SAFETY TEST REPORT

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SAFETY TEST REPORT | Manualzz

Key press 2.8 2.6 45

Ambient (

°C) 25.1

--

supplementary information:

*) Temperature limits of winding include less 10°C for thermocouple measurement method.

The temperature rise limit is based on max. ambient operating temperature 40°C declared by the client.

Test with the worst case of normal mode

7.2 TABLE: softening temperature of thermoplastics P

Temperature T of part T – normal conditions ( o

C)

T – fault conditions ( o

C)

T softening

( o

C)

Primary AC connector CON1 31.3 33.6

Plastic enclosure

8.14

34.3

Adequate fastening of covers (pull test 50 N for 10 s)

39.8

No damage , no loosen

9.1.1.1 Touch current expressed as voltages U1 and U2 in Annex D

>150

>150

P

P

Location Measured U1

V (peak)

Measured

U1

V (DC)

Measured U2

V (peak)

Limits :

U1 Max 35V (peak)

U1 Max 1.0V (DC)

U2 Max 0.35V (peak)

Mains pole – Plastic enclosure

(copper foil)

P

Mains pole – Output terminal

(included Antenna terminal)

Supply Board :(speaker s-c, openings, blocked, max-non-clipped)

Mains pole – Plastic enclosure

(copper foil)

Mains pole – Output terminal

(included Antenna terminal)

supplementary information

Vin = 264Vac, 60Hz

The L/N earth leakage current is max. 0.5mA

No other part exceeds 35V peak or 60V dc.

10.2 TABLE: Humidity Test

Humidity treatment 48 h or 120 h :

P

P

P

The products show no damage

P

No hazards.

chamber for 48 hours

Safety Test Report #: SHE-1007-10462-LVD

Prepared for Shenzhen KTC Technology Co., Ltd.

Prepared by EMC Compliance Management Group. Page 30 of 48

10.3 TABLE: insulation resistance measurements

Insulation resistance R between:

Basic: Unit Mains poles (primary fuse disconnected)

Reinforced: Input and Plastic enclosure

Reinforced: Input and Output terminals include antenna

R (MΩ)

>2

>4

>4

Required R (MΩ)

2

4

4

P

Reinforced: Primary and secondary of transformer T01

Basic: Primary and core of transformer T01

Basic: Secondary and core of transformer T01

>4

>2

>2

4

2

2

Reinforced: Insulation sheet between primary and secondary coil of T01

10.3 TABLE: electric strength measurements

Test voltage applied between:

Basic: Unit Mains poles (primary fuse disconnected)

Reinforced: Input and Plastic enclosure

Reinforced: Input and Output terminals include antenna

Reinforced: Primary and secondary of transformer T01

Basic: Primary and core of transformer T01

>4 4

Test voltage (V)

2120Vdc

4240Vdc

4240Vdc

4240Vdc

2120Vdc

No

No

P

Breakdown

No

No

No

Basic: Secondary and core of transformer T01 2120Vdc No

Reinforced: Insulation sheet between primary and secondary coil of T01

11.2 TABLE: summary of fault condition tests

4240Vdc No

component

No.

Voltage (V) 0,9 or 1,1 times rated voltage ..........: 90V or 264V

Ambient temperature ( o

C) ....................................: 25°C

fault test voltage

(V) test time fuse

No. fuse current

(A) result

P

Ventilation openings block 264 speaker output max. nonclipped

On Power Supply Board

264

2.0H

2.0H

F01

F01

Recoverable.

0.236 The unit normal operation, no hazards

0.260 The unit normal operation, no hazards

Safety Test Report #: SHE-1007-10462-LVD

Prepared for Shenzhen KTC Technology Co., Ltd.

Prepared by EMC Compliance Management Group. Page 31 of 48

DA01

DA02

EC1

Q01

Pin G to S

Q01 pin G-D

Q01 pin D-S

R112

S-C 264

S-C

S-C

S-C

S-C

S-C

S-C

264

264

264

264

264

264

1S

1S

1S

1S

1S

F01

F01

F01

10min F01

F01

F01

10min F01

0

0

Fuse opened immediately, no hazards

Fuse opened immediately, no hazards

0 Fuse opened immediately, no hazards

0.046 Unit shut down immediately, recoverable, no hazards

0 Fuse opened immediately, R112, Q01 damaged, no hazards

0 Fuse opened immediately, R109, R112,

R108, Q01 damaged, no hazards

0.183 Unit normal operation, no hazards

T01 pin4-6

T01 pin7-9

T01 pin9-11

D106

IC1 pin2-5

IC1 pin2-3

IC1 pin4-6

T01 pin1-2

S-C

S-C

264

264

10min

10min

F01

F01

0.046 Unit shut down immediately, recoverable, no hazards

0.046 Unit shut down immediately, recoverable, no hazards

S-C 264 10min F01 0.045 Unit shut down immediately, recoverable, no hazards

S-C 264 10min 0.044↔

0.094

Unit shut down immediately, recoverable, no hazards

S-C 264 10min 0.044↔

0.156

Unit shut down immediately, recoverable, no hazards

S-C 264 10min F01 0.290 Unit normal operation, no hazards.

S-C 264 10min 0.045↔

0.120

Unit shut down immediately, recoverable, no hazards

S-C 264 10min F01 0.154 Unit normal operation, no hazards.

10min 0.045↔

0.120

Unit shut down immediately, recoverable, no hazards

IC2 pin1-2

IC2 pin1

IC2 pin3-4

S-C 264 10min

O-C

S-C

264

264

10min

10min

F01

F01

0.043↔

0.303

Circuit protected, recoverable, no hazards

0.046 Unit shut down immediately, recoverable, no hazards

0.046 Unit shut down immediately, recoverable, no hazards

Safety Test Report #: SHE-1007-10462-LVD

Prepared for Shenzhen KTC Technology Co., Ltd.

Prepared by EMC Compliance Management Group. Page 32 of 48

IC2 pin3

O-C 264 10min F01 0.046 Unit shut down immediately, recoverable, no hazards

GND

S-C 264 10min 0.043↔

0.208

Unit shut down immediately, recoverable, no hazards

+12Vdc to F01 0.043↔

GND 0.186

11.2

Unit shut down immediately, recoverable, no hazards

TABLE: summary of fault condition tests (Model: 19L11)

Voltage (V) 0,9 or 1,1 times rated voltage ....... 90V

Ambient temperature ( o

C) ................................. See below

P

Monitored point:

Power plug

Power supply cord

Speaker

S-C

0.4

5.7

dT (K)

Openings

Blocked

0.2

7.7 max. nonclipped

0.5

5.8

Limit dT (K)

40

40

Internal power wire

Connector CON1

L01 winding

CX2 body

L02 winding

PCB under DA04

PCB under Q01

E-cap. EC1 body

CY3 body

Transformer T01 coil

Transformer T01 core

PCB under T01

IC2 body

Inside Enclosure near transformer

Outer Enclosure near transformer

Key press

Ambient (

°C)

supplementary information:

6.2

8.1

14.6

10.0

13.6

20.2

21.4

13.5

14.9

31.6

26.3

21.4

17.4

7.7

9.7

13.8

12.8

12.2

15.6

25.8

13.6

16.6

33.6

28.5

23.6

20.5

6.3

8.2

14.4

10.3

13.6

20.3

21.5

13.4

14.9

31.7

26.2

21.3

17.7

40

--

145

60(100-40)

145

145

145

60(105-40)

85(125-40)

145

145

145

60(100-40)

9.2 12.8 9.5 --

4.2 6.3 4.3 45

23.5 23.9 23.9 --

Safety Test Report #: SHE-1007-10462-LVD

Prepared for Shenzhen KTC Technology Co., Ltd.

Prepared by EMC Compliance Management Group. Page 33 of 48

11.2 TABLE: summary of fault condition tests (Model: 19L11) P

*) Temperature limits of winding include less 10°C for thermocouple measurement method.

The temperature rise limit is based on max. ambient operating temperature 40°C declared by the client.

11.2 TABLE: summary of fault condition tests (Model: 23L11)

Voltage (V) 0,9 or 1,1 times rated voltage ....... 90V

Ambient temperature (

Monitored point: o

C) ................................. See below

Power plug

Power supply cord

Speaker

S-C

1.2

7.3

dT (K)

Openings

Blocked

1.1

8.3 max. nonclipped

1.2

7.1

P

Limit dT (K)

40

40

Internal power wire

Connector CON1

L01 winding

CX2 body

L02 winding

PCB under DA04

PCB under Q01

E-cap. EC1 body

CY3 body

Transformer T01 coil

Transformer T01 core

PCB under T01

IC2 body

Inside Enclosure near transformer

Outer Enclosure near transformer

16.7

16.5

31.3

31.8

20.5

19.5

2.5

4.1

13.9

7.7

16.6

18.5

27.7

3.0

5.5

14.6

9.4

16.5

19.0

27.7

17.4

17.9

32.8

31.7

21.1

21.3

2.3

3.7

13.4

7.3

16.1

18.2

27.2

16.2

16.2

31.7

31.3

20.1

19.0

40

--

145

60(100-40)

145

145

145

60(105-40)

85(125-40)

145

145

145

60(100-40)

10.3 14.0 10.1 --

10.5 15.5 10.2 55

Key press

Ambient (

°C)

supplementary information:

2.5 6.4 2.6 45

25.6 25.8 25.8 --

*) Temperature limits of winding include less 10°C for thermocouple measurement method.

The temperature rise limit is based on max. ambient operating temperature 40°C declared by the client.

Safety Test Report #: SHE-1007-10462-LVD

Prepared for Shenzhen KTC Technology Co., Ltd.

Prepared by EMC Compliance Management Group. Page 34 of 48

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