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M-900 X X X Series
M-1200 X X X Series
Check Pin #3 signal level and voltage
of IC41
Normal
Check Pin #4, #9, DC voltage level of
IC41
Confirm, should be varied when turn
the H.Hold VR
Refer to when No vert. sync, No horiz. sync
No raster
Check the O.S.C. Signal level in
Pin # 7 and Pin #8 of IC41
Normal
Check base and emitter signal level of 044
Normal
Trouble iri high vcfüage circuit
Check +B line voltage of +40V, G2 +G2
Zero or
low
No
Normal
Abnormal
1
1
Abnormal
1
1
-31-
Trouble in the peripreral
circuit of C401
Replace I C41
No
Check Peripreral Circuit of IC 41
Replace IC41
1
Trouble in 044 1