Read Sharp PG-M20S (serv.man8) Service Manual online
1-2. Remove the five lock screws from the top panel.
1-3. Press the right side of the bottom body to undo the hook.
1-4. Press the left side of the bottom body to undo the hook.
1-5. Press the front of the bottom body to undo the hook. Get the top panel loose from the bottom body.
1-6. Slightly raise the front of the top panel and disconnect the speaker connector.
2-2. Remove the three lock screws from the PC I/F PWB and then the two hex support screws.
2-3. Disconnect the connector and take out the cooling fan.
3-2. Disconnect the connectors.
4-2. Raise the two lamp socket lead fixtures.
4-3. Disconnect the connectors.
4-4. Remove the six lock screws from the optical mechanism.
5-2. Remove the four lock screws from the power PWB.
5-3. Remove the lock screw from the ballast PWB unit.
5-4. Remove the three hex support screws from the input PWB.
5-5. Remove the lock screw from the terminal block cover.
5-6. Remove the three lock screws from the PFC PWB.
6-2. Remove the two lock screws from the heat sink.
6-3. Remove the four lock screws from the backer plate assembly, and detach the formatter PWB.
Note: The DMD (Digital Micromirror Device) unit is easily affected by static electricity. In handling this unit, be sure
to wear a wristband or take other anti-static measure.
Note: Be careful not to allow dust and fingerprint
surface of optical engine.
cross multiply step by step.
adjusting plate and move that plate to adjust
illumination area of DMD chip.