DVR-640H-S
16
1
2
4
1
2
3
4
C
D
F
A
B
E
3.1.2 AUDIO BLOCK DIAGRAM
VHF/UHF tuner
input 1
L1
R1
L3
R3
input 3
L2
R2
L
R
SPDIFO
L
R
L
R
L
R
IC3202
BCKO
BCKI
LRCKO
LRCKI
AD
ATA
O
AD
ATA
I
SPDIFO
input 2
output
coaxial
output
audio
selector
with
electric VR
BD3823FV
IC3101
audio ADC
AK5359ET
IC3201
audio DAC
PCM
1742KE
IC3103
SELECT
IC
TV74VHC1
57FT
IC1001
UPD61
181F1-
101MN2A
EMMA2RFE
FJKB
TUJB
06D
VR b
loc
k dia
gram (A
MAIN
32
4
2
21
23
32
34
15
13
4
E
A
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299