Samsung WS-32M204D, Руководство по обслуживанию

Страница: 69 / 127

Troubleshooting
6-2 Samsung Electronics
6-1-1 Basic Approaches for Troubleshooting
■
Troubleshooting Mechanism :
- The Main Board has Power part which supplies power to Deflection and Feature Box.
- The Feature Box receives all signal inputs,the signal-processed signal is sent to CRT Ass'y.
- Deflection and Focus are controlled by the Main Board.
■
Troubleshooting by Modules
1) Enter Service Mode
(In SET Stand-By Status,if you press "Info"
→
"Menu
"→
"Mute" and "Power" button in sequence on the remote control, the
screen is turned on and the Service Mode screen appears.)
2) Check if the Power part of the Main Board Board, which supplies power to Feature Box, is out of order.
If you cannot turn the screen on by pressing the POWER ON/OFF button or the screen repeatedly turns on and off when
pressing the POWER ON/Off button, check if the Power part of the Main Board is out of order. (Refer to the circuit diagram)
4) Check if the Deflection part of the Main Borad is out of order.
When the screen is not properly displayed and the left or right side of the picture is shrunk, or the top or bottom of the screen
is expanded or shrunk, check if the Deflection Board is out of order.