A. LOW E S T V OLUME ADJ US T ME NT
3. C onnect a os cillos cope to Left channel binding pos ts .
1. T urn down the volume potentiometer to the lowes t s etting.
2. Input a high voltage s ignal s uch as 5V from C D input.
4. Obs erving the os cillos cope, adjus t VR 102,
to ma ke the output of s peaker the lowes t level pos s ible.
5. Adjus t V R 202 as in line #4 above, to make the output of the s peaker the lowes t level pos s ible.
B . IDLING C UR R E NT
4. C onnect the DMM to T P 3 & T P 4, adjus t V R 201 and then fine adjus t V R 203 for 7mV +/- 1mV .
3. C onnect the DMM to T P 1 & T P 2, adjus t V R 101 and then fine adjus t V R 103 for 7mV +/- 1mV .
1. C onnect the DMM to T P 1 & T P 2 as well as T P 3 & T P 4, adjus t the idle current to 12.5mV via V R 201/101.
T P 1
T P 2
T P 3
T P 4
V R 101
V R 201
V R 202
V R 203
MAIN B OAR D
C 315B E E
V R 103
2. P lace the top cover back on the unit and let unit run idle for 10 minutes (no input signal nor load) .
5. Ins tall the top cover.
V R 102
5. C onnect a os cillos cope to R ight channel binding pos ts .
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