Read JBL CS680 (serv.man2) EMC - CB Certificate online
Page 25 of 47
Report Ref No.: 614380
IEC 60065
Clause
Requirement + Test
Result - Remark
Verdict
11.2 TABLE:
summary
of fault condition tests
P
Voltage (V) 0,9 or 1,1 times rated voltage ........ :
220-230
—
Frequency
(Hz)................................................... :
50-60
—
Ambient
temperature
(
o
C) ................................. : 25
—
No
Component
Fault
Temp Rise/
Component
Component
Other results
(include description and test duration)
(include description and test duration)
1 Apparatus
Pmax
65K/prim.winding
63K/sec.winding
56K/core
53K/PCB
42/heat sink on rear
panel
33K/rear metal encl.
Un=253V, Pn= 138W, In= 0.70A. max Uout= 22V
Test time= 4h.
No high temperatures, no remarks.
2
Q105
sc --
Un=198V. Mains fuse blew immediately.
No high temperatures, no remarks.
3 Q107 sc
--
Un=198V. Mains fuse blew immediately.
No high temperatures, no remarks.
4 C133 sc
--
Un=198V. Mains fuse blew immediately.
No high temperatures, no remarks.
5 C122 sc
--
Un=253V. Mains fuse blew immediately.
No high temperatures, no remarks.
6 C122 sc
--
Un=198V. Pn=450→260W, In=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
high temperatures, no remarks.
6 D115
( - +)
sc
--
Un=198V. Mains fuse blew immediately.
No high temperatures, no remarks.
7
D110
( - +)
sc --
Un=198V. Mains fuse blew immediately.
No high temperatures, no remarks.
8
C117
sc --
Un=198V. P
mains
decreased to 8W. Test
time:12min. No high temperatures, no remarks.
Winding temperature rise measurements
Ambient temperature t1 (
o
C) .............. 23
—
Ambient temperature t2 (
o
C) .............. 25
—
Click on the first or last page to see other CS680 (serv.man2) service manuals if exist.