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The Technics manual was very clear and I was able to solve my technical problems.
I did not think that anyone kept these manuals and was pleasantly surprised to find them on the Internet and at an affordable price.
I would recommend Owner Manuals as a first source of technical products for ‘dated’ equipment manuals.
Ian
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The content of the manual was not found on the Internet and was a hard find. I check the net for 5 hours until I came across this web-site. When I did find the book it Auto loaded into my IPAD PDF shelf for books for review at anytime. Overall I am satisfied with the book and it answered all my questions. This repair book is obsolete because the product I bout it for is pretty old. Thanks for the help with the download and even having the manual. Thanks 73's K5HRD
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Excellent manual including schematics. The service was great and the manual helped complete the job.
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It was magic after so many years to still be able to source this info. It was equally amazing to return my Pioneer receiver to it near new sound quality AFTER NEARLY 30 YEARS! Thank you for this ability!
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Very quick and easy website to use and fast download of manual, quality of manual is excellent and will be pleased to use this service again in the future, thanks so much!
FLOW CHART NO.4 When the output voltage fluctuates. Does the secondary side photo coupler circuit operate normally? Yes Does the primary side photo coupler circuit operate normally? Yes Replace IC1001. FLOW CHART NO.5 When buzz is heard from the vicinity of power circuit. Check for short-circuiting of rectifying diode and circuit in each rectifying circuit of secondary side. (D1003, D1030, D1008, D1009, D1013, D1016, Q1002, IC1002, Q1007, Q1010, Q1011, Q1014, Q1004, etc.) FLOW CHART NO.6 The fluorescent display tube does not light. Is the supply voltage of 5V fed to pin(6) and pin(24) of IC2001? Yes Is the supply voltage of -24V fed to pin(15) of IC2001? Yes Is there 500kHz oscillation at pin(26) of IC2001? Yes Check the signal lines of FIP DA, FIP CK, FIP CS of IC2001 and IC601? Yes Are the filament voltage applied between (1), (2) and (38), (39) of the fluorescent display tube? Also negative voltage applied between these pins and GND? No No Check the EV 5V line. No Check the circuit and replace the parts. (IC1001, IC1006, D1048, D1015, etc.) Check the circuit and replace the parts. (IC1001, IC1012, D1024, etc.)
No
No Check the -FL -24V line. No Check R2001, IC2001 and their periphery.
Check or replace IC2001 and IC601.
No
Check the power circuit, D1017, Q2023, Q2024 and Q2025.
Yes No Check the fluorescent display tube and its periphery? FLOW CHART NO.7 The key operation is disabled. Is key switch contact and installation state normal? Yes Is the control voltage normally into the pins(3), (4), (7), (8), (9), (10), (11), (12), (13), (14) of IC2001? No
Check that the fluorescent display tube is free from damages such as crack.
Replace key switch.
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