Sony SLV-LX80S, Service Manual

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TABLE OF CONTENTS
Section Title Page
SERVICE NOTE
1. ERROR CODE INDICATION ........................................... 5
1 GENERAL
Getting Started ........................................................................... 1-1
Step 2 : Setting up the remote commander ............................. 1-1
Step 3 : Hookups ..................................................................... 1-2
Selecting a language ............................................................... 1-4
Setting the clock ...................................................................... 1-4
Presetting channels .................................................................. 1-6
Basic Operations ........................................................................ 1-7
Playing a tape .......................................................................... 1-7
Recording TV programs .......................................................... 1-8
Recording TV programs using the Dial Timer ........................ 1-9
Recording TV programs using the timer ............................... 1-10
Additional Operations ............................................................. 1-11
Playing/searching at various speeds ...................................... 1-11
Setting the recording duration time ....................................... 1-11
Synchronized Recording ....................................................... 1-12
Checking/changing/canceling timer settings ........................ 1-12
Recording stereo and bilingual programs ............................. 1-13
Searching for the beginning of a timer recorded program .... 1-13
Searching using the index function ....................................... 1-13
Searching using the Time Search function ............................ 1-14
Skip-searching automatically (Quick View) ......................... 1-14
Searching for a selected point on the tape ............................ 1-14
Adjusting the picture ............................................................. 1-15
Changing menu options ........................................................ 1-15
Editing with another VCR ..................................................... 1-16
Additional Information ............................................................ 1-16
General setup information ..................................................... 1-16
Index to parts and controls .................................................... 1-17
2 DISASSEMBLY
2-1. CASE, FRONT PANEL BLOCK ASSEMBLY .............. 2-1
2-2. DM-98 BOARD, DI-81 BOARD, FJ-28 BOARD .......... 2-1
2-3. REAR PANEL ................................................................. 2-2
2-4. MA-397 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 BLOCK DIAGRAM ..... 3-5
3-4. TUNER BLOCK DIAGRAM ......................................... 3-7
3-5. AUDIO BLOCK DIAGRAM .......................................... 3-9
3-6. POWER BLOCK DIAGRAM ....................................... 3-11
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-397 (VIDEO, AUDIO, SERVO/SYSTEM
CONTROL, TUNER, POWER)
PRINTED WIRING BOARD .......................... 4-5
• MA-397 (1/7)(REC/PB HEAD AMP)
SCHEMATIC DIAGRAM ............................... 4-7
• MA-397 (2/7)(Y/C, AUDIO PROCESS)
SCHEMATIC DIAGRAM ............................... 4-9
• MA-397 (3/7)(SERVO/SYSTEM CONTROL)
SCHEMATIC DIAGRAM ............................. 4-11
• MA-397 (4/7)(AUDIO PROCESS)
SCHEMATIC DIAGRAM ............................. 4-13
• MA-397 (5/7)(TUNER)
SCHEMATIC DIAGRAM ............................. 4-15
• MA-397 (6/7)(DISPLAY CONTROL)
SCHEMATIC DIAGRAM ............................. 4-17
• MA-397 (7/7)(POWER SUPPLY)
SCHEMATIC DIAGRAM ............................. 4-19
• FJ-28 (LINE-2 IN)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ............................. 4-31
• DM-98 (FUNCTION)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ............................. 4-35
• DI-81 (DIAL TIMER)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ............................. 4-38
5 INTERFACE, IC PIN FUNCTION
DESCRIPTION
5-1. SYSTEM CONTROL — MECHANISM BLOCK
INTERFACE (MA-397 BOARD IC160) ........................ 5-1
5-2. SYSTEM CONTROL — SERVO PERIPHERAL
CIRCUIT INTERFACE (MA-397 BOARD IC160) ....... 5-1
5-3. SYSTEM CONTROL — SYSTEM CONTROL
PERIPHERAL CIRCUIT INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
5-4. SYSTEM CONTROL AND RF MODULATOR
— INPUT SELECTION BLOCK INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
5-5. SYSTEM CONTROL — VIDEO/RP BLOCK
INTERFACE (MA-397 BOARD IC160) ........................ 5-2
5-6. SYSTEM CONTROL — AUDIO BLOCK INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
5-7. SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-397 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-397 Board) ........................ 6-2
2-3.
SERVO SYSTEM CHECK ............................................. 6-3
2-3-1. RF Switching Position Adjustment (MA-397 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. HiFi Switching Position Adjustment (MA-397 Board) ... 6-4
2-4-3. Normal Audio System Adjustment .................................. 6-4
2-4-4. Audio Level and Distortion Check .................................. 6-4
2-4-5. Audio Noise Check ......................................................... 6-4
2-4-6. ACE Head Adjustment .................................................... 6-4
2-4-7. E-E Output Level Check ................................................. 6-4
2-4-8. 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
Section Title Page