Samsung SP524JMTRX, SP434JMFX Troubleshooting

Troubleshooting

Samsung Electronics 6-1

6. Troubleshooting

6-1 No Power

No

Yes

Yes

Check B+ 130V

on the Power Board

Check

pin 1 of the IC801

Check/Replace

F801, F803

Check

PIN 3 of the IC801

Check/Replace

IC801

Check the Pin 9

of the IC801

Check/Replace

Q409, Q402
Q401, Q408

Check/Replace

D812, D813

Q811,D811, D816

Check/Replace

IC802, F804

Yes

Yes

No

No

No

Troubleshooting

6-2 Samsung Electronics

6-2 No Picture

All-High

No

No

Yes

Yes

No

Check

TDA8375 pin 26

Low - High

Check

TDA8375 pin 28

(Y-output)

Check TDA8375

pin 27 Y-input

Check Pin 8

of IC501, IC531

IC561

Check/Replace

m-com, IC205, IC206,

IC207, ICP05

Replace

TDA8375

Check/Replace

IC203, IC204, IC208

Check TDA8375

R/G/B Out

No

Yes

Check

IF CVBS

Check
TDA8375, , , ,
, , ,

37

12

13

17

40 46

47

19

20

21

, ,

Yes