DOWNLOAD Harman Kardon AVR 365 (serv.man2) Service Manual ↓ Size: 2.96 MB | Pages: 84 in PDF or view online for FREE

Model
AVR 365 (serv.man2)
Pages
84
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2.96 MB
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PDF
Document
EMC - CB Certificate
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Device
Audio
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avr-365-sm2.pdf
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PREV: Harman Kardon AVR 365 Service Manual

Harman Kardon AVR 365 (serv.man2) EMC - CB Certificate ▷ View online

 
Page 37 of 45
 
Report No.: 163976
 
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, 20 min; 
Normal operated. FI down at 1.56A after 5 min and stabilised. 
R104 opened. No hazard. 
N/A N/A 
2. **), ****), D117 (A to C), SC, 10 min;  
Signal output off immediately. FI stabilised at 0.55A, R104 and R107 opened. 
No hazard. 
N/A N/A 
3. *), ***), D991 (AC to +), SC, 10 min; 
F901 opened immediately. FI stabilised at 0.013A, 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, 20 min;  
Signal output off immediately. FI stabilised at 0.48A. F110 and F111 opened. 
No hazard. 
N/A N/A 
6. **), ****), D701 (AC to -), SC, 10 min;  
Normal operated. FI stabilised at 1.43A. F110 opened. No hazard. 
N/A N/A 
7. *), ****), C129, SC, 20 min;  
Signal and USB output and FL display off immediately. FI stabilised at 0.47A. 
F110 and F111 opened. No hazard. 
N/A N/A 
8. *), ****), C929, SC, 10 min;  
Signal output and FL display off immediately. FI stabilised at 0.98A. 
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.  
Q805, Q807, Q851, R811, R820 and R824 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 0.006A.  
Q805, R811 and R820 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.: 163976
 
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 0.006A. Q805 damaged.  
No hazard. 
N/A N/A 
15. *), ****), C809, SC, 20 min; 
SBR signal output voltage dropped to 2.48V. FI stabilised at 1.45A. 
R823 damaged. No hazard. 
N/A N/A 
16. *), ****), D901 (A to C), SC, 1 hr; 
Unit shut down after 45 min. FI stabilised at 0.021A. 
Sub transformer primary winding heated up to 105.8K and stabilised. 
Dielectric strength test O.K. No hazard. 
Sub transf. 
105.8 
Sub transf.
150 
17. *), ****), C906, SC, 1 hr; 
Unit shut down immediately. FI stabilised at 0.020A. 
Sub transformer primary winding heated up to 108.9K and stabilised. 
Dielectric strength test O.K. No hazard. 
Sub transf. 
108.9 
Sub transf.
150 
18. *), ****), Speaker output (Center- ch.), SC, 10 min; 
Unit shut down immediately. FI stabilised at 0.008A. NCD. No hazard. 
N/A N/A 
19. *), ****), USB output, SC, 10 min; 
USB output off immediately. FI stabilised at 1.55A. NCD. No hazard. 
N/A N/A 
20.*), ****), Pmax operated (Maximum non-clipped output signal); 
 
1st.) 
Main transformer primary winding heated up to 155.9K 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 153.4K and thermal fuse  
opened after 26 min. FI stabilised at 0.008A. Dielectric strength test O.K.  
No hazard. 
 
3rd.) 
Main transformer primary winding heated up to 156.0K and thermal fuse  
opened after 34 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.: 163976
 
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 1.56A. 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 1.56A. NCD, Dielectric strength test O.K.  
No hazard. 
See ## in the next page for 
measured temperature. 
23. *), ****), Fan stalled (installed in main heat-sink), 4 hr; 
Normal operated. FI stabilised at 1.56A. 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.: 163976
 
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/5Hz 
Permitted  
dT (K) 
Sub transformer core 
45.2 
30.9 
22.0 
150 
Main transformer core 
67.0 69.8 
61.4 150 
PWB near D991 
62.1 
71.0 
42.8 
110 
PWB near D701 
54.0 49.4 
47.2 110 
PWB near Q803 
60.1 
56.6 
56.9 
110 
PWB near IC84 
53.5 
49.6 
59.6 
110 
CN91 AC connector 
37.4 
25.3 
19.8 
- 
CN92 AC connector 
41.8 
28.7 
24.3 
- 
Appliance inlet 
44.3 
32.2 
16.1 
65 
Front panel (non-metallic) 
17.7 
14.5 
15.2 
65 
Front panel (metallic) 
13.5 
11.2 
8.4 
65 
Stand-by button (non-metallic) 
11.0 
8.9 
6.8 
65 
Mains switch (rear side) 
22.3 
15.6 
11.9 
65 
Top cover above main transformer (metallic) 
39.8 
34.6 
12.5 
65 
Top cover above main heat-sink (metallic) 
44.6 
35.7 
42.8 
65 
Ambient 23.6°C 
23.2°C 
23.4°C 
- 
 
 
 
 
 
*) Based on softening temperature test (see table 7.2). 
 
 
Winding temperature rise  
measurements 
#) 
264V 
50Hz 
##) 
264V 
50Hz 
###) 
264V 
60Hz 
 
 
Ambient temperature t1 (
o
C) : 
20.0 20.0  20.0 
 
 
Ambient temperature t2 (
o
C) : 
23.6 23.2  23.4 
 
Temperature rise dT of winding: 
R
1
 (Ω) 
R
2
 (Ω) 
dT (K) 
Permitted 
dT (K) 
Insulation 
class 
#) Main transf. primary winding (264V, 50Hz) 
2.471 3.38  90.0  150 
B 
#) Sub transf. primary winding (264V, 50Hz) 
3734 4601 55.5  150 
E 
 
 
 
 
 
 
##) Main transf. primary winding (264V, 50Hz) 
2.471 3.370  89.4  150 
B 
##) Sub transf. primary winding (264V, 50Hz) 
3734 4378 40.7  150 
E 
 
 
 
 
 
 
###) Main transf. primary winding (264V, 50Hz) 
2.471 3.37  89.2  150 
B 
###) Sub transf. primary winding (264V, 50Hz) 
3734 4243 31.2  150 
E 
 
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