Method Of Disassembly - NEC PX-50XM4 series Service Manual

METHOD OF DISASSEMBLY

(Caution) 1. Before disassembly, turn power off the main unit and pull out the power plug from the wall outlet.
CLASS A: PX-50XM4J, 50XM4A, CLASS B: PX-50XR4A, 50XR4W, 50XR4G
1. Outlined method of disassembly
The outlined procedures for the disassembly of the major parts
In regard to the details of disassembly, cautions, etc., refer to the method of replacement for each part [page indicated in ( )].
SET
STAND
(with a STAND)
(P7-2)
Modifications
of a STAND
(P7-12)
SET
(without a STAND)
* Modification means that the screws are
mounted or removed.
2. Use a screwdriver with a fitting size. Otherwise, the screw threads may be damaged.
3. Reassembly can be carried out in the reverse order for disassembly. Refer to the disassembly procedures and
forward reassembly in the reverse order.
4. The order for taking out the parts (or components) is indicated by the foregoing numeral that is attached to the
name of each part.
5. The wire connector symbol is indicated by two digits of Marking
6. Class A or Class B in the text is applicable to the models specified below.
BACK COVER
(P7-3~7-4)
Modifications of
*
a BACK COVER *
(P7-13)
BACK COVER
(P7-3)
. Read CN-
are shown below (disassembled in the direction of
CHASSIS ASSY PDP
(P7-5)
(P7-6~7-7)
FRONT PANEL
(P7-11)
BUTTON COVER
(P7-10)
CONTROL BUTTON
(P7-10)
TERMINAL PANEL M SUB ASSY
(P7-14)
TERMINAL PANEL S
(P7-17)
POWER BUTTON COVER
(P7-18)
TERMINAL PANEL B SUB ASSY
(P7-19)
POWER UNIT SENB PWB
(P7-23)
(P7-22)
SENCPWB
SEND PWB
(P7-23) (P7-23)
7-1
when examining the table of parts.
).
BRACKET FILTER
(P7-8)
(P7-8~7-9)
SUB FRONT
(P7-10)
LED PWB
(P7-8)
CTL PWB
(P7-8)
MAIN PWB
TERMINAL PANEL M
(P7-15)
CCD PWB
232C PWB
(P7-17)
PWR PWB
POWER BUTTON
(P7-18)
(P7-18)
TERMINAL PANEL B AUDIO PWB
(P7-20~7-21)
(P7-20~7-21)
FAN
AC INLET
(P7-23)
(P7-20~7-21)
CONFIDENTIAL
FILTER
(P7-15)
(P7-16)