BBK AV320T Service Manual SIGNAL PROCESS 1 SCH
54321
6
XS20
CE
TUNER_L
TUNER_R
COAX1
COAX2
OPTICAL
CON11
DVD
CD
From Audio Decoder
SR
SW
SL
AGND
FR
C
FL
AGND
-12V
+12V
R
XC103A
L
SR
XC103B
SL
SW
XC103C
C
11
10
9
8
7
6
5
4
3
2
1
XC101C
XC101B
XC101A
XC102
RX178B
XP17
CON9
XP16
CON10
R
L
R
L
R
L
VCC
GND
OUTPUT
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
R
L
R
L
R
L
DATA
CLK
DO
9
8
7
6
5
4
3
2
1
3
2
1
6
5
4
9
8
7
C109 104
RX3
RX2
DGND
RX1
AGND
AGND
1
2
3
-12V
+12V
R101 1K
R102 47K
R103 47K
R104 1K
R105 1K
R106 47K
R107 47K
R108 1K
R109 1K
R110 47K
R111 47K
R112 1K
C171
104
R152
100
R115 1K
R116 47K
R117 47K
R118 1K
R119 1K
R120 47K
R121 47K
R122 1K
R123 1K
R124 47K
R125 47K
R126 1K
L101
47uH
C101
47n
47u/16V
C102
47u/16V
C105
C106
104
VD5
F
E
D
C
B
A
V106
S8050
R139 1K
5.1CH
TUNER_R
TUNER_L
4052_B
4052_A
DVD-R
CD-R
DVD-L
CD-L
5.1CH
C110
10u/16V
12
14
15
11
1
5
2
4
6
9
B
10
A
12
14
15
11
1
5
2
4
6
9
B
10
A
12
13
2
1
5
3
6
11
10
12
13
2
1
5
3
6
11
10
VD112
10V
C108
10u/16V
C107
10u/16V
L102 47uH
N101
CD4052
X0
X1
X2
X3
Y0
Y1
Y2
Y3
INH
B
A
N111
CD4052
X0
X1
X2
X3
Y0
Y1
Y2
Y3
INH
B
A
R149 4K7
R150 4K7
N102
CD4053
X0
X1
Y0
Y1
Z0
Z1
INH
A
B
C9VEE
N103
CD4053
X0
X1
Y0
Y1
Z0
Z1
INH
A
B
C9VEE
VDD
VDD
+12V
R130
100K
R131
100K
R129
470K
R132
470K
R133
470K
R128
13
X
3
Y
16
A+6.8V
VDD
8
VSS
7
A-6.8V
VEE
13
X
3
Y
16
VDD
A+6.8V
8
VSS
7
VEE
A-6.8V
INT
4053_INT
14
FR
X
15
FL
Y
4
C
Z
16
A+6.8V
8
Vss
7
A-6.8V
14
SR
X
15
SL
Y
4
SW
Z
16
A+6.8V
8
Vss
7
A-6.8V
470K
C109
47n
A+6.8V
C110
47u/16V
6
5
4052_A
4052_B
4053_INT
5.1CH
R168 470K
N105B
R127
22K
A
B
INT
5.1CH
C153
7
4.7u/16V
4558
R136
R135
R134
22K
22K
22K
1
OUT4
2
OUT3
3
OUT2
4
OUT1
5
AVDD
6
C112
SWIN
4.7u/16V
7
GNDS
8
C115
SRIN
4.7u/16V
9
C117
SLIN
4.7u/16V
10
GNDC
11
C120
CIN
4.7u/16V
12
GNDR
13
C122
RIN
4.7u/16V
14
GNDL
15
C124
LIN
4.7u/16V
16
BYPASR
17
BYPASL
C126
18
LTRE
822
19
C127
15n
C128
0.33u
LBASS3
20
LBASS2
21
LBASS1
-12V
A-6.8V A+6.8V
C129
47u/16V
C131 47n
AV320T SIGAL PR OCESSING(1)
R170
47K
R137
220/0.5W
VD101
6.8V
N104
M62446
C132 47n
+12V
R183
470K
R185
680
DVDD
CLK
DATA
LATCH
DGND
AGND
SWOUT
SROUT
SLOUT
COUT
ROUT
LOUT
AVSS
RTRE
RBASS3
RBASS2
RBASS1
47u/16V
F
+12V-12V
N105A
2
3
4558
8 4
+12V
R184
20K
VD110
1N4148
C170
10u/16V
VD111
1N4148
P_DISP
R186
10K
1
-12V
+5VD
C111
47n
CL1
C123
4.7u/16V
CL2
CR1
C125
4.7u/16V
CR2
42
41
40
39
38
37
C113 4.7u/16V
36
C114 4.7u/16V
35
C116 4.7u/16V
34
C118 4.7u/16V
33
C119 10u/16V
32
C121 10u/16V
31
30
29
28
27
26
25
24
23
22
C137 47n
C139
822
C140
15n
C141
0.33u
C133
47u/16V
L103 100uH
C134
101
A-6.8V
C138
47u/16V
E
CLK
CLK
DATA
LAT
SW-1
SR-1
SL-1
C-1
R-1
L-1
DATA
LAT
SW-1
SR-1
SL-1
D
C-1
R-1
L-1
R141 100
C135
101
C
B
+12V
R138
220/0.5W
XS6
-12V
VD102
6.8VC130
-12V
+12V
DGND
DGND
+12V
CON4
4
3
2
1
A
1 2 3 4 56
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