Pioneer FX-MG9006ZT/UC Service Manual page 96

FX-MG9006ZT,M9006ZT-91,M9506ZT,M9506ZT-91
- Pin Functions (PD5575B)
Pin No. Pin Name
1 VDIN
2 doorsw
3 NC
4
bsrq
5 clamp
6 elhome
7 XSCK
8 XSO
9 XSI
10 xstb
11 xrst
12 XA0
13 VDCONT
14 NC
15 bsens
16 BRXEN
17 loadsw
18
modesw
19 BSCK
20 BSO
21 BSI
22 brst
23 SBSY
24 CNVSS
25 reset
26 POWER
27 CONT
28 Xin
29 Xout
30 VSS
31–38 NC
39 TESTIN
40 DCLOSE
41 WDSL
42 XWIH
43 XEMP
44 CHDT
45 CHM0
46 CHM1
47–49 NC
50 XWRE
51 XRDE
52 XQOK
53 EMPH
54 SCONT
55 LOAD
56 cdmute
57 LO2
58 LO1
59 ELV2
60 ELV1
61 CG2
62 CG1
63 MIRR
64 LOCK
65 FOK
66–68 NC
69 adena
96
I/O Format Function and Operation
I Power supply short sensor input
I Door open position SW input
Not used
O C P-BUS service request output
I DISC clamp SW input
I ELV reset position SW input
O C CD LSI clock output
O C CD LSI data output
I CD LSI data input
O C CD LSI strobe output
O C CD LSI reset output
O C Control signal distinguishing data from microcomputer
O C VD control output
Not used
I Back up power sense input
I/O C P-BUS reception enable input/output
I Loading position SW input
I ELV OK position SW input
I/O C P-BUS serial clock input/output
O C P–BUS serial data output
I P–BUS serial data input
I P–BUS reset input
I Signal indicating head of subcode block
I GND
I Reset input
O C Servo/Mechanism power supply control output
O C Servo driver output control
I Crystal oscillating element connection pin
O C Crystal oscillating element connection pin
GND
Not used
I Chip check program mode input
I Door close sense input
O C Data comparison area specification signal output
I Data write inhibit input
I Data read inhibit input
I Data comparison mode monitor input
O C Data comparison mode output 0
O C Data comparison mode output 1
Not used
O C DRAM WRT ENBL
O C DRAM READ ENBL
O C SUB-Q OK output
O C DAC emphasis output
O C Mode select output
O C PHOT power supply control
O C CD mute output
O C LOAD motor control terminal output 2
O C LOAD motor control terminal output 1
O C ELV motor control terminal output 2
O C ELV motor control terminal output 1
O C CAM motor control terminal output 2
O C CAM motor control terminal output 1
I CD LSI mirror detector input
I CD LSI spindle lock detector input
I CD LSI FOK signal input
Not used
O C A/D reference voltage output