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For U.S.A., Canada, Europe,
Asia, China, Hong Kong &
Taiwan R.O.C. model
Hi-Fi Component
SERVICE MANUAL
MODEL AVR-1602/682
AV SURROUND RECEIVER
Some illustrations using in this service manual are slightly different from the actual set.
14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN
Telephone: 03 (3584) 8111
X0116 1174 NC 0111
AVR-1602/682
SCHEMATIC DIAGRAMS(5/7)
1 2 3 4 5 6 7 8 9 10 11
A
B
C
D
E
F
+ B LINE G
- B LINE
NOTICE WARNING: SIGNAL LINE
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics.
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION:
CONDITION. Before returning the unit to the customer, make sure you make either (1) a
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR leakage current check or (2) a line to chassis resistance check. If the leakage SCHEMATIC DIAGRAMS(5/7)
NOTICE. current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective.
MAIN P.W.B. UNIT H
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
46
AVR-1602/682
SCHEMATIC DIAGRAMS(5/7)
1 2 3 4 5 6 7 8 9 10 11
A
A B B
C
D
E
C D
F
+ B LINE G
- B LINE
NOTICE WARNING: SIGNAL LINE
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics.
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION:
CONDITION. Before returning the unit to the customer, make sure you make either (1) a
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR leakage current check or (2) a line to chassis resistance check. If the leakage SCHEMATIC DIAGRAMS(5/7)
NOTICE. current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective.
MAIN P.W.B. UNIT H
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
46
SCHEMATIC DIAGRAMS(5/7)
1 2 3 4 5
AVR-1602/682
6 7 8 9 10 11
A
B
C
D
NOTICE WARNING:
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts re
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION:
CONDITION. Before returning the unit to the c
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR leakage current check or (2) a li
NOTICE. current exceeds 0.5 milliamps, o
of the power card is less than 46
WARNING:
DO NOT return the unit to the cu
corrected.
E
F
+ B LINE G
- B LINE
SIGNAL LINE
ave critical characteristics.
nded by the manufacture.
, make sure you make either (1) a
assis resistance check. If the leakage SCHEMATIC DIAGRAMS(5/7)
esistance from chassis to either side
, the unit is defective.
MAIN P.W.B. UNIT H
until the problem is located and
46
AVR-1602/682
SCHEMATIC DIAGRAMS(6/7)
1 2 3 4 5 6 7 8 9 10 11
A
B
C
D
E
F
+ B LINE G
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM WARNING: - B LINE
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Parts marked with this symbol have critical characteristics.
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT Use ONLY replacement parts recommended by the manufacture.
CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
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
current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective. SCHEMATIC DIAGRAMS(6/7)
WARNING: FRONT P.W.B. UNIT H
DO NOT return the unit to the customer until the problem is located and TACT S/W P.W.B. UNIT
corrected.
H/P & POWER S/W P.W.B. UNIT
47
AVR-1602/682
SCHEMATIC DIAGRAMS(6/7)
1 2 3 4 5 6 7 8 9 10 11
A
A B B
C
D
E
C D
F
+ B LINE G
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM WARNING: - B LINE
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Parts marked with this symbol have critical characteristics.
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT Use ONLY replacement parts recommended by the manufacture.
CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
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
current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective. SCHEMATIC DIAGRAMS(6/7)
WARNING: FRONT P.W.B. UNIT H
DO NOT return the unit to the customer until the problem is located and TACT S/W P.W.B. UNIT
corrected.
H/P & POWER S/W P.W.B. UNIT
47
SCHEMATIC DIAGRAMS(6/7)
1 2 3 4 5
AVR-1602/682
6 7 8 9 10 11
A
B
C
D
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 MO SIGNAL INPUT
CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR
NOTICE.
E
F
+ B LINE G
WARNING: - B LINE
Parts marked with this symbol have critical characteristics.
Use ONLY replacement 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 460kohms, the unit is defective. SCHEMATIC DIAGRAMS(6/7)
WARNING: FRONT P.W.B. UNIT H
DO NOT return the unit to the customer until the problem is located and TACT S/W P.W.B. UNIT
corrected.
H/P & POWER S/W P.W.B. UNIT
47
AVR-1602/682
SCHEMATIC DIAGRAMS(7/7)
1 2 3 4 5 6 7 8 9 10 11
A
B
C
D
E
F
G
+ B LINE
SIGNAL LINE
NOTICE WARNING:
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics.
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION: SCHEMATIC DIAGRAMS(7/7)
CONDITION. Before returning the unit to the customer, make sure you make either (1) a
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR leakage current check or (2) a line to chassis resistance check. If the leakage TUNER P.W.B. UNIT H
NOTICE. current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective.
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
48
AVR-1602/682
SCHEMATIC DIAGRAMS(7/7)
1 2 3 4 5 6 7 8 9 10 11
A
A B B
C
D
E
C D
F
G
+ B LINE
SIGNAL LINE
NOTICE WARNING:
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics.
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION: SCHEMATIC DIAGRAMS(7/7)
CONDITION. Before returning the unit to the customer, make sure you make either (1) a
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR leakage current check or (2) a line to chassis resistance check. If the leakage TUNER P.W.B. UNIT H
NOTICE. current exceeds 0.5 milliamps, or if the resistance from chassis to either side
of the power card is less than 460kohms, the unit is defective.
WARNING:
DO NOT return the unit to the customer until the problem is located and
corrected.
48
SCHEMATIC DIAGRAMS(7/7)
1 2 3 4 5
AVR-1602/682
6 7 8 9 10 11
A
B
C
D
NOTICE WARNING:
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol ha
ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommen
EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION:
CONDITION. Before returning the unit to the customer
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR leakage current check or (2) a line to cha
NOTICE. current exceeds 0.5 milliamps, or if the re
of the power card is less than 460kohms
WARNING:
DO NOT return the unit to the customer
corrected.
E
F
G
+ B LINE
SIGNAL LINE
have critical characteristics.
commended by the manufacture.
ustomer, make sure you make either (1) a
SCHEMATIC DIAGRAMS(7/7)
ne to chassis resistance check. If the leakage TUNER P.W.B. UNIT H
r if the resistance from chassis to either side
0kohms, the unit is defective.
stomer until the problem is located and
48