Pioneer CDX-PD6, Service Manual

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58
CDX-PD6
7.2 IC
-
Pin Functions (PD5465A)
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 IPIN I IP-BUS data input
4 IPOUT O IP-BUS dada output
5 CLMPSW 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 EJKEY I Eject key input
15
asens
I ACC power sense input
16 IPPOW O BUS driver power supply control output
17 LOADSW I Loading sense input
18 ELVSW I Elevation OK input
19–21 NC Not used
22
bsens
I Back up power sense input
23 SBSY I Signal indicating head of subcode block input
24 NC Not used
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!,kd@
I Key data input
36–38 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
8. Loosen the 2 screws. Remove the plate spring and
the rack.
9. Pull out the feed screw from the Pickup unit.
Rack
Plate spring
Feed screw
Pickup
unit
Grease (White: KD-1)
Grease (Yellow:
PG-641)
Fig. 11
Grease (Yellow:
PG-641)