34
202P7 CRT
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Repair Flow Chart (Continued)
E. CPU (7301)
check List
Basic check
Check CPU Pin6=5V
Pin8/Pin9=12MHz
Pin7=GND
2 Raster_Shify
Check output
=1.2V
Check output
=2.9V
3 ABL_C
4 H_LIN
Check output
=2.1V
5 RESET
Check output
=4.6V
15~10
(S1,S2,S3,S4,S5,S6)
S-cap switch
check S1-S6
Low:0
Hi:1
Summary of Contents for 202P70/00
Page 37: ...37 202P7 CRT Go to cover page Wiring Diagram ...
Page 41: ...41 202P7 CRT Go to cover page Main Board C B A 1 ...
Page 42: ...42 Main Board C B A 2 Go to cover page 202P7 CRT ...
Page 44: ...44 Go to cover page Video Board C B A 1 202P7 CRT ...
Page 45: ...45 202P7 CRT Go to cover page Video Board C B A 2 ...
Page 47: ...47 202P7 CRT Go to cover page TERMINAL Board C B A 1 ...
Page 48: ...48 TERMINAL Board C B A 2 Go to cover page 202P7 CRT ...
Page 50: ...50 Driver Board C B A Go to cover page 202P7 CRT ...
Page 51: ...51 202P7 CRT Go to cover page KEY CONTROL Schematic Diagram C B A ...
Page 52: ...52 MHR Schematic Diagram C B A Go to cover page 202P7 CRT ...