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post #1 of 1 Old 06-25-2015, 05:06 PM - Thread Starter
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JVC projection tv service mode

Hello everybody here,

I am into TV repair, and i have JVC projection TV, model: HD-Z70RX5A, which is 70'', and with dark picture even after increasing the brightness and the contrast to maximum, to increase the picture light, and still dark

and i have looked inside the TV, if there is a screen potentionmeter at the High Tension-Transformer, and nothing there to increase the picture light, " no controls for the HT Transformer"

so i need to enter the service mode menu, and look at sub-bright option there to increase the brightness from, so anybody here know the code to follow to get into this service menu?

i have attached a link for the picture with its remote control picture from the TV manual, so you know which TV im talking about

willl appreciate your help,
Thanks in advance
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Gaber Mohamed Boraey is offline  
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