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Ic Pin Function Description - Sony CX-BK2 Service Manual

Compact disc deck receiver.
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7-32. IC PIN FUNCTION DESCRIPTION

• BD BOARD IC101 CXD3068Q (DIGITAL SERVO, DIGITAL SERVO PROCESSOR)
Pin No.
Pin Name
1
DVDD0
2
XRST
3
MUTE
4
DATA
5
XLAT
6
CLOK
7
SENS
8
SCLK
9
ATSK
10
WFCK
11
RFCK
12
XPCK
13
GFS
14
C2PO
15
SCOR
16
C4M
17
WDCK
18
DVSS0
19
COUT
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
40
SE
41
TE
42
CE
43
RFDC
44
ADIO
45
AVSS0
I/O
Power supply terminal (+3.3V) (digital system)
I
Reset signal input from the system controller
I
Muting on/off control signal input terminal "H": muting on Not used
I
Serial data input from the system controller
I
Serial data latch pulse signal input from the system controller
I
Serial data transfer clock signal input from the system controller
O
Internal status (SENSE) signal output to the system controller
I
SENSE serial data reading clock signal input from the system controller
I/O
Input/output terminal for anti-shock Not used
O
Write frame clock signal output terminal Not used
O
RFCK signal output terminal Not used
O
XPCK signal output terminal Not used
O
Guard frame sync signal output terminal Not used
O
C2 pointer signal output terminal Not used
O
Subcode sync (S0+S1) detection signal output to the system controller
O
4.2336 MHz clock signal output terminal Not used
O
Guard subcode sync (S0+S1) detection signal output terminal Not used
Ground terminal (digital system)
O
Numbers of track counted signal output terminal Not used
O
Mirror signal output terminal Not used
I/O
Defect signal input/output terminal Not used
O
Focus OK signal output terminal Not used
I
Spindle motor external control signal input terminal Not used
O
GFS is sampled by 460 Hz "H" output when GFS is "H" Not used
O
Spindle motor servo drive signal output to the motor/coil drive IC
I
Detection signal input from limit in switch The optical pick-up is inner position when "H"
O
2/3 divider output terminal Not used
Power supply terminal (+3.3V) (digital system)
O
Sled servo drive PWM signal (+) output terminal
O
Sled servo drive PWM signal (–) output terminal
O
Tracking servo drive PWM signal (+) output terminal
O
Tracking servo drive PWM signal (–) output terminal
O
Focus servo drive PWM signal (+) output terminal
O
Focus servo drive PWM signal (–) output terminal
Ground terminal (digital system)
I
Input terminal for the test
I
Input terminal for the test
I
Middle point voltage (+1.65V) input terminal
I
Focus error signal input from the RF amplifier
I
Sled error signal input from the RF amplifier
I
Tracking error signal input from the RF amplifier
I
Middle point servo analog signal input
I
RF signal input from the RF amplifier
O
Output terminal for the test Not used
Ground terminal (analog system)
Description
"L": reset
CX-BK2
63

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