31.5" LCD Monitor
Dell S3221QS
Service
Service
Service
Simplified
1
1. Exploded view diagram with list of items
3
No. Description
Q’ty
1
1
2
PANEL
DECO_BEZEL
BEZEL_BTM
SPONGE
1
3
1
4
1
5
MIDDLE_FRAME
KEY BOARD
KEY
1
7
1
8
1
9
KEY_POWER
CONVERTER BOARD
MAIN BOARD
ADAPTER BOARD
MAINFRAME
SPEAKER
1
10
11
13
15
18
21
22
23
24
25
27
28
29
1
1
1
1
1
No. Part No.
Description
Q’ty
12
12
1
Latch NA
1
6
Q01G6019
1
SCREW(MIDDLEFRAME/DECO BEZEL)
SCREW D3 6(MAIN BOARD/POWER BOARD/MAINFRAME)
SPRING
2
12
14
16
17
19
20
26
0D1G1030 6120
STAND_BUTTON
BKT_HINGE
REAR_COVER
stand ass'y
1
QM1G38400601200ARA SCREW -- 6mm(POWER BOARD/MAINFRAME)
1
0M1G3030 4120
0M1G3030 4120
0Q1G2030 6120
0Q1G2030 6120
0M1G2940 10125
SCREW 3 4(MAINFRAME/PANEL)
4
1
SCREW 3 4 (MIDDLEFRAME/PANEL)
SCREW M3 6(SPEAKER/PANEL)
15
4
1
BASE_ASS’Y
LOGO DELL
1
SCREW M3 6(LATCH/REAR COVER)
SCREW M4 10(REAR COVER/MAINFRAME)
3
1
4
4
2. Wiring connectivity diagram
Connector Ass’y PN:
Connector Ass’y PN:
Connector Ass’y PN:
395GH20007DM120HPF
395G176Q01067000HF
395G176W01067300HF
This Connector welding in Connector Ass’y PN:
Key Board
395G179X51N52700HF
Connector Ass’y PN:
395G076Q00852700HF
5
3.Mechanical Instruction
Tools Required
List the type and size of the tools that would typically can be used to disassemble the product to a point
where components and materials requiring selective treatment can be removed.
Tool Description:
- Phillip head Screwdriver
- Hex Screwdriver
- Penknife
6
3.1 Disassembly Procedures:
Step
Figure
Remark
Turn off power,
S1.Before
Unplug external cables
from product
disassemble
Push the button to
remove the stand-base
assy.
S2.Remove the
STAND-BASE
ASS’Y
Use a Philips-head
screwdriver to
remove 4 screws for
unlocking
mechanisms.
S3.Remove the
REAR COVER
(No.1~4 screw
size=M4x10; Torque:
12±2kgf.cm)
7
Use Penknife to
separate the bezel and
rear cove follow the
arrows in sequence,
then you can take out
rear cover.
Tear off 5 pieces of
aluminum foil and 2
pieces of tapes.
Disconnect the lamp
cable from the
connectors of the
power board and panel
module. Use a
S4.Tear off the
tapes
Philips-head
screwdriver to remove
4 screws for unlocking
the speakers.
(No.1~4 Screw
size=M3x6, Torque:
4±1kgf.cm)
8
Remove the Mylar. Use
a Philips-head
screwdriver to remove
12 screws for unlocking
the main board and the
adapter board
(No.1~11 screw
size=D3x6, Torque:
6±1kgf.cm)
S5.Remove main
board and power
board
(No.12 screw size=M4x6,
Torque: 6±1kgf.cm)
Disconnect all of the
cables
Use a Philips-head
screwdriver to remove
15 screws for unlocking
the middle plastic bezel
with the whole unit, and
then remove the middle
plastic bezel carefully.
(No.1~15 screw
S6.Remove the
bezel and panel
size=M3x4,
Torque=3±0.5kgfxcm)
9
Use a Philips-head
screwdriver to remove 3
screws to remove the
key board.
S7.Remove the
key board
(No.1~3 screw
size=M6x19,
Torque=0.9±0.4kgf.cm)
Use a Philips-head
screwdriver to remove 7
screws for unlocking the
BEZEL_BTM and the
Panel.
S8. Remove the
BEZEL_BTM
(No.1~7 screw
size=M6x19,
Torque=0.9±0.4kgf.cm)
10
3.2 Assembly Procedures:
Step
Figure
Remark
Use a Philips-head
screwdriver to tighten 7
screws for locking the
BEZEL_BTM and the
Panel.
S1.Assembly the
BEZEL_BTM
(No.1~7 screw
size=M6x19,
Torque=0.9±0.4kgf.cm)
Use a Philips-head
screwdriver to tighten 3
screws to locking the key
S2.Assembly the
KEY BOARD
board.
(No.1~3 screw
size=M6x19,
Torque=0.9±0.4kgf.cm)
Use a Philips-head
screwdriver to tighten
15 screws for locking
the middle plastic bezel
with the whole unit, and
then remove the middle
plastic bezel carefully.
(No.1~15 screw
S3.Assembly the
Bezel and panel
size=M3x4,
Torque=3±0.5kgfxcm)
11
Use a Philips-head
screwdriver to tighten
12 screws for locking
the main board and the
adapter board
(No.1~11 screw
size=D3x6, Torque:
6±1kgf.cm)
S4. Assembly the
MAIN board and
power board
(No.12 screw size=M4x6,
Torque: 6±1kgf.cm)
Connect all of the cables
And pasted the mylar
sheet
Connect the lamp
cable from the
connectors of the
power board and panel
module.
Use a Philips-head
screwdriver to tighten
4 screws for locking
the speakers.
S5. Connect the
FFC cable ,Pasted
the TAPEs
(No.1~4 Screw
size=M3x6, Torque:
4±1kgf.cm)
12
Pasted 5 pieces of
aluminum foil and 2
pieces of tapes.
Use a Philips-head
screwdriver to tighten 4
screws for locking
mechanisms.
S6.Assembly the
Rear cover
(No.1~4 screw
size=M4x10; Torque:
12±2kgf.cm)
S7.Assembly the
Stand
13
4. Trouble shooting instructions
14
15
16
17
18
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