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SCHEMATIC DIAGRAMS (7/9)
1
2
Q Q
3 7 6 3 1 5 1 5 0
A
A
T E
L
1 3 9 4 2 2 9 6 5 1 3
5.1V
C
C
w w w
.
3
4
5
- 14.5V
- 35V
AC6.8V
x
a o
u 1 6 3
y
i
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6
7
8
5.1V
2V
Q
Q
3
7
6
3
1
WARNING:
c o
Parts marked with this symbol
Use ONLY replacemen t parts recommended by the manufacture.
.
CAUTION:
Before returning the unit to the customer, make sure you make either (1) a
NOTICE
leakage current check or (2) a line to chassis resistance check. If the leakage
ALL RESISTANCE VALUES I N OHM. k=1,000 OHM M=1,000,000 OHM
current exceeds 0.5 milliamps, or if the resistance from chassis to either side
ALL CAPACITANCE VALUES I N MICRO FARAD. P=MICRO-MICRO FARAD
of the power card is less than 460 kohms, the unit is defective.
EACH VOLTAGE AND CURRE NT ARE MEASUERD AT NO SIGNAL INPUT
WARNING:
CONDITION.
DO NOT return the unit to the customer until the problem is located and
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
NOTICE.
corrected.
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8
9
10
2
4
9
9
8
B
B
5
1
5
0
8
9
2
4
9
0V
0V
0V
0V
D
D
m
SCHEMATIC DIAGRAMS (7/9)
1U-3354-1 CONNECT L UNIT
have critical characteristics.
1U-3354-2 CONNECT R UNIT
1U-3354-3 FLD UNIT
1U-3354-4 PHONO UNIT
1U-3354-5 PH CONNECT UNIT
1U-3354-6 232C UNIT
1U-3354-7 232C CON. UNIT
1U-3354-8 REMOTE UNIT
1U-3354-9 JOINT UNIT
AVR-4802/AVC-A11SR
11
2
9
9
A
B
C
D
8
2
9
9
E
F
+ B LINE
- B LINE
G
SIGNAL LINE
H
68
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