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SCHEMATIC DIAGRAMS (4/9)
1
2
Q Q
3 7 6 3 1 5 1 5 0
A
A
0V
0V
0V
0V
T E
L
1 3 9 4 2 2 9 6 5 1 3
C
C
w w w
.
3
4
5
0V
0V
0V
0V
- 15.2
+ 15.1
x
a o
y
i
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6
7
8
0V
Q
Q
3
7
6
3
4.5V
5.1V
B LINE
u 1 6 3
.
NOTICE
ALL RESISTANCE VALUES I N OHM. k=1,000 OHM M=1,000,000 OHM
ALL CAPACITANCE VALUES I N MICRO FARAD. P=MICRO-MICRO FARAD
EACH VOLTAGE AND CURRE NT ARE MEASUERD AT NO SIGNAL INPUT
CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
NOTICE.
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8
9
2
4
9
9
8
B
B
0V
20V
0V
0.1V
4.5V
20V
0.1V
4.5V
5.1V
1
5
1
5
0
8
9
2
4
5.1V
5.1V
5.1V
5.1V
D
D
- 14.5V ´ 7
- 14.5V
4.8V
5V
5V
5V
5V
5V
5V
5V
5V
m
WARNING:
c o
Parts marked with this symbol
have critical characteristics.
Use ONLY replacemen t 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
SCHEMATIC DIAGRAMS (4/9)
of the power card is less than 460 kohms, the unit is defective.
1U-3351 AUDIO IN UNIT
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
AVR-4802/AVC-A11SR
10
11
2
9
9
A
20V
20V
0V
0V
B
0V
C
D
9
8
2
9
9
E
59.8V
59.8V
F
8.0V
0V
G
+ B LINE
- B LINE
SIGNAL LINE
H
65
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