DOWNLOAD Harman Kardon AVR 171 (serv.man5) Service Manual ↓ Size: 6.35 MB | Pages: 108 in PDF or view online for FREE

Model
AVR 171 (serv.man5)
Pages
108
Size
6.35 MB
Type
PDF
Document
EMC - CB Certificate
Brand
Device
Audio
File
avr-171-sm5.pdf
Date

Harman Kardon AVR 171 (serv.man5) EMC - CB Certificate ▷ View online

Page 33 of 52 
Report No.: 232174
 
TRF No. IEC60065K 
 
1 kHz input signal with 1/8 of maximum non-clipped output mode with loaded 5V/2.1 A through USB terminal 
(Measured at “LOW mode” of the transformer output, TF93 - see summary of testing for details);  
Cond. 
Un (V) 
Hz 
In (A) 
Pn (W) 
Uout (V) 
Pout (W) 
15 198  50  1.40 
157.0 
F) 4.42 x 2 ch 
SB) 4.35 x 2 ch 
S) 4.47 x 2 ch 
C) 4.44 x 1 ch 
F) 3.25 x 2 ch 
SB) 3.16 x 2 ch 
S) 3.33 x 2 ch 
C) 3.28 x 1 ch 
16 220  50  1.28 
156.8 
17 240  50  1.17 
156.8 
18 264  50  1.05 
156.8 
19 198  60  1.38 
156.6 
20 220  60  1.27 
156.4 
21 240  60  1.17 
156.4 
22 264  60  1.04 
156.3 
 Loudspeaker 
impedance 
(Ω) : 
6 Ohms 
— 
 Several 
loudspeaker 
systems: 
Right and Left for Front, 
Right and Left for Surround Back, 
Right and Left for Surround 
Only one for Center. 
 
Marking of loudspeaker terminals: 
SPEAKERS (6Ω ~ 8Ω) 
 
 
Page 34 of 52 
Report No.: 232174
 
TRF No. IEC60065K 
 
7.1 
TABLE: temperature rise measurements:  
Temperature Rise dT of Part 
dT (K) 
Limit max  
dT (K) 
*) 
Test Condition No. 
No 15 
No 18 
No 19 
No 22 
Line filter, LF92 coil 
26.4  
24.3  
26.4  
23.1  
60 **) 
Line filter, LF91 coil 
23.6  
22.5  
23.5  
21.5  
60 **) 
Line filter, LF93 coil 
25.6  
24.3  
25.9  
23.4  
60 **) 
PWB near DB91 
26.0  
24.9  
25.6  
24.2  
70 
Diode, DB91 body 
35.4  
31.3  
35.3  
30.4  
PWB near Q901 
29.5  
30.3  
29.2  
29.5  
70 
FET, Q901 body 
25.7  
26.2  
25.2  
25.6  
Q901 heat-sink 
25.1  
25.5  
24.8  
24.8  
Capacitor, C930 body 
23.3  
22.7  
23.0  
22.0  
105 °C 
AC connector, CN90 body 
24.5  
24.3  
24.4  
23.4  
Transformer, TF93 coil 
44.7  
45.7  
45.2  
45.3  
85  **) 
Transformer, TF93 core 
39.0  
39.6  
39.7  
39.1  
95 
Transformer, TF92 coil 
46.5  
48.3  
47.2  
47.1  
85  **) 
Transformer, TF92 core 
33.9  
35.2  
34.5  
34.1  
95 
Transformer, TF91 coil 
33.0  
33.7  
33.0  
33.0  
85  **) 
Transformer, TF91 core 
24.4  
24.9  
24.5  
24.3  
95 
PWB near IC1400 
44.1  
44.4  
44.6  
43.7  
70 
PWB near D952 
48.0  
48.8  
48.7  
48.0  
70 
Capacitor, C936 body 
27.7  
27.8  
26.9  
27.3  
105 °C 
IC97 heat-sink 
34.1  
34.0  
33.5  
33.9  
Capacitor, C915 body 
21.1  
21.2  
20.4  
20.6  
85 °C 
PWB near Q657 
35.1  
35.0  
34.4  
34.6  
70 
FET, Q657 body 
39.7  
39.6  
39.2  
39.1  
Mains heat-sink 
38.9  
38.6  
37.8  
38.2  
Appliance inlet body 
10.2  
10.3  
9.6  
9.9  
60 
Standby button surface 
2.7  
2.6  
2.1  
2.2  
50 
Front cover 
4.6  
4.5  
4.0  
4.3 
50 
Top enclosure above TF93 (metallic) 
5.9  
5.4  
5.3  
5.5  
40 
Top enclosure above Main heat-sink 
(metallic) 
14.2  
14.3  
14.0  
14.4  
40 
FAN body (back cover inside) 
20.1  
20.2  
19.5  
19.7  
FAN body (center of main heat-sink)  
18.6  
18.3  
17.4  
18.1  
Ambient 
24.9 °C 
26.0 °C 
19.0 °C 
25.4 °C 
 
 
 
 
 
 
*) Temperature rise limits for tropical climate is 10K less. 
**) Minus (-) 10 K applied for thermo-couple method for windings. 
Test wall condition: 30 cm top and other sides. 
 
Page 35 of 52 
Report No.: 232174
 
TRF No. IEC60065K 
 
7.2 
TABLE: softening temperature of thermoplastics 
Temperature T of part 
T - normal con-
ditions (
o
C) 
T - fault condi-
tions (
o
C) 
Min T softening 
(
o
C) 
AC Connector (wafer), CN90 
24.5 (49.4 
o
C) 
(I/P=198V, 50Hz 
ambient 24.9
 o
C)
30.6 (54.6 
o
C) 
(I/P=264V, 50Hz 
ambient 24.0
 o
C) 
> 200
 o
(type, YW396 
series) 
 
 
 
 
 
10.3 
TABLE: insulation resistance measurements 
Insulation resistance R between: 
R (MΩ) 
Required R (MΩ) 
Between mains poles (primary fuse disconnected) 
(as received and after humidity/surge test) 
Min 2.6 
Min 2 
Between parts separated by double or reinforced insulation 
(as received and after humidity/surge test) 
Min 5.2 
Min 4 
 
 
 
 
10.3 
TABLE: electric strength measurements 
Test voltage applied between: 
Test voltage (V) 
Breakdown 
Mains poles (primary fuse disconnected)  
(as received and after humidity/surge/fault condition tests) 
1500 Vac 
No 
Between parts separated by double or reinforced insulation 
(as received and after humidity/surge/fault condition tests) 
3000 Vac 
No 
 
 
 
 
 
Page 36 of 52 
Report No.: 232174
 
TRF No. IEC60065K 
 
11.2 
TABLE: summary of fault condition tests 
 
Voltage (V) 0,9 or 1,1 times rated voltage  ............. :
198V or 264 V 
— 
 Frequency 
(Hz) ........................................................ :
50 Hz 
— 
 Ambient 
temperature 
(
o
C)  ....................................... :
23 
o
C - 28
o
— 
No. 
Component 
Fault 
Duration 
of the test
Other results 
(include description) 
dT (K) / Component 
dT (K) 
Permitted
dT(K) 
1.  
*), #) 
D933 
(A to C) 
SC 
10 min 
Unit shut down immediately. 
FI stabilised at 0.06 A. 
NCD.  No hazard. 
N/A N/A 
2.  
*), #) 
C933 
SC 
10 min 
Unit shut down immediately. 
FI stabilised at 0.06 A. 
NCD.  No hazard. 
N/A N/A 
3.  
*), #) 
IC97 
(pin 1 to 3) 
SC 
10 min 
Normal operated. 
The operating mode changed to 
LOW mode after 2 min. 
FI stabilised at 1.05 A. 
NCD.  No hazard.  
N/A N/A 
4.  
*), #) 
C932 
SC 
20 min 
All speaker output and FL display 
off immediately. 
FI stabilise at 0.48 A. 
NCD.  No hazard. 
N/A N/A 
5.  
*), #) 
D939 
(A to C) 
SC 
10 min 
Unit shut down immediately. 
FI stabilised at 0.06 A. 
NCD.  No hazard. 
N/A N/A 
6.  
*), #) 
C941 
SC 
10 min 
Unit shut down immediately. 
FI stabilised at 0.06 A. 
NCD.  No hazard. 
N/A N/A 
7.  
*), #) 
C943 
SC 
10 min 
Unit shut down immediately. 
FI stabilised at 0.06 A. 
NCD.  No hazard. 
N/A N/A 
8.  
*), #) 
D943 
(A to C) 
SC 
30 min 
Unit shut down immediately. 
FI changed between 0.05 A and  
0.07 A periodically. 
NCD.  No hazard. 
N/A N/A 
9.  
*), #) 
C949 
SC 
30 min 
Unit shut down immediately. 
FI changed between 0.05 A and  
0.07 A periodically. 
IC99 and D929 damaged. 
No hazard. 
N/A N/A 
*) Tested voltage 264V 
**) Tested voltage 198V 
Apparatus mode:  
#) HIGH mode 
##) LOW mode 
Note- SC: Short-circuit, NCD: No component damage, FI: Fault Input Current 
 
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