JBL CS680 EMC - CB Certificate ▷ View online
page 21 of 34
Ref.No.:610604
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) ...................... : 0 W in 0FF-position
Operating conditions
243.8V, 1/8 of the max. non-clipping output power using the pink noise signal acc. to 4.1.6 .
Input signal connected to ’Line in L/R’ (See instructions in OM. Excerpt on page 3)
Un (V)
In (A)
Pn (W)
Pout (W)
198
0.38
50
19
243.8
0.4
60
20
Loudspeaker impedance (
Ω) ................................. : 4Ω
Several loudspeaker systems
-
Marking of loudspeaker terminals
High Level out/in
monitored point:
dT (K)
Permitted dT (K)
Iron core of mains transformer
43
—
Supply cords (Not under mechanical stress)
18
60 (50)
PCB (supporting heat sink)
37
—
Inside plastic cover
24
—
Heat sink, on rear panel
30
40 (30)
Rear panel, near control
30
40 (30)
Buttons (plastic)
16
50 (40)
Winding temperature rise measurements
Ambient
temperature t1 (ºC) .................................. : 21
Ambient temperature t2 (
°C) .................................. : 22
temperature rise dT of winding:
R
1
(
Ω)
R
2
(
Ω)
dT (K)
permitted
dT (K)
insulation
class
Transformer Primary winding
9.031
10.675
46
85(75)
E
Transformer Secondary winding (Yellow)
0.5599
0.6528
42
85(75)
E
Transformer Secondary winding (Red) 1.1043
1.283 41
85(75) E
Note: Permitted dT in parenthesis are for tropical climate (Singapore)
page 22 of 34
Ref.No.:610604
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
Operating conditions
253V (for UK) 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)
253
0.4
60
21
monitored point:
dT (K)
Permitted dT (K)
Supply cords (Not under mechanical stress)
24*
)
60
Wiring insulation touching D115
45*
)
60
Inside plastic cover
26*
)
—
Heat sink Q117
48*
)
—
Iron core of mains transformer
44*
)
—
PCB supported by R121/R122
44*
)
85
Heat sink, on rear panel
31
40
Rear panel, near control
31
40
Buttons (plastic)
17
50
Winding temperature rise measurements
Ambient
temperature t1 (ºC) .................................. : 21
Ambient temperature t2 (
°C) .................................. : 22
temperature rise dT of winding:
R
1
(
Ω)
R
2
(
Ω)
dT (K)
permitted
dT (K)
insulation
class
Transformer Primary winding
9.202
10.85
45*
)
85 E
Transformer Secondary winding (Yellow)
0.562
0.650
40*
)
85 E
Transformer Secondary winding (Red)
1.104
1.28
41*
)
85 E
Note:
*
)
values from tests on SUB100 Amplifier ref. No. 0141125
page 23 of 34
Ref.No.:610604
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
7.2
TABLE: softening temperature of thermoplastics
N/A
temperature T of part
T - normal
conditions (ºC)
T - fault
conditions (ºC)
T softening
(ºC)
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 24 of 34
Ref.No.:610604
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 ........... : 220-230
Ambient temperature (
°C) ...................................... : 22
Winding temperature rise measurements
Ambient
temperature t1 (ºC) .................................. : 22
Ambient
temperature t2 (ºC) .................................. : 22
No
.
Component
No.
Fault Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
1a
Max. non-
clipping
output
power
(pink noise)
— 243.8 4h Mains
fuse
0.6
1b
Max. non-
clipping
output
power
(pink noise)
— 253 4h
Mains
fuse
0.6
2 Q105 sc 198
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
3 Q107 sc 198
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
4 C133 sc 198
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
No remarks.
5a C122 sc 253
-- Mains
fuse
>2.6A
Mains fuse blew immediately.
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 link in the transformer
opened after 3.5 min. No remarks.
Printed conductors on the PCB
were interrupted. When the
conductors were bridged the
thermal link in the transformer
opened after 3.5 min. No remarks.
Click on the first or last page to see other CS680 service manuals if exist.