Pioneer FX-MG6006, Service Manual

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82
FX-MG6006ZH2
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Pin Functions (PD5522D)
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 NC Not used
4
bsrq
O P-BUS service request output
5 CLAMPSW I Disk clamp sense input
6 ELHOME I Elevation sense input
7 XSCK O CD LSI clock output
8 XSO O CD LSI data output
9 XSI I CD LSI data input
10
xstb
O CD LSI strobe output
11
xrst
O CD LSI reset output
12 XA0 O CD LSI data discernment control signal output
13 VDCONT O VD power supply control output
14 NC Not used
15
bsens
I BUCK UP sense input
16 BRXEN I P-BUS BRXEN
17 LOADSW I Loading sense input
18 MODESW I Elevation OK input
19 BSCK I/O P-BUS BSCK
20 BSO O P-BUS data output
21 BSI I P-BUS data input
22 REST I P-BUS reset input
23 SBSY I Signal indicating head of subcode block input
24 CNVSS I GND
25
reset
I Reset input
26 POWER O Power supply control output
27 CONT O Servo driver control output
28 XIN I Crystal oscillating element connection pin
29 XOUT O Crystal oscillating element connection pin
30 VSS GND
31–38 NC Not used
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
47-49 NC Not used
50 XWRE O DRAM data white enable output L:enable
51 XRDE O DRAM data read enable output L:enable
52 XQOK O SUB-Q OK output L:SUBQ OK
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 LO2,1 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 converter reference voltage supply control output
70 NC Not used
71 VCC Power supply terminal
72 VREF I A/D converter reference voltage input
73 AVSS I A/D converter GND