Motorola CM160 Informazioni sul servizio - Pagina 14

Sfoglia online o scarica il pdf Informazioni sul servizio per Radio Motorola CM160. Motorola CM160 26. Commercial series controlhead
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Motorola CM160 Informazioni sul servizio
3-2
1.2
Button/Tones Select Error (Page 1 of 2)
Button/Tones Check
Check Voltage Levels on
TP401 (Keypad Col)
and TP402 (Keypad Row)
(see table on next page)
Right
No
Voltage
Up Key
?
YES
Right
No
Voltage
on Down Key
?
YES
Right
No
Voltage
on P1/P2
Keys ?
YES
Connect DTMF Mic
to TELCO Connector
Is there
0.75 Vdc on
MIC_SENSE
R429, on radio
A
Check R846, R811
on Control Head
Check R845, R810
on Control Head
Check R813, R814
on Control Head
Check Control Head
No
connectivity continuity
and R429, R430, D401
(main board)
TROUBLESHOOTING CHARTS