2135746
1. POWER(SMPS) CIRCUIT DIAGRAM
VF(+) Power dead
Please replace a defective power supply unit with a new one except fuse.R102 is defective
VF(-) Power deadACE
ZD102 is defective
BD
3.3V, 1.8V, 8V, 12V Power dead
IC105 is defective
Power dead
IC101 is defective
DVF-3080-S/8100
5V Power dead
Q107 is defective
NOTES) WarningNOTES : Symbol denotes AC ground.
NOTES) Parts that are shaded are criticalCAUTION: For continued safety, replace safety critical components only with man-The DC voltage is an actual reading mea-
NOTES) With respect to risk of fire orSymbol denotes DC chassis ground.
NOTES) electricial shock.ufacturer's recommended parts (refer to parts list).indicates safety critical com-sured with a high impedance type voltmeter
ponents. For continued protection against risk of fire, replace only with same typewith no signal input. The measurement
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and rating fuse(s). To reduce the risk of electric shock, leakage-current or resis-value may vary depending on the measur-
tance measurements shall be carried out (exposed parts are acceptably insulateding instruments used or on the product.
from the supply circuit) before the appliance is returned to the customer. |