MD-42M8 SERIES
8.3.
P.C.B. (Printed Circuit Board) exchange
8.3.1.
Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
8.3.2.
Quick adjustment after P.C.B. exchange
P.C.B.
P Board
SC Board
SS Board
*See the Panel label.
8.4.
Adjustment Volume Location
8.5.
Test Point Location
Name
Test Point
Vsus
TPVSUS (SS)
Vda
TPVDA (SS)
Vad
TPVAD (SC)
Ve
TPVE (SS)
Voltage
Volume
Vsus ± 1V
R628 (P)
67V ± 1V
R665 (P)
-90V ± 1V
VR6477 (SC)
Ve ± 1V
VR6074 (SS)
14
Remarks
*
*