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this manual make me repair my vintage radio with easily.
Thank you for your best service
sukpra
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A good manual. Had everything i needed to make the repair.
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This manual is a complete guide, including later additions. It has all the necessary information about the replacement items. The material quality is great to read.
 ;
This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
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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