
— 3 —
TABLE OF CONTENTS
Important Service Guide
◆Mode Switch (Program Switch) Assembly Point·························4
◆How to eject the cassette tape
(If the tape is stuck in the unit)·············································· 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··················· 1-12
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···················································· 1-14
Editing
Connecting to a VCR or stereo system····························· 1-14
Basic editing ····································································· 1-15
Additional Information
Troubleshooting································································ 1-15
Index ················································································· 1-16
2. Disassembly and Reassembly
2-1 Cabinet and PCB
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 Jack PCB································································· 2-2
2-1-5 Ass’y Main-PCB, Deck····················································· 2-3
2-2 VCR Deck Parts Locations
2-2-1 Top View ··········································································· 2-4
2-2-2 Bottom View······································································ 2-6
2-3 VCR DECK
2-3-1 Holder FL CassetteAss’y Removal ·································· 2-7
2-3-2 Lever FL Door Removal ··················································· 2-7
2-3-3 Slider FL Drive, Gear FL Cam Removal ·························· 2-8
2-3-4 Lever FLArm Ass’y Removal ·········································· 2-8
2-3-5 Gear Worm Wheel Removal·············································· 2-9
2-3-6 Cable Flat Removal ··························································· 2-9
2-3-7 Motor Loading Ass’y Removal ······································· 2-10
2-3-8 Bracket Gear, Gear Joint 2, 1 Removal ··························· 2-10
2-3-9 Gear Loading Drive, Slider Cam,
Lever Load S, T Ass’y Removal ····································· 2-11
2-3-10Gear Loading Drive, Slider Cam,
Lever Load S, TAss’y Assembly ···································· 2-11
2-3-11Lever Pinch Drive, Lever Tension Drive Removal·········· 2-12
2-3-12Lever Tension Ass’y, Band Brake Ass’y Removal ·········· 2-12
2-3-13Lever Brake S, TAss’y Removal ···································· 2-13
2-3-14Gear IdleAss’y Removal ················································ 2-13
2-3-15Disk S, T Reel Removal ·················································· 2-14
2-3-16Holder ClutchAss’y Removal········································· 2-14
2-3-17Lever Up Down Ass’y, Gear Center Ass’y Removal ······ 2-15
2-3-18Guide Cassette Door Removal ········································ 2-15
2-3-19Lever Unit Pinch Ass’y, Plate Joint,
Spring Pinch Drive Removal··········································· 2-16
2-3-20Lever #9 Guide Ass’y Removal ······································ 2-16
2-3-21FE Head Removal ··························································· 2-17
2-3-22ACE Head Removal ························································ 2-17
2-3-23Slider S, TAss’y Removal ·············································· 2-18
2-3-24Plate Ground Deck, CylinderAss’y Removal················· 2-18
2-3-25Belt Pulley Removal························································ 2-19
2-3-26Motor CapstanAss’y Removal ······································· 2-19
2-3-27Post #8 GuideAss’y Removal········································· 2-20
2-3-28Level Head Cleaner Ass’y Removal ······························· 2-20
2-3-29How to Eject the Cassette Tape ······································· 2-20
2-4 The Table Of Cleaning, Lubrication and
Replacement Time About Principal Parts ······················· 2-21
3. P.C.Boards
3-1 Main PCB ··········································································· 3-3
3-2 Dial Timer PCB (Hi-Fi model)··········································· 3-7
3-3 Front A/V PCB (Hi-Fi model)············································ 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 (RCA) ························································· 4-21
4-10 Function (Hi-Fi model) ···················································· 4-23
4-11 LED Signal Display (GA59ME/GA59SG) ······················ 4-25
5. Alignment and Adjustments
5-1 VCR Adjustment ································································ 5-1
5-1-1 Location of adjustment button of remote control ··············· 5-1
5-1-2 Test point location for adjustment mode setting ················ 5-2
5-2 Head Switching Point Adjustment ····································· 5-3
5-3 NVRAM Option Setting····················································· 5-3
5-4 VCR Mechanical Adjustment············································· 5-5
5-4-1 Tape Transport System and Adjustment Location·············· 5-5
5-4-2 Tape Transport System Adjustment···································· 5-6
5-4-3 Reel Torque ······································································ 5-11
6. Repair Parts List
6-1 Exploded Views ·································································· 6-2
6-1-1 Instrument Assembly (Mono model)·································· 6-2
6-1-2 Instrument Assembly (Hi-Fi model)··································· 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
•Mono model:ED343ME/ED343SG/EZ141AZ/GA59ME/GA59SG
Hi-Fi model: ED949ME/ED949SG/EZ745AZ
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com