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Q403
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INPUT W501.
SA
W502
A. IDLE CURRENT ADJUSTMENT
1. Connect DMM across P-401 (+) and P-403 (-), adjust VR-447 for reading of
5mV +/- 0.56mV DC.(without a load across the output terminals.)
2. Repeat, using P-402 (+) and P-404 (-), adjust VR-448.
3. Repeat above procedures for each amplifier module.
B. FINAL ADJUSTMENT
1. Leave power on minimum 5 minutes.
2 Repeat idle current adjustments.
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