JBL AVA 7 EMC - CB Certificate ▷ View online
page 25 of 37
Ref.No.:503878
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
Sc = shut circuit, d = disconnected
No. Component
No.
Fault
Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
1
- 100%
output
254.4 5h
14 min.
Sec F1/F2
each
channel
amplifier
2.7/2.7
I
in
=6.6A P
in
=1360W
Fuse in appliance inlet F1= 6.6A
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
out
=31V P
out
=120W
After 1h 18min main transformer
shut down (thermal cut-out) after
52 min it switched on again
automatic. After 3h 10min the
thermal cut-out in transformer
opened again. Repeated in a
cycle. Max temperature rises was
measured after 5h 14min:
Main transf prim winding dT= - K
Main transf sec.wind. dT= 98-100K
T1 wind. dT=40K
T1 wind. dT=43K
PCB dT=56K
Heatsink thermistor dT=45K
Enclosure, rear part top dT=29K
Enclosure, front dT=23K
Knobs plastic dT=19K
No hazard.
shut down (thermal cut-out) after
52 min it switched on again
automatic. After 3h 10min the
thermal cut-out in transformer
opened again. Repeated in a
cycle. Max temperature rises was
measured after 5h 14min:
Main transf prim winding dT= - K
Main transf sec.wind. dT= 98-100K
T1 wind. dT=40K
T1 wind. dT=43K
PCB dT=56K
Heatsink thermistor dT=45K
Enclosure, rear part top dT=29K
Enclosure, front dT=23K
Knobs plastic dT=19K
No hazard.
2 Speaker
output
(any
channel)
sc
254.4 - - -
Channel
circuit
protection
shut
down immediately, after 5 s
channel continued to switch off
and on in a cycle.
No hazard.
channel continued to switch off
and on in a cycle.
No hazard.
page 26 of 37
Ref.No.:503878
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
No. Component
No.
Fault
Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
3
Fan
locked
left fan
254.4 1h
30 min.
Sec F1/F2
each
channel
amplifier
1.0/1.0
I
in
=2.7-1.6A P
in
=520-305W
Fuse in appliance inlet F1= 2.7A
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
out
=11V P
out
=15W
After 23min. five channels on and
after 1h 30min. three channels on.
Max temperature rises:
Mains transf. winding dT=36K
T1 winding dT=45K
PCB dT=35K
Left fan motor unit dT=20K
Enclosure, back part top dT=29K
Enclosure, front dT=13K
No remarks.
after 1h 30min. three channels on.
Max temperature rises:
Mains transf. winding dT=36K
T1 winding dT=45K
PCB dT=35K
Left fan motor unit dT=20K
Enclosure, back part top dT=29K
Enclosure, front dT=13K
No remarks.
4
Ventilation
Vent.
holes
covered
254.4 4h
Sec F1/F2
each
channel
amplifier
1.0/1.0
I
in
=2.7-1.6A P
in
=520-305W
Fuse in appliance inlet F1= 2.7A
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
out
=11V P
out
=15W
After 36min. five channels on and
1h 6min. two channels on.
Max temperature rises:
Main transf. winding dT=39-42K
T1 winding dT=60K
PCB dT=40K
Enclosure, med. part top dT=32K
Enclosure, front dT=26K
No remarks.
1h 6min. two channels on.
Max temperature rises:
Main transf. winding dT=39-42K
T1 winding dT=60K
PCB dT=40K
Enclosure, med. part top dT=32K
Enclosure, front dT=26K
No remarks.
5
DBR1
Channel 1
(+ - −)
sc
198 / 254.4
-
Mains fuse
>8.4
Mains fuse opened immediately.
No remarks.
6
C16
Channel 1
sc
198 / 254.4
-
Mains fuse
>8.4
Mains fuse opened immediately.
No remarks.
page 27 of 37
Ref.No.:503878
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
No. Component
No.
Fault
Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
7
D4
Channel 1
sc 254.4 1h
Sec F1
Sec F2
Sec F2
channel 1
amplifier
4 - 12
0 - 12
0 - 12
in short
times
I
in
=2.66A P
in
=390W
Fuse in appliance inlet F1= 2.66A
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
Fuse F1 Fan PCB prim = 0.4-1.9A
AC PCB fuse F1 = 21mA
U
out
=11V P
out
=15W
Channel 1 circuit protection shut
down immediately and channel 1
continued to switch off and on in a
cycle. After 1 hour max temp.rises:
Main transf iron core dT= 46K
T1 iron core dT = 40K
PCB dT = 38K
Heatsink channel 1 dT = 40K
No hazard.
down immediately and channel 1
continued to switch off and on in a
cycle. After 1 hour max temp.rises:
Main transf iron core dT= 46K
T1 iron core dT = 40K
PCB dT = 38K
Heatsink channel 1 dT = 40K
No hazard.
8
Q13
(C – E)
(Channel 1)
sc 198
20
min.
Sec F1
Sec F2
Sec F2
channel 1
<8.4
>8.4
>8.4
Power in 1 min. I
in
=5A, P
in
= 819W
F1/F2 Amp. Ch.1 =10 and after
1 min. F2 opened. U
1 min. F2 opened. U
out
channel
1
=
0V. After 20 min. max temp. rises:
Main transf iron core dT= 19K
T1 iron core dT = 6K
Heatsink DBR1 channel 1 dT=24K
No hazard.
Main transf iron core dT= 19K
T1 iron core dT = 6K
Heatsink DBR1 channel 1 dT=24K
No hazard.
9
Q18
(C – E)
(Channel 1)
sc 198 1h
10 min.
Sec F1
Sec F2
Sec F2
channel 1
>8.4
<8.4
<8.4
I
in
=2.7A, P
in
= 380W.
U
out
channel
1
= 0V, F1 in channel
1 opened immediately. After 1h 10
min. max temp. rises:
Main transf iron core dT= 46K
T1 iron core dT = 26K
PCB under R51-R53 channel 1 dT
= 104K, Q18 channel 1 dT= 27K
No hazard.
min. max temp. rises:
Main transf iron core dT= 46K
T1 iron core dT = 26K
PCB under R51-R53 channel 1 dT
= 104K, Q18 channel 1 dT= 27K
No hazard.
10
C14
(Channel 1)
sc
198 / 254.4
1h
Sec F1/F2
channel 1
0/0
Ch.1, R32
opened immediately and
secondary components damage.
No high temp. in channel 1 amp.
No hazard.
No high temp. in channel 1 amp.
No hazard.
11
D1
(+ - −)
sc
198 / 254.4
-
-
-
Fan PCB Fuse F1 opened
immediately. When fans not
operate, circuit protection for amp.
channel shut down.
No high temperature.
No remarks.
immediately. When fans not
operate, circuit protection for amp.
channel shut down.
No high temperature.
No remarks.
No hazard.
12
C1
sc
198 / 254.4
-
-
-
Fan PCB Fuse F1 opened
immediately. No hazard.
immediately. No hazard.
page 28 of 37
Ref.No.:503878
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
14
TABLE: list of critical components and materials
P
Object/part No.
Manufacturer/
trademark
Type/model
Technical data
Standard
Mark(s) of
conformity
Main
Transformer (R)
Transformer (R)
Amplifier
Technologies
56-0271
240V, 50Hz
IEC 60065
Tested in the
appliance
Thermal cut-out
(in main transf.)
(in main transf.)
PEPI Type
J 130°C
IEC
60730-1
Accepted in the
appliance
Plastic part
inside main
transformer
inside main
transformer
MDE Nylon
N6050L,
N6050HSL
94V-2 Complies
with
FH3-40mm/min
(IEC 60707:81)
Accepted in the
appliance
Standby
Transformer T1
Transformer T1
MCI Transformer
Corp.
4-44-3024
115/230V
IEC 60065
Tested in the
appliance
Bobbin Standby
Transformer T1
Transformer T1
E.I. Dupont De
Nemours Co.
FR-530 0.8
mm
Complies
with
FH3-40mm/min
(IEC 60707:81)
Accepted in the
appliance
Alt. Standby
Transformer T1
Transformer T1
Tamura PL2.5-24-130B
115/230V,
50/60Hz
IEC 60065
Tested in the
appliance
Bobbin in
Alt. Standby
Transformer T1
Alt. Standby
Transformer T1
E.I. Dupont De
Nemours Co.
FR-530 0.8
mm
Complies
with
FH3-40mm/min
(IEC 60707:81)
Accepted in the
appliance
AC board PCB
Amplifier
Technologies Inc
17-JBL-AV7-6 V-0
Complies with
FV-1
(IEC 60707:81)
Accepted in the
appliance
AC Line Inductor
Elytone
YT-15629 ELY
-
IEC 60065
Tested in the
appliance
Inductor bobbin
EI Dupont De
Nemours
70G33L 94HB
Complies
with
FH3-40mm/min
(IEC 60707:81)
Accepted in the
appliance
Inductor board
PCB
PCB
Jiangsu Suang
Electronics Co.,
Ltd.
SH-.
V-0
(E154554)
Complies with
FV-1
(IEC 60707:81)
Accepted in the
appliance
Thermal cut-out,
on amplifier board
on amplifier board
(SELCO)
Uchiya
UP72 75°C
IEC
60065
sub.cl. 14.5.1.1b)
Tested in the
appliance
Mains fuse (in
appliance inlet)
appliance inlet)
Wickmann
Group
195
T4AL, 250V
IEC 60127
Prim. Fuse F1
(AC PCB)
(AC PCB)
Wickmann
Group
195
T160mAL, 250V
IEC 60127
Sec. Fuse F1/F2
(on amp. PCB)
(on amp. PCB)
Wickmann
Group
195 T6.3AL,
250V
IEC
60065
Capacitor C7
(across K1, K2)
(across K1, K2)
Murata KH
X1,
0.01µF,
250V
IEC 60384-14
2-edition
Appliance inlet
Schurter AG
KEC…
10A 250V
IEC 60320
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