Sony HCD-ED2 Service Manual ▷ View online
HCD-ED2
21
21
6-9. PRINTED WIRING BOARD – DISPLAY SECTION –
• See page 13 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location
D201
B-2
D202
A-2
D203
A-1
D210
A-2
D211
A-1
D212
A-1
D216
D-1
IC201
D-3
IC202
D-2
IC203
A-1
Q201
A-1
Q216
E-1
LED+
LD203
LD201
DGND
LED BOARD
09
1
2
A
(BACK LIGHT)
R240B
R240A
1
(SIDE A)
D203
C213
IC203
C203
R257
S203
S205
S208
S207
S204
Q216
E
S206
R210A
R239
R278
S200
M203
R297
R210
IC202
C220
C232
15
25
1
1
S209
R263
D210
R290
R205
C207
R208
C205
M201
3
2
7
1
E
1
R274
C233
R210B
IC201
R282
30
31
50
51
80
81
100
1
LED+
DGND
R256
S201
R240
1
14
R255
C200
D211
D202
L201
C204
R211
R270
R258
R260
R261
R276
R281
R277
R209
R222
R226
R250
R275
R254
R253
R279
D216
R272
R280
C209
C201
C202
X201
R259
Q201
R204
R203
R246A
R247A
R248A
R246
R247
R248
R201
C206
C208
D201
R202
R285
R284
R283
R212
R230
R229
R227
S202
R294
R293
R200
R286
R287
R225
D212
09
1
2
3
4
E
D
C
B
A
DISPLAY BOARD
R262
15
CON1
M203
VOL+
EXCEPT
HK
RELAY
BOARD
CN203
I
RELAY
BOARD
CN451
K
RELAY
BOARD
W202
H
FM/
(
TUNING +
/
= 0
TUNING -
/
) +
AM/
9
FUNCTION
VOL-
M202
p
P
Z201
FLUORESSENT
INDICATOR TUBE
1/u
1
(Page 23)
RELAY
BOARD
W201
G
(Page 23)
(Page 27)
(Page 23)
(SIDE B)
DISPLAY BOARD
09
1
2
3
4
E
D
C
B
A
HCD-ED2
22
22
6-10. SCHEMATIC DIAGRAM – RELAY SECTION –
• See page 13 for Waveforms.
• See page 23 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
• See page 23 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
SCHMITT-TRIG
INVERTER
SN74HC14ANS-E05
Ver 1.2
HCD-ED2
23
23
6-11. PRINTED WIRING BOARD – RELAY SECTION –
• See page 13 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location
D200
D-3
D206
B-2
D207
A-2
D213
B-2
D214
B-3
D215
B-3
D650
D-4
D651
E-4
D652
E-4
D770
E-1
D771
D-1
IC650
E-4
IC651
D-4
Q202
D-3
Q203
D-3
Q204
A-3
Q205
B-3
Q770
D-1
Q771
D-1
Q772
D-1
Q773
E-1
(SIDE B)
RELAY BOARD
09
1
2
3
4
E
D
C
B
A
C217
R291
R215
CN102
W202
R237
W201
R288
D207
E
E
W103
D206
R238
D214
R289
R224
R213
C242
R298
R295
C241
R299
R296
C214
R776
E
B
E
C
C
C
B
E
E
M704
C210
R271
C245
CN601
C229
R651
C652
R650
R657
R236
R269
R216
R267
R245
R220
D215
M3011
M7032
M3012
M7031
C235
C236
C218
R268
D213
Q204
Q205
Q202
D200
Q203
D650
R207
R233A
R652
C246
R218
R214
R234
R235
R231B
Q772
Q770
Q771
R775
D771
D770
C799
C797
R231A
R774
C798
Q773
R265
C211
W203
R232
R233
R266
R219
R231
D652
C654
L202
R206
R654
D651
R655
R656
C651
IC651
IC650
C650
C655
C653
R653
E
E
B
(SIDE A)
RELAY BOARD
10
1
13
1
1
10
1
13
2
1
C651
25
1
2
12
11
1
19
18
2
1
8
7
14
1
1
19
R777
1
14
D217
POWER AMP
BOARD
M501
BOARD
M501
J
DISPLAY
BOARD
M202
BOARD
M202
H
FUNCTION
BOARD
M301
B
FUNCTION
BOARD
M302
C
DISPLAY
BOARD
M201
G
TAPE PRE AMP
BOARD
M7031
F
TAPE PRE AMP
BOARD
M7032
E
BD
BOARD
CNU102
A
DISPLAY
BOARD
M203
I
09
1
2
3
4
E
D
C
B
A
(Page 21)
(Page 23)
(Page 17)
(Page 19)
(Page 19)
(Page 21)
1
(Page 15)
CONTROL
BLOCK
THIS BLOCK IS
SUPPLIED AS THE
ASSEMBLED BLOCK
(Page 25)
(Page 21)
1
2
TOUCH SENSOR BOARD
09
1
2
A
M601
R601
C601
GND
(CHASSIS)
1
HCD-ED2
24
24
6-12. SCHEMATIC DIAGRAM – POWER SECTION –
• See page 13 for Waveforms.
• See page 25 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
• See page 25 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
FOR DOUBLE VOLTAGE MODEL
MODEL (MY, SP, TW, HK)
FOR SINGLE VOLTAGE MODEL
MODEL(US, CANADIAN, AEP, UK, KR)
Ver 1.1 2002.05
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