AVR 240 (serv.man13) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 45

 

 

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Report No.  65654 

 
 

 

Comp. 
No. 

Location  Fault 

Test V 

Test  
time 

Fuse 
No. 

Current 
through 
fuse 

Temperature/Results 

D991 

AC - + 

S-c 

253 

10 min 

F907 
F903 
F904 

- Normal 

operating. 

Input current stabilised at 1,76A. 
F904 opened.  No hazard. 
(Repeated test three times with the 
same result) 

C902 -  S-c 207 10 

min 

F907 
F903 
F904 

- 

Front, Surr Back channels signal 
output off immediately. 
Input current stabilised at 0,85 A. 
F903, F904 opened. 
No hazard. 
(Repeated test three times with the 
same result) 

C902 -  S-c 253 10 

min 

F907 
F903 
F904 

- 

Front, Surr Back channels signal 
output off immediately. 
Input current stabilised at 0,89 A. 
F903, F904 opened. 
No hazard. 
(Repeated test three times with the 
same result) 

D992 

AC - + 

S-c 

207 

10 min 

F907 
F905 
F906 

- Normal 

operating. 

Input current stabilised at 1,70A. 
F906 opened. 
No hazard. 

D992 

AC - + 

S-c 

253 

10 min 

F907 
F905 
F906 

- Normal 

operating. 

Input current stabilised at 1,78A. 
F906 opened. 
No hazard. 

C915 -  S-c 253 10 

min 

F907 
F905 
F906 

- 

Center, Surround channels signal 
output off immediately. 
Input current stabilised at 1,21A. 
F905, F906 opened. 
No hazard. 

Q803 

C - E 

S-c 

207 

10 min 

F907 
F905 
F906 

- 

Unit shut down immediately. 
Input current stabilised at 0,01A. 
F905, F906 opened. 
No hazard. 

Q803 

C - E 

S-c 

253 

10 min 

F907 
F905 
F906 

- 

Unit shut down immediately. 
Input current stabilised at 0,01A. 
F905, F906 opened. 
Q804 shorted. 
No hazard. 

F No = Fault Number, S-c = Short-circuit, Dis = Disconnection