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Very good detail, all pages clear, exactly what I needed
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Excellent service, and just what I needed to service my TU-7700. All pages of the manual are clear and easily readable.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
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We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
5-5 Microphone Part
Microphone does not work
Yes
No
J102 pin 4, 5 = short? Resoler J102
Yes
No
U103 pin 2 (AVCC3.0) 3.0V? Check the circuit related to U103
Yes
No
Check the circuit from U110 to MIC101
Resolder the R146,R157,R150,R155, C163,C161,C164
Yes
No
Check the tension of MIC Module Replace the Mic or Mic Holder
Yes
END
Flow Chart of Troubleshooting and Circuit Diagrams
5-9
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