— 8 —
MAJOR WAVEFORMS
1
Clock pulse
MSM6755C-17 pin 32
1
2
+5 V source DVDD
JB connector pin 4
3
APO signal
JB connector pin 8
2
3
4
Button scan signal KO6
JA connector pin 14
5
Button scan signal KO7
JA connector pin 15
4
5
6
LCD common signal COM9
KS0066U-10B pin 55
7
LCD common signal COM10
KS0066U-10B pin 56
6
7
Содержание CTK-431
Страница 11: ...9 3 2 7 6 4 5 1 Top View PRINTED CIRCUIT BOARDS Main PCB JCM444 MA1M Bottom View...
Страница 12: ...10 SCHEMATIC DIAGRAMS Main PCB JCM444 MA1M 1 5 4 2 3 7 6...
Страница 13: ...11 Sub PCBs JCM444 MA2M MA3M...
Страница 14: ...12 Keyboard PCBs JCM4911K KY1M KY2M...
Страница 16: ...14 EXPLODED VIEW 18 17 19 22 6 R 1 5 12 7 10 9 11 13 14 15 16 8 1 2 23 4 21 20 4 R 3 R 5 3 R 4 R 2...
