Sony KDF-42E2000 Service Manual ▷ View online
KDF-42E2000
KDF-42E2000
14
SECTION 1: DISASSEMBLY
1-1. OVERVIEW
The connectors in this chassis have been redesigned to ensure they are securely fasten to the boards. Please review the illustra-
tions below.
tions below.
TOOLS NEEDED
Long Phillips Screwdriver
Needle Nose Pliers
Small Flathead Screwdriver or Jewelers Screwdriver
Long Phillips Screwdriver
Needle Nose Pliers
Small Flathead Screwdriver or Jewelers Screwdriver
LIFT ONE SIDE AT A TIME
BY PUSHING TAB IN WITH
SMALL SCREWDRIVER
TYPE 1
TYPE 2
SQUEEZE DOWN ON
TAB TO RELEASE
SQUEEZE LOCKING TAB
TOWARDS CONNECTOR
BEFORE PULLING FREE
TYPE 3
CAUTION! IF THE TYPE 2 FEMALE
CONNECTOR HAS A SLOT (AS SHOWN)
MAKE SURE THE LOCK TAB SEATS INSIDE
THIS SLOT.
Use caution not to rock the Type 2 or Type 3 connectors when removing or reinstalling to avoid breaking the solder leads off the
Printed Circuit Boards.
Printed Circuit Boards.
KDF-42E2000
KDF-42E2000
15
3
Lamp door
1
2
1-2. REAR COVER REMOVAL
Lamp door
Turn the handle until it is in
the CLOSE position
the CLOSE position
Lamp door
When reassembling the rear cover, be sure to securely lock
the lamp door to avoid a lamp cover failure warning.
the lamp door to avoid a lamp cover failure warning.
1
Pull down the claw to release the Lamp Door
2
Remove the Lamp Door
3
Remove 11 screws (+BVTP2 4X16)
to remove the Rear Cover
KDF-42E2000
KDF-42E2000
16
1-3. CHASSIS REMOVAL AND SERVICE POSITION
3
1
4
2
5
6
7
8
1
Remove 2 screws to release the Left Stay
2
Disconnect CN8400 from U Board
3
Disconnect CN2500 from K Board
4
Release wires from purse locks
5
Gently pull chassis out towards the right of the TV to access
connectors on B Block Assembly.
6
Disconnect CN308 and CN3750 on B Block Assembly
7
Release connectors from Wire Holders
8
Remove 4 screws to release the G Board
9
Remove 6 screws to detach Metal Shield from G Board
Using the picture above as a reference, disconnect CN6018,
CN6801, CN6804, CN6803, CN6800, CN6805, CN6900,
CN6901, CN6009, CN6002, CN6904, and CN6010.
CN6801, CN6804, CN6803, CN6800, CN6805, CN6900,
CN6901, CN6009, CN6002, CN6904, and CN6010.
1-4. G BOARD REMOVAL
KDF-42E2000
KDF-42E2000
17
1-5. B BLOCK ASSEMBLY, A BLOCK ASSEMBLY, ANTENNA,
U BOARD AND K BOARD REMOVAL
1
Remove 6 screws and 2 hexagon washers to release the
Terminal Bracket from the U Board.
On the U Board, disconnect CN8400 then using a fl at
head screw driver gently release the CN3006 connector
from the B Board to remove the U Board.
head screw driver gently release the CN3006 connector
from the B Board to remove the U Board.
2
Disconnect the coaxial cable to release the antenna
switch. Remove 3 screws then gently lift the A Block
Assembly up to disconnect CN1002 from the B Block
Assembly.
Assembly up to disconnect CN1002 from the B Block
Assembly.
3
Using caution remove the LVDS cable from the B Board,
then remove 1 screw (connecting the B Block Assy & K
Board to the Main Bracket) and lift up on the tab of the
Main Bracket to release the B Block Assembly.
Board to the Main Bracket) and lift up on the tab of the
Main Bracket to release the B Block Assembly.
4
Using tweezers gently pinch the fan dampers to release
the fan.
5
On the K Board, disconnect CN2502 then remove 1
screw to release the K Board. Gently pull the K Board out
of the Main Bracket.
of the Main Bracket.
2
5
4
1
3
A Block Assembly
LVDS Connection
B Block Assembly
U Board
K Board
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