LG RF-21FB30VX, Руководство по обслуживанию

Страница: 10 / 27

- 10 -
Fig. 2-1
Fig. 2-2
CPT
board
Remove
Screws
Main
PCB
DISASSEMBLY INSTRUCTIONS
Important note
This set is disconnected from the power supply through the
converter transformer. An isolating transformer is necessary
for service operations on the primary side of the converter
transformer.
Back Cabinet Removal
Remove the screws residing on the back cabinet and carefully
separate the back cabinet from the front cabinet. (Fig. 2-1).
Chassis Assy Removal
Grasp both side of Frame and pull it backward smoothly.
CPT Removal
1. Pull out the CPT board from the CPT neck.
2. Place the front cabinet on soft material not to mar the front
surface or damage control knobs.
3. Remove 5 screws securing the picture tube mounting
brackets to the front cabinet.
4. Carefully separate CPT from the front cabinet.
PICTURE TUBE HANDLING CAUTION
Due to high vacuum and large surface area of picture tube, great
care must be exercised when handling picture tube. Always lift
picture tube by grasping it firmly around faceplate.
NEVER LIFT TUBE BY ITS NECK! The picture tube must not be
scratched or subjected to excessive pressure as fracture of
glass may result in an implosion of considerable violence which
can cause personal injury or property damage.