JBL ON CALL (serv.man2) EMC - CB Certificate ▷ View online
Page 57 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.3 (cont.) TABLE: fault condition tests
P
ambient temperature (
°C) ....................................: 25
model/type of power supply .................................: See page 1
manufacturer of power supply .............................: See page 1
rated markings of power supply ..........................: See page 1
No.
component
No.
fault
test voltage
(V)
test time
fuse
No.
fuse current
(A)
result
9
D7 S 264 10
min.
F1 0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
10
C5 S 264 10
min.
F1 0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
11
U2 (pin 1-2)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
12
U2 Pin 1
O
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
13
U2 (pin 3-4)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
14
U2 Pin 4
O
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
15
T1 (A-B)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
16
T1 (A-B)
O/L
264
5.5 hr.
F1
0.255
Observation: Loaded to 3.7 A
then Unit shut down. No hazards.
Damage:
then Unit shut down. No hazards.
Damage:
Temp: 145.7
°C
Max. Voltage: 5.7 Vdc
17
T1 (pin 3-4)
S
264
10 min.
F1
0.08
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
Page 58 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.3 (cont.) TABLE: fault condition tests
P
ambient temperature (
°C) ....................................: 25
model/type of power supply .................................: See page 1
manufacturer of power supply .............................: See page 1
rated markings of power supply ..........................: See page 1
No.
component
No.
fault
test voltage
(V)
test time
fuse
No.
fuse current
(A)
result
18
Output
terminal
O/L 264 6.5
hr.
F1 0.257
Observation: Loaded to 3.7 A
then Unit shut down. No hazards.
Damage:
then Unit shut down. No hazards.
Damage:
Temp: 139
°C
Max. Voltage: 5.14 V
19
Output
terminal
S 264 10
min.
F1 0.04
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
Tested on model: MU15-C240010-C5
1
D1
S
264
< 1 s
F1
> 2.1
Observation: F1 opened
Damage:
Damage:
Temp:
Max. Voltage:
2
C1
S
264
< 1 s
F1
> 2.1
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
3
Q1 (D-S)
S
264
< 1 s
F1
> 2.1
Observation: F1 opened
Damage: R1, R8, Q1, U1
Temp:
Damage: R1, R8, Q1, U1
Temp:
Max. Voltage:
4
Q1 (D-G)
S
264
< 1 s
F1
> 2.1
Observation: F1 opened
Damage: R8, Q1, U1
Temp:
Damage: R8, Q1, U1
Temp:
Max. Voltage:
5
U1 (pin 2-5)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
6
U1 (pin 4-5)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
7
U1 (pin 2-3)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
Page 59 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.3 (cont.) TABLE: fault condition tests
P
ambient temperature (
°C) ....................................: 25
model/type of power supply .................................: See page 1
manufacturer of power supply .............................: See page 1
rated markings of power supply ..........................: See page 1
No.
component
No.
fault
test voltage
(V)
test time
fuse
No.
fuse current
(A)
result
8
R1
S
264
1 s
F1
> 2.1
Observation: F1 opened
Damage: Q1, U1
Temp:
Damage: Q1, U1
Temp:
Max. Voltage:
9
D7 S 264 10
min.
F1 0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
10
C5 S 264 10
min.
F1 0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
11
U2 (pin 1-2)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
12
U2 Pin 1
O
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
13
U2 (pin 3-4)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
14
U2 Pin 4
O
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
15
T1 (A-B)
S
264
10 min.
F1
0.01
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
16
T1 (A-B)
O/L
264
4.5 hr.
F1
0.244
Observation: Loaded to 0.9 A
then Unit shut down. No hazards.
Damage:
then Unit shut down. No hazards.
Damage:
Temp: 151
°C
Max. Voltage: 23.5 Vdc
Page 60 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
17
T1 (pin 3-4)
S
264
10 min.
F1
0.08
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
18
Output
terminal
O/L 264 4.2
hr.
F1 0.253
Observation: Loaded to 1 A then
Unit shut down. No hazards.
Damage:
Unit shut down. No hazards.
Damage:
Temp: 161
°C
Max. Voltage: 5.14 Vdc
19
Output
terminal
S 264 10
min.
F1 0.04
Observation: Unit shut down. No
hazards.
Damage:
hazards.
Damage:
Temp:
Max. Voltage:
supplementary information
Note:
1) S: Short-circuited; O: Open-circuited; O/L: Overloaded; B: Blocked; L: Locked.
2) Observation: The observations during and after fault condition tests.
3) Damag: Which component (components) damaged during the fault condition test.
4) Temp: The maximum temperature of transformer (T1) winding.
5) Max. Voltage: The maximum accessible voltage of DC output terminal during the fault condition test.
Click on the first or last page to see other ON CALL (serv.man2) service manuals if exist.