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SHARP 37GQ21S
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SHARP 37GQ21S Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Very good as always. Also this manual appears clear and well processed. I know it will help me to work on this TV. Thank you a lot! Matteo

Text excerpt from page 23 (click to view)
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

23

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