-------
Check signal level at connector
Pin #8
Normal
Check collector voltage and signal
level of 010
Normal
Check Pin #1 signal level and voltage
of IC41.
Normal
Check Pin #2 signal level and voltage
of IC41
Normal
Refer to the method of repairement for
to No vert No horiz
Zero or
1
low
1
Abnormal
1
1
Abnormal
- 1
1
Abnormal
1
1
-30-
Trouble in logic
M-900 X X x Seri�s
M-1200X X XSenes
1
Trouble in010,011,013 I
Trouble in 019
1
Replace IC41
1