Kenwood Z727, Руководство по обслуживанию

Страница: 8 / 32

KDC-Z727,Z727
8
●
Panel Microcomputer UPD703033GC062 (IC900 : Control uCOM)
PinNo. Pin name I/O Description Processing Operation
1 VFD_DATA1 O Data output "1" to VFD driver
2 VFD_CLK O Clock output to VFD driver
3 NC I Resistor connected to GND
4 VFD_DATA2 O Data output "2" to VFD driver
5 VFD_CLK_IN I Clock input from VFD_CLK (For use in synchronization of DATA 1 and 2)
6 EVdd Connected to PNL 5 V
7 EVss Connected to GND
8 NC O Output open.
9 5V_ON O Power supply control output to Remote Control IC and SA_IC. 5V ON:HI, 5V OFF:LO
10 REMO I Remote control signal input
11 NC O Output open.
12 VFD_LATCH O Latch output to VFD driver
13 VFD_GCP O Luminance gradation control output to VFD driver
14 A13 O Address output "A13" to external ROM
15 A14 O Address output "A14" to external ROM
16 A15 O Address output "A15" to external ROM
17 VFD_BLK O Blank output to VFD driver Display ON: High. Display OFF: Low.
18 IC/Vpp Test
19 A5 O Address output "A5" to external ROM
20 A6 O Address output "A6" to external ROM
21 A7 O Address output "A7" to external ROM
22 A8 O Address output "A8" to external ROM
23 A9 O Address output "A9" to external ROM
24 A10 O Address output "A10" to external ROM
25 A11 O Address output "A11" to external ROM
26 A12 O Address output "A12" to external ROM
27 A1 O Address output "A1" to external ROM
28 A2 O Address output "A2" to external ROM
29 A3 O Address output "A3" to external ROM
30 A4 O Address output "A4" to external ROM
31 RESET I Reset input
32 XT1 Resistor connected to GND
33 XT2 OPEN
34 REGC 1 uF connected to GND
35 X2 Connected to Main X'tal
36 X1 Connected to Main X'tal
37 Vss Connected to GND
38 Vdd Connected to PNL 5 V
39 CLKOUT OPEN
40 NC O OUTPUT OPEN
41 NC O OUTPUT OPEN
MICROCOMPUTER'S TERMINAL DESCRIPTION
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299