|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
I used for first time this the wheat and am very thanked
;
This manual was exactly what i needed and could not find elsewhere. Price is not too high. Great !
;
ecelent I was reciver the service manual soon I fell so happy very complete 100% positive all by this store tanks atte Luis salazar
 ;
A great copy of the manual, and the only one I could find anywhere on the net! The circuit diagrams are easily readable, all component values marked and easy to see. A highly appreciated download!
;
Great Manual. This manual is available no where else. It was exactly what I was looking for.
21KF-80C
NO PICTURE, NO SOUND
Does the noise level increase at max. Contrast, Brightness and Sound
Noise increase but . No signal is received.
No snow noise.
Check the tuner supply voltage LB must be approx 5V. BT must be approx. 32V, and CH preset data check.
Does noise or signal appear at pin40 of IC801?
Does noise or signal appear at pin38 of IC801?
Check IC801and its related circuit.
Check the Tuner AGC at TP201.
Does noise or signal appear at pin23 and 24 of IC801?
Check Q401, Q402 and its related circuit.
Check pin38 of IC801.
Check pin27 of IC801, Tuner and related circuit.
Check pin1,2 of SF201, Tuner and related circuit.
Check pin37 of IC801and related circuit.
NO SOUND
Does signal appear at pin6 of IC302 / 303?
Check IC3001and its related circuit.
Does signal appear at pin2 of IC302 / 303?
Check Speaker.
Check IC302 / 303 and peripheral circuit.
38
|
|
|
> |
|
|
Parse Time: 0.23 - Number of Queries: 134 - Query Time: 0.06
