20
Troubleshooting charts
Signals R, G, and B are to pins 2, 4, and 6 of PW07K.
Check the following parts.
R : pin 25 of IC201, Q218
G : pin31 of IC201, Q216
B : pin 28 of IC201, Q217
There are R signal to R504, G signal to R513, and
B signal.
<The signal amplitude of cathode G >
130Vp-p
±
10Vp-p
Input signal : 10 steps pattern
Video mode : Normal mode
Check the following parts.
R: pin8 of IC501, G: pin8 of IC502, B: pin 8 of IC503
Check 200V and 12V of PA17M.
No picture
(DTV Signal)
OSD is on the screen.
To DTV Decoder module
V1
V2
YES
NO
NO
END
NO
V2
END
Содержание DSC-30W60N
Страница 60: ...59 10 1 Connection Diagram 10 Circuit Diagram...
Страница 62: ...61 Circuit Diagram 10 3 Power Circuit...
Страница 63: ...62 Circuit Diagram 10 4 Main Circuit...
Страница 64: ...63 Circuit Diagram 10 5 Video1 Circuit...
Страница 65: ...64 Circuit Diagram 10 6 Video2 Circuit...
Страница 66: ...65 10 7 Audio Circuit Circuit Diagram...
Страница 67: ...66 10 8 Com Filter Circuit Circuit Diagram...
Страница 68: ...67 10 9 VM Circuit Circuit Diagram...
Страница 69: ...68 10 10 Blanking Circuit Circuit Diagram...
Страница 70: ...69 10 11 Jack A V CONTROL LED Circuit Circuit Diagram...
Страница 71: ...70 10 12 CRT Circuit Circuit Diagram...
Страница 72: ...71 11 Exploded View DSC 30W60N...
Страница 73: ...72 Circuit Diagram 10 13...