DOWNLOAD JBL SB 300 (serv.man6) Service Manual ↓ Size: 1.51 MB | Pages: 97 in PDF or view online for FREE

 

 

 

 
 

5.4.2 TEST INSTRUMENTS 

 

 

Item  Kind of Equipment 

Manufacturer 

Type No. 

Serial No. 

Calibrated until 

1 Signal 

generator

IFR 

2025  202308/248  May. 27, 2011 

2 Signal 

generator

IFR 

2023A  202307/637  May. 26, 2011 

3 Audio 

Test 

System  Audio 

precision 

ATS-1ACCE

SS 

ATS1-45376 

May. 26, 2011 

4 

 Analog 

Oscilloscope 

GW Instek 

Gos-620 

EG923740 

May. 27, 2011 

5 RF 

Slector 

Toyo 

NS8900 0604-007 

N/A 

6 Filter 

unit 

Toyo 

NS8900 

0702-008 

N/A 

7 

Power Amplifier   

SCHAFFNER 

CBA9425 

T436SI 

May. 27, 2011 

8 

Multi system 

analog TV 

modulator 

EIDEN 3116A-001

HD113540 

May. 04, 2011 

9 

MULTI SYSTEM 

DIGITAL SIGNAL 

GENERATOR 

EIDEN 3513B-221

HJ115045 

Dec. 02, 2011 

10 Digital 

Multimeter 

ADVANTEST 

ADCE7351A/

E 

662700987 

Jun. 08, 2011 

11 

Millivolt  Meter 

R&S 

URV55 

100447 

May. 27, 2011 

12 Level 

Meter 

R&S 

URV35  100241  May. 27, 2011 

13 

EMI TEST 

RECEIVER 

RS 

ESCS30 

8333641017 

May. 26, 2011 

14 Absorbing 

Clamp 

R&S 

MDS-21  841077/011 

Jul. 03, 2011 

15 

Coupling Set 

Erika Fiedler 

RCo,RCi,MC

,AC,LC 

N/A 

May. 26, 2011 

16 

Filters 

Erika Fiedler 

Sr,LBS 

N/A 

May. 26, 2011 

17  Matching Network 

Erika Fiedler 

MN,T1 

N/A 

May. 26, 2011 

 

Remark: ” N/A” denotes No Model Name / Serial No. and No Calibration specified. 
  All equipment upon which need to calibrated are with calibration period of 2 years. 

 

5.4.3 TEST PROCEDURE 

The test requirement was in accordance with EN 55020: 2007, item 5.7. 
 
5.4.4 DEVIATION FROM TEST STANDARD 

No deviation   

 

 

 

 

 
 
 

5.4.5 TEST SETUP 

 
5.4.6 TEST RESULTS (Refer to ATTACHMENT A) 
The actual test results are contained in the ATTACHMENT A – Measurement Data (Item 8) of this 
test report. 

 

 

 

 

 
 
 

5.5 IMMUNITY AGAINST RFI RADIATED RFI (S3) 

 

5.5.1 TEST LIMIT 

 

 

Limits of immunity to ambient electromagnetic fields of television receivers operating in the 

reception function 

Frequency 

MHz 

Level 

dB (uV/m) 

  0.15  to  47 

125 

Except frequency bands 

 

(f

c

-1.5) to (f

c

+1.5) 101 

(f

s

 – 0.5)  to  (f

s

+1.5) 101 

(f

i 

– 2)  to  (f

v

 + 2)

a

 101 

(f

v

-2) to  

(f

i 

+2)

b

 101 

 

47 to 150

c

 109

d

 

Except the tuned channel ± 0.5 

 

 

47 to 87 

109 

87 to 108 

125 

108 to 144 

109 

144 to 150 

125 

Except the tuned channel ± 0.5 

 

f

i

 is the sound intermediate frequency 

f

v

 is the vision intermediate frequency 

f

s

 is the intercarrier sound frequency 

Note: 

f

c

 is the color subcarrier frequency 

a 

for systems B, D, G, K, I, L, M 

b 

Only for system L. 

c 

The frequency 47 MHz can be varied on a national basis depending on the use of this 

frequency range 

d 

For television receivers with reception function in this frequency range. For television 

receivers without reception function in this frequency range a level of 125dB (uV/m) shall 

apply. 

 
 

 

 

5.5.2 TEST INSTRUMENTS 

 

Same as item 5.4.2 

 
5.5.3 TEST PROCEDURE 

The test requirement was in accordance with EN 55020: 2007, item 5.8. 
 
5.5.4 DEVIATION FROM TEST STANDARD 

No deviation   
 

 
 
 
 
 
 

 

 

 

 
 

5.5.5 TEST SETUP 

 
5.5.6 TEST RESULTS (Refer to ATTACHMENT A) 
The actual test results are contained in the ATTACHMENT A – Measurement Data (Item 8) of this 
test report.