Sony SCD-C555ES Service Manual page 43

IC906 TC74VHCT32AFT (MAIN BOARD)
1A 1
2
1B
1Y
3
2A 4
2B 5
2Y 6
7
GND
IC509 CXD3008Q (MAIN BOARD)
VDD 1
XRST
2
MUTE 3
DATA DATA 4
XLAT XLAT 5
CLOK CLOK 6
SENS SENS 7
SCLK
8
ATSK 9
WFCK 10
XUGF 11
XPCK
12
GFS 13
C2P0
14
SCOR 15
C4M 16
WDCK 17
DVSS 18
COUT 19
MIRR 20
DFCT 21
FDK 22
PWM1
23
LOCK
24
MDP 25
14 VCC
13 4B
12
4A
11 4Y
10
3B
9
3A
8
3Y
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66
D/A
INTERFACE
CPU
INTERFACE
SERVO
AUTO
SEQUENCER
SERVO
SUB
INTERFACE
CODE
PROCESSOR
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING PWM
GENERATOR
SLED PWM
GENERATOR
DIGITAL
PLL
26 27 28 29 30 31 32 33 34
IC812, IC813 SN74LV245PWR
20 19 18 17
1 2 3 4
CLOCK
ERROR
GENERATOR
CORRECTOR
EFM
DEMODURATOR
32K
RAM
DIGITAL
ASYMMETY
CORRECTOR
MIRR
DFCT
FOK
SERVO DSP
FOCUS SERVO
A/D
CONVERTER
TRACKING
SERVO
SLED SERVO
35 36 37
SCD-C555ES
(MAIN BOARD)
16 15 14 13 12
6 7 8 9
5
65
LRCK
64
DIGITAL DOUT
OUT
63
MD2
62
ASYE
61
60 VPC0
59 V16M
58
57
BIAS
56 DVDD2
55 PCO
54 FIL1
PLL
53 FIL0
52
CLTV
51 AVSS1
50
RFAC
49 ASY1
48 ASY0
47
AVDD
46
1GEN
45 AVSS0
OP
44 AD10
AMP
ANALOG
RFDC
43
SW
42 CE
TE
41
38 39 40
11
10
43