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Very complete shop manual. It contains everything needed to troubleshoot bascially any problem. Instructions, diagrams, schmeatics, illustrations... it's all there. Highly recommended!
Excellent quality, helped to fix problem. Thank you very much!!!!
Text excerpt from page 80 (click to view)
FH-2816ZF,2716ZF
- Checking the Auto Volume Control
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Set to AVC3 and increase pulses to confirm that the sound level increases. (Set duty to 50%) Input vehicle-speed pulse to Pin 1 of J1 mentioned on page 96. Set Pin 2 to grounding. Perform measurement.