Cabinet Disassembly Instructions - Sharp LC-20AV7U Service Manual

CABINET DISASSEMBLY INSTRUCTIONS

NOTE: CBA AND PWB MEANS PRINTED WIRING
BOARD.
[ LC-20AV7U ]
1. Disassembly Flowchart
This flowchart indicates the disassembly steps for the
cabinet parts, and the CBA in order to gain access to
item(s) to be serviced. When reassembling, follow the
steps in reverse order. Bend, route and dress the
cables as they were.
[5] Function CBA
[4] Rear Cabinet
[12] Junction-A
CBA
[13] Junction-B
[6] Tilt Stand
CBA
Holder
[14] Speaker (s) [8] Jack Holder
[9] DTV Module
CBA Unit
[10] Main CBA
[11] LCD Module
[15] Front Cabinet
2. Disassembly Method
Step/
Loc. Part
Fig.
No.
No.
[1] Base Plate D1 4(S-1), 7(S-2)
Stand Arm
[2] D1 6(S-3)
Assembly
Stand
[3] D1 ---------------
Cover
Rear
[4] D1 9(S-4), (S-5), (S-6)
Cabinet
Function D2
[5] 5(S-7), *CL1107
CBA D3
Tilt Stand
[6] D2 2(S-8)
Holder
[1] Base Plate
[2] Stand Arm
Assembly
[3] Stand Cover
[7] IR Sensor
CBA
Removal
Remove/*Unhook/
Unlock/Release/
Note
Unplug/Unclamp/
Desolder
---
---
---
---
---
---
Step/
Loc. Part
Fig.
No.
No.
IR Sensor D2
[7]
CBA D3
[8] Jack Holder D2 (S-10)
DTV
D2
[9] Module
D3
CBA Unit
D2
[10] Main CBA
D3
LCD
[11] D2 11(S-12)
Module
Junction-A
[12] D2 Desolder
CBA
Junction-B
[13] D2 Desolder
CBA
[14] Speaker (s) D2
Front
[15] D2 ---------------
Cabinet
↓ ↓ ↓
(1) (2) (3)
Note:
(1) Order of steps in procedure. When reassembling,
follow the steps in reverse order. These numbers
are also used as the Identification (location) No. of
parts in figures.
(2) Parts to be removed or installed.
(3) Fig. No. showing procedure of part location
(4) Identification of parts to be removed, unhooked,
unlocked, released, unplugged, unclamped, or
desoldered.
P = Spring, L = Locking Tab, S = Screw,
CN = Connector
* = Unhook, Unlock, Release, Unplug, or Desolder
e.g. 2(S-2) = two Screws (S-2),
2(L-2) = two Locking Tabs (L-2)
(5) Refer to the following "Reference Notes in the
Table."
4-1
Removal
Remove/*Unhook/
Unlock/Release/
Note
Unplug/Unclamp/
Desolder
(S-9), *CL1104 ---
---
8(S-11), *CL801,
*CL802, *CN61,
*CN62, *CN401,
---
*CN402, *CN403,
*CN1201, *CN1202,
Module PCB Holder
--------------- ---
---
---
---
4(S-13), Speaker
---
Holder (s)
---
↓
(4) (5)
A7144_45DC
↓