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Well I got all the necessary specifications for the job. Document of good quality and good definition of the diagrams
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hi .full information for JVC GRVF1EG Service Manual its compete .Thank You
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perfect and good copies, all good readable.
within 24hrs and very cheap also.
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everything was fine - fast, readable, worth the price
KV-27FV300/29FV300/32FV300/36FV300
+B overcurrent (OCP) Occurs when an overcurrent on the +B (135V) line is detected by pin 48 of IC001 (A Board). If the voltage of pin 48 of IC001 (A Board) is less than 1V when V.SYNC is more than seven verticals in a period, the unit will automatically turn off. +B overvoltage (OVP) Occurs when a high is felt onpin 2 of IC501 (A Board). I-PROT Occurs when an absence of the vertical de�ection pulse is detected by pin 31 of IC301 (A Board). Power supply will shut down when waveform interval exceeds 2 seconds. IK (AKB) If the RGB levels* do not balance within 2 seconds after the power is turned on, this error will be detected by IC301 (A Board). TV will stay on, but there will be no picture. *(Refers to the RGB levels of the AKB detection Ref pulse that detects 1K). Zero Cross Check Q691 collector (GK Board) 7.5V STBY goes to 0V when the set is turned on. 9V Check Check Q691 collector (GK Board) 7.5V STBY goes to 0V when the set is turned on.
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