6-13. Schematic Diagram - Panel Section - Sony HCD-EC69i Service Manual

6-13. SCHEMATIC DIAGRAM - PANEL Section -

1 2 3
PANEL BOARD
A
CN301
25P
NC 1
TP301 R301 100
O-TU-CE 2
TP302 R302 100
O-TU-DI 3
TP303 R303 100
O-TU-CLK 4
TP304 R304 100
I-TU-ANSD 5
TP305 R305 100
I-TU-DO 6
B TP306 R306 100
O-FUNC-DATA 7
TP307 R307 100
O-FUNC-CLK 8
TP308 R308 100
O-POWER 9
TP309 R309 100
O-SP-RELAY/O-TP-ON 10
TP310
CD-R 11
N
TP311
CD-DAC-GND 12
TP312
MAIN CD-L 13
TP313 R311 100
BOARD
O-CD-ON/5V-ON 14
(1/2) TP314 R310 100
C CN607 I-P-MONI 15
(Page 30) TP315
D-GND 16
TP316 R315 100
I-iPod-DET 17
TP317 R313 100
I-5V/9V-DET 18
TP318 R312 100
O-iPod-RXD 19
TP319 R314 100
I-iPod-TXD 20
TP320
V-STBY 21
TP321
M-GND 22
TP322
D
CD-AVR 23
TP323
9V 24
TP324
CD-M-GND 25
E
CN608
21P
TP331
AVDD (3.3V) 1
TP332
R-OUT 2
TP333 C675 1 50V
DACGND 3
TP334
L-OUT 4
TP335 C676 1 50V
AGND 5
TP336 R317 100
RST 6
TP337 R318 100
F
BUS0 7
TP338 R319 100
BUS1 8
TP339 R320 100
P BUS2 9
TP340 R321 100
BUS3 10
TP341 R322 100
CD BUCK 11
R323
TP342 100
BOARD
CCE 12
CN201
TP343 R324 100
(Page 29) REQ 13
TP344 R433 100
SBSY 14
TP346
G C673
DGND 15
470
D-OUT 16
TP347
DVDD (3.3V) 17
TP348
VM (7V) 18
TP349
MGND 19
TP350
CD DRIVE MUTE 20
R434
ZDET
21
100
C434
0.01
H
(EC79i: UK, AUS/EC99i)
CN302
5P
C353
M+ 5 0.1
M- 4
LOADING
OPEN SW 3
BOARD
CLOSE SW 2
I DGND 1
SW351
CD LID
OPEN/CLOSE CN306
DETECT 2P
GND 1 1
CD-OPEN/CLOSE 2 2
(EC69i/EC79i: US, CND)
CN303
3P
E
J
TP361
KEY1 1
TP362
KEY2 2
KEY
TP363
BOARD
GND 3
CN313
(Page 39)
(EC99i) (EC79i: UK, AUS/EC99i)
R418 R417
15k 6.8k
K
SW318 SW317
SUBWOOFER FUNCTION
ON/OFF
Note: When the LOADING board is damaged, exchange the
entire CDM76A Assy (EC79i: UK, Australian/EC99i).
HCD-EC69i/EC79i/EC99i
• See page 40 for Waveforms. • See page 40 for IC Block Diagrams. • See page 42 for IC Pin Function Description.
4 5 6
LCD301
LIQUID CRYSTAL DISPLAY
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
I-TU-DO
O-AUDIO-DATA
O-AUDIO-CLK
O-POWER
O-SP-RELAY
8.2
O-LED
R329 R331
2.2k 100k
R325 R328
10 10k
5V-ON
R326
I-P-MONI
100 Q302, 303
+4V REGULATOR
R327
I-iPod-DET
100
4.6
I-5V/9V-DET
Q303
O-iPod-RXD
D305 2SC3052F-T1-LF
1L0341Y23E0CA602
I-iPod-TXD
(EC69i/EC79i: US, CND)
D301
SELG2WA10C LF62 MAZ8043GMLS0
(EC79i: UK, AUS/EC99i)
(STANDBY)
C301
0 0.1
0.7 0.7
Q301 C302 R330 Q304
2SC3052F-T1-LF 100 680 2SC3052F-T1-LF
LED DRIVE 10V
3.3 7.2
Q624
KTC3203Y-AT
4
+3.3V REGULATOR
O-CD-RST R722
100
I/O-BUS0
I/O-BUS1
I/O-BUS2
C671 C669
C703
I/O-BUS3 D618
100 220
2200p MAZ8039GHLS0
16V 10V
O-CD-BUCK
O-CD-CCE
I-REQ
D620 D619
O-CD-SBSY
1N4002-A2 1N4002-A2
10V
1 2 3 4 5
D307
MA2J1110GLS0
O-DR-MUTE
R441
10k
R442
22k
JW376
JW377
D306
1N4002-A2
C357
R443 C352
22
10k 10
50V
50V
R384 R383
10k 10k
I-KEY2
R387
1k
I-KEY1
R416 R415 R414 R413 R412 R386
3.9k 2.7k 2.2k 1.5k 1.2k 1k
SW315
SW316 SW314 SW313
- TUNING
EQ -
(EC79i: UK, AUS/EC99i)
FUNCTION
(EC69i/EC79i: US, CND)
7 8 9 10
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
Q302
KTA1271Y-AT
R336
4 10k
D303
MC2836
R449
47
7.5
R334
R332
3.3k
10k
R337
220
I-RST
6
R335
C305
22k I-HOLD
10
50V
4
R450
1.2k
Q304, 305
VOLTAGE DETECT
R333
100k C330
R452
3.2 0.1
33k
C304
0.1
0 Q306
RT1N441C-TP-1
0 3.2
RESET SWITCH C317
1000p
0
C303 Q305
D302
10 2SC3052F-T1-LF
MA2J1110GLS0
50V
C704
470p R716
1k
R717
68
R718
68
Q622, 624
R719
68
4
R720
22k
0 O-CD-ON
Q622
2SC3052F-T1-LF
IC303
MOTOR DRIVER
IC303
BA6956AN R362 R363
22k 22k R369
IC B/D
1k
6 7 8 9 CDM-CLOSE
R370
1k
CDM-OPEN
R445
4.7k JW302
CDM-M-
R444
4.7k JW312
CDM-M+
R447 4.4
15k
3.1
R446
C351
120k
Q307
0.1
RT1N441C-TP-1
MOTOR VREF
CONTROL
R382 R376 R377
10k 10k 10k
I-KEY-WAKE-UP/VOL
R385 R422 R379
1k 4.7k 68k
IC302
REMOTE CONTROL RECEIVER
R378
33k IC302
NJL23H400A
3 1
VCC
1
OUT
3
GND
2
2
SW301 SW303 SW302 S301
ROTARY ENCODER
DISPLAY
/ /
VOLUME
(EC69i/EC79i: US, CND)
37 37
11 12 13 14
22
C320
C319
22p
18p
X301
32.768kHz
C306
R396
470
330k
6.3V
EC69i: UK, AUS/
EC79i: UK, AUS/
100 99 98 97 96 95 94 93 92 91 90
EC99i: UK, AUS
C354
4700p
1.3
1
SEG32
O-SP-RELAY 3.2
2 O-SP-RELAY-ON/TC ON/SW ON
O-POWER 3.2
3 O-POWER
O-CD-ON 0
4 O-CD-ON
CDM-CLOSE 0
5
I-CDM-CLOSE
C355
6
NC
4700p
CDM-OPEN 3.2
7 I-CDM-OPEN/CDM-OPEN_CLOSE
CDM-M+ 3.3
8 O-CDM-M+/NC
I-RMC 3
9
I-RMC
CDM-M- 0
10
O-CDM-M-/NC
5V-ON 0
11
5V-ON
12 NC
IC301
1
13 XOA
1.6
14
X1A SYSTEM CONTROLLER
21
3.2
IC301
15
VCC
MB90F830PF-GE1
16
VSS
I/O-BUS0 0
17 I/O-CD-BUS0
I/O-BUS1 0
18 I/O-CD-BUS1
I/O-BUS2 0
19
I/O-CD-BUS2
I/O-BUS3 0
20
I/O-CD-BUS3
21 NC
22 NC
O-DR-MUTE 0 (3.2)
23
O-DR-MUTE
I-REQ 0
24
I-REQ
O-CD-BUCK 3.2
25
O-CD-BUCK
O-CD-CCE 3.2
26 O-CD-CCE
O-CD-RST 3.2
27 O-CD-RST
O-LED 3.2
28
O-LED
I-iPod-TXD 3.2
29
I-iPod-TXD
30
SCLK
R448
10k
C342
1000p
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
C321
0.1
C341
0.1
EC69i: US, CND, AUS/
R380 R390 R392
470 10k 10k EC79i: US, CND, AUS/
EC99i: US, CND, AUS
∗R391
R420 C332
R389 R391
1k (EC69i: UK/EC79i: UK/EC99i: UK)
∗ ∗ 100k 0.01
2.2k (EC69i: AUS/EC79i: AUS/EC99i: AUS)
EC69i: UK, AUS/
EC79i: UK, AUS/EC99i: UK, AUS
R381
10k
∗R389
1k (EC69i/EC79i: UK, AUS)
2.2k (EC99i)
3.9k (EC79i: US, CND)
3
3
C313
0.22
HCD-EC69i/EC79i/EC99i
Ver. 1.1
15 16 17 18
X302
6MHz
89 88 87 86 85 84 83 82 81
1.3 SEG15
80
SEG15
1.3 SEG14
79
SEG14
1.3 SEG13
78
SEG13
1.3 SEG12
SEG12 77
1.3 SEG11
76
SEG11
1.3 SEG10
75
SEG10
1.3 SEG9
74
SEG9
1.3 SEG8
SEG8 73
1.3 SEG7
72
SEG7
1.3 SEG6
71
SEG6
1.3 SEG5
70
SEG5
1.3 SEG4
69
SEG4
1.3 SEG3
SEG3 68
1.3 SEG2
67
SEG2
66
VSS
3.2
65
VCC
1.3 SEG1
64
SEG1
1.3 SEG0
SEG0 63
1.3 COM3
62
CMO3
1.3 COM2
61
CMO2
1.3 COM1
60
COM1
1.3 COM0
COM0 59
2.6
58
VLCD
0 O-TU-CLK
57
O-TU-CLK
0 O-TU-DI
56
O-TU-DI
0 O-TU-CE
55
O-TU-CE
3.2 I-RST
I-RST 54
3.2
53
MD0
3.2
52
MD1
0
51
MD2
R402 R401
100k 1k
R421
10k
C338
C336
1000p
0.1