Sony HCD-XB8 Service Manual page 46

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• IC103 DIGITAL SIGNAL PROCESSOR (CXD2519Q)
Pin No. Pin Name
1
VDD
2
VSS
3
LMUT
4
RMUT
5
ACDT
6
CKOUT
7
SQCK
8
SQSO
9
SENS
10
DATA
11
XLAT
12
CLOK
13
SEIN
14
CNIN
15
DATO
16
XLTO
17
CLKO
18
SPOA
19
SPOB
20
SPOC
21
SPOD
22
XLON
23
FOK
24
VDD
25
VSS
26
MON
27
MDP
28
MDS
29
LOCK
30
PWMI
31
TES0
32
TES1
33
VPCO2
34
VPCO1
35
VCKI
36
V16M
37
VCTL
38
PCO
39
FILO
40
FILI
• Abbreviation
GFS : Guarded Frame Sync
PLL : Phase Locked Loop
I/O
– +5V power supply
– Ground
O Lch "L" detection flog (Not used)
O Rch "L" detection flog (Not used)
O Test output (Not used)
O Master clock divider output (Not used)
I Clock input for SQSO read out
O Serial output for Sub-Q 80bit
O SENS signal output to CPU
I Serial data input, supplied from CPU
I Latch input, supplied from CPU
I Serial data transfer clock input, supplied from CPU
I SENS input from IC101
I Numbers of track jump counted signal input
O Serial data output to IC101
O Serial data latch output to IC101
O Serial data transfer clock output to IC101
I Micro computer demodulation interface (Input A)
I Micro computer demodulation interface (Input B)
I Micro computer demodulation interface (Input C)
I Micro computer demodulation interface (Input D)
O Micro computer demodulation interface (Output)
I Focus OK input
– +5V power supply
– Ground
O Output to control ON/OFF of spindle motor (Not used)
O Output to control spindle motor servo
O Output to control spindle motor servo (Not used)
O GFS is sampled by 460Hz
I Input to control the outside spindle motor
I Test pin (Connected to ground)
I
Test pin (Connected to ground)
O Charge-pump output (Not used)
O Charge-pump output (Not used)
I VCO2 oscillator input (Not used)
O VCO2 oscillator output (Not used)
I VCO2 control voltage input
O Charge-pump output to master PLL
O Filter output to master PLL
I Filter input for master PLL
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Function
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