Canon LBP-2000 Service Manual page 119

2 . Removing the video controller PCB
1) Remove the rear cover. (See I-A-6 'Remov-
ing the Rear Cover.')
2) Remove the connector cover [1].
3) Disconnect the connector [2] and the flex-
ible cable [3] from the back of the PCB.
[2]
[3]
Figure 3-2-4
4) Remove the 7 screws [4], and detach the
video controller PCB [5].
[4]
[5]
Figure 3-2-5
Caution: If the video controller PCB must
be replaced, be sure to transfer the
following from the old to new PCB:
1 . Option
DIMM
2 . EEP-ROM (2 pc.; IC4, IC5)
5) If the video controller PCB is replaced the
old to the new PCB, execute the copy
operation of counter at values service
menu. (See VII-C Copying the Counter
Readings in Chapter 4)
[1]
RAM DIMM/ROM
3 . Remove the RAM DIMM/ROM DIMM
(option)
The RAM/ROM is found as follows:
Option ROM / P-ROM slot
Extension RAM slot
Figure 3-2-6
1) Taking care not to touch the elements,
push down the socket lever [1]; then, re-
move the RAM DIMM [2] or the ROM
DIMM [3].
[2]
[3]
Figure 3-2-7
CHAPTER 3
[1]
[1]
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