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Excellent service manual. Complete service info. with schematics, step-by-step instructions and illustrations. Well worth the price!
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Great product, helped me to restore vintage walkman cassette.
Just some pictures could be little bit more sharp and contrast
Thank you
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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
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It was a great experience,instead of purchasing a new Stereo Amplifier ,in just minutes i repaired my old one and that was thaks to the manual I have purchased from you.
Thanks again.
Samuel Alter
6. Voice cannot be transmitted to other party (outgoing call).
Check the handset MIC sensitivity. OK Check the handset TX AF circuit (around Pins 17, 19~21 of IC504). NG At the MIC of the handset, does the bias voltage exist? OK Check the base RX TEL-line out. OK NG In the base, with the SG standard modulation of 1kHz 3kHz deviation and input signal of 1mV, can the sine wave be seen at Pin 25 of IC1? OK NG NG Check R548, R534, R532 and C555.
Check the base IF circuit (around Pins 26~29 of IC1).
Then, can the sine wave be seen at Pin 24 of IC1? OK Then, can the sine wave be seen at the Q2 collector? OK Check the sorrounding circuit of T1.
NG
Check circuit around Pin 24 of IC1.
NG
Check Q2 and the sorrounding circuit of Q2.
Check the base RX sensitivity. OK The handset MIC is defective.
NG
Check the base RX TEL-line out. OK Check RX RF and mixer circuit of the base (around Q1) as well as FT3 and FT2.
NG
� 17 �
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