Troubleshooting
Samsung Electronics
4-5
7. Basic Troubleshooting: Diagnosis of LED on the Front Panel
LED
●
: Light is On
◑
: Light is Blinking
○
: Light is Off
Power
Description
○
This happens when the TV have turned on the power cord is disconnected.
●
This happens when the power cord is connected.
○→◑→●
The LED blinks, while the unit is starting up or the unit is turning off.
8. Troubleshooting by the Checksum
■ Diagnosis of trouble by the checksum is neither reliable nor convenient.
You can only use the checksume of the current direct-view TV to determine whether the software is corrupted or not.
The Checksum value is determined according to the version of the software loaded on the set.
Therefore, you can determine whether the software has been properly downloaded, if you know the correct checksum for that
version of the software.
You can check the checksum according in the following order.
Factory Mode
→
Checksum
→
Enter
→
Output Checksum (e.g. 0xab2b)
■ Checksum Examples
T-SIXPEANL-1000.3 Checksum=E068
Summary of Contents for CL21B501HLMXZS
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Page 29: ...Troubleshooting 4 12 Samsung Electronics 3 TDA12156H N3 Diagnosis IF MICOM VIDEO ...
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Page 56: ...Wiring Diagram Samsung Electronics 6 1 6 Wiring Diagram 6 1 Overall Wiring ...
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Page 63: ...Schematic Diagram 7 2 Samsung Electronics 7 1 2 Power Signal ...
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