Panasonic Gaoo Service Manual values - AVS Forum
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post #1 of 4 Old 04-11-2007, 08:22 AM - Thread Starter
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Hello , I need help in getting service manual values for my Panasonic Gaoo, model number CT-31XF23CU. I need the greyscale values for my tv, the original values off of the old "calahans panasonic" site are way off for a proper greyscale. Can anyone provide me with such info?
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post #2 of 4 Old 04-12-2007, 07:08 AM
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I have the CT-27HL14. I sent away for the service manual, Default grayscale values listed there are as follows:

B-Y_G: 2E
CUT G: 01 65
CUT R: 01 85
CUT B: 01 A6
R DR: A0
B DR: A0

My Factory Settings: (which I still use)

B-Y_G: 32
CUT G: 01 A4
CUT R: 01 D7
CUT B: 01 E4
R DR: A8
B DR: 8F

Of course, your mileage may vary. If none of these settings work for you, maybe you could send away for a service manual from pasc.com. Mine was like 10 bucks. Cheers!
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post #3 of 4 Old 04-18-2007, 08:53 PM - Thread Starter
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The "hex" values range don't match what i have. I guess I'll have to find a way to track down the service manual for the model of tv I have.
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post #4 of 4 Old 06-02-2013, 02:38 PM
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Anyone got the service manual in PDF? Or can help me out? The person left it on all night, then this started happening. I got the same model, ct27hl14j, it starts to come on, speakers buzz for a sec, then red light blinks once every 6 seconds. No HV output. Relays click, in power supply and in high voltage section. The last relay that clicks, by the degaussing coil output, seems rather warm for only being on a short time. This leads me to believe something is shorted in the HV section. Many say the 'Horizontal Output Transistor'. Been researching extensively, found many problems in the HV power supply, such as the driver IC that could be bad as well. Anyone have a schematic diagram, or any diagram, of this TV. Any help would be appreciated. Thanks.
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