— 3 —
TABLE OF CONTENTS
SERVICE NOTE
1. ERROR CODE INDICATION ··········································· 5
1 GENERAL
Getting Started ···········································································1-1
Step 1 : Unpacking ································································1-1
Step 2 : Setting up the remote commander ····························1-1
Step 3 : Hookups····································································1-2
Selecting a language ······························································1-7
Setting the clock ····································································1-7
Setting up the cable box control ············································1-9
Presetting channels ······························································1-11
Setting up the VCR Plus+ GOLD system····························1-12
Setting up the VCR Plus+ system ········································1-14
Basic Operations······································································1-15
Playing a tape·······································································1-15
Recording TV programs ······················································1-16
Recording TV programs using the Dial Timer ····················1-17
Recording TV programs using the VCR Plus+ or
VCR Plus+ GOLD system···················································1-18
Setting the timer manually···················································1-19
Additional Operations ·····························································1-19
Playing/searching at various speeds ····································1-19
Setting the recording duration time ·····································1-20
Checking/changing/canceling timer settings ·······················1-20
Recording stereo and bilingual programs ····························1-21
Searching using the Tape Guide function ····························1-21
Searching using the index function······································1-22
Searching for a selected point on the tape ···························1-22
Locating a channel by Station ID ········································1-23
Creating a favorite channel list with Station ID ··················1-23
Adjusting the picture ···························································1-23
Changing menu options ·······················································1-24
Editing with another VCR ···················································1-24
Additional Information ····························································1-25
General setup information ···················································1-25
Troubleshooting ···································································1-25
Index to parts and controls···················································1-26
2 DISASSEMBLY
2-1. CASE, FRONT PANEL BLOCK ASSEMBLY ··············2-1
2-2. DM-89 BOARD, DI-74 BOARD, JK-178 BOARD,
MF-319 BOARD ·····························································2-1
2-3. REAR PANEL ·································································2-2
2-4. MA-370 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-370 (VIDEO, AUDIO, SERVO/SYSTEM
CONTROL, TUNER, POWER)
PRINTED WIRING BOARD ·························4-5
• MA-370 (1/8)(REC/PB HEAD AMP)
SCHEMATIC DIAGRAM ······························4-7
• MA-370 (2/8)(Y/C, AUDIO PROCESS)
SCHEMATIC DIAGRAM ······························4-9
• MA-370 (3/8)(SERVO/SYSTEM CONTROL)
SCHEMATIC DIAGRAM ····························4-11
• MA-370 (4/8)(AUDIO PROCESS)
SCHEMATIC DIAGRAM ····························4-13
• MA-370 (5/8)(TUNER)
SCHEMATIC DIAGRAM ····························4-15
• MA-370 (6/8)(DISPLAY CONTROL)
SCHEMATIC DIAGRAM ····························4-17
• MA-370 (7/8)(POWER SUPPLY)
SCHEMATIC DIAGRAM ····························4-19
• MA-370 (8/8)(VSET)
SCHEMATIC DIAGRAM ····························4-21
• JK-178 (LINE-2 IN)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
(AX10/AX20/N50/N60/LX4/LX5/
LX6S/LX7S) ················································4-29
• JK-191 (LINE-2 IN)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
(N70/N80/LX8S only) ··································4-31
• DM-89 (FUNCTION)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
(N70/N80/LX8S only) ··································4-33
• MF-319 (SIRCS)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
(N70/N80/LX8S only) ··································4-35
• DI-74 (DIAL TIMER)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
(EXCEPT: AX10/N50) ·································4-36
5 INTERFACE, IC PIN FUNCTION
DESCRIPTION
5-1. SYSTEM CONTROL — MECHANISM BLOCK
INTERFACE (MA-370 BOARD IC160) ························5-1
5-2. SYSTEM CONTROL — SERVO PERIPHERAL
CIRCUIT INTERFACE (MA-370 BOARD IC160) ·······5-1
5-3. SYSTEM CONTROL — SYSTEM CONTROL
PERIPHERAL CIRCUIT INTERFACE
(MA-370 BOARD IC160)···············································5-2
5-4. SYSTEM CONTROL AND RF MODULATOR
— INPUT SELECTION BLOCK INTERFACE
(MA-370 BOARD IC160)···············································5-2
5-5. SYSTEM CONTROL — VIDEO/RP BLOCK
INTERFACE (MA-370 BOARD IC160) ························5-2
5-6. SYSTEM CONTROL — AUDIO BLOCK INTERFACE
(MA-370 BOARD IC160)···············································5-2
5-7. SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-370 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-370 Board) ·························6-2
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