49
PT3-E/G AVC3-U
Trouble of Main Switching-regulator
Is I901 in
intermittent oscillation?
Is I901
(
4
)
pin voltage
at the moment of power-ON
below 16V?
Check Q930, Q931, etc.
Yes
Check Q934, D936, D938,
I902, D909, etc.
No
A.
Is Q930
(
C
)
voltage
over 3.5V?
Check C910, D938,
T901, I901, I902, etc.
Yes
No
Check D903, D906, etc.
Yes
No
Check D905, C912, etc.
Yes
No
Is I901
(
4
)
regular voltage
below 10V?
TROUBLESHOOTING FLOWCHARTS
(2 OF 4)
Содержание 32HDT50
Страница 35: ...35 PT3 E G AVC3 U 5 7 WHITE BALANCE ADJUSTMENT OSD FLOW DIAGRAM BACK TO ADJUSTMENTS ...
Страница 84: ...PRINTED CIRCUIT BOARD AVC3 U Audio Video PWB 84 PT3 E G AVC3 U BACK TO TABLE OF CONTENTS ...
Страница 85: ...PRINTED CIRCUIT BOARD AVC3 U Audio Video PWB 85 PT3 E G AVC3 U ...
Страница 86: ...PRINTED CIRCUIT BOARD AVC3 U Power PWB 86 PT3 E G AVC3 U ...
Страница 87: ...PRINTED CIRCUIT BOARD AVC3 U Power PWB 87 PT3 E G AVC3 U ...
Страница 88: ...PRINTED CIRCUIT BOARD AVC3 U SW Jig Control Filter PWB 88 PT3 E G AVC3 U PT3 E G FILTER PWB ...
Страница 89: ...PT3 E G AVC3 U PRINTED CIRCUIT BOARD PT3 E G Signal Audio PWB 89 ...
Страница 90: ...PRINTED CIRCUIT BOARD PT3 E G Signal Audio PWB 90 PT3 E G AVC3 U ...
Страница 92: ...PT3 E G AVC3 U BLOCK DIAGRAM FC4 Unit 92 ...
Страница 99: ...PT3 E G AVC3 U AVC3 U CHASSIS WIRING DRAWING 99 BACK TO TABLE OF CONTENTS ...
Страница 100: ...100 PT3 E G AVC3 U PT3 E G CHASSIS WIRING DRAWING 42 Plasma Monitor Front ...
Страница 101: ...101 PT3 E G AVC3 U PT3 E G CHASSIS WIRING DRAWING 42 Plasma Monitor Back ...
Страница 102: ...102 PT3 E G AVC3 U PT3 E G CHASSIS WIRING DRAWING 32 Plasma Monitor Front ...
Страница 103: ...103 PT3 E G AVC3 U PT3 E G CHASSIS WIRING DRAWING 32 Plasma Monitor Back ...