akira 14RBS3WN, Руководство по обслуживанию

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Hear if there is the voice liking Ka...ka in the loudspeaker via using Signal-input way by touching pin53 of N201
Check C251,ZN04,R245
Check R111,V102,R112,C201,N201
Check C303,R352
R 3 6 2 , V 3 0 3 , C 8 0 7
Check R562,C565,VD555,N301
Check C253,C250,C251,N201
The voltage on pin16 of N801
Check 9V -power supply
Check V806,R750,R737
Hear if there is the voice liking Ka...ka in the loudspeaker via using Signal-input way by touching pin9 of N301
Hear if there is the voice liking Ka...ka in the loudspeaker via using Signal-input way by touching pin1 and pin3 of N301
Hear if there is the voice liking Ka...ka in the loudspeaker via using Signal-input way by touching pin4,pin15 of N801
Hear if there is the voice liking Ka...ka in the loudspeaker via using Signal-input way by touching pin2 and pin5 of N801
Hear if there is the voice liking Ka...ka in the loudspeaker via using Signal-input way by touching pin1 of N201
Yes
No
No
Yes
No
Yes
Yes
No
The voltage on pin9-11 of N801
<9V
9V
9V
Yes
The voltage on pin 10 of N301
Check BL301,BL302,N301
<5V
9V
No
No
Model No: 14RB S3Wn
Version 1.0
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