Sony PHC-ZW770L Service Manual - Page 9

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Sony PHC-ZW770L Service Manual
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
3
2
DO
CLK
LD
IC302 CXA1352AS
22
21
20
19
18
17
14dB
GRAPHIC EQUALIZER
CONTROL
GRAPHIC EQUALIZER
14dB
1
2
3
4
5
6
A05
A04
11
10
8 BIT
8 BIT
R-2R+SEGMENT
R-2R+SEGMENT
R-2R+SEGMENT
D-A CONVERTOR
D-A CONVERTOR
D-A CONVERTOR
CH5
CH4
CH3
8 BIT
8 BIT
LATCH
LATCH
8 BIT
LATCH
LATCH
CH1
CH2
8 BIT
R-2R+SEGMENT
R-2R+SEGMENT
D-A CONVERTOR
D-A CONVERTOR
4
5
DI
A01
16
15
14
13
12
20dB
BIAS
20dB
7
8
9
10
11
– 43 –
A03
VSS
9
8
8 BIT
8 BIT
LATCH
8 BIT
8 BIT
6
7
A02
GND