Sampo l0048, 79al Schematic

Inverter –MODULE Spec &Trouble Shooting Chart

6 B).

In LM500 model , we use 3 kind of panel, each panel have their own inverter spec,therefore

following spec is Hannstar-panel Inverter, LG-panel Inverter,CPT-panel Inverter offer from

SAMPO-CORPORATION

I.) TROUBLE SHOOTING OF HANNSTAR-INVERTER (part no : 79AL15-6-S)

TYPE: L0048 FOR HANNSTAR 15”PANEL

SAMPO CORPORATION

T R O U B L E S H O O T I N G O F H AN N S T A R - I N V E R T E R ( DIVTL0048-D21- -)

1.SAMPO PART NO .:

2.SCOPE :

HANNSTAR(HSD150MX41) 15

this is to specify the requirements of the subject parts used in

L0048 ,AOC PART NO.: 79AL15-6-S

inch (2 C.C.F.L.) LCD monitor.

3.CONNECTOR PIN ASSIGMENT:

4-1. CON1: INPUT

MODEL NO.: S5B-PH-SM3-TB

PIN SYMBOL DESCRIPTION

1 Vin Input voltage: 12V
2 GND GND
3 ON/OFF ON: 3V OFF:0V
4 Dimming Dimming range (0V~+5.0V)

5 Dimming Dimming range (0V~+5.0V)

4-2. CON2,CON3 : OUTPUT

MODEL NO. : SM04(4.0)B-BHS-1-TB

PIN SYMBOL DESCRIPTION

1 HV OUTPUT Input H.V to lamps
2 RETURN Return to control

2

2

SAMPO CORPORATION

T R O U B L E S H O O T I N G O F H AN N S T A R - I N V E R T E R ( DIVTL0048-D21- -)

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

Input current Iin -- 800 1300 mA
output current

Iout

adj:0v( min.)

(min)

Output current

Iout

adj.:5 v(max.)

(max)

Frequency
H.V open

H.V Load

Vopen

Vload

FUNCTION LOAD CIRCUIT:

6.

10.8 12 13.2 V

1.7

5.8

F 40

1250 1400 1550 Vrms

580 680 780 Vrms

2.2

6.2

2.7

6.7

mA

mA

50 60 KHZ

FOR 1 CCFL
LOAD:110K•

FOR 1 CCFL
LOAD:100K•

NO LOAD
RL=110K•

10•

CON1

1 2 3 4 5

1

110K•

VT

1

10•

PIN SYMBOL

110K•

1 Vin 12V
2 GND
3 ON/OFF
4 Dimming
5 DIMMING

VT

DDD

SSS

GD