BBK AV320T Service Manual DECODER 2 SCH
54321
6
F
L115
+5VD
C163
104
VD101
R125
1N4148
47K
R124
22K
C162
RR102
8*4.7K
1 2 3 4 5 6 7 8
VD104
1N4148
9
E
XS18
CON13
LAT
CE
CLK
DATA
DO
P_DIST
OK_DAT
OK_CLK
P_KT
Remote
DST
D
DCK
DDA
P10
1
P11
470
R166
2
P12
470
R167
3
P13
470
R168
4
P30
470
R169
5
P31
6
R170
7
R171
8
P34
9
P35
10
P36
11
P37
12
P25
13
P27
470
P26
470
+5V
P_SCM
P14
P_LRM
P15
P_RLYC
P16
KM
P17
R172
470
8415_INT
INT_49
+5V
9
RR103
1 2 3 4 5 6 7 8
8*4.7K
R177
10K
PH_SW
VD105
1N4148
R176
1K
V101
9014
R175
4.3K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C164
10U/16V
N116
P10(T2)
P11(T2)
P12
P13
P14
P15
P16
P17
RST/VPD
P30(RXD)
P31(TXD)
P32(INT0)
P33(INT1)
P34(T0)
P35(T1)
P36(WR)
P37(RD)
XTAL2
XTAL1
VSS
P89C238MBP/B
C211
104
104
C212
C172
47U/16V
47U/16V
40
VCC
39
P00(AD0)
38
P01(AD1)
37
P02(AD2)
36
P03(AD3)
35
P04(AD4)
34
P05(AD5)
33
P06(AD6)
32
P07(AD7)
31
/EA(VPP)
30
ALE
29
/PSEN
28
P27(A15)
27
P26(A14)
26
P25(A13)
25
P24(A12)
24
P23(A11)
23
P22(A10)
22
P21(A9)
21
P20(A8)
+5V
1 2 3 4 5 6 7 8
RR104
8*4.7K
C
Rin
Rin
R128
100K
B
Lin
Lin
R130
22K
R131
100K
R126
10K
C165
331
R127
22K
6
5
2
3
7
N111B
5532
R129
10K
C167
-12V
331
C168
104
1
N111A
5532
8 4
C170
104
C166
10U/16V
C169
10U/16V
Ain-R
Ain-L
Ain-R
Ain-L
+12V
A
N115
24C02
4
3
L108
FB
VSS
A01A12A2
SDA5SCL6TEST7VDD
8
R173
R174
470
470
+5V
49326_DO
DSPRST
SDA
SCK
DARST
49326_DI
49326_CK
49326_CS
P27
P26
P25
8415_ERR
XTAL1
XTAL2
9
DECODER(2) SCH
2320TB-1
R132
10K
C174
C175
R133
DA_SL
DA_SL
10U/16V
C171
104
R134
3.9K
5.6K
C176
272
+5V
C178
10U/16V
C181
10U/16V
C184
10U/16V
C187
10U/16V
C190
10U/16V
R136
5.6K
C179
272
R139
R140
22K
10K
C182
104
R142
R143
3.9K
5.6K
C185
272
R145
R146
5.6K
3.9K
C188
272
R148
R149
5.6K
3.9K
C191
272
DA_SR
DA_SW
DA_C
DA_R
DA_L
DA_SR
DA_SW
DA_C
DA_R
DA_L
471
6
5
R137
3.9K
2
3
6
5
2
3
6
5
2
3
7
C137
N112B
5532
R135
10K
C177
-12V
471
N112A
5532
8 4
+12V
R138
47K
C180
153
N113B
5532
R141
10K
C183
-12V
471
N113A
5532
8 4
+12V
R144
10K
C186
471
N114B
5532
R147
10K
C189
-12V
471
N114A
5532
8 4
10U/16V
C192
104
1
C138
10U/16V
C193
104
C139
10U/16V
7
C194
104
1
C140
10U/16V
C195
104
C141
7
10U/16V
C200
104
1
C142
10U/16V
C201
104
XS16
CON10
SR
1
SW
2
SL
3
AGND
4
FR
5
C
6
FL
7
AGND
8
9
10
L110
L109
FB
FB
C197
104
47U/16V
C196
104
C198
C199
47U/16V
+12V-12V
+12V
F
E
D
C
B
A
1 2 3 4 56
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