— 3 —
TABLE OF CONTENTS
SERVICE NOTE
1.
HOW TO RETURN THE PINCH ROLLER, GUIDE
ROLLER AND ELEVATOR CAM TO STOP MODE ······ 4
2.
HOW TO RETURN A TAPE INTO CASSETTE HALF ··· 4
3.
HOW TO REMOVE A CASSETTE FROM
A MACHINE IF A CASSETTE IS LEFT
IN A MACHINE IN TROUBLE ········································ 4
4.
HOW TO REMOVE DRUM ASSEMBLY ························ 4
1.
GENERAL
Getting Started
Unpacking ·············································································· 1-1
Setting up the remote commander ········································· 1-1
Connecting the VCR ······························································ 1-1
Tuning your TV to the VCR ·················································· 1-2
Setups – Selecting a language ················································ 1-2
Setups – Presetting channels automatically ··························· 1-3
Setups – Presetting channels manually ·································· 1-3
Setups – Setting up ShowView ·············································· 1-4
Setups – Changing/disabling programme positions ·············· 1-5
Setups – Setting the clock ······················································ 1-6
Setups – Setting the usage of 2nd Euroconnector
(SLV-E720NP/E725NP/E720VC/E717VC only) ·················· 1-6
Setting the PAY-TV/Canal Plus decoder
(SLV-E720NP/E725NP/E720VC/E717VC only) ·················· 1-7
Basic Operations
Playing a tape ········································································· 1-7
Recording TV programmes ··················································· 1-8
Recording TV programmes using ShowView ······················· 1-8
Setting the timer manually ····················································· 1-9
Additional Operations
Playing/searching at various speeds ···································· 1-10
Recording TV programmes using the quick timer ··············· 1-10
Checking/changing/cancelling timer settings ······················ 1-10
Recording stereo and bilingual programmes ······················· 1-11
Searching using the index function ······································ 1-11
Adjusting the picture ··························································· 1-12
Changing menu options ······················································· 1-12
Editing with another VCR ··················································· 1-12
Index to parts and controls ··················································· 1-13
2.
DISASSEMBLY
2-1.
CASE AND FRONT ASSEMBLY ·································· 2-1
2-2.
FR-119 BOARD (WITH DM-62 BOARD) ···················· 2-1
2-3.
RP-217 BOARD ······························································ 2-2
2-4.
MECHANISM DECK ASSEMBLY (H MECHANISM) ···· 2-2
2-5.
MA-286 AND PS-385 BOARDS ···································· 2-3
2-6.
CIRCUIT BOARDS LOCATION ··································· 2-3
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.
I/O BLOCK DIAGRAM ················································· 3-9
3-6.
TUNER BLOCK DIAGRAM ······································· 3-11
3-7.
MODE CONTROL BLOCK DIAGRAM ····················· 3-13
3-8.
POWER SUPPLY BLOCK DIAGRAM ······················· 3-15
4.
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1.
FRAME SCHEMATIC DIAGRAM ······························· 4-1
4-2.
PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS ···································································· 4-4
• RP-217 (HEAD AMP) PRINTED WIRING BOARD ··· 4-5
• RP-217 (HEAD AMP) SCHEMATIC DIAGRAM ······ 4-7
• MA-286 (VIDEO, SERVO/SYSTEM CONTROL,
AUDIO, TUNER) PRINTED WIRING BOARD ····· 4-10
• MA-286 (VIDEO, AUDIO) SCHEMATIC DIAGRAM ·· 4-13
• MA-286 (SERVO/SYSTEM CONTROL)
SCHEMATIC DIAGRAM ·········································· 4-16
• MA-286 (OSD) SCHEMATIC DIAGRAM ··············· 4-19
• MA-286 (TUNER) SCHEMATIC DIAGRAM ········· 4-21
• MA-286 (I/O) SCHEMATIC DIAGRAM ················· 4-23
• DM-62 (OPERATION SWITCHES), FR-119 (MODE
CONTROL) PRINTED WIRING BOARDS ············ 4-25
• DM-62 (OPERATION SWITCHES), FR-119 (MODE
CONTROL) SCHEMATIC DIAGRAMS ·················· 4-27
• PS-385 (POWER SUPPLY) PRINTED WIRING
BOARD AND SCHEMATIC DIAGRAM ················· 4-30
5.
REPAIR PARTS LIST
5-1.
EXPLODED VIEWS ······················································ 5-1
5-1-1. FRONT PANEL ASSEMBLY AND CASE ···················· 5-1
5-1-2. CHASSIS ASSEMBLY ··················································· 5-2
5-1-3. MECHANISM DECK ASSEMBLY-1 ···························· 5-3
5-1-4. MECHANISM DECK ASSEMBLY-2 ···························· 5-4
5-1-5. MECHANISM DECK ASSEMBLY-3 ···························· 5-5
5-1-6. MECHANISM DECK ASSEMBLY-4 ···························· 5-6
5-2.
ELECTRICAL PARTS LIST ·········································· 5-7
6.
INTERFACE, IC PIN FUNCTION
DESCRIPTION
6-1.
SYSTEM CONTROL
— SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-286 BOARD IC160) ··············································· 6-1
6-2.
SYSTEM CONTROL
— MECHANISM INTERFACE
(MA-286 BOARD IC160) ··············································· 6-2
6-3.
SYSTEM CONTROL
— SYSTEM CONTROL PERIPHERAL CIRCUIT
INTERFACE (MA-286 BOARD IC160) ························ 6-2
6-4.
SYSTEM CONTROL
— Hi-Fi AUDIO BLOCK INTERFACE
(MA-286 BOARD IC160) ··············································· 6-2
6-5.
SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-286 BOARD IC160) ················ 6-3
6-6.
TUNER/TIMER MODE CONTROL PIN FUNCTION
(FR-119 BOARD IC470) ················································ 6-4
7.
ADJUSTMENTS
7-1.
MECHANICAL ADJUSTMENTS ································· 7-1
7-2.
ELECTRICAL ADJUSTMENTS ··································· 7-1
2-1.
PREPARATION BEFORE ADJUSTMENT ··················· 7-1
2-1-1. Equipment Required ························································ 7-1
2-1-2. Equipment Connection ···················································· 7-1
2-1-3. Input Signal Check ·························································· 7-1
2-1-4. Alignment Tape ······························································· 7-1
2-1-5. Input/Output Levels and Impedance ······························· 7-2
2-1-6. Adjustment Sequence ······················································ 7-2
2-2.
POWER SUPPLY CHECK ············································· 7-2
2-2-1. Output Voltage Check (MA-286 Board) ························· 7-2
2-3.
SERVO SYSTEM CHECK ············································· 7-3
2-3-1. RF Switching Position Adjustment
(MA-286, RP-217 Boards) ·············································· 7-3
2-4.
VIDEO SYSTEM CHECKS AND ADJUSTMENT ······· 7-3
2-4-1. X’tal OSC Check (MA-286 Board) ································· 7-3
2-4-2. SYNC AGC Check (MA-286 Board) ······························ 7-4
2-4-3. White Clip/Dark Clip Check (MA-286 Board) ··············· 7-4
2-4-4. Recording Y Level Check (MA-286 Board) ··················· 7-4
2-4-5. Recording Chroma Level Check
(MA-286 Board) ······························································ 7-4
2-4-6. Playback Level Check (MA-286 Board) ························· 7-5
2-4-7. VCO Frequency Adjustment (MA-286 Board) ··············· 7-5
2-5.
AUDIO SYSTEM ADJUSTMENT ································ 7-5
2-5-1. ACE Head Adjustment ···················································· 7-5
2-5-2. E-E Output Level Check ················································· 7-5
2-5-3. Overall Output Level and Distortion Factor Check ········ 7-5
2-5-4. Overall Noise Level Check ············································· 7-5
2-6.
ADJUSTMENT PARTS LOCATION DIAGRAM ········· 7-6
