- Joined
- Mar 9, 2021
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When I power on the keyboard , it gets stuck at the boot msg *YAMAHA* On the screen.
After about 10 to20 times powered on , once it fully noots.. gets functional ..
I checked all the voltages 1.8 , 3.3 & 5 volts on the motherboard.. all are perfect..
What could be the issue..pls suggest.. I am having experience of repairing PC motherboards and having all necessary equipment’s.. and also schematics of PSR E423 keyboard..
Can you guide me to repair the motherboard?
After about 10 to20 times powered on , once it fully noots.. gets functional ..
I checked all the voltages 1.8 , 3.3 & 5 volts on the motherboard.. all are perfect..
What could be the issue..pls suggest.. I am having experience of repairing PC motherboards and having all necessary equipment’s.. and also schematics of PSR E423 keyboard..
Can you guide me to repair the motherboard?