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AMPLIFIER
ALIGNMENTS
1
2.
IDLE (QUIESCENT) CURRENT
Connect mV meter (DVM) from TP 701 to TP 702, left chan. (from TP 751 to TP 752, right chan.)
Adjust R 721, left chan. (R 771, right chan.) so that meter reading is 20 - 25 mVDC.
NOTE:
Reading may take a few minutes to stabilize; re-check after offset adjustment (next step.)
OFFSET (CENTERING) VOLTAGE:
Adjust R 708. left (R 758, right) so that voltage at spkr. terminals is 0 + 50 mVDC.
NOTE:
Perform these adjustments with no load, volume minimum.
14
MEMO
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