JBL S-5160 EMC - CB Certificate ▷ View online
page 21 of 49
Ref.No.:416321
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
Winding temperature rise measurements
Ambient temperature t1 (ºC) ................................. : 22
Ambient temperature t2 (
°C) ................................. : 25
temperature rise dT of winding:
R
1
(
Ω)
R
2
(
Ω)
dT (K)
permitted
dT (K)
insulation
class
Main Transformer (right) Primary winding
1.7927 2.107 42
85 E
Main Transf. (right) Sec.wind. ch.1 yel/blue
0.4988 0.5841 41
85 E
Main Transf. (right) Sec.wind.ch.1
orn/white
0.4910 0.5752 41
85
E
Main Transf. (right) Sec.wind. ch.2 yellow
0.5114
-
-
85
E
Main Transf. (right) Sec.wind. ch.2
orange
0.4997
-
-
85
E
Main Transformer (left) Primary winding
1.9084 2.281 47
85 E
Main Transf. (left) (Sec.wind. ch.3 yellow
0.4985
-
-
85
E
Main Transf. (left) (Sec.wind. ch.3
orange
0.4898
-
-
85
E
Main Transf. (left) Sec.wind. ch.4 yellow
0.5102
-
-
85
E
Main Transf. (left) Sec.wind. ch.4
orange
0.4999
-
-
85
E
Main Transf. (left) Sec.wind. ch.5 yellow
0.5271
-
-
85
E
Main Transf. (left) Sec.wind. ch.5
orange
0.5135 -
-
85
E
Standby Transformer Primary winding
140.45
164.05
40
85
E
Standby Transformer Secondary winding
0.2307
0.2680
39
85
E
AC Line inductor (YT-15629 ELY)
0.1151
-
-
85
E
Alt. AC Line inductor, toroidal (AA-040059-CH)
0.3788 -
- 85 E
Note: the fan is mounted in a way that it brings in air from the rear and expels it at the front.
page 22 of 49
Ref.No.:416321
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
7.2
TABLE: softening temperature of thermoplastics
P
temperature T of part
T - normal
conditions (ºC)
T - fault
conditions (ºC)
T softening
(ºC)
Mains terminal block (gray)
-
-
188
(required min 150)
10.3
TABLE: insulation resistance measurements
P
insulation resistance R between:
R (M
Ω)
required R (M
Ω)
Between the poles of the circuit directly connected to the
supply mains.
>10 min
2
Reinforced insulation.
>10
min 4
Basic insulation
>10 min
2
Left transformer prim-sec (reinforced insulation).
>10 min
4
Right transformer prim-sec (reinforced insulation).
>10 min
4
10.3 TABLE:
electric
strength
measurements
P
test voltage applied between:
test voltage (V)
Breakdown
Between the poles of the circuit directly connected to the
supply mains.
2120V peak
No
Reinforced insulation.
4240V peak
No
Basic insulation.
2120V peak
No
Left transformer prim-sec (reinforced insulation).
4240V peak
No ( >10kV )
Right transformer prim-sec (reinforced insulation).
4240V peak
No ( >10kV )
page 23 of 49
Ref.No.:416321
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
11.2
TABLE: summary of fault condition tests
P
Voltage (V) 0.9 or 1.06 times rated voltage .......... : Rated 220-240V
Ambient temperature (
°C) ..................................... : 22
Winding temperature rise measurements
Ambient temperature t1 (ºC) ................................. : 22
Ambient temperature t2 (ºC) ................................. : 25
No. Component
No.
Fault
Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
1
100%
output
254.4 4h
Sec F1/F2
3.2/3.2
I
in
=7.1 A P
in
=1400W
Panel mount prim F1= 3.2A
Panel mount prim F2= 4.4A
Sec F1=3.2A Sec F2=3.2A
U
Panel mount prim F2= 4.4A
Sec F1=3.2A Sec F2=3.2A
U
out
=37.7V P
out
=177.7W
After 2h 5min the thermal cut-out
in the left transformer opened.
After 29min it switched on again.
After 1h 20min the thermal cut-out
in the left transformer opened
again. Repeated in a cycle. Max
temperature rises was measured
after 3h 58min:
Left transf prim wind dT= 107K
Right transf prim wind dT= 85K
Right transf sec wind dT=79K
Standby transf wind dT=40K
Left transf. outside dT=87K
Right transf. outside dT=73K
PCB dT=56K
Thermistor dT=115K
Enclosure, rear part top dT=32K
Enclosure, middle part top dT=37K
Enclosure, front part top dT=35K
Enclosure, front dT=35K
Prim inductor dT=62K OK
in the left transformer opened.
After 29min it switched on again.
After 1h 20min the thermal cut-out
in the left transformer opened
again. Repeated in a cycle. Max
temperature rises was measured
after 3h 58min:
Left transf prim wind dT= 107K
Right transf prim wind dT= 85K
Right transf sec wind dT=79K
Standby transf wind dT=40K
Left transf. outside dT=87K
Right transf. outside dT=73K
PCB dT=56K
Thermistor dT=115K
Enclosure, rear part top dT=32K
Enclosure, middle part top dT=37K
Enclosure, front part top dT=35K
Enclosure, front dT=35K
Prim inductor dT=62K OK
2 Speaker
output
(any
channel)
sc 254.4 5min
- -
Circuit protection. Blue diode on
front darkens.
front darkens.
OK
page 24 of 49
Ref.No.:416321
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
3
Fan
locked
254.4 4h
Sec F1/F2
1.2/1.2
After 35min the thermal cut-off on
the amplifier units started to turn
off the channels. After additional
50min channels switched on
again. Channels continued to
switch off and on in a cycle. Max
temperature rises:
Right transf. outside dT=24K
Standby transf. iron core dT=47K
PCB dT=52K
Thermistor dT=55K
Fan motor dT=30K
Enclosure, middle part top dT=30K
Enclosure, top dT=16K
Enclosure, front dT=9K OK
the amplifier units started to turn
off the channels. After additional
50min channels switched on
again. Channels continued to
switch off and on in a cycle. Max
temperature rises:
Right transf. outside dT=24K
Standby transf. iron core dT=47K
PCB dT=52K
Thermistor dT=55K
Fan motor dT=30K
Enclosure, middle part top dT=30K
Enclosure, top dT=16K
Enclosure, front dT=9K OK
4
C16
(Channel 1)
sc 254.4 5min
Sec F1/F2
2.7/2.7 R51 opened after 10s OK
5
Q1 pin 1
(Channel 1)
d 254.4 1.5h
Sec F1/F2
2.9/1.8 I
in
=4A P
in
=700W
U
out channel1
= 14V dc
I
F1 sec
increased to 4.9A during 3.5
min. I
F2 sec
decreased to 0.5A
U
out channel1
= 38.8Vdc.
I
F1
and U
out
begun to decrease
after 5 min. After 1.5h
I
I
F1 sec
=4.5A
U
out channel1
= 35Vdc
Enclosure, middle part top above
heat sink ch.1 dT= 34K
Front dT= 21K
heat sink ch.1 dT= 34K
Front dT= 21K
OK
6
C9
(Channel 1)
sc
254.4
5min
-
-
R33 opened immediately. OK
7a
Q17 c-b
(Channel 2)
sc 198 15min
Sec F1/F2
5/0
Ch.2 in protection mode
U
out channel2
= 41.5V dc
Tries to switch on in a cycle.(I
F1sec
=
12A, I
F2sec
= 10A)
No high temps.
OK
7b
Q17 c-b
(Channel 2)
sc 254.4 15min
Sec F1/F2
5.7/0 Ch.2 in protection mode
U
out channel2
= 49V dc
Tries to switch on in a cycle.(I
F1sec
=
13A, I
F2sec
= 12A)
No high temps.
OK
8
Q17 c-e
(Channel 2)
sc 254.4 15min
Sec F1/F2
3.5/0 Ch.2 in protection mode
U
out channel2
= 39V dc
Tries to switch on in a cycle.(I
F1sec
=
6.5A, I
F2sec
= 5A)
No high temps.
OK
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