Pioneer YPM-MG2196ZF, Service Manual

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49
YPM-MG2196ZF
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Pin Functions (PD5467B)
Pin No. Pin Name I/O Function and Operation
1 VDIN I VD power supply sensor input
2 DOORSW I Door open position sense input
3
dce
O COMP IC chip enable
4 NC Not used
5 CLMPSW I Disk clamp sense input
6 ELHOME I Elevation reset sense input
7 XSCK O LSI clock output
8 XSO O LSI data output
9 XSI I LSI data input
10
xstb
O LSI strobe output
11
xrst
O LSI reset output
12 XA0 O LSI data discernment control signal output
13-15 NC Not used
16 CSCD I F-BUS chip select input
17 LOADSW I Loading sense input
18 MODESW I Elevation OK input
19 SCK I/O F-BUS serial clock input/output
20 MISO O F-BUS data output
21 MISI I F-BUS data input
22
brst
I F-BUS reset input
23 SBSY I Signal indicating head of subcode block input
24 CNVSS CPU mode select
25
reset
I Reset input
26 POWER O +5V power supply control output
27 CONT O Servo driver power supply control output
28 XIN I Crystal oscillating element connection pin
29 XOUT O Crystal oscillating element connection pin
30 VSS GND
31–37 NC3-9 O Key strobe output
38 CSEL I COMP select input
39 TESTIN I Test program mode input
40 DCLOSE I Door close sense input
41 WDSL O Data comparison designation output
42 XWIH I DRAM data white inhibit input
43 XEMP I DRAM data read inhibit input
44 CHDT I Data comparison mode monitor input
45,46 CHM0,1 O Data comparison mode output
47 CDSRQ O F-BUS SRQ/ACK output
48,49 NC Not used
50 XWRE O DRAM data white enable output
51 XRDE O DRAM data read enable output
52 XQOK O SUB-Q OK output
53 EMPH O DAC EMPH output
54 SCONT O Double speed select output
55 LOAD O PHOT power supply control output
56 CDMUTE O Mute output
57,58 LO2,LO1 O Load motor control output
59,60 ELV2,1 O ELV motor control output
61,62 CG2,1 O CAM motor control output
63 MIRR I Mirror detector input
64 LOCK I Spindle lock detector input
65 FOK I FOK signal input
66-68 NC Not used
69 ADENA O A/D reference voltage control output
70 NC Not used
71 VCC Power supply terminal
7.2 IC