Emerson EWFG2705, Service Manual

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4-1 L3821DC
CABINET DISASSEMBLY INSTRUCTIONS
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.
CAUTION!
When removing the CRT, be sure to discharge the
Anode Lead of the CRT with the CRT Ground Wire
before removing the Anode Cap.
2. Disassembly Method
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."
Reference Notes in the Table
1. Removal of the Rear Cabinet: Remove screws
8(S-1), 4(S-2) and (S-3) then slide the Rear
Cabinet backward.
2. Removal of the CRT CBA: Disconnect CN1501
then pull the CRT CBA backward.
3. Removal of the Main CBA: Disconnect CN801,
CN802, CN571 and CN691 on the Main CBA then
slide the Main CBA backward.
4. Removal of the Digital CBA: Disconnect CN901
and CN902 on the Digital CBA then remove the
Digital CBA.
5. CAUTION: Discharge the Anode Lead of the CRT
with the CRT Ground Wire before removing the
Anode Cap.
Removal of the CRT: Remove screws 4(S-4) and
Anode Cap. then slide the CRT backward.
Step/
Loc.
No.
Part
Removal
Fig.
No.
Remove/*Unhook/
Unlock/Release/
Unplug/Unclamp/
Desolder
Note
[1]
Rear
Cabinet D1
D2
8(S-1), 4(S-2), (S-3) 1
[2] CRT CBA
D4
D5
CN1501 2
[3] Main CBA
D3
D5 CN801, CN802,
CN571, CN691
3
[4] Digital CBA
D3
D5
CN901, CN902 4
[5] CRT D4 4(S-4), Anode Cap 5
↓
(1)
↓
(2)
↓
(3)
↓
(4)
↓
(5)
[1] Rear Cabinet
[2] CRT CBA
[3] Main CBA [4] Digital CBA
[5] CRT