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HCD-ED1A
Sony HCD-ED1A Service Manual
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– 13 –
SECTION 5
DIA
GRAMS
5-1. CIRCUIT BO
ARDS LOCA
TION
FUN/SURROUND boar
d
VOL/POWER board
TAPE PREAMP board
BD board
CD DOOR SW board
RELAY board
CONTROL BLK ASSY
THIS BLOCK IS SUPPLIED
AS THE ASSEMBLED BLOCK
DISPLAY board
FM/AM TUNER
THIS BLOCK IS SUPPLIED
AS THE ASSEMBLED BLOCK
12
14
Table of Contents
Default Chapter
1
Specifications
1
Leakage Test
2
Safety Check-Out
2
Using an AC Voltmeter to Check AC Leakage
2
Model Identification
3
Notes on Laser Diode Emission Check
3
Servicing Note
3
Table of Contents
3
1 General
4
Location of Parts and Controls
4
Front Panel
4
Rear Panel
4
Remote
5
Setting the Time
5
2 Disassembly
6
CD Door, CD Base and Base Unit
6
Rear Panel
6
Bottom Cover and Front Panel Block
7
Door Cover Assy and Mechanical Deck (Cassette)
7
3 Mechanical Adjustments
8
4 Electrical Adjustments
8
Record/Playback Head Azimuth Adjustment
8
Tape Speed Adjustment
9
Playback Level Adjustment
9
Record Bias Adjustment
10
Record Level Adjustment
10
CD Section
11
Focus Bias Adjustment
11
S Curve Check
11
RF Level Check
11
E-F Balance (1 Track Jump) Check
12
Focus/Tracking Gain Adjustment (RV102, RV103)
12
5 Diagrams
13
Circuit Boards Location
13
IC Pin Function
14
Ic201 Master Control
14
Schematic Diagram
16
Printed Wiring Board
17
IC Block Diagrams
26
6 Exploded Views
29
Exploded Views
29
CD Section
29
Rear Panel Section
30
Front Panel Section
31
Mechanism Deck Section (Cassette)
32
Base Unit Section (BU17-BD19)
33
7 Electrical Parts List
34
Supplement-1
43
4
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Sony HCD-ED1A Specifications
General
Brand
Sony
Model
HCD-ED1A
Category
Stereo System
Language
English
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