Motorola GM140 Service-informatie - Pagina 28
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)
Pagina afdrukken
3-10
TROUBLESHOOTING CHARTS
3.4
Display
Power Up Alert Tone is audible, volume knob does operate,
indicator/backlight is on but nothing is seen on the display.
TP0973
Voltage Sense
Check / Replace
between
YES
LCD Module
2V and 2.4V
?
NO
Activity on
Check for shortage
Address & Data lines
NO
A0 / D0...D7 / CS1
U0871
of U0971
?
YES
Check / Replace
Flex connection
Resistors on Address & Data
lines and LCD Module