Sony PHC-ZW770L Service Manual page 9
Personal audio system
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Also See for PHC-ZW770L:
- Operating instructions manual (72 pages) ,
- Service manual (52 pages) ,
- Service manual (10 pages)
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IC803 M62354P
VCC
VDD
A06
14
13
12
8 BIT
R-2R+SEGMENT
D-A CONVERTOR
CH6
8 BIT
LATCH
ADDRESS
DECODER
D8-D11
D0-D7
12BIT SHIFT REGISTER
1
2
DO
LD
IC302 CXA1352AS
22
21
20
19
18
CONTROL
1
2
3
4
5
A05
A04
11
10
8 BIT
8 BIT
R-2R+SEGMENT
R-2R+SEGMENT
D-A CONVERTOR
D-A CONVERTOR
CH5
CH4
8 BIT
8 BIT
LATCH
LATCH
8 BIT
LATCH
CH1
8 BIT
R-2R+SEGMENT
D-A CONVERTOR
3
4
5
CLK
DI
A01
17
16
15
14
13
14dB
20dB
GRAPHIC EQUALIZER
GRAPHIC EQUALIZER
20dB
14dB
6
7
8
9
10
– 43 –
A03
VSS
9
8
8 BIT
R-2R+SEGMENT
D-A CONVERTOR
CH3
8 BIT
LATCH
8 BIT
LATCH
CH2
8 BIT
R-2R+SEGMENT
D-A CONVERTOR
6
7
A02
GND
12
BIAS
11
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