4-2
Samsung
Electronics
Troubleshooting
4-1 Checkpoints by Error Mode
Oscilloscope Setting Values
Voltage/DIV
1V/div
TIME/DIV
500ms/div
4-1-1 NO POWER
Change FL1
Test SMPS PCB
No
No
Change BDL1
Test SMPS PCB
No
Change IC2
Test SMPS PCB
Yes
Yes
Yes
BDL1 (TPS10P05G) is normal?
FL1 (250V/10A) is normal?
IC2 (ICE3B0365J)
is normal?
No Power Detected
(Stand by LED OFF)
Change the SMPS PCB
No
Change PCA3
Test SMPS PCB
PCA3 (PC817) is normal?
Yes
Содержание HT-BD1255
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Страница 38: ...4 12 Samsung Electronics Troubleshooting A I C 7 A I C 8 A I C 9 AMP PCB Bottom page 6 11 Fig 4 4 2 2 2...
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Страница 96: ...6 6 Samsung Electronics PCB Diagram 6 4 KEY PCB Top 1 2 TIC1 PCON2 VCON2 TCON...
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Страница 101: ...Samsung Electronics 6 11 PCB Diagram 6 7 AMP PCB Bottom TP2 CON1 J3 AIC7 AIC8 AIC9...
Страница 102: ...6 12 Samsung Electronics PCB Diagram 6 7 1 Test Point Wave Form TP2...
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Страница 108: ...6 18 Samsung Electronics PCB Diagram 6 10 SMPS PCB Top CN3 CN2...
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Страница 114: ...7 4 Samsung Electronics Schematic Diagram This Document can not be used without Samsung s authorization 7 3 KEY...