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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
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I got the manual quickly after the payment was transfered (1 day). The manual was exactly what i needed and the updates via e-mail were great. Thanx!
KV-EF34N90
RM-913
6.
SELF-DIAGNOSTIC CIRCUIT
[+B overcurrent ªOCPº]
Occurs when an overcurrent on the +B(135) line is detected by Q604 (A board). If Q604 (A board) go to ON and the voltage to pin 18 of IC301 (A board) should go down when V.SYNC is more than seven verticals in a period, the unit will automatically turn off. Occurs when an overdrive on H drive line is detected by D526 (A board). Power supply will be shut down when detect it. Occurs when an absence of the vertical deflection pulse is detected by Q509 (A board) and IC001 (A board) shut down the power supply. Occurs when an overcurrent on V drive line is detected by Q507 (A board). Power supply will be shut down when detect this by IC001 (A board). If the RGB levels* do not balance or become low level within 5 seconds, 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 IK.)
[Horizontal deflection overdrive] [Vertical deflection stopped] [Vertical deflection overcurrent] [White balance failure]
�7�
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