Sony SLV-789HF - Video Cassette Recorder, Руководство по обслуживанию

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TABLE OF CONTENTS
SERVICE NOTE
1. ERROR CODE INDICATION ··········································· 4
1. GENERAL
Getting Started
Unpacking ··········································································· 1-1
Setting up the remote commander ······································· 1-1
Hookups ·············································································· 1-2
Selecting a language ···························································· 1-9
Setting the clock ·································································· 1-9
Setting up the cable box control ········································ 1-11
Presetting channels ···························································· 1-12
Setting up the VCR Plus+ GOLD system ························· 1-14
Basic Operations
Playing a tape ···································································· 1-16
Recording TV programs ···················································· 1-17
Locating a channel by Station ID ······································ 1-18
Recording TV programs using
the VCR Plus+ GOLD system ·········································· 1-18
Setting the timer manually ················································ 1-19
Additional Operations
Playing/searching at various speeds ·································· 1-20
Searching for a selected point on the tape ························· 1-20
Skip-searching automatically ············································ 1-21
Creating a favorite channel list with Station ID ················ 1-21
Recording TV programs using the dial timer ···················· 1-22
Setting the recording duration time ··································· 1-23
Checking/changing/canceling timer settings ····················· 1-23
Recording stereo and bilingual programs ························· 1-23
Searching using the index function ··································· 1-24
Adjusting the picture ························································· 1-24
Changing menu options ····················································· 1-25
Editing with another VCR ················································· 1-25
Additional information
General setup information ················································· 1-26
Index to parts and controls ················································ 1-26
2. DISASSEMBLY
2-1. CASE, FRONT PANEL BLOCK ASSEMBLY ·············· 2-1
2-2. MF-316 BOARD, DM-84 BOARD, DI-71 BOARD ······ 2-1
2-3. REAR PANEL ································································· 2-2
2-4. MA-342 BOARD ···························································· 2-2
2-5. MECHANISM DECK ····················································· 2-3
2-6. INTERNAL VIEWS ························································ 2-4
2-7. CIRCUIT BOARDS LOCATION ··································· 2-5
3. BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM ···································· 3-1
3-2. VIDEO BLOCK DIAGRAM ·········································· 3-3
3-3. SERVO/SYSTEM CONTROL/TUNER
BLOCK DIAGRAM ······················································· 3-5
3-4. AUDIO BLOCK DIAGRAM ·········································· 3-7
3-5. POWER BLOCK DIAGRAM ········································· 3-9
4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1. FRAME SCHEMATIC DIAGRAM ································ 4-3
4-2. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS ···································································· 4-5
• MA-342 (VIDEO, AUDIO, SERVO/SYSTEM
CONTROL,TUNER) PRINTED WIRING BOARD ·· 4-5
• MA-342 (1/8) (REC/PB AMP) SCHEMATIC
DIAGRAM ·································································· 4-7
• MA-342 (2/8) (VIDEO/AUDIO) SCHEMATIC
DIAGRAM ·································································· 4-9
• MA-342 (3/8) (SERVO/SYSTEM CONTROL)
SCHEMATIC DIAGRAM ········································· 4-11
• MA-342 (4/8) (AUDIO)
SCHEMATIC DIAGRAM ········································· 4-13
• MA-342 (5/8) (TUNER) SCHEMATIC
DIAGRAM ································································ 4-15
• MA-342 (6/8) (FRONT) SCHEMATIC
DIAGRAM ································································ 4-17
• MA-342 (7/8) (POWER SUPPLY) SCHEMATIC
DIAGRAM ································································ 4-19
• MA-342 (8/8) (V SET) SCHEMATIC DIAGRAM ·· 4-21
• DM-84 (TAPE OPERATION) PRINTED
WIRING BOARD ····················································· 4-23
• DM-84 (TAPE OPERATION) SCHEMATIC
DIAGRAM ································································ 4-24
• MF-316 (POWER, EJECT SWITCH) PRINTED
WIRING BOARD ····················································· 4-25
• MF-316 (POWER, EJECT SWITCH) SCHEMATIC
DIAGRAM ································································ 4-26
• DI-71 (DIAL TIMER SWITCH) PRINTED WIRING
BOARD AND SCHEMATIC DIAGRAM ················ 4-27
• AR-20 (ARC) PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ········································· 4-28
5. INTERFACE, IC PIN FUNCTION
DESCRIPTION
5-1. SYSTEM CONTROL — MECHANISM BLOCK
INTERFACE (MA-342 BOARD IC160) ························ 5-1
5-2. SYSTEM CONTROL — SERVO PERIPHERAL
CIRCUIT INTERFACE (MA-342 BOARD IC160) ······· 5-1
5-3. SYSTEM CONTROL — SYSTEM CONTROL
PERIPHERAL CIRCUIT INTERFACE
(MA-342 BOARD IC160) ·············································· 5-2
5-4. SYSTEM CONTROL AND RF MODULATOR
— INPUT SELECTION BLOCK INTERFACE
(MA-342 BOARD IC160) ··············································· 5-2
5-5. SYSTEM CONTROL — VIDEO/RP BLOCK
INTERFACE (MA-342 BOARD IC160) ························ 5-2
5-6. SYSTEM CONTROL — AUDIO BLOCK INTERFACE
(MA-342 BOARD IC160) ··············································· 5-2
5-7. SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-342 BOARD IC160) ················ 5-3
6. ADJUSTMENTS
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-342 Board) ························· 6-2
2-3.
SERVO SYSTEM CHECK ············································· 6-3
2-3-1. RF Switching Position Adjustment (MA-342 Board) ····· 6-3
2-4.
AUDIO SYSTEM ADJUSTMENT ································· 6-3
2-4-1. Hi-Fi Audio System Adjustment (Hi-Fi model only) ······ 6-3
2-4-2. Hi-Fi Switching Position Adjustment
(MA-342 Board) ······························································ 6-4
2-4-3. Normal Audio System Adjustment ·································· 6-4
2-4-4. ACE Head Adjustment ···················································· 6-4
2-4-5. E-E Output Level Check ················································· 6-4
2-4-6. Frequency Response Check ············································· 6-4
2-5.
ADJUSTING PARTS LOCATION DIAGRAM ············· 6-6
7. REPAIR PARTS LIST
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