Read Harman Kardon AVR 445 (serv.man2) EMC - CB Certificate online
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Order
No.
72390
11
FAULT CONDITON TESTS -continued
P
Comp.
No.
No.
Location
Fault Test V
Test
time
time
Fuse
No.
No.
Current
through
fuse
through
fuse
Temperature/Results
Speaker
terminal
(Front)
terminal
(Front)
R - G
S-c 253
10 min
F101
0,06 A
Unit shut down immediately.
Input current stabilised at 0,06A.
No component damaged.
No hazard.
Input current stabilised at 0,06A.
No component damaged.
No hazard.
Cover
opening
opening
Blocked
253
Top
5 hr
F101
2,73 A
Normal operated.
The components are heated up to:
- Main transf. pr. winding : 80K
- Main transformer core : 68K
- Sub transf. pr. winding : 51K
- Sub transformer core : 52K
- PWB near D201
The components are heated up to:
- Main transf. pr. winding : 80K
- Main transformer core : 68K
- Sub transf. pr. winding : 51K
- Sub transformer core : 52K
- PWB near D201
: 41K
- PWB near Q334
: 37K
and stabilised.
Dielectric strength test OK.
No hazard.
Dielectric strength test OK.
No hazard.
Fan Locked
253
-
4
min.
30 sec.
F101
2,73 A
Unit shut down after 4min. 30sec.
Input current stabilised at 0,06A.
No component damaged.
and stabilised.
Dielectric strength test OK.
No hazard.
Input current stabilised at 0,06A.
No component damaged.
and stabilised.
Dielectric strength test OK.
No hazard.
Pmax
operat.
operat.
Maximum
non-
clipped
output
signal
non-
clipped
output
signal
253
-
7 min.
F101
5,70 A
The components are heated up to:
- Main transf. pr. winding : 143K
- Main transformer core : 90K
- Sub transf. pr. winding : 60K
- Sub transformer core
- Main transf. pr. winding : 143K
- Main transformer core : 90K
- Sub transf. pr. winding : 60K
- Sub transformer core
: 58K
- PWB near D201
: 74K
- PWB near Q334
: 38K
and main transformer thermal
fuse opened after 7 min.
Dielectric strength test OK.
No hazard.
fuse opened after 7 min.
Dielectric strength test OK.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection, O-I = Over Loaded
TRF No: IEC/EN 60065F
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