4431 Vg Circuit Diagram 4(5) - Facit 4431 Service Instruction

34
APPENDIX 5 4431 VG CIRCUIT DIAGRAM 4(5)
A B
019
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DMl(MEMJ
OM2(MEMl
DM3(MEMl
DM4(MEM)
DMS(MEMl
CURSOR(SGJ 049=i6
CSYNC(SGJ 049=10
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040
8 9
7~6
4~5
17~16
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SCREEN REV(MEMJ
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5 AB
LINE/BLOCK(MEMJ
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CURSOR BLINK(MEMJ
o
53 : 12 3 A32
BLINK RATE(MEMJ
o
53 : 9
2 A64
OW(SG J 020: 8
1/2 JAM(SG J 07: ll
FULL JAM(SG J 07:8
CLKCSG J 023:6
CLK/2(SG J 024:10
WR BRT(CPU ) 036:13
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S4
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Circuit Boord:
1141 93
040.057 24
12
041,046 20 10
018.19,21 •. 22,38,39,56.58 16 8
05,23,24.35,3 7, 4
4,
45,59,60
14 7
IC +5'1
ov
Pin Number/ DC-Supply Vol toge
023:1 (SGl
X4: 4 VIOEOCSGl
x
6
I
COMP VIDEO
2 GNO
(SJ
30-0 0
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