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Display off
Power switch and
power plug pin is
connected?
SMPS OK?
Check Output Voltage
(3.3V, 5V, 12V, 30V)
Check U101.
Connect switch and power Pug pin.
Yes
Yes
No
No
Check SMPS.
Yes
No
U102 (8) signal?
: 27MHz CLK
U102 (12, 13) signal?
: 27MHz CLK
No
Check U100.
Check X100.
Yes
R108 signal?
: 27MHz CLK
No
Check R106.
Yes
120MHz CLK is oceared
at R142, R143.
Yes
No
Check U202.
Samsung Electronics
4-1
4. Troubleshooting
Содержание DTB-D700F
Страница 23: ...Software Upgrade and Installation 3 2 Samsung Electronics MEMO ...
Страница 33: ...Troubleshooting 4 10 Samsung Electronics MEMO ...
Страница 35: ...Exploded View and Parts List 5 2 Samsung Electronics MEMO ...
Страница 40: ...Samsung Electronics 7 1 7 PCB Diagrams 7 1 Main 7 2 7 2 S M P S 7 4 7 3 Key 7 6 ...
Страница 41: ...PCB Diagrams 7 2 Samsung Electronics 7 1 Main COMPONENT SIDE ...
Страница 42: ...PCB Diagrams Samsung Electronics 7 3 CONDUCTOR SIDE ...
Страница 43: ...PCB Diagrams 7 4 Samsung Electronics 7 2 S M P S COMPONENT SIDE ...
Страница 44: ...PCB Diagrams Samsung Electronics 7 5 CONDUCTOR SIDE ...
Страница 45: ...PCB Diagrams 7 6 Samsung Electronics 7 3 Key COMPONENT SIDE CONDUCTOR SIDE ...
Страница 57: ...Schematic Diagrams 8 12 Samsung Electronics This Document can not be used without Samsung s authorization MEMO ...