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Found the quality of the copy excellent and a very quick service. I would certainly recommend the service.
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Good quality, clear diagrams. Exactly what I needed.
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Good product. All the information is invcluded, but due to the complexity of the amplifier, it still is difficult to get it to operation again.
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Very professional seller; very fast, accurate and rielable service.
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great works fine, got the manual on mail within a day
37GQ-20S 37GQ-21S
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
NO
Is tuning voltage normal at Pin (2) of Tuner?
YES
Check Q1001, IC1001, IC1003
-Check the AGC Voltage: Pin (1) of Tuner. -Check the SAW Filter: SF201
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