Schematic Diagram - I/O Board - Sony HCD-HDX275 Service Manual

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675

6-28. SCHEMATIC DIAGRAM - I/O Board -

1 2 3 4
I/O BOARD
A
(HDX576WF)
J405
L
2P
AUDIO IN
R
B
VIDEO OUT
(HDX576WF)
J402
R
3P TV
AUDIO IN
TV/VIDEO
AUDIO IN
L
C
C482 2200p
(EXCEPT HDX576WF)
C488 1000p
P /C
R R
J404
3P
COMPONENT
D P B /C B
VIDEO OUT
Y
46
C468
JL459
1000p
47
E
IC B/D
IC404
VIDEO, AMP, 75Ω
DRIVER
F
45
44
G
C454 C457 C460 C475 C470
1 1 1 10
50V
C414
100
16V
C415
H 0.1
R448 R446
R447 R444 R461
150 150 150 150 75
CN402
17P
JL451
WIDE
1
VGND 2
JL449
CR/R 3
P
VGND 4
I
JL452
CB/B 5
MAIN
BOARD VGND
6
JL456
(12/12)
CY/G 7
CN4302
(Page 47) VGND 8
JL460
C 9
VGND 10
JL450
HDX275/HDX475/
Y 11
HDX675 JL465
VGND 12 C622
J (Page 49) JL466 1
DMP_VIDEO 13
JL467
6V 14
Q2
JL468
DMP_RCH 15
JL469
AGND 16
S-AIR CON JL470
BOARD DMP_LCH 17
CN110
(Page 51)
CN409
4P
JL552
Q1 LCH 1
K
GND 2
JL553
S-AIR INC
RCH 3
BOARD JL554
CN804 A+5V 4
HDX277WC/HDX279W/
HDX576WF
CN415
L
7P
JL488
A_SEL5 1
JL490
A_SEL4 2
R JL492
A_SEL3 3
JL493
A_SEL2 4
SERIPARA JL495
BOARD A_SEL1 5
JL497
CN653
A_SEL0 6
(Page
JL487 VSEL2
V_SEL2 7
48)
M
CN407
9P
JL498
TV_SEL 1
JL499
VSEL1
V_SEL1 2
JL500
VSEL0
V_SEL0 3
F JL502
N
A12V 4
JL504
ST_DI 5
MAIN JL506
BOARD
ST_CE 6
(5/12) JL508
ST_DO 7
CN606
JL510
(Page 40) ST_CLK 8
JL512
TUNED 9
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
• See page 64 for Waveforms. • See page 65 for IC Block Diagrams.
5 6 7 8 9
JL478
JL484
JL482
JL444
JL447
JL453
R439 R449 R452 R468
75 75 75 75
(HDX576WF)
C456 C458 C462 C478
100 100 1000 1000
16V 16V 6.3V 6.3V D405
MC2837
48 49
15 16 17 18 19 20 21 22 23 24 25 26 27 28 C489
2200p
D406
MC2837
14 13 12 11 10 9 8 7 6 5 4 3 2 1
41
43
L404 10uH
C485
10 1
4.4
50V
42
4.4
4.4
C621 C424 C420
100 0.1
1 16V
R445
150
4.4
4 5 6
IC B/D
IC620
+5V REGULATOR
IC620
R513
TK11250CMCL-G
3 2 1 0
C620 R620
0.1 1k
ASEL5
ASEL4
ASEL3
ASEL2
ASEL1
ASEL0
10 11 12 13 14
JL486
JL491
JL481
JL401
JL400
(HDX576WF)
R503 R506
4.7k
4.7k
R533
3.3k
R538
3.3k
(HDX576WF)
C495
C499
22 C524
22
22
25V 25V
25V
R491 R490 R508
47k 47k 47k
R486 R480 R494 R497 R528
4.7k 47k 47k 47k
4.7k
R479 C491 R481
220p
4.7k 47k
C496
220p
IC B/D IC B/D
IC407 IC409
MC14052 BDR2 MC14052 BDR2
9 4.4 9
Y0
1 VDD 16 1 Y0 VDD 16
4.4 4.4 4.4
2 Y2 X2 15 2 Y2 X2 15
4.4 0 4.4
3 Y X1 14 3 Y X1 14
4.4 0
4 Y3 X 13 4 13
Y3 X
4.4 4.4 4.4
Y1 5 12
5 X0 12 Y1 X0
Q409
INH
6 X3 11 RT1N241C-TP-1 6 INH X3 11
INVERTER
0 9 (0)
7 VEE A 10 7 VEE A 10
0
0 9 (0)
8 VSS B 9 8 9
VSS B
3.2
IC407
IC409
Q408
AUDIO SELECTOR
RT1N241C-TP-1 AUDIO SELECTOR
INVERTER R536
R495
10k 10k
0
C504 C529
0.1 0.1
R505 3.2 R550
10k 10k
C503 C528
R500 R509
100 100
R514 1k 1k
16V 16V
0
C569
10
50V
IC410
NJM4558M-TE2
D412
MAZ8051GOLSO
R621
220
1W
C472
100p
C471
100p
R558
100
54 54
15 16 17 18
R559 R564
4.7k 4.7k
C530 C536 C538
22 R566
22 22
47k
25V 25V 25V
R539 R567
47k 47k
C540
1
50V
R527 R553
47k 47k
R551 C535 R561 C537 R552
220p 220p
4.7k 4.7k 47k
R574
0
EXCEPT
HDX576WF
R562 0
R563 0
(HDX576WF)
EXCEPT
HDX576WF
R576 0 R599
47k
R577 0
(HDX576WF)
(HDX576WF)
IC B/D
IC411
MC14052 BDR2
4.4 9
1 Y0 VDD 16
4.4 4.4
2 Y2 X2 15
4.4 4.4
3 Y X1 14
0 4.4
4 13
Y3 X
4.4 4.4
5 12
Y1 X0
Q413
Q411 0
RT1N241C-TP-1 6 INH X3 11 RT1N241C-TP-1
INVERTER INVERTER
0 (9)
7 VEE A 10
9 (0) 0 (9)
0 (9)
8 9
VSS B
0 (3.2) 3.2 (0)
IC411
Q410 Q412
AUDIO SELECTOR
RT1N241C-TP-1 RT1N241C-TP-1
INVERTER R575 INVERTER
10k
9 (0) 9 (0)
C542
0.1
0 (3.2) R582 3.2 (0)
10k
R543 C541
R556 100 R579 R584
1k
1k 16V 1k 1k
R515 0
R516 0
R548 470
5 6 7 8
-
+
+
LINE AMP -
IC410
4 3 2 1
C533
1
50V
D407
RB501V-40TE-17
IC413
R523
470
+9V REGULATOR
IC413
KIA7809API
1 3
C518
I O
1
11.9 COM 9
50V
2
C526 C527 C549 C552
C548
0.1 100 47 0.1
1
16V 16V
19 20 21 22 23
CN412
4P
JL530
S
1 F-AUDIO(L)
JL532
2 9V
JL533
3 F-AUDIO(R) JACK-KEY
BOARD
4 A-GND CN106
(Page 57)
R598 47k
R602 100k
R600
100k
C558
22
R603 R609
25V
100k 0
C559
22
R601
25V R610
100k
0
R585
0
CN414
9P
JL543
L407 C557 1 L-CH
100 JL544
10uH
16V
2 + B 9V
JL545 FM 75Ω
C556
D411
0.1 3 R-CH COAXIAL
MC2837
4 GND TUNER
TD JL547 (FM/AM)
5 TUNED ANTENNA
CE JL548
6 CE
DI JL549
7 DI
JL550 AM
CK
8 CL
JL551
DO
9 DO
CN410
5P
JL528
5 MUSIC L+R
L
4
A-GND
JL526
3 R-IN
MAIN
2 A-GND BOARD
JL524
(7/12)
1 L-IN CN702
(Page 42)