S A M P O C O R P O R A T I O N

TROUBLE SHOOTING OF CHI-MEI INVERTER ( DIVTL0037-D42- -)

5.FUNCTION SPECIFICATIONS:

The data test with the set of SAMPO, and the test circuit is as below.

ITEM

SYMBOL

MIN.

TYP.

MAX.

UNIT

REMARK

Input voltage

Vin

10.8

12

13.2

V

 

Input current

Iin

--

2200

2500

mA

 

output current

Iout

 

 

 

 

FOR 1 CCFL

adj:0v( min.)

(min)

2.1

2.6

3.1

mA

LOAD:120KΩ

Output current

Iout

 

 

 

 

FOR 1 CCFL

adj.:5 v(max.)

(max)

5.5

6.0

6.5

mA

LOAD:120KΩ

Frequency

F

40

50

60

KHZ

 

 

 

H.V open

Vopen

1400

1500

1600

Vrms

NO LOAD

 

 

 

 

 

 

 

H.V Load

Vload

630

730

830

Vrms

RL=120KΩ

 

 

 

 

 

 

 

6.FUNCTION LOAD CIRCUIT:

120KΩ

10Ω

TV

120KΩ

10Ω

TV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120KΩ

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10Ω

 

 

 

 

4

 

 

 

 

 

CON1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

 

4

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIN

 

 

SYMBOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120KΩ

 

 

 

 

 

 

1

 

 

 

Vin 12V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

Vin 12V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10Ω

 

 

 

 

 

 

3

 

 

ON/OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

Dimming

 

 

 

 

 

TV

 

 

 

 

 

 

5

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

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Image 24
AOC P/N : 41A50-144 service manual Function Load Circuit

P/N : 41A50-144 specifications

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