HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
54
54
6-28. SCHEMATIC DIAGRAM - I/O Board -
• See page 64 for Waveforms. • See page 65 for IC Block Diagrams.
4.4
9
4.4
4.4
4.4
4.4
4.4
4.4
4.4
0
0
0
4.4
4.4
4.4
9
4.4
4.4
0
4.4
9 (0)
9 (0)
4.4
4.4
4.4
4.4
9
4.4
4.4
4.4
4.4
0
0
0 (9)
0 (9)
2.4
2.6
3.3
2.4
1.4
2.5
2.4
1.8
1.4
0
1
3.3
2.4
4.9
4.9
1.7
1.3
4.9
11.8
6.8
2.5
2.5
2.5
2.5
2.5
5
2.5
11.9
9
0
0
9 (0)
9 (0)
3.2
3.2
0 (3.2)
0 (3.2)
0 (9)
9 (0)
3.2 (0)
3.2 (0)
6.3V
1000
C462
75
R439
75
R452
L404
10uH
16V
100
C456
16V
100
C458
50V
10
C470
C488
1000p
150
R445
150
R448
150
R447
50V
10
C475
JL478
1
C457
1
C454
1
C460
150
R446
47k
R507
25V
22
C559
16V
100
C541
220
C505
47k
R491
10k
R505
47k
R552
RT1N241C-TP-1
Q413
4.7k
R551
4.7k
R559
25V
22
C499
220p
C491
4.7k
R561
4.7k
R564
C548
1
25V
22
C512
16V
100
C503
220
C51
1
220p
C525
RT1N241C-TP-1
Q412
0.1
C542
10uH
L407
47k
R496
220p
C535
47k
R508
16V
100
C557
47k
R599
25V
22
C509
1k
R579
25V
22
C495
47k
R567
10k
R495
4.7k
R486
10k
R582
1k
R509
50V
1
C540
1k
R500
1k
R584
4.7k R489
47k
R566
47k
R481
4.7k
R494
3.3k
R533
RT1N241C-TP-1
Q408
4.7k R485
4.7k
R503
0.1
C556
RB501V-40TE-17
D407
RT1N241C-TP-1
Q411
25V
22
C536
R574
0
100k
R603
47k
R553
220p
C496
0.1
C552
10k
R550
220p
C521
0.1
C529
16V
100
C528
RT1N241C-TP-1
Q409
0.1
C504
220p
C537
1k
R556
4.7k
R479
4.7k
R506
0
R609
3.3k
R538
16V
47
C549
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC407
25V
22
C538
10k
R575
25V
22
C558
47k
R497
47k
R490
47k
R480
1
2
3
4
4P
CN412
F-AUDIO(L)
9V
F-AUDIO(R)
A-GND
C489
2200p
75
R468
6.3V
1000
C478
1000p
C468
JL459
JL447
JL444
JL453
JL491
JL486
JL484
JL481
JL530
JL532
JL533
JL460
JL456
JL452
JL451
JL449
JL466
JL467
JL468
JL469
JL470
JL488
JL487
JL490
JL497
JL499
JL493
JL492
JL495
JL498
JL510
JL502
JL512
JL500
JL508
JL528
JL526
JL524
JL543
JL544
JL545
JL547
JL550
JL548
JL549
JL551
0
R610
100k
R602
100k
R600
100k
R601
47k
R598
1
2
3
4
5
6
7
8
9
9P
CN414
L-CH
+ B 9V
R-CH
GND
TUNED
CE
DI
CL
DO
JL400
JL401
KIA7809API
IC413
1
3
2
MC2837
D405
(HDX576WF)
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC411
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC409
RT1N241C-TP-1
Q410
10k
R536
1k
R543
R577 0
R576 0
R563
(HDX576WF)
(HDX576WF)
(HDX576WF)
EXCEPT
HDX576WF
0
JL552
JL553
1
C622
1
C621
0.1
C620
1
2
3
4
5
6
TK11250CMCL-G
IC620
R620
1k
JL465
JL506
JL504
16V
100
C424
0.1
C420
0.1
C415
16V
100
C414
1
2
3
4
5
6
7
7P
CN415
A_SEL5
A_SEL4
A_SEL3
A_SEL2
A_SEL1
A_SEL0
V_SEL2
MC2837
D406
2200p
C482
JL482
75
R461
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
MM1758XFBE
IC404
150
R444
1
C485
JL450
1
2
3
4
5
5P
CN410
L-IN
A-GND
R-IN
A-GND
MUSIC L+R
1
2
3
4
5
6
7
8
9
9P
CN407
TV_SEL
V_SEL1
V_SEL0
A12V
ST_DI
ST_CE
ST_DO
ST_CLK
TUNED
0
R516
0
R515
0
R513
0
R514
100
R557
100
R558
C471
100p
C472
100p
MC2837
D411
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN402
WIDE
VGND
CR/R
VGND
CB/B
VGND
CY/G
VGND
C
VGND
Y
VGND
DMP_VIDEO
6V
DMP_RCH
AGND
DMP_LCH
1
2
3
4
4P
CN409
LCH
GND
RCH
A+5V
1W
R621
220
50V
C569
10
JL554
0
R585
R539
47k
R540
47k
R527
47k
R528
47k
25V
22
C530
25V
22
C524
470
R523
50V
1
C518
470
R548
8
7
6
5
4
3
2
1
NJM4558M-TE2
IC410
0.1
C526
16V
100
C527
75
R449
50V
1
C533
ASEL1
ASEL4
ASEL5
DI
CE
DO
ASEL1
ASEL2
ASEL3
ASEL4
ASEL5
VSEL1
VSEL2
VSEL0
VSEL1
ASEL2
ASEL3
VSEL0
VSEL2
ASEL0
ASEL0
TD
CK
TD
CE
DO
CK
DI
R562
0
4.7k
R504
I/O BOARD
IC411
AUDIO SELECTOR
IC410
LINE AMP
IC413
+9V REGULATOR
IC620
+5V REGULATOR
AUDIO SELECTOR
IC407
AUDIO SELECTOR
IC409
INVERTER
INVERTER
INVERTER
INVERTER
INVERTER
INVERTER
VIDEO, AMP, 75
Ω
IC404
DRIVER
R
L
L
R
P
B
/C
B
Y
P
R
/C
R
VIDEO OUT
(HDX576WF)
(HDX576WF)
(EXCEPT HDX576WF)
AUDIO IN
TV/VIDEO
AUDIO IN
TV
AUDIO IN
COMPONENT
VIDEO OUT
2P
J405
3P
J402
3P
J404
TUNER
(FM/AM)
COAXIAL
FM 75
Ω
ANTENNA
AM
6
J
18
3
21
2
F
13
16
8
N
L
19
1
D
14
10
B
M
H
15
K
11
17
C
20
E
7
A
9
4
12
G
I
5
22
23
(HDX576WF)
(HDX576WF)
EXCEPT
HDX576WF
MAZ8051GOLSO
D412
HDX277WC/HDX279W/
HDX576WF
HDX275/HDX475/
HDX675