up Yes

Volume Down Yes

Rew/Rev Yes

Rec/OTR Yes

Rear Main Power SW No

Indicator Standby Yes (Red)

Rec/OTR Yes (Red)

T-Rec Yes (Red)

On Timer No

CS No

Key Light up Rec/OTR No

One Touch Playback No

Play No

Terminals Front Video Input RCA x1

Audio Input RCA x1

Other Terminal HeadPhone(Stereo & Mono, 3.5mm)

Rear Video Input No

Audio Input No

Video Output No

Audio Output No

Euro Scart 1-SCART

Diversity No

Ext Speaker No

DC Jack 12V(Center +) No

VHF/UHF Antenna Input DIN type

AC Inlet No

A3-4

GENERAL SPECIFICATIONS

G-16 Set Size Approx. W x D x H (mm) 489 x 465 x 484.5

G-17 Weight Net (Approx.) 19.0 kg ( - lbs)

Gross (Approx.) 22.0 kg ( - lbs)

G-18 Carton Master Carton No

Content -

Material -

Dimensions W x D x H(mm) -

Description of Origin -

Gift Box Yes

Material Double/Brown

Dimensions W x D x H(mm) 559 x 538 x 555

Design As per Buyer's

Description of Origin No

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

Height (cm) 46

Container Stuffing(40' container) 352 Sets

G-19 Material Cabinet Front PS 94HB

Rear PS 94HB

Jack Panel PS 94V0/DECABROM

PCB Non-Halogen Demand No

Eyelet Demand No

G-20 Environment Pb Free Lead-free Solder No

Other No

Cd Free No

A3-5

(1)

DISASSEMBLY INSTRUCTIONS

1. REMOVAL OF MECHANICAL PARTS

AND P.C. BOARDS

1-1: BACK CABINET (Refer to Fig. 1-1)

Remove the 8 screws (1).

Remove the AC cord from the AC cord hook (2).

Remove the Back Cabinet in the direction of arrow.

Fig. 1-1

1-2: CRT PCB (Refer to Fig. 1-2)

CAUTION: BEFORE REMOVING THE ANODE CAP,

DISCHARGE ELECTRICITY BECAUSE IT

CONTAINS HIGH VOLTAGE.

BEFORE ATTEMPTING TO REMOVE OR

REPAIR ANY PCB, UNPLUG THE POWER

CORD FROM THE AC SOURCE.

Fig. 1-2

1-3: TV/VCR BLOCK (Refer to Fig. 1-3)

Remove the 2 screws (1).

Disconnect the following connectors:

(CP302, CP402, CP501 and CP502).

Unlock the support (2).

Remove the TV/VCR Block in the direction of arrow.

Fig. 1-3

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

Remove the 3 screws (1).

Disconnect the following connectors:

(CP401A and CP851A).

Remove the Power PCB in the direction of arrow.

Fig. 1-4

Remove the Anode Cap.

(Refer to REMOVAL OF ANODE CAP)

Remove the CRT PCB in the direction of arrow.

UP TO

RELEASE

TV/VCR Block

Front Cabinet

B1-1

(1) (1)

(2)

Front Cabinet

Back Cabinet

(1)

(2)

(1)

Front Cabinet CRT PCB

Power PCB

TV/VCR Block

(1)

DISASSEMBLY INSTRUCTIONS

Fig. 1-5

1-5: DECK SHIELD PLATE (Refer to Fig. 1-5)

Remove the 3 screws (1).

Remove the Deck Shield Plate in the direction of arrow(A).

Remove the screw (2).

Remove the Bottom Shield Plate in the direction of arrow(B).

Syscon PCB

Deck Holder

Fig. 1-7

Remove the screw (1).

Remove the 2 screws (2).

Remove the Syscon PCB in the direction of arrow.

1-7: JACK PLATE AND SYSCON PCB (Refer to Fig. 1-7)

B1-2

Deck Shield Plate

TV/VCR Block

(B)

(A)

Bottom Shield Plate

(1)

(2)

(1)

1-6: DECK CHASSIS (Refer to Fig. 1-6)

NOTE

Do not remove the cable at the FE Head section.The FE

Head may be damaged if you remove the cable by force.

Remove the screw (1).

Remove the FE Head.

Remove the 2 screws (2).

Disconnect the following connectors:

(CP1001, CP4001, CP4004 and CP4005).

Remove the Deck Chassis in the direction of arrow.

Deck Chassis

Syscon PCB

Fig. 1-6

(1)

(2)

FE Head

DISASSEMBLY INSTRUCTIONS

B2-1

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.

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

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

Push the Locker R to remove the Cassette Side R.

Remove the Cassette Side L.

Fig. 2-1

(2)

Main Chassis

Top Bracket

Main Chassis

Cassette Side L

Cassette Side R Locker R

Fig. 2-2

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

Remove the Locker Spring.

Unlock the 4 supports (1) and then remove the Cassette

Side L/R.

Unlock the support (2) and then remove the Locker R.

Link Unit

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

Set the Link Unit to the Eject position.

Unlock the support (1).

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

the (B) side.

Fig. 2-4

Fig. 2-3-A

Cassette Side L

Cassette Side R

(1)

(1)(1)

Locker R (1)

Cassette Holder

Locker Spring

(2)

(A)

Link Unit

Main Chassis

(1) Link Unit

(B)

Main Chassis

(1) (1)

NOTE

1. After the installation of the Top Bracket, bend the

support 1 so that the Top Bracket is fixed.

NOTE

In case of the Locker R installation, check if the one

position of Fig.2-3-B are correctly locked.

When you install the Cassette Side R, be sure to move

the Locker R after installing.

Fig. 2-3-B

Check if this position

is locked.

Cassette Side R

Locker R

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

Extend the support (1).

Remove the Link Lever.

Remove the Flap Lever.

Fig. 2-5

Link Lever

Flap Lever

(1)

DISASSEMBLY INSTRUCTIONS

B2-2

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

Remove the screw (1).

Remove the Loading Motor.

Remove the Worm.

Fig. 2-6-A

• Screw Torque: 3 ± 0.5kgf•cm

Loading Motor

(1)

Main Chassis

Worm

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

Turn the Pinch Roller Cam clockwise so that the

Tension Holder hook is set to the position of Fig. 2-7-A

to move the Tension Arm Ass'y.

Remove the Tension Spring.

Unlock the 2 supports (1) and remove the Tension

Band.

Unlock the support 2 and remove the Tension Arm

Ass'y.

Unlock the support (3) and remove the Tension

Connect.

Float the hook (4) and turn it clockwise then remove

the Tension Holder.

NOTE

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, slacken the

wire as shown Fig. 2-6-C.

When installing the wires between Capstan DD Unit

and Loading Motor, connect them correctly as shown

Fig. 2-6-D.

Loading Motor Capstan DD Unit

Pink

Fig. 2-6-D

White

Fig. 2-7-A

Tension Arm Ass'y

Fig. 2-7-B

Fig. 2-7-D

Tension Band

Tension Spring

(1)

(2)

(4)

Tension Band

Tension Arm Ass'y

(3)

(1)

Tension Holder

Tension Connect

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 Band

Tension Connect

[OK]

[NG]

Fig. 2-7-E

Tension Connect

Main Chassis

Fig. 2-7-C

Tension Band

Tension Connect

Fig. 2-6-B

19.2 ± 0.1mm

Safety surface for pressing

of the insert.

Fig. 2-6-C

Loading Motor

Slacken the wire.

DISASSEMBLY INSTRUCTIONS

B2-3

Fig. 2-9-B

Big Hole

(S Reel) Small Hole

(T Reel)

Fig. 2-9-C

Idler Arm Ass'y

[OK]

[NG]

Clutch Gear

Idler Arm Ass'y

Clutch Gear

Fig. 2-8-B

T Brake Band

NOTE

1. In case of the T Brake Band installation, install correctly

as Fig. 2-8-B.

T Brake Arm

[OK]

[NG] T Brake Band

T Brake Arm

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.

Remove the 2 Polyslider Washers (1).

Remove the Idler Arm Ass'y and Idler Gear.

NOTE

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

Reel.

The Polyslider Washer may be remained on the back of

the reel.

Take care not to damage the shaft.

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

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

(FG-84M). (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)

Fig. 2-9-A

S Reel

(1)

(A) T Reel

(A)

(1)

Idler Arm Ass'y

Idler Gear

NOTE

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.

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

T Brake Band

Hook section

T Brake Spring

T Brake Arm

(1)

Fig. 2-8-A

(B)

DISASSEMBLY INSTRUCTIONS

B2-4

A/C Head

(2)

A/C Head Spring

(1)

(3)

(1)

(2)

A/C Head Base

Spring Position Fig. 2-11-B

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

Remove the screw (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. 2-11-A

• Screw Torque: 5 ± 0.5kgf•cm

Fig. 2-12

(1)

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

Remove the screw (1).

Remove the A/C Head Base.

Remove the 3 screws (2).

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).

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

Opener.

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

Fig. 2-10-A

(1) Cassette Opener

P5 Arm Ass'y

Pinch Roller Block

Main Chassis

NOTE

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. 2-10-B.

Fig. 2-10-B

Can be seen the hole of the

Main Cam.

Can be seen the hole of

the Pinch Roller Cam.

P5 Arm Ass'y

Pinch Roller Block

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

(Refer to Fig. 2-13)

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

Disconnect the following connector:

(CD2001)

Remove the 3 screws (2).

Remove the Cylinder Unit Ass'y.

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.

NOTE

Fig. 2-13

Cylinder Unit Ass'y

(2)

• Screw Torque: 3 ± 0.5kgf•cm

(1)

(3)

(2)

AHC Ass'y

(1)

DISASSEMBLY INSTRUCTIONS

B2-5

Fig. 2-15-A

NOTE

In case of the Pinch Roller Cam and Main Cam

installation, install them as the circled section of Fig. 2-

15-B so that the each markers are met. (Refer to Fig.

2-15-B)

Fig. 2-15-B

2-15:

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

Remove the E-Ring (2), then remove the Pinch Roller

Cam and Joint Gear.

MAIN CAM/PINCH ROLLER CAM/JOINT GEAR

(Refer to Fig. 2-15-A)

(1)

Main Cam

Pinch Roller Cam

Joint Gear

(2)

Pinch Roller Cam

Main Cam

Marker

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

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.

(1)

Main Rod Main Loading Gear

Tension Lever

Loading Arm T Unit

Loading Arm S Unit

Fig. 2-16-A

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

Remove the Capstan Belt.

Remove the 3 screws (1).

Remove the Capstan DD Unit.

• Screw Torque: 4 ± 0.5kgf•cm

Capstan DD Unit

Capstan Belt

(1) (1)

(1)

In case of the Capstan DD Unit installation, apply the

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)

NOTE

Fig. 2-14-A

Fig. 2-14-C

Capstan DD Unit

Main Chassis

Silicon Bond

Fig. 2-14-B

Applied position of

silicon bond

Be careful not to apply the silicon

bond to the Pinch Roller.

Parts Name: TSE3843-W

Parts No.: Y118011000

DISASSEMBLY INSTRUCTIONS

B2-6

2-18:

Remove the P4 Cap.

Unlock the support (1) and remove the Cassette Guide

Post.

Remove the Inclined Base S/T Unit.

Remove the screw (2).

Remove the LED Reflector.

Fig. 2-18-A

CASSETTE GUIDE POST/INCLINED BASE S/T

UNIT/P4 CAP/LED REFLECTOR

(Refer to Fig. 2-18-A)

P4 Cap

Cassette Guide Post

(1)

Inclined Base T

Unit

Inclined Base S

Unit

NOTE

Do not touch the roller of Guide Roller.

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

for "A" and "B" of Fig. 2-18-B.

In case of the Cassette Guide Post installation, install

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

"A"

[OK]

[NG]

"B"

P4 Cap Cassette Opener

Fig. 2-18-B

Fig. 2-18-C

Cassette Guide Post

2-17:

Remove the Polyslider Washer (1).

Remove the Clutch Ass'y and Ring Spring.

Remove the Clutch Lever.

Remove the Coupling Gear, Coupling Spring and

Clutch Gear.

Fig. 2-17-A

NOTE

1. When you install the Loading Arm S Unit, Loading Arm

T Unit and Main Loading Gear, align each marker.

(Refer to Fig. 2-16-B)

(1)

Clutch Ass'y

Coupling Gear Clutch Lever

Ring Spring

Coupling Spring

Clutch Gear

CLUTCH ASS'Y/RING SPRING/CLUTCH LEVER/

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

NOTE

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

inserting the spring of the Clutch Ass'y into the dent of

the Coupling Gear. (Refer to Fig. 2-17-B)

Clutch Ass'y

Fig. 2-17-B

Coupling Gear

(2)

LED Reflector

• Screw Torque: 5 ± 0.5kgf•cm

Fig. 2-16-B

Loading Arm T Unit

Main Loading Gear

Marker

Loading Arm S Unit

3. REMOVAL OF ANODE CAP

Read the followingNOTED items before starting work.

After turning the power off there might still be a potential

voltage that is very dangerous. When removing the

Anode Cap, make sure to discharge the Anode Cap's

potential voltage.

Do not use pliers to loosen or tighten the Anode Cap

terminal, this may cause the spring to be damaged.

REMOVAL

1. Follow the steps as follows to discharge the Anode Cap.

(Refer to Fig. 3-1.)

Connect one end of an Alligator Clip to the metal part of

a flat-blade screwdriver and the other end to ground.

While holding the plastic part of the insulated screwdriver,

touch the support of the Anode with the tip of the

screwdriver.

A cracking noise will be heard as the voltage is discharged.

Flip up the sides of the Rubber Cap in the direction of the

arrow and remove one side of the support.

(Refer to Fig. 3-2.)

GND on the CRT

Screwdriver

Alligator Clip

Support CRT

GND on the CRT

Rubber Cap

CRT Support

Fig. 3-2

3. After one side is removed, pull in the opposite direction to

remove the other.

NOTE

Take care not to damage the Rubber Cap.

INSTALLATION

1. Clean the spot where the cap was located with a small

amount of alcohol.(Refer to Fig. 3-3.)

Location of Anode Cap

NOTE

Confirm that there is no dirt, dust, etc. at the spot where

the cap was located.

Arrange the wire of the Anode Cap and make sure the

wire is not twisted.

Turn over the Rubber Cap.(Refer to Fig. 3-4.)

4. Insert one end of the Anode Support into the anode button,

then the other as shown inFig. 3-5.

6. Confirm that the Support is securely connected.

Put on the Rubber Cap without moving any parts.

CRT Support

DISASSEMBLY INSTRUCTIONS

Fig. 3-3

Fig. 3-4

Fig. 3-5

Fig. 3-1

B3-1

B4-1

Masking Tape

(Cotton Tape)

DISASSEMBLY INSTRUCTIONS

REMOVAL

Put the Masking Tape (cotton tape) around the Flat

Package IC to protect other parts from any damage.

(Refer to Fig. 4-1.)

Fig. 4-1

NOTE

REMOVAL AND INSTALLATION OF

FLAT PACKAGE IC

Some ICs on the PCB are affixed with glue, so be

careful not to break or damage the foil of each IC

leads or solder lands under the IC when removing it.

NOTE

Masking is carried out on all the parts located within

10 mm distance from IC leads.

Blower type IC

desoldering machine

Heat the IC leads using a blower type IC desoldering

machine. (Refer to Fig. 4-2.)

Fig. 4-2

NOTE

Do not add the rotating and the back and forth

directions force on the IC, until IC can move back and

forth easily after desoldering the IC leads completely.

When IC starts moving back and forth easily after

desoldering completely, pickup the corner of the IC using

a tweezers and remove the IC by moving with the IC

desoldering machine. (Refer to Fig. 4-3.)

Blower type IC

desoldering

machine

IC Fig. 4-3

Tweezers

Peel off the Masking Tape.

Absorb the solder left on the pattern using the Braided

Shield Wire. (Refer to Fig. 4-4.)

NOTE

Do not move the Braided Shield Wire in the vertical

direction towards the IC pattern.

Braided Shield Wire

Soldering Iron

Fig. 4-4

IC pattern

B4-2

DISASSEMBLY INSTRUCTIONS

Supply soldering

from upper position

to lower position

Supply the solder from the upper position of IC leads

sliding to the lower position of the IC leads.

(Refer to Fig. 4-6.)

Fig. 4-6

Soldering IronSolder

Absorb the solder left on the lead using the Braided

Shield Wire. (Refer to Fig. 4-7.)

Fig. 4-7

Soldering Iron

Braided Shield Wire

NOTE

Do not absorb the solder to excess.

When bridge-soldering between terminals and/or the

soldering amount are not enough, resolder using a Thin-

tip Soldering Iron. (Refer to Fig. 4-8.)

Fig. 4-8

Thin-tip Soldering Iron

NOTE

When the IC leads are bent during soldering and/or

repairing, do not repair the bending of leads. If the

bending of leads are repaired, the pattern may be

damaged. So, be always sure to replace the IC in this

case.

Finally, confirm the soldering status on four sides of the

IC using a magnifying glass.

Confirm that no abnormality is found on the soldering

position and installation position of the parts around the

IC. If some abnormality is found, correct by resoldering.

Solder temporarily

Soldering Iron

INSTALLATION

Take care of the polarity of new IC and then install the

new IC fitting on the printed circuit pattern. Then solder

each lead on the diagonal positions of IC temporarily.

(Refer to Fig. 4-5.)

Fig. 4-5

Solder temporarily

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