LIGHT ENGINE REPLACEMENT
Cautions when replacing LIGHT ENGINE1-2. Adjustment is made from service mode. The adjusting
LIGHT ENGINE UNIT:items consist of CWDL, CWDH and DMDB.
A271: LV-672 TB 0D
(Including with E998Z, SK01 to SK04, SK06,SK08 and SK09.CWDL CWDH)
When CW delay number of the data bar code is 0450:
LIGHT ENGINE is a heart of the TV and emits high heat.
Make sure to replace it after turning off the TV and wait
for sufficient cool down. (More than one hour is recom-
mended.)0450 indicates 450 45.0
Double 45.0 to form hexadecimal number (HEX).
Do not impact during replacement; otherwise, some
parts may be damaged.
Do not touch optical lens. Adhesion of dirt may deterio-
rate its performance.45.0 x 2=90 5A (hexadecimal)
Do not loosen any screw other than those to be removedThe adjusted value becomes ?5A? for CWDL and ?00?
for CWDH.
for adjustment or replacement.If hexadecimal number forms 3 or 4 digits, the latter 2
LIGHT ENGINE emits ultraviolet rays when the TV isdigits indicate CWDL while the first 2 digits indicate
ON. Make sure to be careful.
CWDH.
(For 3 digits, CWDH=0*)
1.Replacement of Light Engine Unit
Note:1-1. When Light Engine Unit is replaced with a new one,
For converting decimal number to hexadecimal num-adjustment is required. Adjusted values are described
in bar code, and the values of bar code must be con-
ber, see the conversion table on the next page.verted to the adjusted values for the setup.
There are 2 types of bar code.
DMDB
Read DMD bias value described in alphabet from the
Data bar codedata bar code. In service mode, DMDB value is con-
verted and fixed by the following table.
DMD value in barAdjusted value
code(Hex)
B00
C01Serial bar code
D02
E03
F04
Serial bar code
Ex.52A000A111111Refer to Service Mode for adjusting the service mode.
Inch sizeSerial numbers
Data bar code (CW: color wheel)
Ex. A000000B1111
CWdelay number: 4digits
DMD bias value
Substrate serial numbers
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ACEC
