Motorola GM1280 Informasi Layanan - Halaman 24

Jelajahi secara online atau unduh pdf Informasi Layanan untuk Radio Motorola GM1280. Motorola GM1280 32 halaman. Gm series professional radio uhf (403-470mhz)
Juga untuk Motorola GM1280: Informasi Layanan (34 halaman), Informasi Layanan (32 halaman)

Halaman Cetak
Motorola GM1280 Informasi Layanan
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