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HCD-EC50
Sony HCD-EC50 Service Manual
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30
30
HCD-EC50
HCD-EC50
6-13.
SCHEMA
TIC DIA
GRAM
— AMP SECTION —
R228
R227
R251
R252
R253
R233
R232
R231
R224
R223
R225
R226
R247
R242
Q243
R248
R249
R246
R243
R245
R244
Q241
D241
Q244
JW202
R207
R208
R212
R214
R216
R215
R213
R211
R218
R220
R219
R217
R203
R205
R206
R204
R222
R221
JW201
R201
R202
C205
C206
R236
R235
C252
C251
C211
Q201
C212
Q202
C244
C203
C204
C201
C202
C254
C253
TH241
R234
R241
R210
C208
R209
C207
C209
C210
Q242
IC202
WH102
WH101
2.2k
2.2k
100
100
10k
10k
220
220
10k
10k
22k
22k
470k
10k
2SC3052F
10k
2.2k
10k
1k
2.2k
100k
2SC3052F
MC2838
2SA1235F
100
100
47k
10k
1k
1k
10k
47k
1k
1k
1k
1k
47k
10k
10k
47k
22k
22k
0
0
100p
100p
0.22
2W
0.22
2W
0.1
50V
0.1
50V
2200p
2SA2026
2200p
2SA2026
0.01
4.7
50V
4.7
50V
220p
220p
2200p
2200p
100K
10k
10k
2.2k
2200p
2.2k
2200p
10p
10p
2SA1235TP
5P
5P
JW
JW
STK432-050
POWER AMP
29
31
Table of Contents
Default Chapter
1
Specifications
1
Table of Contents
2
1 Servicing Notes
3
2 General
4
3 Disassembly
6
Disassembly Flow
6
Side Panel (L) and Side Panel (R)
6
Top Section
6
Front Panelsection
6
PANEL Board
6
JACK Board
6
MAIN Board
6
CD Section and Base Unit
6
(BU-K6BD83S-WOD) Section
6
CD Section and Base Unit BU-K6BD83S-WOD) Section
10
Chassis (Main Mold)
11
PT Board and Power Transformer
11
4 Mechanical Adjustments
12
5 Electrical Adjustments
12
6 Diagrams
16
Block Diagram - BD/DRIVER Section
18
Block Diagram - TUNER Section
19
Block Diagram - MAIN Section
20
Printed Wiring Board - BD Section
21
Schematic Diagram - BD Section
22
Printed Wiring Board - MAIN Section
23
Schematic Diagram - MAIN Section (1/3)
24
Schematic Diagram - MAIN Section (2/3)
25
Schematic Diagram - MAIN Section (3/3)
26
Printed Wiring Board - PANEL Section
27
Schematic Diagram - PANEL Section
28
Printed Wiring Board - AMP Section
29
Schematic Diagram - AMP Section
30
Printed Wiring Board - POWER Section
31
Schematic Diagram - POWER Section
31
7 Exploded Views
38
Overall Section
38
Front Panel Section
39
Chassis Section
40
Top Section
41
CD Section and Base Unit (Bu-K6Bd83S-Wod) Section
42
(BU-K6BD83S-WOD) Section
43
8 Electrical Parts List
43
Revision History
78
4
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Sony HCD-EC50 Specifications
General
Brand
Sony
Model
HCD-EC50
Category
Stereo System
Language
English
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