Schematic Diagram - Panel Board - Sony HCD-EC68P Service Manual

6-14. SCHEMATIC DIAGRAM - PANEL Board -

1 2 3
PANEL BOARD
A CN301
31P
TP301 R301 100
O-TU-CE
1
TP302 R302 100
O-TU-DI 2
TP303 R303 100
O-TU-CLK 3
TP304 R304 100
I-TU-ANSD 4
TP305 R305 100
I-TU-DO 5
TP306 R306 100
I/O-I2C-DATA 6
TP307 R307 100
B
O-SW-ON/I-TP-STATE 7
TP308 R308 100
I/O-I2C-CLK 8
TP309 R309 100
5V-ON/TP-REC-MUTE 9
TP310 R310 100
O-POWER 10
R311 100
I-DMP-DET/O-USB-RST
11
L TP312 R312 100
O-CD-M-MUTE
12
TP313 R313 100
O-AMP-ON
13
MAIN TP314 R314 100
BOARD O-CD-SBSY
14
(2/3) TP315 R315 100
CN803 O-CD-REQ
15
C
TP316 R316 100
(Page 32)
O-CD-CCE
16
TP317 R317 100
O-CD-BUCK 17
TP318 R318 100
I/O-BUS3 18
TP319 R319 100
I/O-BUS2 19
TP320 R320 100
I/O-BUS1 20
TP321 R321 100
I/O-BUS0 21
TP322 R322 100
O-CD-RST 22
TP323 R323 100
D I-P-MONI 23
TP324 R324 100
O-CD-ON 24
TP325
D-GND 25
TP326
V-STBY
26
TP327
M-GND
27
TP344 R433 470
I-DMP-TXD
28
TP345 R434 470
I-DMP-5V-DET
29
TP346 R435 470
O-DMP-RXD
30
NC 31
E
(EC78P: UK)
F
G
CN302
M2-
13P
TP328
M2- C311
1
0.1
TP329 M2+
M2+
2
TP330 M1-
M1-
3
TP331
M1+ C312
4
0.1
M1+
SW-COM
H 5
TP333
SW3
CD 6
TP334
MECHANISM
SW1
DECK 7
TP335
I-CHACK
8
TP336
SW2
9
TP337
I-CLOSE
10
TP38
I-STOCK
11
TP339
I-OPEN 12
TP340
I
NC 13
(EC68P/EC78P: US, CND)
J
CN311
5P
M+ 1
Q
M- 2
DGND 3
MOTOR
BOARD
CLOSE SW 4
K
CN001
(Page 39) OPEN SW 5
(Page 38)
CN306
2P
TP341
KEY B KEY-0
1
1
TP348
POWER
GND
BOARD 2
W401
L CN303
2P
TP343
KEY A KEY-1
1
CD
GND
BOARD 2
(Page 38)
R418
15k
M
SW318 SW317
PLAY MODE DSGX
TUNING MODE
HCD-EC68P/EC78P
• See page 39 for waveforms. • See page 42 for IC Block Diagrams. • See page 43 for IC Pin Function Description.
4 5 6 7
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD
I-TU-DO
1 2 3 4 5 6 7 8 9 10 11 12
I/O-I2C-DATA
O-SW-ON/I-TP-STATE
I/O-I2C-CLK
5V-ON/O-TP-REC-MUTE
O-POWER
Q302-304
+4V REGULATOR
I-DMP-DET/O-USB-RST
8.1
O-DR-MUTE
O-AMP-ON Q302
R325 R329
KTA1271Y-AT
10 2.2k
O-CD-SBSY
R331
100k
I-REQ
R326
100
O-CD-CCE
R332
10k
O-CD-BUCK
R327
100
I/O-BUS3 5.7
LED301
I/O-BUS2 4.5
1L0341Y23E0CA602
I/O-BUS1 /
Q303
2SC3052F-T1-LF
STANDBY
I/O-BUS0
O-CD-RST 0.1
I-P-MONI 0.7 R333
100k
Q301
O-CD-ON
2SC3052F-T1-LF
LED DRIVE
R328 C302
10k 10
0
50V
0.7
Q304
I-DMP-TXD R330
2SC3052F-T1-LF
680
I-DMP-5V-DET
O-DMP-TXD
R338 2.2 8.1 4.9
R339 2.2 Q307-310 Q309
KTA1273
REGULATOR R346
47k 4.9
Q310
7.7 4.8
2SC3052
R340
4.7k C308
5.1 Q311
0.1
2SA1365
R347 4.8
470
R344 4.9 M2-
2.7k
7.1
M2+
7.1
R421 C309 4.8
Q307 10k 22
Q315
ISA1235 50V
2SC3440
0 5.1
D305
0
MA2J1110GLS0
0
R341 R355
33k C343 1k
R345
Q308 4.7k 22
50V
RT1N441C
I-SW3/CDM-CLOSE
R369
1k I-SW1/CDM-OPEN
R370
I-CHACK
1k
C345
R371 0.047
1k I-SW2
R372
1k
R373
0 I-STOCK
R374
1k
R375
0
IC303
BA6956AN
IC303
D307
MA2J1110GLS0
MOTOR DRIVER
1 2 3 4 5 6 7 8 9
R441 39k
R442 22k
C353
0.1
R445
4.7k
R444
4.7k
D306
C357 R443 C352 C351
1N4002B
22 10k 10 0.1
50V 50V
R384 R383
10k 10k
R406 R405
I-KEY2
1.5k 1.2k
R385
SW305 SW303 R387
1k
SW304
TUNING +
I-KEY-WAKE-UP/VOL
FUNCTION
- TUNING
R417 R416 R415 R414 R413 R412
I-KEY1
6.8k 3.9k 2.7k 2.2k 1.5k 1.2k
R386
1k
SW316 SW315 SW314 SW313 SW312 SW311
EQ
- +
CD
8 9 10 11
LCD301
LIQUID CRYSTAL DISPLAY
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
D303
3.9
MC2836
C306
C321
R336 470 0.1
6.3V
10k
7.5
C317
R337
220 I-RST 1000p
R334 R335
10k 22k I-HOLD
3.1
C304
0.1
0 C305
10
50V
3.9
O-AMP-ON
O-POWER
3.3 Q306
RT1N441C-TP-1
O-CD-ON
0
I-SW3/CDM-CLOSE
Q305 Q305,306
I-SW2
2SC3052F-T1-LF VOLTAGE DETECT
I-SW1/CDM-OPEN
O-M1+/CDM-M+
C303
10
I-RMC
50V
O-M1-/CDM-M-
O-M2+
O-M2-
R348 R350 R352
31
4.9 47k 47k 4.9 4.9 47k
4.8 4.8 4.8
I/O-BUS0
Q312 Q314
Q313
2SA1365 2SA1365
2SA1365 I/O-BUS1
4.8 R351 4.8 4.8
470 I/O-BUS2
R349 M1- R353
470
470 I/O-BUS3
M1+
I-CHACK
4.8 4.8 4.8
I-STOCK
Q316 Q317
Q318
2SC3440 2SC3440 2SC3440
O-DR-MUTE
0 0 0
I-REQ
R356 R359 R360
O-CD-BUCK
1k 1k 1k
O-CD-CCE
O-CD-RST
LED-STBY
Q311-318
I-DMP-TXD
MOTOR DRIVE
I-DMP-5V-DET
C344 R366 R368
0.047 10k 10k
R428
47k
R426
100k
I-CLOSE/OPEN
(EC68P: AUS/EC78P: UK)
IC B/D
O-M1-/CDM-M-
O-M1+/CDM-M+
R382 R376 R377
10k IC302
10k 10k
R422 R379 REMOTE CONTROL
1k 4.7k 68k RECEIVER R380
470
IC302
NJL24H400B
R378
33k
3 1 3.1
VCC
1
3.1 I-RMC
OUT
3
R381
GND 10k C313
2 0.22
2
SW319 S301
ROTARY ENCODER
DISPLAY
VOLUME
37 37
12 13 14 15
C342
FB301
1000p
32
C354
4700p
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84
1.3
SEG32
3.1
O-AMP-ON
3.1
O-POWER
0
O-CD-ON
3.3
I-3CD-SW3/O-CDM-CLOSE
0
I-3CD-SW2/NC
0
I-3CD-SW1/O-CDM-OPEN
0
O-3CD-M1+/O-CDM-M1+
3.1
I-RMC
0
O-3CD-M1-/O-CDM-M1-
IC301
0
O-3CD-M2+/NC
0
O-3CD-M2-/NC
X301 SYSTEM CONTROLLER
1
32.768kHz
IC301
X0A
1.4 MB90F831PF-G-SPE1
C319
X1A
18p
3.1
VCC
R396 330k
C320 22p
VSS
0
I/O-CD-BUS0
0
I/O-CD-BUS1
0
I/O-CD-BUS2
0
I/O-CD-BUS3
0
I-3CD-CHACK
3.3
I-3CD-STOCK
0
O-DR-MUTE
0
I-REQ
3.1
O-CD-BUCK
3.1
O-CD-CCE
3.1
O-CD-RST
3.1
O-LED-STBY
3.3
I-USB-TXD/
I-DMP-TXD
3.3
I-USB-DO/
I-DMP-5V-DET
O-USB-RXD/
O-DMP-RXD
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
C328
0.047
C338 1000p
R420 100k
C332 0.01
C330 0.1
C348 470p
(EC78P)
(EC68P/EC78P: US, CND)
R390 R392
10k 10k
R389
∗
R391
∗
∗R389
1k (EC68P/EC78P: US, CND)
5.6k (EC78P: UK)
∗R391
1k (EC78P: UK)
2.2k (EC68P: AUS)
HCD-EC68P/EC78P
16 17
X302
6MHz
C356
0.1
W301
(CHASSIS)
83 82 81
1.3 SEG15
SEG15
1.3 SEG14
SEG14
1.3 SEG13
SEG13
1.3 SEG12
SEG12
1.3 SEG11
SEG11
1.3 SEG10
SEG10
1.3 SEG9
SEG9
1.3 SEG8
SEG8
1.3 SEG7
SEG7
1.3 SEG6
SEG6
1.3 SEG5
SEG5
1.3 SEG4
SEG4
1.3 SEG3
SEG3
1.3 SEG2
SEG2
C341 0.1
VSS
3.1
VCC
1.3 SEG1
SEG1
1.3 SEG0
SEG0
1.3 COM3
CMO3
1.3 COM2
CMO2
1.3 COM1
COM1
1.3 COM0
COM0
2.6
VLCD
0 O-TU-DI
O-TU-DI
0 O-TU-CLK
O-TU-CLK
0 O-TU-CE
O-TU-CE
3.1 I-RST
I-RST
3.1
MD0
3.1
MD1
0
MD2
R446 R447
4.7k 4.7k
D304
MA2J1110GLS0