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There are currently no product reviews.
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Everything fine: quick service, no glitch and above all a very good quality of the Pdf file. Thank you!
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The manual was complete, parts list, adjustment procedures, etc. No worries
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Very usefully, I could find the trouble clearly with that manual.
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Bon produit. Permet de corriger les couleurs et de redonnez un petit coup de jeune à vos vieilles vidéos. On regrettera juste le manque d'une prise s-vidéo.
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Quality scan of the actual service manual, just what I was looking for.
GX15
3. No voice is heard from the earpiece.
Phone (Handset) Do keypad tones and melodies sound?
YES
CONFIDENTIAL
NO
Go to the section �Earpiece (for loud speaker) does not work�. (see page 2-50)
Is 0.5 V or more applied to R101 (IC103 pin 9 side)?
NO
YES
IC103 is defective.
Is 0.5 V or more applied to JK101 pin 5?
NO
YES
Parts between socket JK101 pin 5 and IC103 pin 9 are defective.
Is 0.5 V or more applied to JK101 pin 3?
NO
YES
Socket JK101 is defective.
Is 0.5 V or more applied to TP120?
NO
YES
Parts between socket JK101 pin 3 and TP120 are defective.
Is 2.4 - 2.6 V applied to TP176?
NO
YES
R122 is defective.
Is 2.4 - 2.6 V applied to R115 (IC103 pin 76 side)?
NO
YES
R115 is defective. (Hands free kit mode is set.)
IC103 is defective. Hands free kit (Headset) Replace the hands free kit. Is sound produced?
NO
YES
The hands free kit is defective.
Is signal sent to JK101 pin 4?
NO
YES
Socket JK101 is defective, or the hands free kit is in a poor contact with the socket plug.
Is signal sent to TP121?
NO
YES
Parts between socket JK101 pin 4 and TP121 are defective.
Is signal sent to R124 (IC103 pin 60 side)?
NO
YES
Parts between IC103 pin 60 and TP120 are defective.
Disconnect the hands free kit. Is voice heard in phone mode?
YES
NO
IC103 or IC106 is defective.
Is the voltage 0 V on R101 (IC103 pin 9 side)?
NO
YES
IC103 is defective.
Socket JK101 is defective.
2 � 48
 $4.99 GX15 SHARP
Circuit Diagrams Set of circuit diagrams. The diagrams will be provided as PDF file. The file will be delivered after…  $4.99 GX15 SHARP
User Guide It's a complete guide ( also known as operating manual or owner's manual), and it's in PDF format. A…
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