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Only in this place I could find this manual. Very complete and very clear. PDF is a very good quality and easily read. Thank you. I was very useful.
Videoson & ltd.
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It is great, it saves money and paper. It helps me to save room and recources.
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manual service is ok , resolve the problems
manual service is ok , resolve the problems
manual service is ok , resolve the problems
manual service is ok , resolve the problems
manual service is ok , resolve the problems
 ;
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
FLOW CHART NO.10 PON 5V is not outputted. (PON 12V is possible.) Is 5V voltage supplied at collector of Q1004? Yes Is voltage of 5V sent out from the collector of Q1004? No Check the Q1004 periphery circuit. Yes Is the "H" pulse inputted into the base of Q1004? Yes Replace Q1004. No Yes Check the AT 5V line. Check for load circuit short-circuiting or leak.
No
Check or replace Q1004, D1046.
FLOW CHART NO.11 EV -19V is not outputted. Is -19V voltage supplied at the cathode of D1003? Yes Is voltage of -24V sent out from the anode of D1003? No Check the D1003 periphery circuit. Yes Replace D1003. No Yes Check for load circuit short-circuiting or leak. Check the AT -24V line.
FLOW CHART NO.12 PON 3.3V(1), (2) is not outputted. Is 5V voltage supplied at collector of Q1011? Yes Is voltage of 3.3V sent out from emitter of Q1011? No Check the Q1011 periphery circuit. Yes Does the P-CON switch circuit operate normally? (Q1005, Q1006, etc.) Yes Are the "H" pulse inputted into base of Q1011? Yes Replace Q1011. No Yes Check the secondary circuit, AT 5V line. Check for load circuit short-circuiting or leak.
No
Check each component and if poor the replace.
No
Check or replace PON 5V line.
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