Schematic Diagram - Panel Board - Sony HCD-EC55 Service Manual

7-10. 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
(Page 36) TP317 R317 100
O-CD-BUCK 11
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
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
GND
F
3
AVCC
TP342
KEY-LEFT BOARD STBY-LED 4
CN401
(Page 40)
W305 SW305
2P
TUNER/BAND
TP343
K KEY-1 1
G
2
GND
KEY-CD BOARD
W402
SW313
W306
(Page 40) TUNING +
2P
M L
TP344
1
H KEY-2
GND 2
KEY-RIGHT
L BOARD
CN403
(Page 40)
HCD-EC55/EC77/GX99
• See page 48 for Waveforms. • See page 54 for IC Pin Function Description.
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
100k
O-CD-RST
(BACK LIGHT)
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
R341 5.1
10k 2SC3440-T12-1F 5.1 5.1 2SC3440-T12-1F
33k
R343
0 470k 0 0
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
R334 0 I-RST I-SW3
10k
10 R335
10k
I-HOLD I-SW2
3.2
I-SW1
3.4 0
C317 O-M1+
1000p
0
C304
0.1 C306 I-RMC
470
6.3V
O-M1-
D302 C307
C305
MA111-TX 470
10
6.3V O-M2+
50V
O-M2-
Q305 Q306
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
I-CHACK
Q317 Q318
2SC3440-T12-1F 5.1 5.1 2SC3440-T12-1F
I-CLOSE
0 0
I-STOCK
I-OPEN
R358 R359 R360 R361
47k 470 470 47k
O-CD-BUCK
O-CD-CCE
O-CD-RST
STBY_LED R397 470
I-CD-ZDET
O-CD-M-MUTE
R380
470
3.2
1
3.2
2
R381
10k
3
C313
0.22
R389, R390
*
R389 R390
US 1K
EC55
EXCEPT US 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
* 2 R393
1K : AEP, UK,RU
2.2K : MX
10K : E3
39K : E2
100K : E51
Not Used : US,CND
39 39
12 13 14 15
X302
5MHz
C342
0.1
3.2
O-POWER
3.2
O-AMP-ON
0
2
O-FUNC-CLK
0
O-FUNC-DATA
3.4
I-CD-SW3
0
I-CD-SW2
0
I-CD-SW1
0
O-CD-M1+
3.2
I-RMC
0
O-CD-M1-
0
O-CD-M2+
0
O-CD-M2-
1.3
XOA
1
IC301
1.2
X1A
3.2
VCC IC MB90803PF-G-130E1
C321 SYSTEM CONTROLLER
0.1 VSS
0
I/O-CD-BUS0
0
I/O-CD-BUS1
0
I/O-CD-BUS2
0
I/O-CD-BUS3
0
I-CD-CHACK
0
I-CD-CLOSE
3.4
I-CD-STOCK
3.4
I-CD-OPEN
3
O-CD-BUCK
3
O-CD-CCE
3.2
O-CD-RST
3.2
O-LED-STBY
0
I-CD-ZDET
3.2
O-CD-M-MUTE
C330 0.1
US,CND
R420 C332 R388
100k 0.01
0
HCD-EC55/EC77/GX99
Ver. 1.2
16 17 18
1.4 SEG15
SEG15
1.4 SEG14
SEG14
2.1 SEG13
SEG13
2.1 SEG12
SEG12
2.1 SEG11
SEG11
1.4 SEG10
SEG10
1.4 SEG9
SEG9
1.4 SEG8
SEG8
1.4 SEG7
SEG7
1.4 SEG6
SEG6
1.4 SEG5
SEG5
1.4 SEG4
SEG4
1.4 SEG3
SEG3
1.4 SEG2
SEG2
C341 0.1
VSS
3.2
VCC
1.4 SEG1
SEG1
1.4 SEG0
SEG0
1.4 COM3
CMO3
1.4 COM2
CMO2
1.4 COM1
COM1
1.4 COM0
COM0
100k
2.7 R402
VLCD
0 O-TU-DI
O-TU-DI
0 O-TU-CLK
O-TU-CLK
0 O-TU-CE
O-TU-CE
3.2 I-RST
RESET
3.2 MD0
R401
MD0
0
3.2
MD1
0 MD2
MD2
R400 C340
0
0.047
R399
10k
No mark: CD PLAY
19