24
8.1.3.
P.C.B. (Printed Circuit Board) exchange
8.1.3.1.
Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
8.1.3.2.
Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
8.1.4.
Adjustment Volume Location
8.1.5.
Test Point Location
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
R628 (P)
*
SC Board
Vad
TPVAD (SC)
-105V ± 1V
VR16600 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 1V
VR16000 (SS)
*
Содержание TH-42PV80D
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Страница 93: ...93 13 1 3 Mechanical Replacement Parts List ...
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