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SHARP GX20
Service Manual


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

Description of SHARP GX20 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.

The manual is available in languages: English

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Text excerpt from page 54 (click to view)
GX20
Hands free kit (Headset) When replacing the hands free kit, output avilable?
NO

CONFIDENTIAL
YES

Hands free kit defective.

Voltage of 1 to 1.9 V applied to JK301 3 pin?
NO

YES

E

Voltage of 1 to 1.9 V applied to TP106?
NO

YES

Parts of L105 to JK301 3 pin defective.

Voltage of more than 2.4 V applied to Q101 3 pin?
NO

YES

Parts of Q101 3 pin to L105 defective.

YES

Q101 defective.

Voltage of 3 V applied to Q101 2 pin?
NO

IC104 defective.

G E

Voltage of approx. 1 V applied to IC102 44 pin?
NO

YES

F

Voltage of approx. 1 V applied to IC102 40 pin?
NO

YES

IC102 defective.

Voltage of more than 2.4 V applied to Q101 3 pin?
YES

NO

G

Parts of R107, R108, C113 and L106 defective or soldering defective.

F

Voltage of 0 V applied to C186 (IC102 6 pin side)?
NO

YES

IC102 defective or soldering around C186 and R184 defective.

JK301 defective or R184 defective.

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