1-4-8. HA Board/HB Board/L Board
Removal
1. Remove the cabinet. (Refer to Section 1-3.)
2. Remove the C board.
(Refer to steps 3 to 7 of Section 1-4-1.)
3. Remove the lamp assembly.
(Refer to steps 2 and 3 of Section 1-5-2.)
4. Remove the optical block assembly.
(Refer to step 5 of Section 1-5-3.)
5. Remove the lamp house.
(Refer to step 6 of Section 1-4-6.)
6. Remove the duct lamp assembly.
7. Remove the three screws, then remove the GA/GB unit.
8. Remove the two screws, then remove the fan holder (G).
9. Remove the HA board.
10. Remove the escutcheon (H) from the top panel
assembly.
11. Remove the four hooks, then remove the HB board.
12. Disconnect the harness from the connector (CN80) on
the HB board.
13. Remove the button (P) from the HB board.
14. Remove the L board.
15. Disconnect the harness from the connector (CN001)
on the L board.
BTP
3 x 12 (BLK)
GA/GB unit
HA board
Top panel assembly
1-10
Duct lamp assembly
BTP
3 x 12
Fan holder (G)
L board
CN001
Harness
Harness
CN80
Button (P)
Hooks
HB board
Escutcheon (H)
Installation
16. Install the HA board, HB board and L board in the
reverse order of steps 6 to 15.
17. Assemble this unit in the reverse order of steps 1 to 5.
VPL-HS50/HS51