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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
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 66 of IC5 is fed. OK Check Q12, RL1 and their peripheral circuits. NG See 3. The base and handset cannot be connected.
Check IC5.
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. Check whether tone waveoutput from Pin 23 of IC2 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 IC6,Q2 and their peripheral circuit. NG NG See 3. The base and handset be cannot be connected.
Check IC2
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