Pioneer FX-MG9006ZT-91/ES, Руководство по обслуживанию

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FX-MG9006ZT,M9006ZT-91,M9506ZT,M9506ZT-91
7.2 PARTS
7.2.1 IC
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Pin Functions (PD5556B)
Pin No. Pin Name I/O Function and Operation
1 LOFF O LCD driver OFF output
2 ECE Not used
3 BLIGHT Not used
4 ILL O LAMP power supply control
5 LDO O LCD driver data output
6 NC Not used
7 LCK O Clock output for LCD driver
8 BYTE VCC joint
9 CNVSS VSS joint
10,11 NC Not used
12 reset I Reset input
13 XOUT O Crystal oscillating element connection pin
14 VSS GND
15 XIN I Crystal oscillating element connection pin
16 VDD Power supply
17
nhi
VDD joint
18 DLOAD I CDM load key input
19
asens
I ACC power sense input
20 bsens I Back up power sense input
21 RX2 I IE-BUS data input
22 IPPW O IP-BUS driver power supply output
23
ilsens
I Illumination sense input
24 LCE1 O Chip enable output pin for LCD driver
25 VDSEL GND
26,27 NC Not used
28 BLIGHT Back Light ON/off
29 RX1 I IE-BUS data input
30 TX O IE-BUS data output
31 BSO O P-BUS serial data output
32 BSI I P-BUS serial data input
33 BSCK O P-BUS clock output
34 NC Not used
35 BRXEN I/O P-BUS reception enable input/output
36
brst
I P-BUS reset input
37 bsrq O P-BUS service request output
38,39 NC Not used
40 LRST O LCD driver reset output
41 EPM Not used
42–44 NC Not used
45
swvdd
O Display microcomputer power supply output
46 CE Not used
47
sysmute
O System mute output
48 ANSW O Analog SW output
49 CDILL O CD illumination output
50 TAPEMUTE O Tape mute output
51 MUTE O BUS mute output
52 illpow O Illumination power supply output
53
dssill
O DSS illumination output
54 TUNE I AUDIO mode key input
55 ENC1+ I VOL encoder (+) input
56 ENC1- I VOL encoder (-) input
57 KD0 I Key return input
58 KD1 I Key return input
59 KD2 I Key return input
60 KD3 I Key return input
61
kst%
O Key strobe output
62 VCC Power supply