Akai LCT42Z6TM, Service Manual

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1.Do not power on .
1.1 Please check AC cable if connect to AC plug.
Is true the connector don’t connect to AC plug. Please connect it.
1.2 Please check AC cable if connect to AC power.
Is true the AC cable don’t connect to AC power. Please connect it.
1.3 Please check power board of fuse if broken.
If the F1 fuse is broken, Please pull out the AC cable from AC power. Please check AC L
power and AC N ground by multimeter, The read number is infinite, the fuse is broke. then
look up power board if not burn out place. Is true it. Please change power board or be changed
power board.
2. The power on switch of green extinguish.
2.1 The power of led(indicator light) is red light, To touch power on key when indicator light
wink.
Is true that the power DC output have somewhere short circuit.
3.The power is normal work ,but don’t backlight.
3.1 The indicator light work normal (green light ).
Please refer to attached sheet A circuit diagram.
3.2 Please check backlight of connector if not it direction is wrong or the connector of wire
compositor direction is wrong.
3.3 To check connector panel of voltage is +24v. It’s true. Then to check of the first pin if it
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