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Ic Pin Function Description - Sony HCD-VM330AV Service Manual

Compact disc deck receiver.
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7-31. IC PIN FUNCTION DESCRIPTION

• BD BOARD IC101 CXD3068Q (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No.
Pin Name
1
DVDD0
2
XRST
3
MUTING
4
DATA
5
XLAT
6
CLOK
7
SENS
8
SCLK
9
ATSK
10
WFCK
11
XUGF
12
XPCK
13
GFS
14
C2PO
15
SCOR
16
C4M
17
WDCK
18
DVSS
19
COUT
TE
L 13942296513
20
MIRR
21
DFCT
22
FOK
23
PWMI
24
LOCK
25
MDP
26
SSTP
27
FSTO
28
DVDD1
29
SFDR
30
SRDR
31
TFDR
32
TRDR
33
FFDR
34
FRDR
35
DVSS1
36
TEST
37
TES1
38
VC
39
FE
www
40
SE
41
TE
42
CE
.
43
RFDC
44
ADIO
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I/O
Power supply terminal (+3.3V) (digital system)
I
Reset signal input from the video CD controller (IC502) "L": reset
I
Muting on/off control signal input from the video CD controller (IC502) "H": muting on
I
Serial data input from the video CD controller (IC502)
I
Serial data latch pulse signal input from the video CD controller (IC502)
I
Serial data transfer clock signal input from the video CD controller (IC502)
O
Internal status (SENSE) signal output to the video CD controller (IC502)
I
SENSE serial data reading clock signal input from the video CD controller (IC502)
I/O
Input/output terminal for anti-shock Not used (pull down)
O
Write frame clock signal output terminal Not used (open)
O
RFCK signal output terminal Not used (open)
O
XPCK signal output terminal Not used (open)
O
Guard frame sync signal output terminal Not used (open)
O
C2 pointer signal output to the CL680T (IC505)
O
Subcode sync (S0+S1) detection signal output to the video CD controller (IC502)
O
4.2336 MHz clock signal output terminal Not used (open)
O
Guard subcode sync (S0+S1) detection signal output terminal Not used (open)
Ground terminal (digital system)
O
Numbers of track counted signal output terminal Not used (open)
O
Mirror signal output terminal Not used (open)
I/O
Defect signal input/output terminal Not used (open)
O
Focus OK signal output terminal Not used (open)
I
Spindle motor external control signal input terminal Not used (fixed at "L")
O
GFS is sampled by 460 Hz "H" output when GFS is "H"
O
Spindle motor (M101) servo drive signal output to the AN41020A (IC102)
Detection signal input from limit in switch of the optical pick-up block
I
The optical pick-up is inner position when "H"
O
2/3 divider output terminal Not used (open)
Power supply terminal (+3.3V) (digital system)
O
Sled servo drive PWM signal (+) output to the AN41020A (IC102)
O
Sled servo drive PWM signal (–) output to the AN41020A (IC102)
O
Tracking servo drive PWM signal (+) output to the AN41020A (IC102)
O
Tracking servo drive PWM signal (–) output to the AN41020A (IC102)
O
Focus servo drive PWM signal (+) output to the AN41020A (IC102)
O
Focus servo drive PWM signal (–) output to the AN41020A (IC102)
Ground terminal (digital system)
I
Input terminal for the test (fixed at "L")
I
Input terminal for the test (fixed at "L")
I
Middle point voltage (+1.65V) input from the CXA2581N (IC103)
I
Focus error signal input from the CXA2581N (IC103)
I
Sled error signal input from the CXA2581N (IC103)
I
x
ao
Tracking error signal input from the CXA2581N (IC103)
u163
y
I
Middle point servo analog signal input from the CXA2581N (IC103)
i
I
RF signal input from the CXA2581N (IC103)
O
Output terminal for the test Not used (open)
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2 9
8
Description
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3
6 7
1 3
1 5
co
.
HCD-VM330AV
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
55

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