Read Sony CDX-C7850R Service Manual online
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IC202 CXA1946BQ
IC103 MSM6688GS
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37
36
32
31
30
29
35
34
33
5
6
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9
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14
11
15
16
17 18
19 20 21 22 23 24
25
26
27
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43
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MCU I/F
STATUS
REGISTER
TEST
CIRCUIT
12BIT
ADC
LPF
12BIT
DAC
+
-
+
-
SG
CIRCUIT
ADDRESS
CONTROLLER
ADPCM
ANALYZER/
SYNTHESIZER
TIMING
CONTROLLER
OSC
DATA
I/O
REGISTER
CONTROLLER
D0
D1
D2
D3
BUSY
RPM
VPM
TEST
TEST
TEST
TEST
TEST
MCUM
CE
ACON
CS3
CS2
CS1
SADX
SADY
SADY
PDWN
TEST
TEST
AGND
RSEL2
RSEL1
RSEL1
DGND
TEST
TEST
ADIN
FOUT
AOUT
FIN
AMON
DVDD
AVDD
SG
SGC
LOUT
LINE
MOUT
MIN
CE
WR
RD
RESET
NAR
RWCK
DVDD
XT
XT
WE
DROM
DI/0
CS4
TAS
SAS
MON
37
GAIN12
38
GAIN11
39
IN14
40
IN13
41
IN12
42
IN11
INPUT SW
36
GAIN134
LOUD
VOLUME
8dB STEP
VOLUME
1dB STEP
TONE
FADER
35
LDLC1
34
LDHC1
33
INAO1
32
VRIN1
31
VOUT1
30
TIN1
29
TCLC1
28
TCLC11
27
TCLC12
26
TCO1
25
FDIN1
24 FNTO1
23 REO1
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
CONTROL
LATCH
1
GAIN234
LOUD
VOLUME
8dB STEP
VOLUME
1dB STEP
TONE
FADER
2
LDLC2
3
LDHC2
4
INAO2
5
VRIN2
6
VOUT2
7
TIN2
8
TCLC2
9
TCLC21
10
TCLC22
11
TCO2
12
FDIN2
14 REO2
13 FNTO2
VCTBUFF
VCTBUFF
VCTBUFF
SHIFT
REGISTER
ZCDET
43
IN21
44
IN22
45
IN23
46
IN24
47
GAIN21
48
GAIN22
INPUT SW
18 VCC
17 VCT
16 DATA
15 TIMER
22 CE
21 CLK
20 DGND
19 GND
45k
45k
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