Troubleshooting Procedures By Error Modes - Samsung CL-21M40MQ Service Manual

Troubleshooting

6-2 Troubleshooting Procedures by Error Modes

6-2-1 Basic Troubleshooting: Diagnosis of LED on the Front Panel
: Light is Blinking
: Light is Off
Power
Troubleshooting Mechanism :
- The System Blcok has the last output terminal, TDA9377PS/N3, which shows the internal Test pattern.
- The Power Block supplies power to the Deflection Block
- The System Block receives all signal inputs, the signal-processed signal is sent to CRT Ass'y.
Deflection and focus are controlled by the Deflection Block
6-2
This happens when the Tact Switch is not pressed or the power cord is disconnected.
If you press the power switch of the or the channel key on the remote control when in St-BY sta-
tus, the screen will be turned on.If the LED blinks and the screen is not displayed, check the
connection between the Power and the Main Board.
Description
Samsung Electronics