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 - 

IEC 60065, 6th edition : 1998

 - 

- Page 36 of 38 - 

 

 

   

 Order 

No. 

34019

 

 

 

 

 

FAULT CONDITION TESTS (continued) 

Comp. 
No 

Fault Test 

V 

Short 
current 

Test time

Fuse No

Current 
through 
fuse 

Mains power/temperatures/results 

C923 

S-c 

253 

- 

30 min 

F907 

1,03 A 

Output signal off immediately. 
Input current stabilised at 0,55A. 
No component damaged. 
No hazard. 

D915 

S-c 

253 

A - C 

30 min 

F907 

1,57 A 

Output signal dropped to 4V. 
Input current stabilised at 1,10A. 
R104 opened and D916 damaged. 
No hazard. 

C931 

S-c 

253 

- 

30 min 

F907 

0,90 A 

Output signal off immediately. 
Input current stabilised at 0,47A. 
R104, R105 opened and 
D915 damaged.  No hazard. 

C909 S-c 

207  - 

10 

min 

F907 
F905 
F906 

- 

Surround, Center channels signal 
output off immediately. 
Input current stabilised at 0,81 A. 
F905, F906 opened. 
No hazard. 

C909 S-c 

253  - 

10 

min 

F907 
F905 
F906 

- 

Surround, Center channels signal 
output off immediately. 
Input current stabilised at 0,90 A. 
F905, F906 opened. 
No hazard. 

C916 S-c 

253  - 

10 

min 

F907 
F903 
F904 

- 

Front, S/B channels signal output 
off immediately. 
Input current stabilised at 0,86A. 
F903, F904 opened. 
No hazard. 

Q803 

S-c 

207 

C - E 

10 min 

F907 
F905 
F906 

- 

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

Q803 

S-c 

253 

C - E 

10 min 

F907 
F905 
F906 

- 

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

Q803 

S-c 

253 

B - C 

10 min 

F907 
F905 
F906 

- 

Unit shut down immediately. 
Input current stabilised at 0,01A. 
No component damaged. 
No hazard. 

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

 

 - 

IEC 60065, 6th edition : 1998

 - 

- Page 37 of 38 - 

 

 

   

 Order 

No. 

34019

 

 

 

 

 

FAULT CONDITION TESTS (continued) 

Comp. 
No 

Fault Test 

V 

Short 
current 

Test time

Fuse No

Current 
through 
fuse 

Mains power/temperatures/results 

C807 S-c 

253  - 

20 

min 

F907 
F905 
F906 

1,79 A 

Surround L channel signal output 
distorted immediately. 
Input current stabilised at 1,33A. 
R611, R821 opened. 
No hazard. 

Q804 

S-c 

253 

C - E 

10 min 

F907 
F905 
F906 

- 

Unit shut down immediately. 
Input current stabilised at 0,01A. 
F905, F906 opened. 
Q803, Q804 shorted and 
R810 opened. No hazard. 

Q804 

S-c 

253 

B - C 

10 min 

F907 
F905 
F906 

- 

Unit shut down immediately. 
Input current stabilised at 0,01A. 
Q803 shorted.  No hazard. 

C813 S-c 

253  - 

20 

min 

F907 
F905 
F906 

1,29 A 

Surround L channel signal output 
off immediately. 
Input current stabilised at 1,26A. 
No component damaged. 
No hazard. 

D962 

S-c 

253 

A - C 

12 min 

- 

1,47 A 

Sub transformer primary winding 
heated-up to 106K and thermal fuse
opened after 12 min. 
Dielectric strength test O.K. 
No hazard. 

C906 

S-c 

253 

- 

11 min 

- 

0,04 A 

Mains relay off immediately. 
Sub transformer primary winding 
heated-up to 110K and thermal fuse
opened after 11 min. 
Dielectric strength test O.K. 
No hazard. 

C911 

S-c 

253 

- 

2 hr 

- 

0,02 A 

Mains relay off immediately. 
Sub transformer primary winding 
heated-up to 87K and stabilised. 
Dielectric strength test O.K. 
No hazard. 

Speaker 
Terminal 

S-c 253 

Surroun
d 
(

L - ch.)

 

10 min 

F907 

- 

Unit shut down immediately. 
Input current stabilised at 0,01A. 
No component damaged. 
No hazard. 

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

 

 - 

IEC 60065, 6th edition : 1998

 - 

- Page 38 of 38 - 

 

 

   

 Order 

No. 

34019

 

 

 

 

 

FAULT CONDITION TESTS (continued) 

Comp. 
No 

Fault Test 

V 

Short 
current 

Test time

Fuse No

Current 
through 
fuse 

Mains power/temperatures/results 

Top cover 
opening 

Blocked 

253 

- 

10 min 

F907 

1,45 A 

Unit shut down after 6 min. 
Input current stabilised at 0,01A. 
No component damaged. 
No hazard. 

Pmax 

operating

 

Maximum 
non-
clipped 
output 
signal 

253 

- 

24 min 

F907 

3,05 A 

The components are heated up to: 
- Main transf. pr. Winding  : 147K 
- Main transformer core 

: 89K 

- D992 body 

: 93K 

- PWB near D992 

: 94K 

- Q803 body 

: 52K 

- PWB near Q804 

: 44K 

and main transformer’s thermal fuse
opened after 24 min. 
Dielectric strength test OK. 
No hazard. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

- APPENDIX CENELEC EN60065:1998 TO IEC60065:1998    -

 

- Page 1 of 3 - 

 

 

   

 Order 

No. 

34019

 

 

 

APPENDIX   

CENELEC COMMON MODIFICATIONS, SPECIAL NATIONAL CONDITIONS, NATIONAL 
DEVIATIONS AND OTHER INFORMATION     

C = CENELEC common modification, S = Special National condition, D = National deviation, F = Other information

 DE 

= Germany, DK = Denmark, GB = United kingdom, FI = Finland, IE = Ireland, IT = Italy, NO = Norway, SE = Sweden. 
P = Pass, F = Fail, N = Not applicable.   

1.1.1 C 

Replace text in Note 1 by : This 
standard can be used as a guide for 
the testing of battery operated 
apparatus.  

 

2.6.1 S 

(DK)    Class I apparatus provided 
with a plug not establishing earthing 
continuity when inserted in Danish 
socket-outlets, see 15.1.1. 

 

Class II apparatus 

3.1 C 

Delete the note. Add the following 
indent : exposure to excessive 
sound pressures from headphones 
or earphones. 

 

 

 

5 D 

(DE) Marking in case of intrinsically 
ionizing radiation, cathode-ray tubes

 

5 D 

(IT) Marking and instruction 
requirements  
- power consumption (W) for TV 
receivers  

 

6.1 D 

(DE) Limits for ionizing radiation, TV 
receivers (max. 1

µSv/h) 

 

15.1.1 C 

Delete notes 1 and 2. 
Add to note 4: Attention is drawn to 
the fact that a standard is under 
preparation (presently prEN 50074) 
for socket-outlets which allow 
connection of Class II appliances 
only.  

 

 

15.1.1 S 

(DK) Mains plug according to Heavy 
Current Regulations, Section 107-2-
D1 
(DK) Mains socket outlets Cl.I 
(DK) Mains socket outlets Cl.II 

15.1.1 S 

(IE) Mains plug, flexible cord, 
according to statutory Instrument 
525: 1997 

 

15.1.1 S 

(NO) Mains socket outlets CI.II 

 

15.1.1 S 

(GB) Mains plug, flexible cord, 
according to statutory Instrument 
1768: 1994