Denon D-107 Service Manual page 79

SCHEMATIC DIAGRAMS (4/6)
1 2 3
A
A
C
C
4 5 6 7 8 9
B
B
D
D
+ B LINE
- B LINE
SIGNAL LINE
D-107
10 11
A
B
C
D
E
NOTICE
F
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.
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 G
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.
SCHEMATIC DIAGRAMS (4/6)
H
1U-3400 POWER SUPPLY UNIT Ass'y
1U-3400 POWER SUPPLY UNIT
1U-3400-2 PRIMARY UNIT
1U-3400-3 SECONDARY UNIT
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