Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual online
7
7
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
SCHEMATIC DIAGRAM — PANEL BOARD —
•
See page 2 for Waveforms.
0
3.2
3.2
8.3
5.3
7.3
0
5.1
8
7.3
5.3
8
0
5.1
0
5.1
0
0
0
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
0
0.7
0
6.6
4
8.4
4.5
7.7
0.7
4
0
0
3.4
3.2
3.2
1.2
1.3
3.2
1.4
3.2
0
0
3.4
0
0
0
3.2
0
0
0
1.3
1.2
3.2
0
0
0
0
0
0
3.4
3.4
3
3
3.2
3.2
0
3.2
2.1
2.1
2.1
3.2
1.4
2.7
0
0
0
3.2
3.2
3.2
0
3.4
3
3.2
1.6
3.4
3.4
0.9
0
3.4
3.4
0
3.2
0.9
3.4
2
0
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
No mark: CD PLAY
KEY-RIGHT
KEY-LEFT
KEY-CD
BOARD
BOARD
BOARD
CN401
W402
CN403
CD MECHANISM
DECK
MAIN BOARD(1/2)
CN607
(
(
SUPPLEMENT-1
Page 4
1
2
*
*
*
*
*
*
*
(
(
SUPPLEMENT-1
Page 8
(
(
SUPPLEMENT-1
Page 8
(
(
SUPPLEMENT-1
Page 8
2SC3052F-T1-LF
Q304
2SC3052F-T1-LF
Q303
R332
10k
C301
0.1
MC2836
D303
2SC3052F-T1-LF
Q305
Q306
RT1N441C-TP-1
R335
10k
R337
0
C342
0.1
R338
2.2
R339
2.2
R340
4.7k
R342
R421
220k
C308
0.1
Q307
2SA1235TP-1EF
R343
470k
Q308
RT1N441C-TP-1
Q310
2SC3052F
-T1-LF
-T1-LF
C309
22
50V
C343
22
50V
R346
47k
10k
R347
470
R354
47k
R355
470
R348
47k
R349
470
R350
47k
R351
470
R352
47k
R353
470
R358
47k
R359
470
R360
470
R361
47k
R356
470
R357
47k
R362
22k
R364
22k
R363
22k
R366
22k
R368
22k
R367
22k
R365
22k
R397
470
C319
22p
C320
22p
32.768kHz
X301
R396
0
C321
0.1
R382
10k
C340
0.047
R327
100
R326
100
R325
10
Q301
2SC3052F-T1-LF
R328
10k
R381
10k
C313
0.22
R380
470
R383
10k
R384
10k
R402
100k
R378
47k
R379 100k
R376
22k
R377
22k
100
R301
R302 100
R303 100
R304 100
R305 100
R306 100
R307 100
R308 100
R309 100
R310 100
R311 100
R312 100
R313 100
R314 100
R315 100
R316 100
R317 100
R318 100
R319 100
R320 100
R321 100
R322 100
R323 100
C310
0.1
C311
0.1
C312
0.1
C330
0.1
1
7
8
9
10
11
12
5
6
14
19
18
17
13
16
20
15
23
24
27
21
28
26
25
22
31
33
35
30
32
36
34
29
2
3
4
LCD301
1L0341Y23E0CA602
LED301
Q309
KTA1273-Y-AT
R341
33k
Q317
2SC3440-T12-1F
Q315
2SC3440-T12-1F
Q318
2SC3440-T12-1F
Q316
2SC3440-T12-1F
Q313
2SA1365-T112-1EF
Q311
2SA1365-T112-1EF
Q314
2SA1365-T112-1EF
Q312
2SA1365-T112-1EF
S301
R399 10k
2.2k
R406
2.2k
R413
1k
R405
1k
R412
MA111-TX
MA111-TX
MA111-TX
D302
KTA1271Y-AT
Q302
R334
10k
R331
100k
C302
10
50V
R345
4.7k
R344
2.7k
R324 100
R333
100k
R336
10k
C304
0.1
C307
470
6.3V
C305
10
50V
C303
10
50V
C317
1000p
R401
0
R400
0
R369
1k
R370
1k
R371
1k
R372
1k
R373
1k
R374
1k
R375
1k
R385
1k
R386
1k
R387
1k
22k
R419
100k
R420
D304
C332
0.01
C306
6.3V
470
R389
R392
R390
R393
TP301
TP302
TP303
TP304
TP305
TP306
TP307
TP308
TP309
TP310
TP311
TP312
TP313
TP314
TP315
TP316
TP317
TP318
TP319
TP320
TP321
TP322
TP323
TP324
TP325
TP326
TP327
TP328
TP329
TP330
TP331
TP332
TP333
TP334
TP335
TP336
TP337
TP38
TP339
TP340
TP341
TP343
TP344
5MHz
X302
NJL24H400A
IC302
R329
2.2k
MAZ8043GMLS0
D301
D305
TP342
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN302
M2-
M2+
M1-
M1+
SW-COM
SW3
SW1
SW7
SW2
SW6
SW5
SW8
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN301
M-GND
V-STBY
D-GND
O-CD-ON
I-P-MONI
O-CD-RST
I/O-BUS0
I/O-BUS1
I/O-BUS2
I/O-BUS3
O-CD-BUCK
O-CD-CCE
O-CD-REQ
O-CD-SBSY
O-AMP-ON
O-CD-M-MUTE
I-CD-ZDET
O-POWER
O-TP-REC-MUTE
O-FUNC-CLK
I-TP-STATE
O-FUNC-DATA
I-TU-DO
I-TU-ANSD
O-TU-CLK
O-TU-DI
O-TU-CE
R330
680
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC MB90803PF-G-130E1
IC301
O-POWER
O-AMP-ON
O-FUNC-CLK
O-FUNC-DATA
I-CD-SW3
I-CD-SW2
I-CD-SW1
O-CD-M1+
I-RMC
O-CD-M1-
O-CD-M2+
O-CD-M2-
XOA
X1A
VCC
VSS
I/O-CD-BUS0
I/O-CD-BUS1
I/O-CD-BUS2
I/O-CD-BUS3
I-CD-CHACK
I-CD-CLOSE
I-CD-STOCK
I-CD-OPEN
O-CD-BUCK
O-CD-CCE
O-CD-RST
O-LED-STBY
I-CD-ZDET
O-CD-M-MUTE
O-CD-REQ
A
VCC
I-TU-DO
O-TP-REC-MUTE
A
VSS
I-P-MONI
I-KEY1
I-KEY2
I-TU-ANSD
I-TP-ST
A
TE
I-KEY
-W
AKE
I-HOLD
O-CD-SBSY
GND
O-LED
I-MODEL
I-SUFFIX
I-RE-VOL
O-CD-ON
NC
MD2
MD1
MD0
RESET
O-TU-CE
O-TU-CLK
O-TU-DI
VLCD
COM0
COM1
CMO2
CMO3
SEG0
SEG1
VCC
VSS
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
VCC
VSS
X1
X0
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
0
R388
SW303
FUNCTION
SW304
SW305
TUNER/BAND
SW311
SW312
SW313
W304
4P
1
KEY-0
2
GND
3
AVCC
4
STBY-LED
W305
2P
1
KEY-1
2
GND
W306
2P
1
KEY-2
2
GND
C341 0.1
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
I/O-BUS0
I/O-BUS1
I/O-BUS2
I/O-BUS3
O-CD-BUCK
O-CD-CCE
O-CD-REQ
O-CD-SBSY
O-AMP-ON
O-CD-M-MUTE
I-CD-ZDET
O-POWER
O-TP-REC-MUTE
O-FUNC-CLK
I-TP-STATE
O-FUNC-DATA
I-TU-DO
I-TU-ANSD
O-TU-CLK
O-TU-DI
O-TU-CE
I-P-MONI
O-CD-RST
I-STOCK
I-CLOSE
I-SW2
I-CHACK
I-SW1
I-SW3
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
M2-
M1+
M1-
O-M2+
O-M1-
O-M1+
I-OPEN
SEG31
I-RST
I-HOLD
O-POWER
O-AMP-ON
O-FUNC-CLK
O-FUNC-DATA
I-RMC
I-VOL
O-TP-REC-MUTE
O-CD-SBSY
O-LED
I-MODEL
I-SUFIX
O-TU-DI
O-TU-CLK
O-TU-CE
O-CD-ON
I-TU-DO
I-KEY1
I-KEY2
I-TU-ANSD
I-KEY
-W
AKE
I-HOLD
I-VOL
I-KEY-WAKE
I-KEY1
I-KEY2
O-CD-M-MUTE
I-SUFIX
I-MODEL
O-M1+
O-M1-
O-M2+
O-M2-
O-CD-BUCK
O-CD-CCE
O-CD-RST
I-SW3
I-SW2
I-SW1
I/O-BUS0
I/O-BUS1
I/O-BUS2
I/O-BUS3
I-CHACK
I-CLOSE
I-STOCK
I-OPEN
I-CD-ZDET
O-CD-ON
M2-
M2+
M1-
M1+
I-P-MONI
STBY_LED
STBY_LED
I-RST
MD2
COM3
COM1
SEG0
COM2
COM0
SEG1
MD0
I-TP-ST
A
TE
I-RMC
C327
0.047
C326
0.047
C325
0.047
C328
0.047
O-LED
M2+
O-CD-REQ
Q307~Q310
CD MOTOR
CONTROLLER
CD MOTOR
CONTROLLER
Q311~Q318
DRIVER
MOTOR
LED DRIVER
+3.6VREG
RESET
SWITCH
+3.6VREG
RESET
RESET
(LIQUID CRYSTAL DISPLAY)
US,CND
VOLUME
SYSTEM CONTROLLER
REMOTE
CONTROL
RECEIVER
RECEIVER
1
2
3
TUNING +
TUNING –
M
L
M
L
CD u
x
F
G
H
I
PANEL BOARD
EC55
EC77
GX99
US,CND
US,CND
US,CND
US,CND
AEP,UK,RU
E2
E3,KR,SP
E51,AR
MX
R392
R393
R389,
R389
R390
R390
1K :
1K
1K
22K
100K
100K :
AUS
6.8K :
10K
10K
10K :
10K : EXCEPT AEP,UK
39K :
2.2K :
4.7K
47K
(BACK LIGHT)
EXCEPT
US,CND
EXCEPT
3.3K
1
2
1
2
Not Used : AEP,UK
Not Used : US,CND
C316
0.047
C315
0.047
C314
0.047
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
B
C
D
E
F
G
H
I
J
K
L
Ver. 1.2
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