Pioneer CDS-P5000 UC, Service Manual

Page: 38 / 50

38
CDS-P5000
-
Pin Functions (PE5013A)
Pin No. Pin Name I/O Function and Operation
1 KD1 I Key return input
2,3 NC Not used
4 AVSS I A/D GND
5 NC Not used
6 BLGT O LCD back light control output
7 AVREF I A/D converter reference voltage
8 MUTE O Mute output
9 CDMUTE O CD mute output
10
xrst
O CD LSI reset output
11 NC Not used
12 LDT O Data output for LCD driver
13
lck
O Clock output for LCD driver
14 XAO O CD LSI data discernment control signal output
15
stb
O LSI Strobe output
16 XSI I Serial input (CD)
17 XSO O Serial output (CD)
18 XSCK O LSI clock output
19 CONT O Server driver power control output (CD)
20 LOAD O Loading motor LOAD control
21 EJECT O CD loading motor LOAD control output
22 POWER O CD +5V control
23 LCE1 O Chip enable output pin for LCD driver
24 LCE2 O Chip enable output pin for LCD driver
25
linh
O Inhibit output for LCD driver
26 VDCONT O VD control output
27 FOK I FOK signal input
28 MIRR I Mirror detector input
29 LOCK I Spindle lock detector input
30 CLAMP I Disc clamp sense input
31,32 NC Not used
33 VSS GND
34 VDIN I VD sense input
35 NC Not used
36 KST0 Key strobe output
37–43 NC Not used
44 SYSPW O System power control output
45–49 NC Not used
50,51 MIXS1,2 O Mixing switch select output
52–55 NC Not used
56 TX O IP BUS data output
57 RX I IP BUS data input
58
ippw
O Power supply control output for IP BUS interface IC
59 NC Not used
60
reset
Reset
61 NC Not used
62
bsens
I Back Up sense input
63
asens
I ACC power sense input
64 SPA O Clock output for spectrum analyzer
65 SPB O MONO/STEREO select output for spectrum analyzer
66 SPC O Strobe signal output for spectrum analyzer
67 LCDPW O LCD back light power supply control output
68 VDD Power voltage
69 X2 Crystal oscillator connection pin
7. GENERAL INFORMATION
7.1 PARTS
7.1.1 IC