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37GQ-20FP
TROUBLESHOOTING TABLES.
NO PICTURE
Check Picture
setting by R/C. Signal
should be received.
Check the tuner supply
and band biases. Both
must be approx. 5V DC
Normal
Is tuning voltage
NO
normal at
YES
Pin (2) of Tuner?
Check Q1001,
IC1001, IC1003
-Check the AGC Voltage:
Pin (1) of Tuner.
-Check the SAW Filter: SF201
22
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