Mitsubishi Electric LT-55154 Service Manual page 13

MODELS: LT-55154 / LT-40164 / LT-46164 / LT-55164 / LT-46265 / LT-55265
PWB-MAIN Replacement
1. Remove screws (A), (B) and nut (C).
2. Turn the assembly over and remove screws (D).
3. Before removing the PWB-MAIN, separate the Plastic Escutcheon from the Terminal Frame by gently prying
the point shown with a flat blade screwdriver.
NOTE: VLP43+ & VLP43++ models—When replacing the PWB-MAIN, transfer the WLAN-MODULE from the
original to the replacement PWB.
4. After replacement perform the SET SCREEN SIZE procedure in the Service Procedures section.
5. VLP43+, VLP43++
backed up to a USB memory device. If so, perform the RESTORE ISF SETTING
Procedures section. If no backup memory is available, this step is not necessary.
IMPORTANT REPLACEMENT NOTE: If the customer has subscribed to VUDU (Internet program provider), the
original PWB must be returned to Mitsubishi. The customer should be instructed to contact VUDU to re-activate
their account after the replacement PWB has been installed.
If the customer has calibrated the ISF (ADV) video settings, he may have the data
C
A
B
D
B
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procedure in the Service
A
Gently pry the Plastic Escutch-
eon from the Terminal Frame
before removing the PWB.