Samsung SR-L626EV Specifikace stáhnout pdf (Strana 26)

Start

Check wires

Replace DC-Trans

Replace fuse

Check BD05 – 08

Check IC02(MC7812)

Check IC03(KA7805)

Check wire connection

Replace panel PCB

Reference 1

(Page. 38)

DC-Trans primary

power input?

DC-Trans secondary

power input?

Main PCB fuse

brown out?

Power input to IC02?

DC 12V output

from IC02?

DC 5V output

from IC03?

Measure C03

(1000M/35V)

Measure IC02

OUT voltage

Measure IC03

OUT voltage

Are wires connected to

panel securely?

Panel PCB Ass’y

is OK?

OK

Y

Y

Y

Y

Y

Y

Y

N

N

N

N

N

N

N

N

N

28 Samsung Electronics

7. Troubleshooting

1) No power

1. Is the power cord well connected to wall outlet?

2. Refer to the reference

Precautions

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