2. Trouble in Power on

Is the

Power LED toggled On between on and

off?

 

Off

 

 

 

 

Is the power

No

cord well

 

connected?

 

Yes

Check the

No

waveform of pin 7

 

 

of -com.

 

 

Yes

 

 

 

 

 

 

Is 5VS line

No

normal(pin 8 of CN2)?

 

Yes

Check on Scaler(U1).

Refer to No video

or No raster.

Check if the power switch

is on position and Connect the power cord correctly.

Trouble in U6 & Q5

and its ambient circuit.

Check the power board

(5VS of CN2A).

16

Page 18
Image 18
Daewoo L510B1 service manual Trouble in Power on