Motorola GP340 ATEX Service Information - Page 19

Browse online or download pdf Service Information for Radio Motorola GP340 ATEX. Motorola GP340 ATEX 24 pages. Professional radio, power distribution and controller
Also for Motorola GP340 ATEX: Specification Sheet (5 pages), User Manual (31 pages), Specification Sheet (2 pages), User Manual (30 pages), User Manual (30 pages), Basic User's Manual (10 pages), Service Information (32 pages), Service Information (30 pages), Service Information (26 pages), Service Information (31 pages), Service Information (43 pages), Service Information (30 pages)

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Motorola GP340 ATEX Service Information

Transmitter

3.0
Transmitter
Yes
1. Check Pin Diodes
2. Check Harmonic Filter
3. Check PA Bias
Inspect/Repair Tx.
Output Network
Is Power
OK?
Yes
Done
START
No Power
No
Is Current
~ 2 A?
No
Check components
around Q100
Is Power
OK?
Done
Is control voltage
at U101 Pin 1 > 5
Yes
Check input to
U101, Pin 16
Is voltage
> 1 Vpp?
Yes
Check level
U101, Pin 6
Yes
Is level
>5 Vpp?
No
Replace
Q101
Yes
No
Check PCIC
No
Troubleshoot
VCO
No
Check components
around U101
No
Is Power
OK?
Yes
Done
3-3
Replace
U101