U
V
X
Z
AB
AD
W
Y
AA
AC
Lch
Rch
Lch
Lch
Rch
Cch
Rch
SWch
SYSTEM
CONTROL
Q416
Q417
Q412
2R
Q413
J4
1L
Q406
Q408
Q407
Q409
J5
Q402
Q404
Q403
Q405
MUTE
Q600
Q601
J3
J2
INVERTER
DIGITAL
A1
D600
WH1
J1
F
OUTPUT 1
AUDIO
H
D101
D102
CN5
6ch
SURR
OUTPUT
C
FRONT
OUTPUT
MIX LINE
CN3
MAIN
u-COM
D100
(PCM/BIT STREAM)
COAXIAL
DIGITAL OUTPUT
OPTICAL
G
D11
B
IC
RESET
PAR.
SER.
CN6
D103
A
INVERTER
CD TEXT
D207
D209
D208
(AUDIO 2)
R500
R502
180
180
R501
R503
180
1K
R504
180
1K
R505
R506
470P
C490
R507
C491 470P
470P
180
R468
R466
180
C468
1K
R474
R470 750
180
180
W23
470P
C469
R469
180
180
R467
1K
R475
R471 750
C428
R440
R438
180
180
1K
R582
R442
W24
470P
470P
C422
C429
R439
R441
180
1K
R581
180
R426
180
R443
470P
180
R432
R428
1K
R578
1K
R577
W20
W19
R433
470P
C423
Q402-417
R427
C600
0.1
R429
W27
10P
L195
C601
22
R603
R602
75
R601
180
1
3
2
5
R648
220
4
2
IEC958
VCC
3
GND
C602
1
0.1
EC958
21
22
1
2
3
4
5
DGND
D+5V
AGND
AGND
220P
C603 220P
C604
L196
SDATA
L197
SBUSY
10
STATUS
M CLOSE SW/REMOTE 0
OE
17
10
+5V
STANBYLED/VSSLED
STB
+5V
+3.3V
+B
+12V
12V
35V
35V
+B
R132 100
IFD(DATA)
24
1
DGND
IFL(CS)
IFS(CLK)
DGND
R131 100
R130 100
23
25
5
4
3
2
NC
DTS/MPEG
NC
NC
9
8
7
6
35V
+5V
35V
+3.3V
+12V
12V
20
22
21
21
30
26
23
23
25
25
24
28
31
R157 47K
+5V
+B
100K
R193
R196
100K
R195
R155 47K
R191 100K
330
R192
R194 100K
330
+5V
18
BIT
O/SBUSY
22
S
D
ATA
21
REM
CD/2ch
DQSY
18
19
20
R134 100
R133 100
R161 47K
R162 47K
R159 47K
R164 47K
R165 47K
+5V
R163 47K
36
R171
R170 56K
34
33
32
R166 47K
R174 47K
M OPEN SW/REMOTE 1
MDR
VEO/IFS
MDR
VE1/IFD
IFL/MUTE
FSL/MIC-MUTE
BITL/ECHO-MUTE
23
24
25
26
28
29
30
POWER
A
VCC
27
MIX
35
32
33
34
KEY0
KEY1
KEY2
31
37
38
39
40
NC
GND
96LED
36
SET
NC
+5V
+3.3V
+5V
12V
+12V
40
12V
+5V
+5V
+12V
12V
43
42
BB-A1
41
PCMLED/DVDLED
41
43
44
42
+5V
INTERFACE
SHUTSW1/PLLED/BB-IW1
VOICEEDET/BB-SF1
47K
R198
+5V
78
18
DDATA
CMD
NC
DSPCLK
R127 470
R126 470
R128 470
9
11
13
12
11
DTS/MPEG
DLATH
96LED
39
77
21
20
19
SHUTL1/FLLED
REM
DCLK
DVDLED/PCMLED
45
18
41
80
17
16
15
14
KEY2
REG
KEY1
NC
36
33
34
13
12
11
10
KEY0
SHUTL0
RESET
STBYLED/VSSLED
42
46
32
9
8
7
6
D+5V
DGND
NC
FL-35V
35V
+5V
5
4
3
2
NC
1
CLR
P13
10
35V
14
13
12
STB
CLK
DATA
9
11
P14
P15
P16
14
13
26
R539
100
44
43
50
48
+5V
19
4
18
17
16
15
P4
P2
P1
P3
5
6
7
8
P10
P11
VSS
P12
49
51
22
21
20
VDD
P5
P6
1
2
3
P7
P8
P9
+5V
EXTAL
100
R141
R153 47K
R152 47K
15
16
11
10
9
13
NC
NC
CS
WE
14
15
16
17
DSPCLK
STATUS
CMD
GND
9
10
11
12
+5V
+5V
R150 47K
R149 47K
R147 47K
R148 47K
+B
+
X1 16MHz
470u10
C
111
MD0
NMI
STBY
VCC
6
7
8
MD1
4
5
1
C100
+5V
22K
R146
RES
XTAL
1
2
3
R151
1M
W33
+5V
+5V
R144 47K
R145 47K
R1
13
R142 47K
80
64
74
69
78
77
76
75
SRDT
D
D
ATA
DLA
TH
EMPH
PMUTE
80
79
DCLK
73
72
71
70
GND
D2
D1
D0
BANKA(A0)
A1
1
67
66
65
63
D5
D6
D7
A10
68
D3
D4
A8
62
A9
61
R
111
R1
12
220
220
220
79
78
77
75
76
80
74
72
71
70
22K
R189
63
67
66
65
64
69
68
61
62
7
STB
20
CB/B
DGND
Y/G
21
22
YOUT
DGND
CR/R
DGND
16
17
18
19
NR3
NR1
COUT
DGND
12
13
14
15
DGND
YCH
RGBH
DVDH
8
9
10
11
20
+5V
OUT
1
16
18
GND
VCC
3
2
14
13
12
R137 1K
R138 1K
R139 1K
R140 1K
SL16
XS8
3
SUBC(SBSO)
SLKCK(SCOR)
CLDCK(WFCK)
DGND
4
5
6
AGND
SBCK(EXCK)
1
2
11
3
1
12
R609
2
L198
GND
7
R190 47K
3
4
6
4
1000P
C1
16
5
6
39K
2
3
10
9
8
1
12
11
12
11
2
7
4
19
GND
TIMING
SIGNAL
CIRCUIT
SYNCHRONIZATION
PROTECTION
5
+5V
1M
R610
6
6
6
3
2
4
5
3
4
32WORD x 8BIT
DUAL PORT RAM
&
CPU
CRC
CHECKER
VCC
1
1
IC27,28
14
13
+5V
47K
R61
1
1
+5V
53
46
45
STB/BB-A0
44
45
44
R180 47K
47
46
VCC
SHUTSW0/BB-IW0
48
48
+5V
+12V
51
50
49
50
49
48
BB-SF0
MICSW/BB-MUT
R187 47K
R188 47K
49
52
51
A1
CE
BB-DEM
53
R185 47K
R186 47K
12V
+5V
57
56
55
54
A4
GND
A3
A2
57
55
54
60
59
58
A7
A6
A5
60
59
58
8
TEST
0.01
C1
12
+5V
+5V
+5V
10
9
100
R100
11
12
13
+5V
79
80
19
+5V
14
VDD
+5V
750
750
W21
W22
56K
39
IC32
IC23
IC25
IC22
IC27
IC28
IC26
-11.2V
-11.2V
-11.2V
-11.2V
-11.2V
-11.2V
-11.0V
-11.1V
2.3V
2.2V
2.3V
4.8V
4.8V
0V
0V
0V
0V
4.8V
0V
4.8V
4.8V
4.8V
4.0V
4.8V
4.0V
0V
0V
0V
0V
4.8V
0V
4.8V
4.8V
0V
4.8V
0V
4.8V
4.6V
4.8V
4.8V
4.8V
4.8V
0V
0V
4.6V
0V
-4.0V
4.8V
4.8V
4.8V
4.1V
4.3V
3.4V
4.1V
4.8V
4.8V
4.1V
0V
2.0V
4.5V
4.8V
0.5V
0V
0.2V
0V
4.8V
0V
0V
0V
0V
0V
0V
0V
0V
0V
1.3V
0V
1.7V
1.9V
4.8V
4.8V
4.8V
0V
4.6V
0V
4.8V
4.8V
4.8V
0V
2.4V
4.8V
0V
1.2V
4.7V
4.8V
1.2V
0V
0V
0V
0V
4.8V
0V
0V
3.7V
0V
4.8V
0V
4.8V
0V
0V
0V
0V
4.8V
1.8V
1.3V
2.0V
2.0V
2.9V
3.2V
4.8V
0V
0V
4.8V
4.5V
4.8V
DV-K751(K)
pcbsd2,2(
98.12.12
15:10
y [ W 11