25
PDM-4210
PDM-4210
Trouble of Sub picture
Are waveforms at pin1(Y),
pin3(CB) and pin5(CR)
of PYS?
Check FORMATTER PWB
Yes
No
Are waveforms at pin 33(Y), 32(CB)
and 31(CR) of I202?
Yes
Check Q208, Q209, Q214, Q215, etc.
No
Component Input
Video Input
Are waveforms at pin9(Y), 11(CB)
and 13(CR) of I202?
Are waveforms at pin45(Y), 47(CB)
and 1(CR) of I202?
Check I202
Check Input terminal
No
No
Yes
Yes
No
Are waveforms at pin21(Y), 22(CB)
and 23(CR) of I502?
Check Q511, Q512,
and Q513
Yes
No
Are waveforms at pin1 of I502?
Check I502.
Yes
No
Are waveforms at pin53
of I201?
Check Q202, etc.
Yes
No
Check I201, etc.
Содержание PDM-4210
Страница 2: ...2 PDM 4210 PDM 4210 MEMO ...
Страница 30: ...30 PDM 4210 PDM 4210 MEMO ...
Страница 31: ...PDM 4210 31 7 Block diagram ...
Страница 39: ...39 PDM 4210 PDM 4210 12 Diagnosis of the Panel Module 12 1 P C B s Layout Information FPF42C128128UC 55 ...
