YAMAHA RX-V650 does not turn on

[Khodavandi]

Hi evrybody,
I have a RX-v650 does not turn on. voltage in important point is as below (FUNCTION 2 BOARD) :
K D501=4.8V
K D502=4.8V
C Q501=4.5V
K D511=0 V
PIN 12 IC502=4.8V
PIN 13 IC502=4.8V
PIN 15 IC502=0V
NO WAVE ON PIN 13 & 15 IC502 (POINT 2)
PIN 73 IC502=4.8V
PIN 74 IC502=0V WHEN PUSH POWER SW =2V
PIN 69 IC502=0V EVEN PUSH POWER SW
Can you help me ?

 

[Delta Prime]

voltage in important point is as below (FUNCTION 2 BOARD)

Is there a (fUNCTION 1 BOARD)?

 

[Khodavandi]

Yes.

 

[Khodavandi]

Is there a (fUNCTION 1 BOARD)?

Yes.

 

[Delta Prime]

What year is your Yamaha RX V650
Here's some good steps to follow in general.

https://www.starbikeforums.com/threads/help-no-power-at-all.125264/

 

[Khodavandi]

It is AV receiver no motorcycle .

What year is your Yamaha RX V650
Here's some good steps to follow in general.

https://www.starbikeforums.com/threads/help-no-power-at-all.125264/[/URL

http://

 

[bertus]

Hello,

Here you can download the manuals:

Elektrotanya for electronics experts

Electronics forum for electronics experts to repair defective appliance.

elektrotanya.com

Bertus

 

[Delta Prime]

I knew that...
That's what happens when there's too much room for interpretation.
And I don't know what I'm talking about so I'll stop here...

 

[Khodavandi]

Hello,

Here you can download the manuals:

Elektrotanya for electronics experts

Electronics forum for electronics experts to repair defective appliance.

elektrotanya.com

Bertus

Hello Bertus
I have service manual RX-V650 and read it line by line I read same problem in MAKER PRO forum before so maybe someone help me
Thanks

 

[Khodavandi]

What year is your Yamaha RX V650
Here's some good steps to follow in general.

https://www.starbikeforums.com/threads/help-no-power-at-all.125264/

2004