Motorola GM140 Service-informatie - Pagina 24
Blader online of download pdf Service-informatie voor {categorie_naam} Motorola GM140. Motorola GM140 32 pagina's. Gm series professional radio uhf (403-470mhz)
Ook voor Motorola GM140: Service-informatie (34 pagina's), Basisservicehandleiding (46 pagina's), Service-informatie (32 pagina's)
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3-6
2.4
Backlight
Power Up Alert Tone is OK, volume knob does operate,
indicator/display is on but no backlight
U0831 Pin 58
is toggling ?
YES
Base of
Q0934
> 0.7V ?
YES
Collector of
Q0934
>5V and < 11V ?
YES
Check / Replace
Q0933 / R0947 / R0948
TROUBLESHOOTING CHARTS
NO
Check for shortage
U0831
NO
Check / Replace
R0847 / C0843 / R0943
Check / Replace
NO
Q0934 U0931 /R0941 /
R0942 / R0944 / R0945