I thank Owner-Manuals.com for providing the necessary manual very quickly, and it was very helpful in repairing my personal Audio System and I once again thank them for the wonderful customer's service satisfaction.
Thanks.
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.
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.
