Schematic Diagram - Panel Board - Sony HCD-EC68 Service Manual

7-14. SCHEMATIC DIAGRAM - PANEL Board -

1 2 3
PANEL BOARD
A
CN304
27P
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
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
(2/2) TP315 R315 100
O-CD-REQ
CN607 15
C
TP316 R316 100
(Page 29)
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
E
F
G
CN302
13P
TP328
C311
M2-
1
0.1
TP329
M2+
2
TP330
M1-
3
TP331
M1+ C312
4
0.1
H SW-COM 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
J
CN306
2P
TP341
KEY B KEY-0
1 1
POWER TP348
GND
BOARD 2
W401
(Page 34)
CN303
2P
K
TP343
KEY A KEY-1
1
CD
GND
BOARD 2
(Page 34)
R418
15k
L
SW318 SW317
DSGX
PLAY MODE
TUNING MODE
HCD-EC68/EC78
• See page 37 for waveforms. • See page 40 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
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
8.1
O-DR-MUTE
O-AMP-ON
Q302
R325 R329
KTA1271Y-AT
10 2.2k
O-CD-SBSY
R331
I-REQ 100k
R326
100
O-CD-CCE
R332
O-CD-BUCK 10k
R327
100
I/O-BUS3 5.7
LED301
I/O-BUS2 1L0341Y23E0CA602 4.5
I/O-BUS1 /
Q303
STANDBY 2SC3052F-T1-LF
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
R330
2SC3052F-T1-LF
680
Q307-310
R338
REGULATOR
2.2 8.1 4.9
R339 2.2 Q309
KTA1273
R346
47k
Q310
7.7 4.8
R340 2SC3052
4.7k C308
5.1 Q311
0.1
2SA1365
R347
470
R344 4.9 M2-
7.1 2.7k
M2+
7.1
C309
R421
Q307 10k 22
50V Q315
ISA1235
2SC3440
0 5.1
D305
0
MA2J1110GLS0
0
R341 R355
33k R345 C343 1k
22
Q308 4.7k
50V
RT1N441C
M2-
M2+
M1-
M1+
I-SW3/CDM-CLOSE
R369
1k I-SW1/CDM-OPEN
R370
I-CHACK
1k
C345
R371
0.047
I-SW2
1k
R372
1k
R373
I-STOCK
0
R374
1k
R375
0
R384 R383
10k 10k
R406 R405
1.5k 1.2k I-KEY2
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
LCD301
LIQUID CRYSTAL DISPLAY
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
D303
3.9
MC2836
C306 C321
R336 470 0.1
6.3V
10k
7.5
R337 C317
I-RST
220 1000p
R334 R335
10k
22k I-HOLD
3.1
C304
0.1
C305
0
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
C303
10 I-RMC
50V
O-M2+
O-M2-
Q311-318
MOTOR DRIVE
R348 R350 R352
31
47k 47k 47k
4.9 4.9 4.9 4.9
4.8 4.8 4.8
I/O-BUS0
Q312 Q314
Q313
2SA1365 2SA1365
2SA1365 I/O-BUS1
4.8 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 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
C344 R366 R368
0.047 10k 10k
R428
47k
R426
100k
I-CLOSE/OPEN
(SUFFIX-12)
(SUFFIX-13)
R382 R376 R377
10k 10k 10k IC302
R385 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
10k
GND C313
2
0.22
2
SW319 S301
ROTARY ENCODER
DISPLAY
VOLUME
33 33
11 12 13 14
C342
FB301
1000p
32
C354
4700p
100 99 98 97 96 95 94 93 92 91 90 89 88 87
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
O-3CD-M1+/O-CDM-M1+
3.1
I-RMC
O-3CD-M1-/O-CDM-M1-
IC301
0
O-3CD-M2+/NC
0
O-3CD-M2-/NC
SYSTEM CONTROLLER
X301
1
32.768kHz
XOA IC301
MB90803PF-G-135E1
1.4
C319
X1A
18p (SUFFIX-12)
3.1
VCC
R396 330k
C320 22p (SUFFIX-13)
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
I-USB-TXD/
I-DMP-TXD
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
R425
0
(EC68: UK)
R390 R392
10k 10k
EC68: RU, E2, E3, E51,
MX, AR, AUS/
EC78: RU, E2, E3, E51,
MX, AR
R389
*
R391
*
*R389
27k (EC68: UK)
47k (EC68: AEP, RU, E2, E3, E51, MX, AR, AUS)
100k (EC78)
*R391
1k (EC68: AEP, UK, RU/EC78: AEP, RU)
2.2k (EC68: AUS)
5.6k (EC68: E3/EC78: E3)
47k (EC68: E2/EC78: E2)
100k (EC68: E51, MX, AR/EC78: E51, MX, AR)
Note: Refer to "SUFFIX-12/SUFFIX-13 DISCRIMINATION
HCD-EC68/EC78
15 16 17
X302
6MHz
C356
0.1
W301
(CHASSIS)
86 85 84 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
OF PANEL BOARD" (page 3) of the servicing notes
for suffi x-12 and suffi x-13.