Sony HCD-EC55 Service Manual page 83

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