Ic Pin Function Description - Sony CDP-CX333ES Service Manual

8-22. IC PIN FUNCTION DESCRIPTION

•
BD BOARD IC101 CXD2587Q (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER,
D/A CONVERTER)
Pin No. Pin Name
1 SQSO
2 SQCK
3 XRST
4 SYSM
5 DATA
6 XLAT
7 CLOK
8 SENS
9 SCLK
10 VDD
11 ATSK
12 SPOA
13 SPOB
14 XLON
15 WFCK
16 XUGF
17 XPCK
18 GFS
19 C2PO
20 SCOR
21 COUT
22 MIRR
23 DFCT
24 FOK
25 LOCK
26 MDP
27 SSTP
28 SFDR
29 SRDR
30 TFDR
31 TRDR
32 FFDR
33 FRDR
34 VSS
35 TEST
36 TES1
37 XTSL
38 VC
39 FE
40 SE
41 TE
42 CE
43 RFDC
I/O
O Subcode Q data output to the system controller (IC501)
I
Subcode Q data reading clock signal input from the system controller (IC501)
I
System reset signal input from the system controller (IC501) "L": reset
Analog line muting on/off control signal input from the system controller (IC501)
I
"H": line muting on
I
Command serial data input from the system controller (IC501)
I Command latch pulse input from the system controller (IC501)
I
Command serial data transfer clock signal input from the system controller (IC501)
O
Internal status monitor output to the system controller (IC501)
I
SENSE serial data reading clock input from the system controller (IC501)
—
Power supply terminal (+5V) (digital system)
I/O
Input pin for anti-shock (fixed at "L")
I
Microcomputer escape interface input A terminal Not used (open)
I Microcomputer escape interface input B terminal Not used (open)
O
Microcomputer escape interface output to the CXA2568M (IC103)
O
WFCK output terminal
O
Not used (open)
O Not used (open)
O
Not used (open)
O
Not used (open)
O Subcode sync (S0+S1) detection signal output to the system controller (IC501)
I/O
Numbers of track counted signal input/output terminal Not used (open)
I/O
Mirror signal input/output terminal Not used (open)
I/O
Defect signal input/output terminal Not used (open)
I/O Focus OK input/output terminal Not used (open)
I/O
GFS is sampled by 460 Hz "H" when GFS is "H" Not used (open)
O
Spindle motor (M101) servo drive signal output to the BA6392FP (IC102)
I
Limit in detect switch (S101) input terminal
O
Sled servo drive PWM signal (+) output to the BA6392FP (IC102)
O
Sled servo drive PWM signal (–) output to the BA6392FP (IC102)
O
Tracking servo drive PWM signal (+) output to the BA6392FP (IC102)
O Tracking servo drive PWM signal (–) output to the BA6392FP (IC102)
O
Focus servo drive PWM signal (+) output to the BA6392FP (IC102)
O
Focus servo drive PWM signal (–) output to the BA6392FP (IC102)
—
Ground terminal (digital system)
I
Input terminal for the test (fixed at "L")
I
Input terminal for the test (fixed at "L")
Input terminal for the system clock frequency setting "L": 45.1584 MHz, "H": 22.5792 MHz
I
(fixed at "L" in this set)
I
Middle point voltage (+2.5V) input from the CXA2568M (IC103)
I
Focus error signal input from the CXA2568M (IC103)
I
Sled error signal input from the CXA2568M (IC103)
I
Tracking error signal input from the CXA2568M (IC103)
I
Command chip enable signal input from the CXA2568M (IC103)
I RF signal input from the CXA2568M (IC103)
Description
Not used (open)
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