Pwb-Power Removal; Pwb-Main Removal - Mitsubishi Electric WD-73C1 Service Manual

MODELS: WD-73640 / WD-73740 / WD-73840 / WD-73C11 / WD-73CA1 /

PWB-POWER Removal

1. Disconnect all cables from the PWB-POWER.
2. Remove screws (A).
3. Pinch the Retainer to release the PWB.
4. Lift the PWB-POWER from the chassis.
A

PWB-MAIN Removal

1. Disconnect all cables to PWB-MAIN.
2. Remove screws (A) from the bottom of the PWB-MAIN.
3. Lift the PWB-MAIN from the chassis.
A
After PWB-MAIN Replacement
See Data Transfer in Service Procedures section.
1. V45C, V45 & V45CA: Perform "Restore Engine Data From Backup."
2. V45+, V45++ & V45CB: Perform "Restore Engine Data From Backup" and "Restore Geometry Data From
Backup."
V45+, V45++, V45CB IMPORTANT REPLACEMENT NOTE: If the customer has subscribed to VUDU (Internet
program provider), the customer must be instructed to contact VUDU to re-activate their account after the replace-
ment PWB has been installed. The original PWB cannot be installed in another TV. It must be returned to Mitsu-
bishi per policy.
WD-82740 / WD-82840 / WD-82CB1 / WD-92840
A
A
Retainer
(Pinch)
Page 9
A
A
A