Denon AVR-3801 Service Manual page 113

AVR-3801
SCHEMATIC DIAGRAMS (11/15)
1 2
Q Q
3 7 6 3 1 5 1 5 0
A
B
C
D
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
F
G
w w w
H
73
4 5
3
A
C
x a o
y
. i
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 NO SIGNAL INPUT
CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
NOTICE.
http://www.xiaoyu163.com
6
7
8
+ 12V
AM
FM
Lch
Rch
Q Q
3 7 6 3
+ 5.3V + 6V
WARNING:
u 1 6 3 Parts marked with this symbol have critical characteristics.
Use ONLY r eplacement 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 460 kohms, the unit is defective.
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
http://www.xiaoyu163.com
8 9
2 4
9 9 8
B
1 5 1 5 0 8 9 2 4
D
+
B LINE
SIGNAL
m
c o
SCHEMATIC DIAGRAMS (11/15)
1U-3318-5 TUNER UNIT
1U-3318-4 H/P & P . SW UNIT
10 11
2
9 9
9 8 2 9 9