No. 51957
GM-P421U
GM-P420UG
12
[4] REMOVING THE SP TERMINAL COVER
&SHIELD COVER
*
After removing the back c over, side cover & terminal brack et.
1. Remove the
4
screws marked
!
!
!
!
as s hown in Fig.4.
2. Remove the
4
screws marked
"
"
"
"
from the sp terminal as
shown in Fig.4.
3. Remove the
4
screws marked
#
#
#
#
as s hown in Fig.4.
4. With the SP TERMINAL COVER, SP TERMINAL and
SHIELD COVER toward you.
[5] REMOVING THE BACK FRAME (L&R)
*
After removing the back c over, side cover & terminal brack et.
1. Remove the
2
screws marked
!
!
!
!
,
"
"
"
"
&
#
#
#
#
as shown in Fig.5.
2. Remove the
5
screws marked
$
$
$
$
as s hown in Fig.5.
3. Withdraw the BACK FRAME (L or R) toward you.
*
Follow the same steps when removing the other hand
BACK FRAME.
[6] REMOVING THE CHASSIS BASE
*
After removing the back c over, side cover, terminal bracket
& back frame (L/R).
1. Remove the
2
screws marked
!'
!'
!'
!'
as shown in Fig.6.
2. Withdraw the CHASIS BASE toward you.
Fig.5
A
(
×
×
×
×
2)
D
(
×
×
×
×
5)
BACK FRAME (L)
B
(
×
×
×
×
2)
POWER
SW
FRONT PANEL
(
×
×
×
×
2)
A
C
(
×
×
×
×
2)
B
(
×
×
×
×
2)
D
(
×
×
×
×
5)
C
(
×
×
×
×
2)
BACK FRAME (R)
TOP
FRONT
Fig.6
A
(
×
×
×
×
2)
SPACER
POWER SW
CHASSIS BASE
(
×
×
×
×
5)
(
×
×
×
×
5)
SPACER
FRONT PANEL
ASS’Y
TOP
PDP BLOCK
Fig.4
A
(
×
×
×
×
4)
C
(
×
×
×
×
4)
SP TERMINAL
COVER
POWER
SW
VIDEO INPUT
PWB
RGB INPUT
PWB
B
(
×
×
×
×
4)
SHIELD COVER
SP TERMINAL