DOWNLOAD Harman Kardon DVD 39 (serv.man2) Service Manual ↓ Size: 2.72 MB | Pages: 61 in PDF or view online for FREE

Model
DVD 39 (serv.man2)
Pages
61
Size
2.72 MB
Type
PDF
Document
EMC - CB Certificate
Brand
Device
Audio
File
dvd-39-sm2.pdf
Date
PREV: Harman Kardon DVD 39 Service Manual

Harman Kardon DVD 39 (serv.man2) EMC - CB Certificate ▷ View online

 
 
- 
Page 33 of 42 -
 
 
 
 
 
 Report 
No. 
98390 
 
 
Monitored point: 
dT (K) at 
253V, 50Hz
dT (K) at  
198V, 50Hz
dT (K) at 
253V, 60Hz
dT (K) at   
198V, 60Hz 
Limit dT (K) 
*) 
LF91 coil 
20,5  
17,9  
20,3  
18,0  
60 **) 
LF92 coil 
22,0  
20,4  
22,0  
20,2  
60 **) 
PWB near D901 
26,7  
22,8  
26,6  
23,7  
70 
E-capacitor, C901 body 
24,9  
21,5  
24,7  
22,2  
70 
Spindle motor body 
13,2  
11,7  
13,4  
12,0  
- 
TF91 coil 
31,6  
27,5  
30,6  
28,6  
60 **) 
TF91 core 
30,1  
26,6  
29,8  
27,4  
70 
TF92 coil 
43,3  
38,7  
42,7  
39,5  
60 **) 
TF92 core 
39,1  
34,7  
38,4  
35,4  
70 
PWB near D936 
40,1  
36,7  
39,7  
37,4  
70 
IC21 heat-sink 
44,6  
42,7  
44,8  
43,4  
- 
PWB near IC21 
38,7  
36,8  
38,9  
37,6  
70 
Inlet body (Inside) 
15,8  
13,4  
15,8  
13,8  
50 
Top enclosure above TF92 
14,5  
12,8  
15,0  
13,0  
40 
Top enclosure above IC21 
13,4  
12,0  
14,2  
12,6  
40 
Standby button (Non-metallic) 
9,3  
8,2  
10,4  
8,8  
50 
Front panel (Non-metallic) 
4,3  
4,7  
7,4  
5,1  
50 
Ambient 
22,5 25,8 22,3 24,8 - 
 
 
 
 
 
 
*) Temperature rise limits for Singapore is 10K less. 
**) Minus 10K applied for thermo-couple method for windings 
 
 
- 
Page 34 of 42 -
 
 
 
 
 
 Report 
No. 
98390 
 
 
Monitored point: 
 
 
dT (K) at  
198V, 60Hz
dT (K) at  
242V, 60Hz 
Limit dT (K)
LF91 coil 
 
 
18,0  
20,7  
60 *) 
LF92 coil 
 
 
20,2  
22,4  
60 *) 
PWB near D901 
 
 
23,7  
27,0  
70 
E-capacitor, C901 body 
 
 
22,2  
25,3  
70 
Spindle motor body 
 
 
12,0  
14,0  
- 
TF91 coil 
 
 
28,6  
31,8  
60 *) 
TF91 core 
 
 
27,4  
30,7  
70 
TF92 coil 
 
 
39,5  
43,5  
60 *) 
TF92 core 
 
 
35,4  
39,3  
70 
PWB near D936 
 
 
37,4  
40,4  
70 
IC21 heat-sink 
 
 
43,4  
45,5  
- 
PWB near IC21 
 
 
37,6  
39,7  
70 
Inlet body (Inside) 
 
 
13,8  
16,3  
50 
Top enclosure above TF92 
 
 
13,0  
15,1  
40 
Top enclosure above IC21 
 
 
12,6  
14,3  
40 
Standby button (Non-metallic) 
 
 
8,8  
10,4  
50 
Front panel (Non-metallic) 
 
 
5,1  
6,2  
50 
Ambient 
  24,8 
22,9 
- 
 
 
 
 
 
 
*) Minus 10K applied for thermo-couple method for windings 
 
 
 
- 
Page 35 of 42 -
 
 
 
 
 
 Report 
No. 
98390 
 
 
7.2 
TABLE: softening temperature of thermoplastics 
N/A 
Temperature T of part 
T - normal con-
ditions (
o
C) 
T - fault condi-
tions (
o
C) 
T softening 
(
o
C) 
         
 
 
         
 
 
         
 
 
 
10.3 
TABLE: insulation resistance measurements 
P 
Insulation resistance R between: 
R (MΩ) 
Required R (MΩ) 
Between mains poles (primary fuse disconnected) 
> 100 
2 
Between parts separated by double or reinforced insulation
> 100 
4 
 
 
 
 
10.3 
TABLE: electric strength measurements 
P 
Test voltage applied between: 
Test voltage (V) 
Breakdown 
Mains poles (primary fuse disconnected) 
1500Vac No 
Between parts separated by double or reinforced insulation
3000Vac No 
 
 
 
 
 
- 
Page 36 of 42 -
 
 
 
 
 
 Report 
No. 
98390 
 
 
11.2 
TABLE: summary of fault condition tests 
         
P 
         
 
Voltage (V) 0,9 or 1,1 times rated voltage  ......... :
253V or 198V  
— 
         
 
Ambient temperature (
o
C)  ................................... :
23 - 26
 o
C 
— 
Monitored point: 
Under fault conditions specified below 
dT (K)
 
Limit dT (K)
#) 
*), D902 (A to C), S-c;  
F901 opened immediately. No hazard  
N/A N/A 
**), D904 (A to C), S-c;  
F901 opened immediately. No hazard  
N/A N/A 
*), C901, S-c;  
F901 opened immediately. No hazard.  
N/A N/A 
*), IC92 (pin5 to pin7), S-c;  
F901 opened immediately. IC92, Q901 and D909 damaged. No hazard. 
N/A N/A 
*), IC92 (pin5 to pin2), S-c;  
F901 opened immediately. D908 damaged. No hazard. 
N/A N/A 
*), IC91 (pin4 to pin6), S-c;  
F901 opened immediately. D906 damaged. No hazard. 
N/A N/A 
*), IC91 (pin4 to pin3), S-c;  
F901 opened immediately. IC91 and R914 damaged. No hazard. 
N/A N/A 
*), D940 (A to C), S-c;  
FL display and signal output off immediately. 
TF92 coil winding temperature stabilised. Input current stabilised at 0,064A. 
No component damaged. No hazard (Tested time: 1 hr 10 min). 
TF92 transf. 
30,3 
TF92 transf.
90 ***) 
*), C961, S-c; 
Signal output off immediately. Input current stabilised at 0,030A.  
No component damaged. No hazard (Tested time: 20 min). 
N/A N/A 
*), D939 (A to C), S-c;  
FL display and signal output off immediately. 
Input current stabilised at 0,029A. No component damaged.  
No hazard (Tested time: 20 min). 
N/A N/A 
*), C960, S-c;  
Signal output off immediately. Input current stabilised at 0,030A.  
No component damaged. No hazard (Tested time: 30 min). 
N/A N/A 
*), D936 (A to C), S-c;  
FL display and signal output off immediately. 
Input current stabilised at 0,029A. No component damaged.  
No hazard (Tested time: 40 min). 
N/A N/A 
*) Tested voltage 253V               **) Tested voltage 198V 
***) Minus 10K applied for thermo-couple method for windings
 
#) Temperature rise limits for Singapore is 10K less 
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection, O-I = Over Loaded 
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