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muy buen manual con multiples graficos y formas de onda ademas de muy completo y bien presentado.
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As Always these people were very rapid and efficient. A great job helping hobbiest and workers!!! Thank you a lot!
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Thank you for providing quickly a manual so old! very good job clear and understandable!
4. Cannot make a phone call (pulse).
Can the base and handset be connected? OK While in TALK MODE, press NG dial key of the handset. Check whether square waveform from pin 1 of IC2 is fed. OK Check Q10, RL1 and their peripheral circuits. NG See 3. The base and handset cannot be connected.
Check IC2.
5. Cannot make a phone call (tone).
Can the base and handset be connected? OK While in TALK MODE, press dial key of the handset. Can tone waveform from Pin 20 of IC8 is fed? OK Can tone signal be heard from the handset speaker? OK Check the base TEL-line circuit and RELAY control circuit. NG Check IC1, Q3 and their peripheral circuits. NG NG See 3. The base and handset be cannot be connected.
Check IC8.
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