Table Of Contents - Sony SLV-798HF Service Manual

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SERVICE NOTE
1. ERROR CODE INDICATION ··········································· 6
2. HOW TO REPLACE A ROTARY UPPER DRUM ··········· 7
2-1. HOW TO REMOVE A ROTARY UPPER DRUM ············ 7
2-2. HOW TO ATTACH A NEW ROTARY UPPER DRUM ···· 7
1. GENERAL
Getting Started
Unpacking ·············································································· 1-1
Setting up the remote commander ········································· 1-1
Hookups ················································································· 1-1
Selecting a language ······························································ 1-7
Setting the clock ···································································· 1-7
Setting up cable box control ·················································· 1-9
Presetting channels ······························································ 1-10
Setting up VCR Plus+ ·························································· 1-11
Basic Operations
Playing a tape ······································································· 1-12
Recording TV programs ······················································ 1-13
Recording TV programs using VCR Plus+ ························· 1-14
Setting the timer manually ··················································· 1-14
Additional Operations
Playing/searching at various speeds ···································· 1-15
Searching for a selected point on the tape ··························· 1-16
Skip-searching automatically ··············································· 1-16
Recording TV programs using the quick timer ··················· 1-16
Checking/changing/cancelling timer settings ······················ 1-17
Recording stereo and bilingual programs ···························· 1-17
Adjusting the picture ··························································· 1-18
Changing menu options ······················································· 1-18
Editing with another VCR ··················································· 1-18
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Additional Information
General setup information ··················································· 1-19
Index to parts and controls ··················································· 1-19
2. DISASSEMBLY
2-1. UPPER CASE,
FRONT PANEL BLOCK ASSEMBLY ·························· 2-1
2-2. FR-130 BOARD, DM-74 BOARD ································· 2-1
2-3. REAR PANEL ································································· 2-1
2-4. POWER BLOCK, MA-318 BOARD
(WITH S MECHANISM DECK) ··································· 2-2
2-5. S MECHANISM DECK ················································· 2-2
2-6. INTERNAL VIEWS ························································ 2-3
2-7. INTERNAL VIEWS ························································ 2-4
3. BLOCK DIAGRAMS
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. MODE CONTROL BLOCK DIAGRAM ······················· 3-9
3-6. TUNER BLOCK DIAGRAM ······································· 3-11
3-7. POWER SUPPLY BLOCK DIAGRAM ······················· 3-13
4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1. FRAME SCHEMATIC DIAGRAM ································ 4-1
4-2. PRINTED WIRING BOARDS AND
www
SCHEMATIC DIAGRAMS ············································ 4-2
• MA-318
(REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL,
AUDIO, TUNER)
.
PRINTED WIRING BOARD ························· 4-2
• MA-318 (REC/PB AMP) SCHEMATIC DIAGRAM ·· 4-5
• MA-318 (VIDEO, NORMAL AUDIO)
SCHEMATIC DIAGRAM ······························ 4-8
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• MA-318 (SERVO/SYSTEM CONTROL)
SCHEMATIC DIAGRAM ···························· 4-11
• MA-318 (ON SCREEN DISPLAY)
SCHEMATIC DIAGRAM ···························· 4-15
• MA-318 (DSF) SCHEMATIC DIAGRAM ················ 4-17
• MA-318 (V-SET) SCHEMATIC DIAGRAM ············ 4-19
• MA-318 (AFM AUDIO)
SCHEMATIC DIAGRAM ···························· 4-21
• MA-318 (TUNER) SCHEMATIC DIAGRAM ·········· 4-23
• MA-318 (POWER SUPPLY, AV-BUS)
SCHEMATIC DIAGRAM ···························· 4-25
• FR-130 (MODE CONTROL)
PRINTED WIRING BOARD ······················· 4-27
• FR-130 (MODE CONTROL)
SCHEMATIC DIAGRAM ···························· 4-29
• DM-74 (OPERATION SWITCHES)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ···························· 4-31
• JK-159 (LINE-2 IN)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ···························· 4-33
• POWER BLOCK SR801 (SWITCHING REGULATOR)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ···························· 4-35
• POWER BLOCK SR709 (SWITCHING REGULATOR)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ···························· 4-37
5. INTERFACE, IC PIN FUNCTION
DESCRIPTION
5-1. SYSTEM CONTROL -
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VIDEO BLOCK INTERFACE
(MA-318 BOARD IC161) ··············································· 5-1
5-2. SYSTEM CONTROL -
SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-318 BOARD IC161) ··············································· 5-1
5-3. SYSTEM CONTROL -
MECHANISM INTERFACE
(MA-318 BOARD IC161) ··············································· 5-2
5-4. SYSTEM CONTROL -
SYSTEM CONTROL PERIPHERAL
CIRCUIT INTERFACE (MA-318 BOARD IC161) ······· 5-2
5-5. SYSTEM CONTROL -
AUDIO BLOCK INTERFACE
(MA-318 BOARD IC161) ··············································· 5-2
5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-318 BOARD IC161) ················ 5-3
5-7. TUNER/TIMER MODE CONTROL PIN FUNCTIONS
(FR-130 BOARD IC460) ················································ 5-4
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. Input Signal Check ·························································· 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
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2-2-1. Output Voltage Check (MA-318 Board) ························· 6-2
2-3. SERVO SYSTEM CHECK ············································· 6-3
.
2-3-1. RF Switching Position/
AF Switching Position Adjustments (MA-318 Board) ··· 6-3
2-4. VIDEO SYSTEM CHECKS AND ADJUSTMENT ······· 6-4
2-4-1. X'tal OSC Check (MA-318 Board) ································· 6-4
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