Denon DN-780R Service Manual page 44

SCHEMATIC DIAGRAMS (2/7)
1 2 3 4 5 6 7 8
_ +
B LINE
SIGNAL LINE
WARNING:
Parts marked with this symbol have critical characteristics.
Use ONLY replacement parts recommended by the manufacture.
CAUTION:
Before returning the unit to the customer, make sure you make either (1) a
leakage current check or (2) a line to chassis resistance check. If the leakage
current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective.
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
NOTICE
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT
CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
NOTICE.
DN-780R
9 10 11
SCHEMATIC DIAGRAMS (2/7)
GU-3461-2 DISPLAY UNIT
GU-3461-3 POWER UNIT
GU-3461-4 SWA UNIT
GU-3461-5 SWB UNIT
GU-3461-8 POWER UNIT2
A
B
C
D
E
F
G
H
44