Read JBL ON STAGE III IIIP (serv.man2) EMC - CB Certificate online
<12014238 001 >
Page 44 of 77
TRF No.:IECEN60950_1B
TRF originator: SGS Fimko
2.10.2
Table: working voltage measurement
P
Location
RMS voltage (V)
Peak voltage (V) Comments
Model DSA-20R-12 FEU 150204
T1 pin 1-8
196
360
T1 pin 2-8
280
548
Highest working voltage
T1 pin 3-8
205
364
T1 pin 4-8
206
388
T1 pin 5-8
210
420
T1 pin 1-10
195
380
T1 pin 2-10
264
540
T1 pin 3-10
207
384
T1 pin 4-10
210
404
T1 pin 5-10
207
390
Note(s):
Test voltage:
240 V
Test frequency: 60 Hz
2.10.3 and
2.10.4
2.10.4
TABLE: clearance and creepage distance measurements
P
Clearance cl and creepage
distance dcr at/of:
distance dcr at/of:
Up
(V)
U r.m.s.
(V)
Required
cl (mm)
cl
(mm)
Required
dcr (mm)
dcr (mm)
dcr
(mm)
Unit:
primary components
(with 10N) → secondary
components (with 10N)
components (with 10N)
548
280
4.4
7.8
6.0
7.8
Unit:
primary components
(with 10N) → core of T1 (with
10N)
10N)
548
280
2.2
3.7
3.0
3.7
Unit:
core of T1 (with 10N) →
secondary components (with
10N)
10N)
548
280
2.2
3.7
3.0
3.7
PCB: primary → secondary
traces under transformer
traces under transformer
548
280
4.4
7.5
6.0
7.5
PCB: primary → secondary
traces under U2
traces under U2
548
280
4.4
6.9
6.0
6.9
Unit:
primary components →
accessible part (outside
enclosure)
enclosure)
548
280
4.4
6.5
6.0
6.5
L, N before fuse
420
250
1.5
3.1
2.5
3.1
Two pins of current fuse
420
250
1.5
2.9
2.5
2.9
Click on the first or last page to see other ON STAGE III IIIP (serv.man2) service manuals if exist.