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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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JVC AV21BT7ENS sound missing?
This TV suddenly lost sound completely.
No Nicam OSD, no suond from speakers nor headphones. Any ideas? JMK |
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#2
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JMK skrev:
This TV suddenly lost sound completely. No Nicam OSD, no suond from speakers nor headphones. Any ideas? El-cheep'o Vestel chassis 11AKxx (45 perhaps?) I would look at the MSP ic, if it gets supply voltage, if there is any action on the I2C bus (and if the bus is connected to the OTC ic) a defective EEProm could do it too, but that might destroy some geometry also, it does on the larger tube sets from JVC/Vestel BT7 and BT8. With kind regards Jan Rasmussen - radiomekanic with no job  |
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