Denon AVR-3801 Service Manual page 59

SCHEMATIC DIAGRAMS (12/15)
1 2 3
A
C
WARNING:
Parts marked with this symbol
Use ONLY r eplacement parts recommended by the manufacture.
CAUTION:
NOTICE
Before returning the unit to the customer, make sure you make either (1) a
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM
leakage current check or (2) a line to chassis resistance check. If the leakage
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD
current exceeds 0.5 milliamps, or if the resistance from chassis to either side
EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT of the power card is less than 460 kohms, the unit is defective.
CONDITION.
WARNING:
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
DO NOT return the unit to the customer until the problem is located and
NOTICE.
corrected.
6
4 5
+ 6.3V
have critical characteristics.
7 8
9
B
D
SCHEMATIC DIAGRAMS (12/15)
1U-3318-3 S-VIDEO UNIT
AVR-3801
10 11
A
B
C
+ 4.8V
D
E
F
+ 6.3V
G
+
B LINE
SIGNAL
H
74