Power Supply Regulator Schematic – Lamp replacement
procedure - LG
RU-52SZ30 RU-60SZ30 LCD PROJECTION TV
Lamp
Replace
Use it when the Lamp time is ‘0’.
Press the IN-START key on R/C for adjustment to select
Lamp replace and adjust with volume key.
Press the IN-START key on R/C for adjustment to select
Lamp replace and adjust with volume key.
You
must replace the lamp when
The projector image get darker or start to be deteriorated.
The lamp indicator is red (red, flashing alternately).
The massage “LAMP REPLACE”appears on the screen when turning the projector lamp on.
The projector image get darker or start to be deteriorated.
The lamp indicator is red (red, flashing alternately).
The massage “LAMP REPLACE”appears on the screen when turning the projector lamp on.
Replace
the lamp as below sequence
1. Turn off the projector and unplug the power cable. (Cool the lamp for more than 1 hour.)
2. Remove the four retaing screws on the lamp cover with a screwdriver of “+“ type and then lift off the lamp cover.
3. After lifting the lamp cover off, remove the two retaing screw on lamp case with screwdriver of “-“ type. (refer to fig.2)
4. Lift up the fixed wire handle of the lamp. (refer to fig.3)
5. Pull out the handle slowly and remove the lamp case.
6. Insert the new lamp gently into the correct position. Make sure it is inserted correctly.
7. Tighten the screw you removed in step 3.
8. Replace the lamp cover and tighten the cover screws. (Make sure the lamp cover is securely fastened. If lamp cover is open, the lamp indicator flashes green and the projector is not turn on.)
1. Turn off the projector and unplug the power cable. (Cool the lamp for more than 1 hour.)
2. Remove the four retaing screws on the lamp cover with a screwdriver of “+“ type and then lift off the lamp cover.
3. After lifting the lamp cover off, remove the two retaing screw on lamp case with screwdriver of “-“ type. (refer to fig.2)
4. Lift up the fixed wire handle of the lamp. (refer to fig.3)
5. Pull out the handle slowly and remove the lamp case.
6. Insert the new lamp gently into the correct position. Make sure it is inserted correctly.
7. Tighten the screw you removed in step 3.
8. Replace the lamp cover and tighten the cover screws. (Make sure the lamp cover is securely fastened. If lamp cover is open, the lamp indicator flashes green and the projector is not turn on.)
Resetting
the lamp time
After pressing the “?“ key on the remote control in Stand-By mode, press the “9876“ and press the “OK“ button.
And then three LED in the front is stop after flashing for a moment.
After pressing the “?“ key on the remote control in Stand-By mode, press the “9876“ and press the “OK“ button.
And then three LED in the front is stop after flashing for a moment.
Lamp
Life Time Confirmation
Method1 : Enter ADJ mode with using the remote control. You can be confirmed because “ Lamp Life Time XX hr“ is appeared.
Method2 : With using the remote control offered to consumer if you press the menu button continuously, OSD menus will disappear then press the “9876“ and press the “OK“ button to enter ADJ mode you can see “Lamp Life Time XX hr“
Method1 : Enter ADJ mode with using the remote control. You can be confirmed because “ Lamp Life Time XX hr“ is appeared.
Method2 : With using the remote control offered to consumer if you press the menu button continuously, OSD menus will disappear then press the “9876“ and press the “OK“ button to enter ADJ mode you can see “Lamp Life Time XX hr“
SMPS circuit diagram
