LG Electronics RD-JT41 manual 29

LG RD-JT40/41 Service Manual

	Start
		1	.chk C W
Power O n	NG	2	.chk D M D/b
		3	.chk M ain/b
		4	.chk TR /b

O K

Im age Quality

O K

EE

Perform ance

O K

Optical

Perform ance

1.clean D M D chip

NG DustYes 2.clean TIR(D M D side)

No

1

.chk lens housing / DM D

housing Assem bly

2

.chk light pipe assem bly

Blue Edge

Yes

3

.chk TIR assem bly

4,change light pipe clip

5

.change light pipe

No

Focus N G

change projection

Yes

lens

No

Pixel Failure

1

.change D M D

Yes

2.change D M D/b

System

3

.clean elastom er

No

Trouble

NG

shooting

G uide

1.chk D M D baffle

light leakage

Yes

2

.chk TIR

1.R eset Factory m ode, chk D C offset/G ain setup

2.chk D M D/b

NG

Brightness

Yes

3.clean projection lens

4.cleanTIR

5.clean optical parts

	No
				1.chk TIR
Uniform ity		Yes
				2.chk projection lens
	No
				1.R eset Factory m ode, chk D C offset/G ain setup
Contrast			Yes	2.chk D M D baffle
				3.change projection lens
	No
				1.Reset Factory m ode, chk C W delay
Color			Yes	2.change C W
				3.change projection lens
	No
Color				1.chk TIR
			Yes	2.chk D M D
Uniform ity
				3.chk D M D/b

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