Panasonic TH-75EQ1W (serv.man2) Service Manual ▷ View online
DIS-1
SECTION
2
SECTION 2 DISASSEMBLY PROCEDURES
CONTENTS
1. Parts Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-2
1.1. Electrical parts location (P.C. Modules)
2. Parts Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-3
Disassembly flow chart
2.1. Preparations
2.2. Rear cover removal
2.3. A module removal
2.4. P module removal
2.5. AC inlet removal
2.6. DRIVE module removal
2.7. LCD panel module removal
2.8. KEY module and IR module removal
2.9. SPEAKER removal
2.10. Wiring connections
2.11. Tape sticking procedure
2.1. Preparations
2.2. Rear cover removal
2.3. A module removal
2.4. P module removal
2.5. AC inlet removal
2.6. DRIVE module removal
2.7. LCD panel module removal
2.8. KEY module and IR module removal
2.9. SPEAKER removal
2.10. Wiring connections
2.11. Tape sticking procedure
3. Replacement of LCD Panel Module . . . . . . . . . . . . . . . . . . . . . . . . . . DIS-17
3.1. How to handle LCD panel module
DIS-2
SECTION 2 DISASSEMBLY PROCEDURES
<75EQ1>
1. Parts Locations
1.1. Electrical parts location (P.C. Modules)
Module
Function
Remark
A Module
AV in, Audio in/out, DVI-D in, HDMI 1/2 in, LAN, PC
in, USB in, RS232C in, IR trough
All modules are non serviceable
and should be exchanged for
repair.
P Module
Power (AC/DC). DC-DC
FRC Module
Frame creation
IR Module
Remote receiver, LED indicator
KEY Module
Control button, Power switch
KEY MODULE
IR MODULE
A
MODULE
P MODULE
FRC
MODULE
DIS-3
SECTION 2 DISASSEMBLY PROCEDURES
<75EQ1>
2. Parts Disassembly
Disassembly flow chart
* Before Disassembling, turn the display off and disconnect the power plug from the wall outlet.
* To assemble, reverse the disassembly procedures.
* When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling.
2.4. P module removal
2.2. Rear cover removal
2.3. A module removal
Completed Product
2.1. Preparations
2.7. LCD panel module removal
2.10. Wiring connections
2.11. Tape sticking procedure
2.8. KEY module and IR module removal
2.5. AC inlet removal
2.9. SPEAKER removal
2.6. FRC module removal
DIS-4
SECTION 2 DISASSEMBLY PROCEDURES
<75EQ1>
2.1. Preparations
• When you exchange modules or board, in order to make it discharge from an electrolytic condenser, please wait for 1 minute
after the power supply end.
• To avoid damaging the LCD panel, lay out a soft cloth or towel, and turn the front of the unit down, and lay down so that the
entire monitor rides on a table completely.
Note: When local pressure is surppressed, Mura of the picture image may be seen. In this case ,please carry out aging by
burn in mode. (Refer to INF.8 in the SECTION 1)
Precautions when replacing each component
• When you replace each component, please be sure to carry out following procedure as below.
• Be careful not to overtighten the screws when replacing each module.
• Please remove a clamper and a wire processing tape if needed in the repair.
23
TH-50LFC70U/TH-50LFC70W
7.2. Preparations
• When you exchange modules or board, in order to make it
discharge from an electrolytic condenser, please wait for 1
minute after the power supply end.
minute after the power supply end.
• To avoid damaging the LCD panel, lay out a soft cloth or
towel, and turn the front of the unit down, and lay down so
that the entire monitor rides on a table completely.
that the entire monitor rides on a table completely.
Precautions when replacing each component
• When you replace each component, please be sure to carry
out following procedure as below.
• Be careful not to overtighten the screws when replacing
each module.
• Please remove a clamper and a wire processing tape if
needed in the repaire.
• In carrying out Section 7.7. or later, please execute the
Chapter 7.6. and 7.5. in advance.
7.3. Replacement of WI-FI Module
(Dongle)
1. Remove the screw and then remove the WI-FI Module
(Dongle).
Soft cloth and Towel
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