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It´s very very nice manual with all, what i need. Original in good quality. Very fast business. Very much thanks...
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site.
Thank you very much
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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
FM (TUN101)
Check the +12V input of TUN101 B+ 6 Check the 12V of Q102 �E� YES YES Check the �LOW� of IC103 Pin 7 Check the �High� Voltage of TUN101 VT 5 YES Replace the Q102 Replace the TUN101 NO Refer to �IC103 Troubleshooting� NO Refer to �Power Circuit Troubleshooting�
YES
Check the OSC waveform of TUN101 Pin 8 YES Refer to �IC102 Troubleshooting� Replace the TUN101
IC102 Troubleshooting
Check the power supplying to pin8 NO YES Refer to �Power Circuit Troubleshooting�
Check the waveform of Pin 20, 21 NO YES Check the waveform output of Pin 16, 17 NO YES NO YES END Replace the IC102 Refer to �IC103 Troubleshooting� Check the �Low� of Pin 13 Check the FM(TUN101) & AM(L107) NO Replace the IC102
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