Sony CDX-4180 Service Manual page 31

IC401 LC75374E
33 32
+
+
–
–
34
LSELO
35
L4
L3
36
L2
37 +
L1 38 –
VDD 39
–
R1 40
+
R2 41
R3 42
R4 43
RSELO 44
–
–
+
+
2
1
IC701 SM5852FS
LRCI 1
INPUT
BCKI 2
INTERFACE DIGITAL
DI 3
PROCESSOR
SYSTEM
4 CLOCK
CLK
VSS 5
SEQUENTIAL
6
RSTN
CONTROL
TESTN 7
MUTE
MUTEN 8
CONTROL
31 30 29 28 27 26 25 24
–
–
+
+
CONTROL
SHIFT
DECODER LATCH
REGISTER
+ +
– –
3 4 5 6 7 8 9 10
16 DB/DS
MOD2
15
14 MOD1
SIGNAL
13 OPT
VDD
12
11 LRCO
OUTPUT
10 BCKO
INTERFACE
9 DOUT
MODE
CONTROL
23
22 LFIN
+
21 LFOUT
–
+
LROUT
20
–
19 VREF
18 CE
17
DI
16 CL
15
VSS
–
14 RROUT
+
–
RFOUT
13
+
12 RFIN
11
IC702 SM5878AM
ATTENUATION COUNTER
MUTE 1
FILTER & ATTENUATION
DEEN
2
OPERATION BLOCK
OPERATION BLOCK
CKO
3
DVSS 4
BCKI 5
DI
6
INPUT INTERFACE
DVDD 7
8
LRCI
TSTN 9
TO1
10
AVDDL 11 LEVEL 11 LEVEL
11
DEM DAC DEM DAC
LPF
AMP
LO 12
– 39 –
NOISE SHAPER TIMING
CONTROL
CLOCK
GENERATOR
11 LEVEL 11 LEVEL
DEM DAC
DEM DAC
LPF
AMP
ATCK
24
23 MODE
22 RSTN
21 DS
20 XVSS
19 XTO
18 XTI
17 XVDD
16 MUTE
15
AVDDR
14 RO
13
AVSS