![](/images/new-backgrounds/1297636/297636193x1.webp)
5. Trouble shooting
Check Output Signal
(TP1, TP2)
Signals are | N0 | Replace |
| PMB8888(U102) | |
|
|
Normal ?
Yes
Transceiver is OK.
See next page to check
PAM Control Circuit.
TXLB (MODE: GMSK) : TP1 | TXLB (MODE: 8PSK) : TP1 |
Transceiver Output (GMSK) | Transceiver Output (8PSK) |
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|
| Only for training and service purposes |