3. TROUBLE SHOOTING
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3.4.1.3 Checking RF signal path (PAM)
START
No
No
Replace U1100
Yes
Yes
Check TP1 at U1100
Check if there is any major difference referring
To Figure 3.2.1.4 Is it similar ?
Check TP2 at U1100
Check if there is any major difference referring
To Figure 3.2.1.4 Is it similar ?
Check anything point
PAM circuits OK See next page.