|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
This service manual have great value... Recommended A+++++++
;
This service manual have great value... Recommended A+++++++
;
This service manual have great value... Recommended A+++++++
;
This service manual have great value... Recommended A+++++++
;
Great price, Quick delivery, the document was very usefull A+++++++++++++++
AV-20F702
TROUBLESHOOTING GUIDE
NO POWER
Is the voltage at IC501 DC24.0V ?
Yes
Check the circuit after IC501.
No IC501 Is the voltage at pin 4 of IC501 DC18V ? Yes Check IC501 and associated circuit. 1 No 4 A Is the voltage at the point A in the Figure DC170V ? Yes Broken wire of R501 or short circuit on GND. R501 T501
No
Is the voltage at the point B in the Figure AC120V ?
Yes
Check R501 rectifying circuit. B
D501~D504
No RY101 Is the voltage at the point C in the Figure AC120V ? Yes Check associated circuit of the Relay. D No
C
L501
Is the voltage at the point D in the Figure AC120V ?
Yes
F501 Broken wire of L501. CP501
No
Is the voltage on both ends of CP501 AC120V ?
Yes
Broken wire of F501.
CD501
No Broken wire of AC cord or check CP501.
14
No.51911
|
|
|
> |
|
