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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.
FM(TU101) TROUBLESHOOTING
Check the 10V input of TU101 Pin 6
YES
Check the 10V of Q102 "E" YES NO
Check the Power circuit
Check the "High" of TU101 Pin5
Check the "LOW" of IC103 pin7
YES
NO
YES
NO
Refer to "IC103 Troubleshooting"
Replace the Q102
Check the OSC waveform of TU101 pin8 YES NO
Refer the TU101
Refer to "IC102 Troubleshooting"
IC 102 TROUBLESHOOTING
Check the Power input of IC102 pin8 YES NO
IC903,D105,D106 Check
Check the waveform of IC102 pin20, 21
YES
NO
Check the FM(TU101) ,AM(L102)
YES
Replace the IC102 Check the waveform of IC102 pin16, 17
YES
NO
Check the "LOW" of IC102 pin13 Refer to "IC103 Troubleshooting"
YES
END
NO
Replace the IC103
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