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SCHEMATIC DIAGRAMS (1/9)
1
2
Q Q
3 7 6 3 1 5 1 5 0
0V
0V
T E
L
1 3 9 4 2 2 9 6 5 1 3
0V
2.5V
w w w
.
3
4
5
15V
0V
2.55V
0V
-15V
2.55V
5V
3.3V
x
a o
y
i
http://www.xiaoyu163.com
6
7
8
2.55V
2.55V
8V
5V
2.8V
5V
2.8V
5V
Q
Q
3
7
6
3
5V
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.
8
9
2
4
9
9
8
0V
0V
2.8V
-14V
-15V
1
5
1
5
0
8
9
2
4
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 (1/9)
of the power card is less than 460 kohms, the unit is defective.
1U-3350 DSP UNIT (1/3)
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
B
C
0V
D
9
8
2
9
9
E
F
+ B LINE
G
- B LINE
SIGNAL LINE
H
62
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