Schaub Lorenz SL0021KO Manuel utilisateur

SERVICE MANUAL

Design and specifications are subject to change without notice.

COLORTELEVISION/VIDEO CASSETTE RECORDER

SL0021KO

ORIGINAL

MFR’S VERSION A

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

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/JACK/LED..................................................................................................................

T' TEXT...................................................................................................................................

PRINTED CIRCUIT BOARDS

MAIN/CRT/POWER SW ..........................................................................................................

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

SYSCON..................................................................................................................................

SCHEMATIC DIAGRAMS

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

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

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

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

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

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

T' TEXT ....................................................................................................................................

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

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

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

JACK/LED................................................................................................................................

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

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

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

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

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

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

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

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

A1-1

A2-1

A3-1~A3-5

B1-1, B1-2

B2-1~B2-5

B3-1

B4-1, B4-2

C1-1, C1-2

C2-1

C3-1, C3-2

C4-1

C5-1

C5-2

D1-1~D1-4

D2-1~D2-7

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~F-8

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

G-25, G-26

H-1~H-4

I-1, I-2

I-3, I-4

J1-1

J2-1

J3-1~J3-3

A2-1

GENERAL SPECIFICATIONS

G-1 TV CRT CRT Size / Visual Size 21 inch / 508.0mmV

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 2.5W

10%(Typical) 2.0W

G-2 VCR System VHS

System Player / Recorder

Video System PAL

Hi-Fi STEREO No

NTSC PB(PAL60Hz) Yes

Deck DECK OVD-6S

Loading System Front

Motor 3

Heads Video Head 2 Head

FM Audio Head No

Audio /Control Mono / Yes

Erase(Full Track Erase) Yes

Tape Rec PAL/SECAM SP

Speed NTSC -

Play PAL SP

NTSC SP

Fast Forward / Rewind Time (Approx.) 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 1/10

Slow Speed 1/5~1/30

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

System Tuner and System 1Tuner

Receive CH Destination Oscar(W/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 Frequency Picture(FP) 38.9MHz

Sound(FS) 33.4MHz

FP-FS 5.5MHz

Preset CH 80CH

Stereo/Dual TV Sound No

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 -3.8dB/50Kohm

Output Level -3.8dB/1Kohm

S/N Ratio at SP 42 dB

Harmonic Distortion (1KHz) 1.5 %

Frequency Response at SP 100Hz ~10kHz

at LP -

at SLP -

Hi-Fi Audio Signal Dynamic Range : More than -

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 65 W at 230 V 50 Hz

A3-1

GENERAL SPECIFICATIONS

at DC -

Stand by (at AC) 6 W at 230 V 50 Hz

Per Year -

Protector Power Fuse Yes

Dew Sensor No

G-6 Regulation Safety CE

Radiation CE

X-Radiation -

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

Storage -20oC ~ +60oC

G-8 Operating Humidity Less then 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

System Select No

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

Stereo/Audio Output No

Bilingal No

NICAM No

Clock/Date Yes

CH/AV Yes

Tape Counter(Linear Counter) Yes

Tape Speed No

Sleep Time Yes

Control Volume Yes

Level Bright / 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

Zero Return No

PAL/SECAM No

Dew No

G-10 OSD Language Eng Ger Fre Spa Ita

OSD Language Setting Ita

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 Tim / Off Tim) 1 prog.

Auto Shut Off No Signal 15 min.

A3-2

GENERAL SPECIFICATIONS

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

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+(ShowView) 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

A3-3

GENERAL SPECIFICATIONS

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

CATV No

CM Skip(30sec x 6 Times) No

Comb Filter No

T'Text Yes

Text type Unitext

Scene Repeat No

Hotel Lock No

TV Monitor Yes

TV/Rec Monitor No

Zero Return Yes

Choke Coil 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

OEM Brand No

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 Red

A3-4

GENERAL SPECIFICATIONS

Rec/OTR Red

T-Rec 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 Head Phone(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

G-16 Set Size Approx. W x D x H (mm) 502 x 486.5 x 513

G-17 Weight Net (Approx.) 22.0kg ( - lbs)

Gross (Approx.) 24.0kg ( - 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) 569 x 562 x 590

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) 332 Sets

G-19 Cabinet Material Cabinet Front PS 94HB

Cabinet Rear PS 94HB

Jack Panel PS 94HB

A3-5

DISASSEMBLY INSTRUCTIONS

1. REMOVAL OF MECHANICAL PARTS

AND P.C. BOARDS

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

Remove the 6 screws 1.

Remove the 2 screws 2which are used for holding the

Back Cabinet.

Remove the AC cord from the AC cord hook 3.

Remove the Back Cabinet in the direction of arrow.

Fig. 1-1

Front Cabinet

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, CP351, CP757, CP401, CP501 and CP502).

Unlock the support 2.

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

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

Remove the screw 1.

Remove the Main PCB Holder.

Remove the 2 screws 2.

Remove the 3 screws 3.

Disconnect the following connectors:

(CP810 and CP820).

Remove the Main PCB in the direction of arrow.

Fig. 1-4

3Back Cabinet

Remove the Anode Cap.

(Refer to REMOVAL OF ANODE CAP)

Disconnect the following connectors:

(CP801 and CP850).

Remove the CRT PCB in the direction of arrow.

B1-1

Front Cabinet CRT PCB

Front Cabinet 1

TV/VCR Block

UP TO

RELEASE

Fig. 1-3

Main PCB

Main PCB Holder

VCR Block

DISASSEMBLY INSTRUCTIONS

(B)

(A)

Fig. 1-5

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

Remove the 3 screws 1.

Disconnect the following connectors:

(CP1004, CP1005, CP1006, CP4001, CP4004 and

CP4005).

Remove the Deck Chassis in the direction of arrow.

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

Remove the 2 screws 1.

Remove the 4 screws 2.

Remove the screw 3.

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

Remove the screw 4.

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

Syscon PCB

(A)

Deck Holder Fig. 1-7

(B)

Jack Plate

Remove the screw 1.

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

Remove the 2 screws 2.

Unlock the 2 supports 3.

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

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

Fig. 1-6

B1-2

Deck Chassis

Syscon PCB

Shield Plate Bottom

VCR Block

Deck Shield Plate

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 2and remove the Top Bracket.

NOTE

When you install the Top Bracket, install the screw (1)

first, then install the screw (2).

(2)

Top Bracket Top Bracket

Main Chassis

(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)

REC Lever

Tape Guide L

• The REC Lever is not installed on the Video Cassette Player. Fig. 2-3-B

• Screw Torque: 5 ±0.5kgf•cm

B2-1

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 2and remove the Tape Guide R.

Fig. 2-2

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

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

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

Remove the REC Lever. (Recorder only)

Main Chassis

Tape Guide L

REC Lever

Fig. 2-3-A

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

Tape Guide R

Flap Lever

Main Chassis

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

Move the Cassette Holder Ass'y to the front side so that

the Link Ass'y doesn't slip out.

Push the Locker R to remove the Cassette Side R.

Remove the Cassette Side L.

Main Chassis

Cassette Side L

Cassette Side R Locker R

Fig. 2-4

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

Link Ass'y

Unlock the 4 supports 1and then remove the Cassette

Side L/R.

Remove the Cassette Earth Spring.

NOTE

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

the Locker R after installing.

After the installation of the Cassette Holder, then install

the Cassette Earth Spring.

Cassette Side L

Cassette Side R

Locker R 1

Cassette Holder

Fig. 2-5

Cassette Earth Spring

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