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21
5. TROUBLESHOOTING CHART
START
POWER ON
Is the LED
illuminated?
Push the RESET
button.
Is power supply voltage
described (*1)?
1
Go to Power Source
Circuit Check.
Yes
Yes
No
No
Yes
No
Is CN20 12V?
Yes
No
(*1)
TP1 =approx.12V
TP200=approx.5V
TP202=approx.5.1V
TP203=approx.5.15V
TP204=approx.10V
Is the backlight
illuminated?
Yes
Backlight failure.
Is the voltage at the both
side of fuse on the Inverter
circuit board 12V?
No
Inverter circuit board
failure.
Yes
No
Содержание QD-101MM
Страница 39: ...38 6 CIRCUIT DIAGRAM PWB Fig 27 CIRCUIT DIAGRAM MAIN CIRCUIT No 1 ...
Страница 40: ...39 Fig 27 CIRCUIT DIAGRAM MAIN CIRCUIT No 1 ...
Страница 41: ...40 Fig 28 CIRCUIT DIAGRAM MAIN CIRCUIT No 2 ...
Страница 42: ...41 Fig 28 CIRCUIT DIAGRAM MAIN CIRCUIT No 2 ...
Страница 43: ...42 Fig 29 CIRCUIT DIAGRAM MAIN CIRCUIT No 3 ...
Страница 44: ...43 Fig 29 CIRCUIT DIAGRAM MAIN CIRCUIT No 3 ...
Страница 45: ...44 Fig 30 CIRCUIT DIAGRAM MAIN CIRCUIT No 4 ...
Страница 46: ...45 Fig 30 CIRCUIT DIAGRAM MAIN CIRCUIT No 4 ...
Страница 47: ...46 Fig 31 CIRCUIT DIAGRAM POWER CIRCUIT ...
Страница 48: ...47 Fig 31 CIRCUIT DIAGRAM POWER CIRCUIT ...
Страница 49: ...48 Fig 32 CIRCUIT DIAGRAM VIDEO CIRCUIT ...
Страница 50: ...49 Fig 32 CIRCUIT DIAGRAM VIDEO CIRCUIT ...
Страница 51: ...50 Fig 33 CIRCUIT DIAGRAM AUDIO CIRCUIT ...
Страница 52: ...51 Fig 33 CIRCUIT DIAGRAM AUDIO CIRCUIT ...
Страница 53: ...52 Fig 34 PWB PATTERN MAIN PWB FRONT SIDE ...
Страница 54: ...53 Fig 34 PWB PATTERN MAIN PWB REAR SIDE ...
Страница 66: ...PRINTED IN GERMANY ...