My Hitachi would power on, the screen would come on then after 5 seconds or less the screen would go out and then the power LED would flash green repeatedly. I am trying to figure out if it is the main board or power supply causing the issue. I don't have a good camera right now for pics.
Steps taken:
1. Disconnected the sustain boards.
2. Measured voltages from psu to main
Pin 1. reads constant standby of 3.371V
Pin 6. On reads around 5.18V
Pin 6. off reads 0V
By off I mean when the screen goes out along with the sound of a relay.
Thanks for any input you may have.
Steps taken:
1. Disconnected the sustain boards.
2. Measured voltages from psu to main
Pin 1. reads constant standby of 3.371V
Pin 6. On reads around 5.18V
Pin 6. off reads 0V
By off I mean when the screen goes out along with the sound of a relay.
Thanks for any input you may have.
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