Read Harman Kardon AVR 5550 (serv.man11) EMC - CB Certificate online
-
IEC 60065, 6th edition : 1998
-
- Page 39 of 40 -
Order
No.
200245265
FAULT CONDITION TESTS (continued)
P
Comp. No Fault
Test V
Position
Test
time
time
Fuse No
Primary
current
current
Mains power/temperatures/results
D101
S-c
254,4
A - C
1 hr
50 min
50 min
-
2,60 A
FL display off immediately.
Input current stabilised at 2,60A.
Sub transformer primary winding
heated up to 67K and stabilised.
No hazard.
Input current stabilised at 2,60A.
Sub transformer primary winding
heated up to 67K and stabilised.
No hazard.
C102
S-c
254,4
-
20 min
-
2,60 A
FL display off immediately.
Input current stabilised at 2,60A.
R114 opened.
No hazard.
Input current stabilised at 2,60A.
R114 opened.
No hazard.
C102
S-c
207
-
3 hr
-
2,50 A
FL display off immediately.
Input current stabilised at 2,60A.
Sub transformer primary winding
heated up to 119K and stabilised.
R114 damaged.
Dielectric strength test OK.
No hazard.
Input current stabilised at 2,60A.
Sub transformer primary winding
heated up to 119K and stabilised.
R114 damaged.
Dielectric strength test OK.
No hazard.
Speaker
Terminal
Terminal
S-c 254,4
Front
(R-ch.)
(R-ch.)
10 min
F101
-
Protection circuit operated
immediately (Relay, SK11 off).
Input current stabilised at 0,04A.
No component damaged.
No hazard.
immediately (Relay, SK11 off).
Input current stabilised at 0,04A.
No component damaged.
No hazard.
Top cover
opening
opening
Blocked
254,4
-
3 hr
F101
2,57 A
Normal operating.
Components are heated up to:
- Main transf. pr. winding : 69K
- Main transf. core
Components are heated up to:
- Main transf. pr. winding : 69K
- Main transf. core
: 46K
- Sub transf. pr. winding : 65K
- Sub transf. core
- Sub transf. core
: 45K
- D201 body
: 67K
- PWB near D201
: 37K
- Q437 body
: 71K
and stabilised.
Dielectric strength test OK.
No hazard.
Dielectric strength test OK.
No hazard.
Fan 2
(outer)
(outer)
Locked 254,4 -
1
hr
20 min
F101
2,57 A
Components are heated up to:
- Main transf. pr. winding : 50K
- Main transf. core
- Main transf. pr. winding : 50K
- Main transf. core
: 32K
- Sub transf. pr. winding : 62K
- Sub transf. core
- Sub transf. core
: 39K
- D201 body
: 56K
- PWB near D201
: 28K
- Q437 body
: 65K
and protection circuit operated after
1 hr 20 min.
1 hr 20 min.
(Relay, SK11 off).
Dielectric strength test OK.
No hazard.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
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