DOWNLOAD Harman Kardon AVR 265 Service Manual ↓ Size: 3.34 MB | Pages: 84 in PDF or view online for FREE

Model
AVR 265
Pages
84
Size
3.34 MB
Type
PDF
Document
EMC - CB Certificate
Brand
Device
Audio
File
avr-265.pdf
Date
PREV: Harman Kardon AVR 260 (serv.man3) EMC - CB Certificate

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Page 37 of 45
 
Report No.: 163977
 
TRF No. IEC60065J 
11.2 
TABLE: summary of fault condition tests 
P 
 
Voltage (V) 0,9 or 1,1 times rated voltage  ............. :
198V or 264V 
— 
 Ambient 
temperature 
(
o
C)  ...................................... :
22 
o
C - 27 
o
C 
— 
Monitored point: 
Under fault conditions specified below 
dT (K) 
Permitted 
dT (K) 
1. *), ***), D114 (A to C), SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.008A. R104 opened. No hazard. 
N/A N/A 
2. **), ****), D117 (A to C), SC, 10 min; 
Normal operated. FI stabilised at 1.25A. R105 opened. No hazard. 
N/A N/A 
3. *), ***), D991 (AC to +), SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.010A. No hazard. 
N/A N/A 
4. **), ****), D991 (AC to -), SC, 10 min; 
F901 opened immediately. FI stabilised at 0.008A. No hazard. 
N/A N/A 
5. *), ***), D701 (AC to +), SC, 30 min;  
Signal output off immediately. FI stabilised at 0.59A. F110 opened. 
No hazard. 
N/A N/A 
6. **), ****), D701 (AC to -), SC, 10 min;  
Normal operated. FI stabilised at 1.25A. F110 opened. No hazard. 
N/A N/A 
7. *), ****), C129, SC, 10 min;  
Signal and USB output and FL display off immediately. FI stabilised at 0.45A. 
F110 and F111 opened. No hazard. 
N/A N/A 
8. *), ****), C929, SC, 30 min;  
Unit shut down after 26 min. FI stabilised at 0.009A. 
R104 and R107 damaged. No hazard. 
N/A N/A 
9. *), ***), C916, SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.009A. NCD. No hazard. 
N/A N/A 
10. **), ****), C915, SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.008A. NCD. No hazard. 
N/A N/A 
11. **), ****), Q805 (C to E), SC, 10 min; 
Unit shut down immediately, FI stabilised at 0.007A. R811 damaged. 
No hazard. 
N/A N/A 
12. *), ***), Q805 (B to C), SC, 10 min;  
Unit shut down immediately. FI stabilised at 0.009A. NCD. No hazard. 
N/A N/A 
13. **), ****), Q807 (C to E), SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.007A. Q805 and R811 damaged.
No hazard. 
N/A N/A 
*)  Tested voltage 264V                
**)  Tested voltage 198V 
Tested at,         ***) HIGH mode,        ****) LOW mode     of the main transformer S1A or S1B output. 
Note- SC: Short-circuit, NCD: No component damage, FI: Fault Input Current 
 
Page 38 of 45
 
Report No.: 163977
 
TRF No. IEC60065J 
Monitored point: 
Under fault conditions specified below- continued 
dT (K) 
Permitted 
dT (K) 
14. *), ***), Q807 (B to C), SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.009A. Q851 damaged. 
No hazard. 
N/A N/A 
15. *), ****), C809, SC, 20 min; 
Normal operated. FI stabilised at 1.31A. 
R823 and R819 damaged. No hazard. 
N/A N/A 
16. *), ****), D901 (A to C), SC, 1 hr 24 min; 
Normal operated. FI stabilised at 1.35A. 
Sub transformer primary winding heated up to 106.8K and stabilised. 
Dielectric strength test O.K. No hazard. 
Sub transf. 
106.8 
Sub transf.
150 
17. *), ****), C906, SC, 1 hr; 
Unit shut down immediately. FI stabilised at 0.020A. 
Sub transformer primary winding heated up to 113.9K and stabilised. 
Dielectric strength test O.K. No hazard. 
Sub transf. 
113.9 
Sub transf.
150 
18. *), ****), Speaker output (Center- ch.), SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.009A. NCD. No hazard. 
N/A N/A 
19. *), ****), USB output, SC, 10 min; 
USB output off immediately. FI stabilised at 1.29A. NCD. No hazard. 
N/A N/A 
20.*), ****), Pmax operated (Maximum non-clipped output signal); 
 
1st.) 
Main transformer primary winding heated up to 153.5K and thermal fuse  
opened after 18 min. FI stabilised at 0.008A. Dielectric strength test O.K.  
No hazard. 
 
2nd.) 
Main transformer primary winding heated up to 155.2K and thermal fuse  
opened after 22 min. FI stabilised at 0.008A. Dielectric strength test O.K.  
No hazard. 
 
3rd.) 
Main transformer primary winding heated up to 158.4K and thermal fuse  
opened after 27 min. FI stabilised at 0.008A. Dielectric strength test O.K.  
No hazard. 
 
 
Main transf. 
See note #) 
 
 
 
Main transf. 
See note #) 
 
 
 
Main transf. 
See note #) 
 
 
Main transf.
150 
 
 
 
Main transf.
150 
 
 
 
Main transf.
150 
*)  Tested voltage 264V                
**)  Tested voltage 198V 
Tested at,         ***) HIGH mode,        ****) LOW        mode of the main transformer S1A or S1B output. 
#) The temperature rise of the sub transformer was measured to >150K (exceeding allowable limit), but 
transformer passed the testes described in sub clause 11.2.5 (tests repeated three times). 
Note- SC: Short-circuit, NCD: No component damage, FI: Fault Input Current 
 
 
Page 39 of 45
 
Report No.: 163977
 
TRF No. IEC60065J 
Monitored point: 
Under fault conditions specified below- continued 
dT (K) 
Permitted 
dT (K) 
21. *), ****), Cover opening, Blocked, 4 hr;  
Normal operated. FI stabilised at 1.31A. NCD. Dielectric strength test O.K.  
No hazard. 
See # in the next page  
for measured highest  
temperature. 
22. *), ****), Fan stalled (installed in back cover), 5 hr;  
Normal operated. FI stabilised at 1.31A. NCD, Dielectric strength test O.K.  
No hazard. 
See ## in the next page for 
measured temperature. 
23. *), ****), Fan stalled (installed in main heat-sink), 5 hr; 
Normal operated. FI stabilised at 1.31A. NCD, Dielectric strength test O.K.  
No hazard. 
See ### in the next page
for measured temperature.
 
 
*)  Tested voltage 264V                
**)  Tested voltage 198V 
Tested at,         ***) HIGH mode,        ****) LOW mode        of the main transformer S1A or S1B output. 
Note- SC: Short-circuit, NCD: No component damage, FI: Fault Input Current 
 
 
 
 
Page 40 of 45
 
Report No.: 163977
 
TRF No. IEC60065J 
11.2 
TABLE: temperature rise measurements 
P 
Monitored point: 
#) 
dT (K) at  
264V/50Hz 
##) 
dT (K) at  
264V/50Hz 
###) 
dT (K) at  
264V/50Hz 
Permitted  
dT (K) 
Main transformer core 
65.9 67.8 62.1 150 
Sub transformer core 
41.4 
28.7 
20.8 
150 
PWB near D991 
57.3 
63.4 
59.7 
110 
PWB near D701 
42.6 41.1 35.2 110 
PWB near Q803 
56.7 
52.6 
52.6 
110 
PWB near IC84 
52.3 
47.9 
56.1 
110 
CN91 AC connector 
34.6 
23.1 
18.1 
- 
CN92 AC connector 
40.8 
25.0 
21.0 
- 
Appliance inlet 
22.9 
14.8 
13.2 
65 
Front panel (non-metallic) 
18.4 
14.7 
14.1 
65 
Front panel (metallic) 
13.0 
10.4 
6.5 
65 
Stand-by button (non-metallic) 
9.5 
8.1 
5.4 
65 
Mains switch (rear side) 
21.6 
14.0 
12.0 
65 
Top cover above main transformer (metallic) 36.4 
31.8 
22.8 
65 
Top cover above main heat-sink (metallic) 
41.7 
32.7 
39.1 
65 
Ambient 22.6°C 
23.4°C 
24.5°C 
- 
 
 
 
 
 
 
 
Winding temperature rise  
measurements 
#) 
264V 
50Hz 
##) 
264V 
50Hz 
###) 
264V 
60Hz 
 
 
Ambient temperature t1 (
o
C) : 
23.1 23.1  23.1 
 
 
Ambient temperature t2 (
o
C) : 
22.3 23.4  24.5 
 
Temperature rise dT of winding: 
R
1
 (Ω) 
R
2
 (Ω) 
dT (K) 
Permitted 
dT (K) 
Insulation 
class 
#) Main transf. primary winding (264V, 50Hz) 
3.75 5.04 89.1 150  B 
#) Sub transf. primary winding (264V, 50Hz) 
3658 4421 54.2  150 
E 
 
 
 
 
 
 
##) Main transf. primary winding (264V, 50Hz) 
3.75 5.08 91.1 150  B 
##) Sub transf. primary winding (264V, 50Hz) 
3658 4246 41.1  150 
E 
 
 
 
 
 
 
###) Main transf. primary winding (264V, 50Hz) 
3.75 5.01 85.2 150  B 
###) Sub transf. primary winding (264V, 50Hz) 
3658 4155 33.6  150 
E 
 
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