M-900 X X X SeriesM-1200 X X X SeriesCheck Pin #3 signal level and voltageof IC41NormalCheck Pin #4, #9, DC voltage level ofIC41Confirm, should be varied when turnthe H.Hold VRRefer to when No vert. sync, No horiz. syncNo rasterCheck the O.S.C. Signal level inPin #7 and Pin #8 of IC41NormalCheck base and emitter signal level of 044NormalTrouble iri high vcfüage circuitCheck +B line voltage of +40V, G2 +G2Zero orlowNoNormalAbnormal 11Abnormal 11-31-Trouble in the peripreralcircuit of C401Replace IC41NoCheck Peripreral Circuit of IC 41Replace IC41 1Trouble in 044 1

Panasonic M-900 Series Service Manual

M-1200 Series

M-12004NB

M-12021NB

M-12021PB

M-12041NB

M-900 Series

M-9001NA

M-9004NA

M-9009A

M-C12001N

M-C12004N

M-C12009N

M-C9001N

M-C9004N

M-K12001NB

M-K12004NB

M9009NA