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Very complete shop manual. It contains everything needed to troubleshoot bascially any problem. Instructions, diagrams, schmeatics, illustrations... it's all there. Highly recommended!
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Great product, very good quality, found all needed information. Thanks
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Excellent quality, helped to fix problem. Thank you very much!!!!
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I thank Owner-Manuals.com for providing the necessary manual very quickly, and it was very helpful in repairing my personal Audio System and I once again thank them for the wonderful customer's service satisfaction.
Thanks.
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Everything fine: quick service, no glitch and above all a very good quality of the Pdf file. Thank you!
3. The base and handset cannot be connected.
Check whether the base is able to set in the test mode 1.
NG
Check IC22 and its peripheral circuit.
OK
Check the TX POWER and NG the TX FREQUENCY on the base unit. Check base RF unit.
OK
Set the base in the test mode 3, check whether deviation of the TX data is app. 8 kHz Dev.
NG
Check whether there is a NG 250Hz data waveform at C232.
Check RT3, C234, R58 and C232.
OK
Check base RF unit.
OK
Set the base in the test mode 8, 902.952467 MHz (250 Hz ±8 kHz Dev.) 1mV output signal from RF jack is applied. Does the bell ring?
NG
Check whether there is a NG 250 Hz data waveform at pin 9 of IC1.
Check base RF unit.
OK
Check whether there is a 250 Hz data waveform at the Q6 collector.
NG
Check RT2, Q6 and their peripheral circuit.
OK
OK
Check whether there is a NG 250Hz data waveform at pin 39 of IC22. Check IC18 and its peripheral circuit.
OK
Check IC22 and its peripheral circuit.
Check whether the handset NG is able to set in the test mode 1.
Check
IC603
and
its
peripheral circuit.
OK
Check the TX POWER and NG the TX FREQUENCY on the handset unit. Check handset RF unit.
OK A
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