DOWNLOAD Harman Kardon AVR 8500 (serv.man2) Service Manual ↓ Size: 2.25 MB | Pages: 55 in PDF or view online for FREE

Model
AVR 8500 (serv.man2)
Pages
55
Size
2.25 MB
Type
PDF
Document
EMC - CB Certificate
Brand
Device
Audio
File
avr-8500-sm2.pdf
Date
PREV: Harman Kardon AVR 8500 Service Tips

Harman Kardon AVR 8500 (serv.man2) EMC - CB Certificate ▷ View online

 
- 
IEC 60065, 6th edition : 1998
 - 
- Page 41 of 44 - 
 
 
   
 
Order No. 
200211174
 
 
 
 
 
FAULT CONDITION TESTS (continued)   
P 
Comp. 
No 
Fault 
Test V 
Position 
Test time  Fuse No 
Current 
through 
fuse 
Mains power/temperatures/results 
C720 
S-c 
207 
- 
30 min 
F452, 
F507, 
F508 
2,34 A 
Normal operating. 
Input current stabilised at 2,34 A. 
R786 damaged. 
No hazard.   
IC541 
S-c 
254,4 
In - Out 
30 min 
F452, 
F507, 
F508 
2,48 A 
Normal operating. 
Input current stabilised at 2,49 A. 
R791 damaged. 
No hazard.   
IC541 
S-c 
254,4 
In - G 
30 min 
F452, 
F507, 
F508 
2,54 A 
Normal operating. 
Input current stabilised at 2,43 A. 
R791 damaged. 
No hazard.   
C734 
S-c 
254,4 
- 
30 min 
F452, 
F507, 
F508 
2,49 A 
Normal operating. 
Input current stabilised at 2,49 A. 
No component damaged. 
No hazard.   
QR925 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
QR925 
S-c 
254,4 
B - C 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
CR917 
S-c 
254,4 
- 
30 min 
F452 
2,48 A 
Normal operating. 
Input current stabilised at 2,48 A. 
No component damaged. 
No hazard.   
QR918 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR936 damaged. 
Input current stabilised at 0,02A. 
No hazard.   
QR918 
S-c 
254,4 
B - C 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR936 opened. 
QR916, QR920 shorted. 
Input current stabilised at 0,02A. 
No hazard.   
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
 
 
- 
IEC 60065, 6th edition : 1998
 - 
- Page 42 of 44 - 
 
 
   
 
Order No. 
200211174
 
 
 
 
 
FAULT CONDITION TESTS (continued)   
P 
Comp. 
No 
Fault 
Test V 
Position 
Test time  Fuse No 
Current 
through 
fuse 
Mains power/temperatures/results 
QR915 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR929, RR936 damaged. 
QR920 shorted. 
Input current stabilised at 0,02A. 
No hazard.   
QR915 
S-c 
254,4 
B - E 
30 min 
F452 
2,46 A 
Normal operating. 
Input current stabilised at 2,46 A. 
No component damaged. 
No hazard.   
QR914 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR929 damaged. 
QR922, QR915 shorted. 
Input current stabilised at 0,02A. 
No hazard.   
QR914 
S-c 
254,4 
B - C 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
CR908 
S-c 
254,4 
- 
30 min 
F452 
2,65 A 
Front R channel signal output off. 
RR948 opened. 
Input current stabilised at 2,09A. 
No hazard.   
QR908 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
QR908 
S-c 
254,4 
B - E 
30 min 
F452 
2,48 A 
Normal operating. 
Input current stabilised at 2,48 A. 
No component damaged. 
No hazard.   
QR912 
S-c 
254,4 
B - C 
30 min 
F452 
2,48 A 
Normal operating. 
Input current stabilised at 2,48 A. 
No component damaged. 
No hazard.   
QR912 
S-c 
254,4 
C - E 
30 min 
F452 
2,45 A 
Normal operating. 
Input current stabilised at 2,45 A. 
No component damaged. 
No hazard.   
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
 
 
- 
IEC 60065, 6th edition : 1998
 - 
- Page 43 of 44 - 
 
 
   
 
Order No. 
200211174
 
 
 
 
 
FAULT CONDITION TESTS (continued)   
P 
Comp. 
No 
Fault 
Test V 
Position 
Test time  Fuse No 
Current 
through 
fuse 
Mains power/temperatures/results 
QR912 
S-c 
254,4 
B - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
QR923 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
QR915, QR916 shorted. 
RR929 opened. 
Input current stabilised at 0,02A. 
No hazard.   
QR923 
S-c 
254,4 
B - C 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR929 opened. 
QR915, QR916, QR917, QR918, 
QR921 shorted. 
Input current stabilised at 0,02A. 
No hazard.   
QR920 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR929, RR936 opened. 
QR915 shorted. 
Input current stabilised at 0,02A. 
No hazard.   
QR920 
S-c 
254,4 
B - E 
30 min 
F452 
2,46 A 
Normal operating. 
Input current stabilised at 2,46 A. 
No component damaged. 
No hazard.   
QR919 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
RR929 opened. 
QR915 shorted. 
Input current stabilised at 0,02A. 
No hazard.   
QR919 
S-c 
254,4 
B - C 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
CR911 
S-c 
254,4 
- 
30 min 
F452 
2,39 A 
Front R channel signal output off. 
RR949 opened. 
Input current stabilised at 2,05A. 
No hazard.   
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
 
 
- 
IEC 60065, 6th edition : 1998
 - 
- Page 44 of 44 - 
 
 
   
 
Order No. 
200211174
 
 
 
 
 
FAULT CONDITION TESTS (continued)   
P 
Comp. 
No 
Fault 
Test V 
Position 
Test time  Fuse No 
Current 
through 
fuse 
Mains power/temperatures/results 
QR911 
S-c 
254,4 
C - E 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
QR911 
S-c 
254,4 
B - E 
30 min 
F452 
2,46 A 
Normal operating. 
Input current stabilised at 2,46 A. 
No component damaged. 
No hazard.   
Speaker 
Terminal 
 
S-c 
254,4 
Front 
(R-ch.) 
1 sec 
F452 
- 
Protection circuit operated 
immediately (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
Pmax 
operat. 
Maximu
m non -
clipped 
output 
signal 
254,4 
- 
1 hr 
12 min 
F452 
5,21 A 
Main transformer primary winding 
heated up to 122K and thermal cut-
out operated after1 hr 12 min. 
Components are heated up to: 
- Main transf. chassis    
: 103K 
- Sub trans f. pr. winding    : 87K 
- Sub trans f. core   
: 64K 
- St
-by transf
. pr. winding   : 44K 
- St-by transf. core
 
 
: 53K 
- Line filter coil   
: 135K 
- D452 heat-sink   
: 103K 
- PWB near D452 
: 65K 
- Top cover on transf.   
: 49K.
 
Dielectric strength test OK.   
No hazard. 
Top cover 
opening 
Blocked 
254,4 
- 
31 min 
F452 
2,46 A 
Protection circuit operated after   
31 min. (
RLY452, RLY453
 off). 
Input current stabilised at 0,02A. 
No component damaged. 
No hazard.   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
 
 
Page of 55
Display

Click on the first or last page to see other AVR 8500 (serv.man2) service manuals if exist.

RANDOM: