Sony CDX-C480 Service Manual page 30

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• IC Block Diagrams
IC1 CXD2507AQ
FOK 1
2
MON
MDP 3
4
MDS
5
LOCK
TEST 6
FILO 7
FILI 8
9
PCO
10
VSS
11
AVSS
CLTV 12
ASYMMETRY
AVDD 13
CORRECTOR
RF
14
BIAS 15
ASYI
16
ASYO 17
ASYE 18
WDCK
19
TE
L 13942296513
IC3 BA6796FP
28 27
2
www 1
.
http://www.xiaoyu163.com
63 61 60 59 58 55
64 62 57 56
SERVO AUTO
SEQUENCER
5
SUB CODE
CPU
PROCESSOR
INTERFACE
14
4
EFM
DIGITAL
DEMODULATOR
PLL
3
D/A
5
INTERFACE
ERROR
16K
CORRECTOR
RAM
3
20 21 22 23 24 25 26 27 28 29 30 31 32
26 25 24 23
LEVEL
SHIFT
THERMAL
SHUT
DOWN
LOGIC
CTL1 CTL2 FWD REV
3 4
5 6
x ao
y
i
http://www.xiaoyu163.com
8
54 52
53
51
DATA
50
XRST
49 SENS
48
MUTE
47 SQCK
DIGITAL
46 SQSO
CLV
45 EXCK
44
SBSO
43 SCOR
42 VSS
41 WFCK
40 EMPH
DIGITAL
39 DOUT
OUT
38 C4M
6
37 FSTT
36
XTSL
35 XTAO
34
XTAI
33 MNTO
Q Q
3 6 7 1 3
22 21 20 19
DRIVE
VCC
BUFFER
LEVEL
SHIFT
LEVEL
SHIFT
DRIVE
V/I
BUFFER BUFFER
9
7 8 10
u163
.
– 49 –
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
18 17 16
DRIVE
DRIVE
BUFFER
BUFFER
LEVEL
SHIFT
DRIVE DRIVE DRIVE
BUFFER BUFFER
m
11 12 13
co
9 9
2 8 9 9
15
DRIVE
BUFFER
DRIVE
BUFFER
14