CONTENTS... 2004 Models LCD Projection Television Information

INSTRUCTOR… Alvie Rodgers C.E.T. (Chamblee, GA.)

Nov 2004 (ver b) Training Materials Prepared by: ALVIE RODGERS C.E.T.

MODEL CHASSIS

42V710 LC47K 50V710 LC47 60V710 LC47B 50V715 LC47 60V715 LC47B 50VS810 LC48 60VS810 LC48B 70VS810 LC48B 50VX915 LC49 60VX915 LC49B 70VX915 LC49B

32HDL51 PCL1 Backlit LCD

50-60-70VS810-VX915 LCD-PROJECTION

TRAINING 2004

MODEL RELEASE LCD PROJECTION

TELEVISION

2

3

•Chassis Assembly

•Optical Engine Assembly

•Top Assembly

LC-48 - 50VS810This Document contains information related to the

Disassembly Procedures for;

4

Chassis Assembly

•Power PWB

•Digital PWB

•HDMI PWB

•Tuner PWB

LC-48 - 50VS810

Disassembly Procedures

3

Remove Lower Rear Cover - 24 Screws

Lower Rear Cover removed

4

Left Side View

Left Side, Close up

Input 5

Factory Use Only

5

Left Rear View

Center Rear View

6

Right Rear View

Right Side, Close up

Lamp Fan Lamp

Ass’y

7

Right Side, Close up

Lamp Door switch

Chassis Assembly pulled back (L)

8

Chassis Assembly pulled back (R)

Pay close attention to the wiring dress!

9

Cables removed from the Signal PWB (7)

Right Side Cables

10

Right Side, Signal PWB Cables removed (4)

Right Side, Power PWB Cables removed (7)

11

Main ChassisRemoved

PWB Layout

Power PWB

HDMI PWB

Digital PWB

Signal PWB

Tuner PWB

12

Power PWB removal, two screws here….

Power PWB removal, two more screws here.

13

Power PWB removal, three latches

Power PWB removedNote: These plugs are interchangeable. Make sure the correct cable goes where it should.

14

Digital PWB removal, three screws on the top…

Digital PWB removal, one more screw in the back

15

Digital PWB removal, unsolder the ground tabs (2)

Digital PWB, Close up of the ground tabs

16

When removing the Digital PWB, pull very hard, as you must force the latches to let go.

HDMI PWB removal, unsolder the ground tabs (5)

17

HDMI PWB removal, Close up of the ground tabs

As with the Digital PWB, when removing the HDMI PWB pull very hard, as you must force the latches to remove it.

18

Remove the screws securing the Tuner PWB retaining bracket, one in the back….

…the other screw on the top.

19

Tuner PWB with retaining bracket removed

Unplug the Antenna Switch unit…

20

Tuner PWB removal, two latches

Signal PWB

21

HDMI PWB

Digital PWB

Signal PWB

Tuner PWB

Power PWB

Re-assemble in reverse order

1

•Chassis Assembly ?•Optical Engine Assembly•Top Assembly

LC-48 - 50VS810Disassembly Procedures

2

•Chassis Assembly ?•Optical Engine Assembly

•Rear Support Bracket•IR Sub PWB•Fan PWB•Lamp Power PWB•Lamp Ballast PWB•Optical Engine

•Top Assembly

LC-48 - 50VS810Disassembly Procedures

23

Remove Lower Rear Cover - 24 Screws

Remove Rear Support Bracket

Lower Rear Cover removed

24

Rear Support Bracket removal.

6 screws

Rear Support Bracket removed

Remove Chassis

25

Chassis removed

Remove Sub-IR, Fan, Lamp Power, and Lamp Ballast PWBs

IR-Sub PWB

Fan PWB

26

1 connector3 connectors

1 screw

IR-Sub PWB & Fan PWB Removal

Lamp Power PWB

27

1 screw

2 wire wraps

2 connectors

Lamp Power PWB Removal

Lamp Ballast PWB

28

2 connectors

2 screws

Lamp Ballast PWB Removal

Lamp Plug Wire Connector

Retaining Bracket

Lamp Ballast PWB Removal

29

Lamp Ballast PWB removed

IR Sub PWB removedFan PWB removed

Lamp Power PWB removedLamp Ballast PWB removed

Remove Right Frame Support* (incl. Fan Mount)

1 screw

* Pay attention to wiring dress

30

Right Frame Support removed

Remove Fan Exhaust Duct (tab in the back, slides out to right)

3 screws

Fan Exhaust Duct removed

Cables removed

31

Ass’t cables

IR Sub PWB

Fan PWB

Lamp Power PWB

Lamp Ballast PWB

Fan ass’y

Fan Duct

Parts removed prior to Optical Engine removal (pay attention to wiring dress)

Remove Optical Engine* (slides out to right)

* Pay attention to wiring dress

5 screws

32

Re-assemble in reverse order

33

1

•Chassis Assembly ?•Optical Engine Assembly ?•Top Assembly

LC-48 - 50VS810Disassembly Procedures

2

•Chassis Assembly ?•Optical Engine Assembly ?•Top Assembly

•Upper Rear Cover Assembly•Mirror•Sub Woofers

•Front Assembly•Main Speakers•LED PWB•Screen Assembly

LC-48 - 50VS810Disassembly Procedures

35

Remove Lower Rear Cover - 24 Screws

Remove Rear Support Bracket

Lower Rear Cover removed

36

Rear Support Bracket removal.

6 screws

Remove Input 5 Block

2 screws

Close up left side

Disconnect Left Side Sub-Woofer cable (red/blue)

37

Disconnect Right Side Sub-Woofer cable (red/brown)

Remove Top Assembly (20 screws)

38

60” Has Additional 2 Screws

1 on the Rear Left1 on the Opposite Side

60” Has Additional 2 ScrewsBack Cover removed for Clarity.

39

Remove Top Back Assembly off, pull up & back

Internal View of Top Assembly

Sub Woofer Ports

Mirror

Sub Woofers

40

Close up left side

Remove left side screws (3)

Close up left side

3 screws removed

Slide bar towards left

41

Close up right side

Remove Fan Exhaust Duct - (3 screws, tab in back)

Close up right side

Remove right side screws (3)

42

3 screws removed

Slide bar towards right

Close up right side

When both sides have the 3 screws removed, and the locking bar shifted outwards, the frame assembly will be loose. Pull frame outwards from front.

Frame Assembly removed

LED PWB

Main Speakers

Screen Assembly (16 screws)

43

Re-assemble in reverse order

•Chassis Assembly ?•Optical Engine Assembly ?•Top Assembly ?

LC-48 - 50VS810

Disassembly Procedures Complete

33