JVC KD-LX555R, Руководство по обслуживанию

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1-52 (No.49793)
4.18 UPD784217AGC208 (IC962) : Main micon
• Pin Layout
• Pin functions
1
~
25
75
~
51
100 ~ 76
26 ~ 50
Pin No Symbol I/O Function
1 NC - Not use
2 NC - Not use
3 NC - Not use
4 NC - Not use
5 NC - Not use
6 NC - Not use
7 DIM_OUT O DIMMER pulse control output
8 ILLUM1 O POWER ON:H,FLAT PANEL:L
9 VDD - 5V
10 X2 -
11 X1 -
12 VSS - GND
13 XT2 -
14 XT1 -
15 RESET I Reset detection teaminal
16 CD_P.REQ I CD mechanical switch 1 detection signal input
17 BUS_NT I J-BUS int
18 PS2 I POWER SAVE2. Operating together with BACKUP.H input:STOP
19 H.REMOCON I Pulse signal for CRUISE input(only in 330R)
20 RDS_SCK I RDS clock input
21 RDS_ DA I RDS data input
22 REMOCON I Remocon input(111R:READY)
23 AVDD - 5V
24 AVREF0 - 5V
25 TEMP I Temperature detection input
26 KEY0 I Key input 0
27 KEY1 I Key input 1
28 KEY2 I Key input 2
29 LEVEL I Level meter input
30 MRC I MRC output voltage detection
31 SQ I S.QUALITY level input
32 SM I S.METER level input
33 AVSS - GND
34 NC - Not use
35 DOT_CNT O Dot matrix contrast adjustment analog output
36 AVREF - 5V
37 BUS_SI I J-BUS data input
38 BUS_SO O J-BUS data output
39 BUS_SCK I/O J-BUS clock input and output
40 NC - Not use
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