Pioneer CDX-MG6056ZH, Руководство по обслуживанию

Страница: 58 / 90

57
CDX-MG6346ZH,MG6446ZH
7.2 IC
-
Pin Functions (PD5540A)
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 NHIN I NH-BUS dada input
4 NHOUT O NH-BUS dada output
5 CLAMPSW I Disk clamp sense input
6 ELHOME I Elevation 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 VDCONT O VD power supply control output
14 EJECTKEY I Eject key input
15
asens
I ACC power sense input
16 NHPOW O NH-BUS dada output
17 LOADSW I Loading sense input
18 ELVSW I Elevation OK input
19–21 TEST1-3 Not used
22
bsens
I Back up power sense input
23
sbsy
I Signal indicating head of subcode block input
24
isens
I Illumination sense input
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
31–33 KST1-3 O Key strobe output
34,35
kd!,@
I Key data input
36,37 ILL1,2 O Illumination output
38 ASCON O Analog switch control output
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 LED 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 EXSCK O Shift clock output
67 EXMODE O Latch clock output
68 EXSO O Serial data output