No. 51957
GM-P421U
GM-P420UG
11
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
•
CAUTION
Be sure to disconnect the power c ord from the AC outlet before
disass embly and reassembly. Use care sinc e unless the power
cord is disconnec ted, some parts may still be live even when the
power switc h is off.
[1] REMOVING THE BACK COVER
1. Unplug the power c ord.
2. Remove the
11
screws marked
!
!
!
!
as s hown in Fig.1.
3. Remove the
4
screws marked
"
"
"
"
as s hown in Fig.1.
4. Slightly raise the both sides of the REAR COVER by hand
from the PDP UNIT.
[2] REMOVING THE SIDE COVER (L&R)
*
After
removing the back c over.
1. Remove the
8
screws marked
!
!
!
!
as s hown in Fig.2.
2. Remove a
screw marked
"
"
"
"
as s hown in Fig.2
3. Remove the
4
screws marked
#
#
#
#
as shown in Fig.2. And
than take off the c over.
4. Withdraw the SIDE COVER
toward you.
5. Follow the same steps when removing the other hand SIDE
COVER as shown in Fig.2.
[3] REMOVING THE TERMINAL BRACKET (L&R)
*
After
removing the back c over and side cover.
1. Remove the
3
screws marked
!
!
!
!
as s hown in Fig.3.
2. Remove the
2
screws marked
"
"
"
"
&
#
#
#
#
as s hown in Fig.3.
3. Remove the
4
retainers marked
$
$
$
$
as s hown in Fig.3.
4. Remove the
12
screws marked
%
%
%
%
as s hown in Fig.3.
5. Remove the
2
screws marked
&
&
&
&
as s hown in Fig.3.
6. Withdraw the TERMINAL BRACKET (L&R)
toward you.
Fig.1
PDP UNIT
SIDE COVER (L)
SIDE COVER (R)
A
(
×
×
×
×
11)
BACK COVER
B
(
×
×
×
×
4)
Fig.3
F
(
×
×
×
×
2)
F
(
×
×
×
×
2)
E
(
×
×
×
×
12)
D
(
×
×
×
×
4)
C
(
×
×
×
×
2)
B
(
×
×
×
×
2)
A
(
×
×
×
×
3)
PDP UNIT
TERMINAL
BRACKET (R)
POWER
KNOB
TERMINAL
BRACKET (L)
Fig.2
A
(
×
×
×
×
8)
B
(
×
×
×
×
1)
C
(
×
×
×
×
4)
A
(
×
×
×
×
8)
B
(
×
×
×
×
1)
SIDE COVER (L)
SIDE COVER (R)
TERMINAL
BRACKET (L)
SP TERMINAL
COVER
PDP UNIT
TERMINAL
BRACKET (R)
COVER