
— 3 —
TABLE OF CONTENTS
Important Service Guide
◆Mode Switch (Program Switch) Assembly Point·························4
◆How to eject the cassette tape
(If the unit does not operate on condition that tape is inserted
into housing ass’y)································································· 4
1. General
Getting Started
Index to parts and controls ················································· 1-1
Step 1 : Unpacking ····························································· 1-2
Step 2 : Setting up the remote commander························· 1-2
Step 3 : Connecting the VCR ············································· 1-3
Step 4 : Setting up the VCR with the Auto
Set Up function ····················································· 1-3
Step 5 : Setting the clock ···················································· 1-4
Step 6 : Selecting the TV system········································ 1-5
Selecting a language·············································· 1-5
Presetting channels················································ 1-5
Changing/disabling programme positions············· 1-6
Basic Operations
Playing a tape ····································································· 1-7
Recording TV programmes ················································ 1-8
Recording TV programmes using the Easy Timer ············· 1-9
Recording TV programmes using the timer ····················· 1-10
Additional Operations
Playing/searching at various speeds ································· 1-11
Setting the recording duration time ·································· 1-11
Checking/changing/cancelling timer settings··················· 1-11
Recording stereo and bilingual programmes···················· 1-12
Searching using the index function ·································· 1-13
Adjusting the picture ························································ 1-13
Reducing the VCR’s power consumption ························ 1-13
Changing menu options···················································· 1-13
Editing
Connecting to a VCR or stereo system····························· 1-14
Basic editing ····································································· 1-14
Additional Information
Troubleshooting································································ 1-15
Index ················································································· 1-16
2. Disassembly
2-1 Mono Models
2-1-1 Cabinet Top ········································································ 2-1
2-1-2 Cover Bottom ····································································· 2-1
2-1-3 Ass’y-Panel Front ······························································· 2-2
2-1-4 Ass’y Main PCB, Deck ······················································ 2-3
2-2 Hi-Fi Models
2-2-1 Cabinet Top ········································································ 2-4
2-2-2 Cover Bottom ····································································· 2-4
2-2-3 Ass’y-Panel Front ······························································· 2-5
2-2-4 Ass’y Jack PCB ·································································· 2-5
2-2-5 Ass’y Main PCB, Deck ······················································ 2-6
3. P.C.Boards
3-1 Main PCB ··········································································· 3-3
3-2 Function PCB (Hi-Fi model) ·············································· 3-7
3-3 Dial Timer PCB (Hi-Fi model)··········································· 3-7
3-4 Dial Timer PCB (ED333/EZ131) ······································· 3-9
3-5 Display PCB (GA58)·························································· 3-9
4. Schematic Diagrams
◆Block Identification of Main PCB············································ 4-3
4-1 S.M.P.S. ·············································································· 4-5
4-2 Power ·················································································· 4-7
4-3 System Control/Servo························································· 4-9
4-4 Audio/Video ····································································· 4-11
4-5 Hi-Fi (Hi-Fi model) ·························································· 4-13
4-6 TM-Block ········································································· 4-15
4-7 OSD/VPS/PDC································································· 4-17
4-8 A2/NICAM (Hi-Fi model) ··············································· 4-19
4-9 Input-Output ····································································· 4-21
4-10 Function (Hi-Fi model) ···················································· 4-23
4-11 LED Signal Display (GA58) ············································ 4-25
5. Alignment and Adjustment
5-1 Reference············································································ 5-1
5-1-1 Location of adjustment button of remote control ··············· 5-1
5-1-2 Test point location for adjustment mode setting
(Mono model)····································································· 5-2
5-1-3 SW7T01 (TEST) location for adjustment mode setting
(Hi-Fi model)······································································ 5-3
5-2 Mechanical Adjustment ······················································ 5-4
5-2-1 The number and position of test point ································ 5-4
5-2-2 ACE Head Position (X-Point)Adjustment ························· 5-4
5-3 Head Switching Point Adjustment ····································· 5-5
5-4 NVRAM Option Setting····················································· 5-5
6. Repair Parts List
6-1 Exploded Views ·································································· 6-2
6-1-1 Instrument Assembly (Mono Models) ································ 6-2
6-1-2 Instrument Assembly (Hi-Fi Models)································· 6-3
6-1-3 Mechanical Parts (Top Side) ·············································· 6-4
6-1-4 Mechanical Parts (Bottom Side)········································· 6-5
6-2 Electrical Parts List ···························································· 6-6
•Hi-Fi model: ED939/EZ735/EZ737
Mono model: ED333/EZ131/GA58
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com