Sony KDL-22EX350 Service Manual ▷ View online
KDL-22EX350 13
SECTION 3 - FLOW CHARTS AND DIAGRAMS
NO VIDEO
No Video
Backlights
turned on?
Unplug LVDS
connector at
TCON while unit
is running. This
may need to be
done more than
once
Any flashes
seen on
screen?
Yes
No
Any OSD
graphics
present?
No
Main Board*
No
LCD Panel*
Yes
Yes
Main Board*
LCD Panel*
NO VIDEO FLOWCHART
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
KDL-22EX350 14
SECTION 3 - FLOW CHARTS AND DIAGRAMS
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper of
missing colors?
Yes
Main Board*
No
Vertical lines
or bars?
No
Yes
Lines move
when wide-mode
changed?
Yes
No
LCD Panel*
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
LCD Panel*
VIDEO DISTORTION FLOWCHART
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
KDL-22EX350
15
Components not identified by a part number or
description are not stocked because they are seldom
required for routine service.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
TABLE-TOP STAND AND REAR COVER REMOVAL
A Gently place the LCD TV face down onto a soft cloth and remove 3 screws from the bottom of Table-Top Stand.
B To avoid damaging the AC Power Supply Cord, remove the screw from the AC Cover and disconnect the AC Power
Cord.
C Remove the remaining screws from the Rear Cover.
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
1
4-420-103-01
REAR COVER (22IRSF)
[2]
2
4-421-636-01
BRACKET, VESA (22IRSF)
3
4-421-635-01
AC COVER (22IRSF)
4
1-839-679-11
CORD, POWER (WITH CONNECTOR)
5
4-420-106-01
STAND (22IRSF)
6
2-580-608-11
SCREW, +PSW M5X16
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV.
CAUTION: These screws cannot be used to secure the TV to the Wall
Mount Brackets.
D Gently hold down the Rear Cover from the center, then carefully lift the Rear Cover from the bottom.Cover opening.
3
4
1
2
6
5
KDL-22EX350
16
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
MAIN BOARD (A) AND POWER SUPPLY BOARD (GE22) REMOVAL
A Detach the Side Bracket from A Board.
B Remove screws and disconnect connectors from A Board.
C Remove screws and disconnect connectors from GE22 Board.
D Slide-out Left and Right Speakers, then disconnect connectors.
E Release clips and disconnect connector from H Board.
F Lift up Switch Unit and disconnect connector.
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
51
4-419-886-01
COVER, SIDE JACK (IRSF)
52
1-895-264-11
A BOARD, COMPLETE
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION
53
1-895-183-11
H BOARD, MOUNTED
54
1-858-795-11
LOUD SPEAKER L (30X100MM)
55
1-858-795-21
LOUD SPEAKER R (30X100MM)
56
1-489-986-11
SWITCH UNIT
57
1-895-265-11
GE22 BOARD, COMPLETE
E
D
C
A
F
B
53
54
55
57
51
56
52
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