Harman Kardon AVR 340 (serv.man11) EMC - CB Certificate ▷ View online
-
IEC 60065, 6th edition : 1998
-
- Page 10 of 39 -
Order
No.
51563
HEATING
∆t = ( R2 - R1) x (234,5 + t1) - (t2 - t1)
R1
R1
P
t1 =
23,5°C 23,5°C
t2 =
23,5°C 25,7°C
Test voltage
207 V
253 V
Winding
R1/
Ω R2/Ω
∆t measured
∆t allowed
*)
*)
Insulation
class
class
Main transf. pr. Winding (207V)
1,77
2,22
65,6
95
Class B
Sub trnasf. Pr. Winding (207V)
1226
1360
28,2
85
Class E
Main transf. pr. Winding (253V)
1,77
2,31
76,5
95
Class B
Sub trnasf. Pr. Winding (253V)
1226
1483
51,9
85
Class E
Other measured parts
∆t measured
at 207V
at 207V
∆t measured
at 253V
at 253V
∆t allowed
*)
*)
Main transformer core
50,3
60,0
95
Sub transformer core
34,8
49,4
85
Q803 TR body
53,7
69,8
-
Q804 TR body
40,0
49,2
-
IC91 body
45,2
61,8
-
D992 Diode body
44,1
48,0
-
E Capacitor, C916 body
17,3
23,7
-
E Capacitor, C902 body
29,7
38,4
-
E Capacitor, C929 body
41,1
50,9
-
FAN body (on back cover)
27,3
36,9
60
FAN body (on heat-sink)
28,2
36,0
60
PWB near Q803 TR
42,4
55,1
85
PWB near D992 Diode
48,4
53,0
85
D991 Diode heat-sink
37,8
40,8
-
D992 Diode heat-sink
41,5
45,4
-
Power cord bushing
26,0
33,0
60
Main heat-sink
52,0
67,7
-
Top enclosure above main transformer
4,8
6,6
40
-
IEC 60065, 6th edition : 1998
-
- Page 11 of 39 -
Order
No.
51563
HEATING
P
Other measured parts
∆t measured
at 207V
at 207V
∆t measured
at 253V
at 253V
∆t allowed
*)
*)
Top enclosure above main heat-sink
20,4
26,6
40
Power switch button
0,4
2,1
50
Comments
No other parts were observed to create any hazard due to temperature rise.
P
*) Temperature rise limits for tropical climates are 10K less
7.2
Softening temperature of insulating
material supporting parts
conductively connected to the mains
carrying a current > 0,2 A at least
150
material supporting parts
conductively connected to the mains
carrying a current > 0,2 A at least
150
°C
No temperatures measured during heating test and fault
cond. tests requires this test (7.2) to be performed.
cond. tests requires this test (7.2) to be performed.
N
Tested parts
Temperature
under normal
operating con-
ditions (°C)
Temperature
under fault
conditions
(°C)
Softening
temperature
(°C)
-
IEC 60065, 6th edition : 1998
-
- Page 12 of 39 -
Order
No.
51563
8 CONSTRUCTIONAL
REQUIREMENTS WITH REGARD
TO THE PROTECTION AGAINST
ELECTRIC SHOCK
TO THE PROTECTION AGAINST
ELECTRIC SHOCK
P
8.1
Conductive parts covered by
lacquer, paper, untreated textile
oxide films and beads etc.
considered to be bare
lacquer, paper, untreated textile
oxide films and beads etc.
considered to be bare
Considered
P
8.2
Shock hazard when changing
voltage setting device, fuse-links or
handling drawers etc.
voltage setting device, fuse-links or
handling drawers etc.
Operation “By hand” not possible
N
8.3
Insulation of hazardous live parts
not provided by hygroscopic
material
not provided by hygroscopic
material
No hygroscopic materials
N
8.4
Risk of electric shock from
accessible parts, including when
covers are removed by hand.
accessible parts, including when
covers are removed by hand.
No cover removable by hand.
N
8.5
Class I equipment
Class II equipment
N
Basic insulation between
hazardous live parts and earthed
accessible parts
hazardous live parts and earthed
accessible parts
N
Resistors bridging basic insulation
complying with 14.1 a)
complying with 14.1 a)
N
Capacitors bridging basic insulation
complying with 14.2.1 a)
complying with 14.2.1 a)
N
Basic insulation bridged by
components complying with
14.3.4.3
components complying with
14.3.4.3
N
Protective earth contact
N
8.6
Class II equipment and Class II
constructions within Class I
equipment
constructions within Class I
equipment
P
Reinforced or double insulation
between hazardous live parts and
accessible parts
between hazardous live parts and
accessible parts
Double/Reinforced insulation complies with
requirements specified in clause 10 and 13.
requirements specified in clause 10 and 13.
P
Components bridging reinforced or
double insulation complying with
14.1 a) or 14.3
double insulation complying with
14.1 a) or 14.3
The apparatus has an isolating transformer
P
Basic and supplementary insulation
each being bridged by a capacitor
complying with 14.2.1 a)
each being bridged by a capacitor
complying with 14.2.1 a)
N
Reinforced or double insulation
being bridged by 2 capacitors in
series complying with 14.2.1 a)
being bridged by 2 capacitors in
series complying with 14.2.1 a)
N
-
IEC 60065, 6th edition : 1998
-
- Page 13 of 39 -
Order
No.
51563
Reinforced or double insulation
being bridged by a single capacitor
complying with 14.2.1 b)
being bridged by a single capacitor
complying with 14.2.1 b)
N
8.7
Basic insulation between parts at
35 V to 71 V (peak) a.c. or 60 V to
120 V d.c. and accessible parts
35 V to 71 V (peak) a.c. or 60 V to
120 V d.c. and accessible parts
No parts at 35-71V(peak) a.c. or 60-120V d.c.
P
Reinforced or double insulation
between circuits operating at
voltages between 35 V and 71 V
(peak) a.c. or between 60 V and
120 V d.c. and hazardous live parts
at higher voltage
between circuits operating at
voltages between 35 V and 71 V
(peak) a.c. or between 60 V and
120 V d.c. and hazardous live parts
at higher voltage
No parts at 35-71V(peak) a.c. or 60-120V d.c.
P
Separation by Class II isolating
transformer
transformer
Isolating transformer according to 14.3.2.(Class II)
P
Separation by Class I transformer
N
Separation by earthed conductive
part
part
N
8.8
Basic or supplementary insulation
≥ 0,4 mm (mm)
≥ 0,4 mm (mm)
N
Reinforced insulation
≥ 0,4 mm
(mm)
Insulation in transformer, ref. 14.3.
P
Thin sheet insulation used inside
the enclosure
the enclosure
N
Basic or supplementary insulation,
at least two layers, each meeting
10.3
at least two layers, each meeting
10.3
N
Basic or supplementary insulation,
three layers any two of which meet
10.3
three layers any two of which meet
10.3
N
Reinforced insulation, two layers
each of which meet 10.3
each of which meet 10.3
N
Reinforced insulation, three layers
any two which meet 10.3
any two which meet 10.3
N
8.9
Primary wiring :
Adequate insulation between
internal hazardous live conductors
and accessible parts
Adequate insulation between
internal hazardous live conductors
and accessible parts
Double insulated.
P
Secondary wiring :
Adequate insulation between
internal hazardous live parts and
conductors connected to accessible
parts
Adequate insulation between
internal hazardous live parts and
conductors connected to accessible
parts
Single insulated but safely anchored.
P
8.10
Class II apparatus :
Double insulation between
conductors connected to the mains
and accessible parts
Double insulation between
conductors connected to the mains
and accessible parts
Double insulated, tested according to 8.9. and 10.3.
P
Click on the first or last page to see other AVR 340 (serv.man11) service manuals if exist.