SLV-SE100A1, SLV-SE100A2, SLV-SE100K, SLV-SE200G, SLV-SE200I, SLV-SE200V1, SLV-SE200V2, SLV-SE250B, SLV-SE250D, SLV-SE250P, SLV-SE300D1, SLV-SE300D2, SLV-SE300G, SLV-SE400K, SLV-SE450B, SLV-SE450D, SLV-SE450K, SLV-SE450P, SLV-SX100K, SL - Sony VCR Service Manual (repair manual). Page 3

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1.

ERROR CODE INDICATION ··········································· 4

Getting Started ··········································································· 1-1

Step 1 : Unpacking ································································ 1-1
Step 2 : Setting up the remote commander ···························· 1-1
Step 3 : Connecting the VCR ················································· 1-2
Step 4 : Tuning your TV to the VCR ····································· 1-2
Step 5 : Setting up the VCR with the Auto Set Up function ·· 1-3
Step 6 : Setting the clock ······················································· 1-4
Selecting a language ······························································ 1-5
Presetting channels ································································ 1-5
Changing/disabling programme positions ····························· 1-6

Basic Operations ········································································ 1-8

Playing a tape ········································································· 1-8
Recording TV programmes ··················································· 1-9
Recording TV programmes using the ShowView system ··· 1-10
Recording TV programmes using the timer ························ 1-11

Additional Operations ····························································· 1-12

Playing/searching at various speeds ···································· 1-12
Setting the recording duration time ····································· 1-12
Checking/changing/cancelling timer settings ······················ 1-12
Searching using the Smart Search function ························· 1-13
Adjusting the picture ··························································· 1-14
Changing menu options ······················································· 1-14
Editing with another VCR ··················································· 1-15

Additional Information ···························································· 1-15

Troubleshooting ··································································· 1-15
Index to parts and controls ··················································· 1-16

2-1.

CASE, FRONT PANEL BLOCK ASSEMBLY ·············· 2-1

2-2.

KK-22 BOARD (SE300, SE450B/D/P),
JK-179 BOARD (SE300) ················································ 2-1

2-3.

REAR PANEL ································································· 2-2

2-4.

POWER BLOCK, MA-372 BOARD ······························ 2-2

2-5.

MECHANISM DECK ····················································· 2-3

2-6.

INTERNAL VIEWS ························································ 2-4

2-7.

CIRCUIT BOARDS LOCATION ··································· 2-5

3-1.

OVERALL BLOCK DIAGRAM ···································· 3-1

3-2.

VIDEO BLOCK DIAGRAM ·········································· 3-3

3-3.

SERVO/SYSTEM CONTROL BLOCK DIAGRAM ····· 3-5

3-4.

AUDIO BLOCK DIAGRAM ·········································· 3-7

3-5.

POWER BLOCK DIAGRAM ········································· 3-9

4-1.

FRAME SCHEMATIC DIAGRAM ································ 4-3

4-2.

PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS ············································ 4-5

• MA-372 (VIDEO, AUDIO, SERVO/SYSTEM

CONTROL, TUNER, POWER SUPPLY)

PRINTED WIRING BOARD ························· 4-5

• MA-372 (1/10)(REC/PB HEAD AMP)

SCHEMA)TIC DIAGRAM ···························· 4-7

• MA-372 (2/10)(SECAM PROCESSOR)

SCHEMATIC DIAGRAM ······························ 4-9

• MA-372 (3/10)(VPD/PDC)

SCHEMATIC DIAGRAM ···························· 4-11

• MA-372 (4/10)(Y/C, AUDIO PROCESSOR)

SCHEMATIC DIAGRAM ···························· 4-13

• MA-372 (5/10)(SERVO/SYSTEM CONTROL)

SCHEMATIC DIAGRAM ···························· 4-15

• MA-372 (6/10)(USER CONTROL)

SCHEMATIC DIAGRAM ···························· 4-17

• MA-372 (7/10)(INPUT/OUTPUT)

SCHEMATIC DIAGRAM ···························· 4-19

• MA-372 (8/10)(C+ SWITCH)

SCHEMATIC DIAGRAM ···························· 4-21

• MA-372 (9/10)(TUNER)

SCHEMATIC DIAGRAM ···························· 4-23

• MA-372 (10/10)(POWER SUPPLY)

SCHEMATIC DIAGRAM ···························· 4-25

• JK-179 (LINE-2 IN)

PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ···························· 4-27

• KK-22 (DIAL TIMER)

PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ···························· 4-27

• POWER SUPPLY BLOCK

PRINTED WIRING BOARD ······················· 4-28

• POWER SUPPLY BLOCK

SCHEMATIC DIAGRAM ···························· 4-29

5-1.

SYSTEM CONTROL — VIDEO/RP BLOCK
INTERFACE (MA-372 BOARD IC162) ························ 5-1

5-2.

SYSTEM CONTROL — SERVO PERIPHERAL
CIRCUIT INTERFACE (MA-372 BOARD IC162) ······· 5-1

5-3.

SYSTEM CONTROL — MECHANISM BLOCK
INTERFACE (MA-372 BOARD IC162) ························ 5-2

5-4.

SYSTEM CONTROL — SYSTEM CONTROL
PERIPHERAL CIRCUIT INTERFACE
(MA-372 BOARD IC162) ··············································· 5-2

5-5.

SYSTEM CONTROL — AUDIO BLOCK INTERFACE
(MA-372 BOARD IC162) ··············································· 5-2

5-6.

SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-372 BOARD IC162) ················ 5-3

5-7.

MODE CONTROL PIN FUNCTIONS
(MA-372 BOARD IC420) ··············································· 5-5

6-1.

MECHANICAL ADJUSTMENTS ································· 6-1

6-2.

ELECTRICAL ADJUSTMENTS ··································· 6-1

2-1.

PREPARATION BEFORE ADJUSTMENT ··················· 6-1

2-1-1. Equipment Required ························································ 6-1
2-1-2. Equipment Connection ···················································· 6-1
2-1-3. Set-up of Adjustment ······················································· 6-1
2-1-4. Alignment Tape ······························································· 6-1
2-1-5. Input/Output Levels and Impedance ······························· 6-2
2-1-6. Adjustment Sequence ······················································ 6-2
2-2.

POWER SUPPLY CHECK ············································· 6-2

2-2-1. Output Voltage Check (MA-372 Board) ························· 6-2
2-3.

SERVO SYSTEM CHECK ············································· 6-3

2-3-1. RF Switching Position Adjustment (MA-372 Board) ····· 6-3
2-4.

AUDIO SYSTEM ADJUSTMENT ································· 6-3

2-4-1. Normal Audio System Adjustment ·································· 6-3
2-4-2. ACE Head Adjustment ···················································· 6-3
2-4-3. E-E Output Level Check ················································· 6-3
2-4-4. Frequency Response Check ············································· 6-3
2-5.

ADJUSTING PARTS LOCATION DIAGRAM ············· 6-4

7-1.

EXPLODED VIEWS ······················································ 7-1

7-1-1. FRONT PANEL AND UPPER CASE SECTION ·········· 7-1
7-1-2. CHASSIS SECTION ······················································· 7-2
7-1-3. MECHANISM DECK SECTION-1 ······························· 7-3
7-1-4. MECHANISM DECK SECTION-2 ······························· 7-4
7-1-5. MECHANISM DECK SECTION-3 ······························· 7-5
7-2.

ELECTRICAL PARTS LIST ·········································· 7-6