JBL SCS 145 Sub EMC - CB Certificate ▷ View online
page 21 of 32
Ref.No.:407362
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
7.1
TABLE: temperature rise measurements
P
Power consumption in the OFF/Stand-by
Position of the functional switch (W) ..................... : -
Operating conditions
1/8 of the max. non-clipping output power using the pink noise signal acc. to 4.1.6 .
Un (V)
In (A)
Pn (W)
Pout (W)
254.4
0.40
72
31
Loudspeaker impedance (
Ω) ................................ : 3.4Ω (measured)
Several loudspeaker systems
Marking of loudspeaker terminals
(High Level out/in)
monitored point:
dT (K)
Permitted dT (K)
* indicates for
tropical climates.
Iron core of mains transformer
43
—
Supply cords (Not under mechanical stress)
20
60/50*
PCB
26
85/75*
Inside top of internal plastic cover
17
—
Heat sink, on rear panel
24
40/30*
Rear panel, above heat sink
25
40/30*
Volume control (plastic)
19
50/40*
Top of cabinet
8
60/50*
Winding temperature rise measurements
Ambient temperature t1 (ºC) ................................. : 20
Ambient temperature t2 (
°C) ................................. : 21
temperature rise dT of winding:
R
1
(
Ω)
R
2
(
Ω)
dT (K)
permitted
dT (K)
insulation
class
Transformer Primary vinding
8.885
10.565
47
85/75*
E
Transformer Secondary winding (Yellow)
0.5635
0.6646
45
85/75*
E
Transformer Secondary winding (Red)
1.0953
1.2960
46
85/75*
E
* indicates permitted temperature rise for tropical climates.
page 22 of 32
Ref.No.:407362
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)
Prim. Fuse holder
<150
<150
202
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
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
page 23 of 32
Ref.No.:407362
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 .......... : 220-240
Ambient temperature (
°C) ..................................... : 21
Winding temperature rise measurements
Ambient temperature t1 (ºC) ................................. : 20
Ambient temperature t2 (ºC) ................................. : 21
No
.
Component
No.
Fault Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
1 Max.
non-
clipping
output
power
(Pink noise)
— 254.4 4h Mains
fuse
0.6
Pn = 110W. Uout=15.5V (limited
by the amplifier)
Measured temp.rises:
Mains transformer:
Prim. winding = 56K
Sec. windings = 56K
PCB = 26K
Rear panel (metal) = 26K
Heat sink (on rear side) = 24K
by the amplifier)
Measured temp.rises:
Mains transformer:
Prim. winding = 56K
Sec. windings = 56K
PCB = 26K
Rear panel (metal) = 26K
Heat sink (on rear side) = 24K
No remarks.
2 Q105 sc 198
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
No remarks.
3 Q107 sc 198
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
No remarks.
4 C133 sc 198
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
No remarks.
5a C122 sc 254.4
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
No remarks.
5b C122 sc 198
-- Mains
fuse
≤2.3A
Pin=450→260W, Iin=2.3→1.5A
Printed conductors on the PCB
were interrupted. When the
conductors were bridged the
thermal fuse in the transformer
opened after 3.5 min.No remarks.
Printed conductors on the PCB
were interrupted. When the
conductors were bridged the
thermal fuse in the transformer
opened after 3.5 min.No remarks.
6 D115
( - +)
sc 198 --
Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
No remarks.
7 D110
( - +)
sc 198 --
Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
No remarks.
8 C117 sc 198
--
--
-- P
mains
decreased to 8W.
No hazard.
page 24 of 32
Ref.No.:407362
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
Mains
Transformer
Transtec
TT0869803320 AC 230V, 50Hz
IEC 60065
—
Bobbins
Transformer
Transformer
EI Dupont de
Nemours
Nemours
Nylon 66
101, 101F
101, 101F
94V-2 Complies
with
FH 3-40mm/min
IEC 60707:81
—
Thermal release Joint Force
M33
2A, 250V,
130
°C
IEC 60691
TÜV
Mains Fuse
Walter
TSD
T1.25AL 250V
IEC 60127
10A 250V
IEC 60065
—
Mains
fuse holder
Chin Shin
(Walter)
(Walter)
R3-11
Min. FV 1
IEC 60707
—
IEC 61058-1
Mains switch
Rong Feng Ind.
Co., Ltd
RF-1003 10(4)
8/80A,
250V Class II
IEC60065:98
Annex G
NEMKO
Sec. connector
P103
JWT
A3963Wv2-5P
Min. FV 1
IEC 60707
—
PCB Hsiang
Kou
07VO 94V-0
Complies with FV1
IEC 60707:81
—
cover
Formosa
Chemicals &
Fibre Corp
Chemicals &
Fibre Corp
ANC100 94V-0
Complies with
FH 3-40mm/min
IEC 60707:81
—
Cord set:
plug
I Sheng
SP-021A
2.5A 250V
CEE 7
cord
H03VVH2-F
2 x 0.75mm²
IEC 60227
Cord set UK:
Plug with fuse
Luen Tai
Electric
9518
13A 250V
BS 1363
BSI
cord Rhythm
Wire
Ind. Co., Ltd.
H03VVH2-F
2 x 0.75mm²
IEC 60227
KEMA
Cord set Korea:
plug
Volex
MP2217
3A 250V
KS C8305
cord
VCTFK
2 x 0.75mm²
KS C3304
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