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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
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When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
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I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid.
I would highly recommend these to my friends.
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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
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Manual was just as described!!! I odered it and in less than a day was able to download it and the text was clear and pages were all complete just as the original manual was. Purcashed this for a friend and they were more than happy. Perfect all around!
A
Set the handset in the NG test mode 3, check whether deviation of the TX data is app. 9.0 kHz Dev.
Check whether there is a NG 250 Hz data waveform at �MOD� of RF unit. OK Check handset RF unit.
Check RT603, R641, R642, R643, R644, R645 and C653.
OK Set the handset in the NG test mode 6, 926.997467 MHz (250 Hz ±8 kHz Dev.) 1mV output signal from RF test point is applied. Check whether the bell ring. OK Place the handset on the base to charge about 5 seconds, then connect again. Check whether the 250 NG Hz data waveform from pin 9 of IC601 is fed. OK Check IC601, Q601 and NG their peripheral circuit. OK Check handset RF unit.
Check whether there is a NG 250 Hz data waveform at the Q602 collector. OK Check whether there is a NG 250 Hz data waveform at pin 40 of IC604. OK Check IC604 and its peripheral circuit.
Check RT602, Q602 and their peripheral circuit.
Check R628, R629, IC603 and their peripheral circuit.
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