Sony CDX-C880R Service Manual page 40

IC103 MSM6688GS
56 55 54 53 52
D0 1
D1 2
MCU I/F
3
D2
4
D3
BUSY 5
STATUS
RPM 6
REGISTER
VPM 7
ACON 8
TEST 9
MCUM
10
CE 11
12
TEST TEST
CIRCUIT
TEST 13
TEST 14
12BIT
ADC
15 16
IC202 CXA1946BQ-T6
36 35 34 33
VOLUME
LOUD
8dB STEP
GAIN12 37
GAIN11 38
IN14 39
IN13 40
IN12 41
IN11 42
LATCH
ZCDET
SHIFT
REGISTER
IN21 43
IN22 44
IN23 45
IN24 46
GAIN21 47
GAIN22 48
VOLUME
LOUD
8dB STEP
1 2 3 4
51 50 49 48 47 46 45
TIMING DATA
OSC
CONTROLLER I/O
ADDRESS
CONTROLLER
ADPCM
ANALYZER/
SYNTHESIZER
12BIT
DAC
SG
LPF
CIRCUIT
17 18 19 20 21 22 23 24 25
32 31 30 29 28 27 26
VOLUME
TONE
1dB STEP
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
CONTROL
VCTBUFF
VCTBUFF
VCTBUFF
VOLUME
TONE
1dB STEP
5 6 7 8 9 10 11
– 72 –
44 43
42 CS3
41
CS2
40
CS1
REGISTER
39
SADX
CONTROLLER
38 SADY
37 TAS
36 SAS
35
PDWN
34 TEST
33 TEST
RSEL2
32
RSEL1
31
30 DGND
29 AGND
26 27 28
25
24 FNTO1
FADER
23 REO1
22 CE
21 CLK
20 DGND
19 GND
45k
45k
18 VCC
17 VCT
16 DATA
15 TIMER
14 REO2
FADER
13 FNTO2
12