Sony KLV-23M1 Service Manual ▷ View online
KLV-23M1 (UC) 5
TABLE OF CONTENTS
1. DISASSEMBLY ............................................. 1-1
1-1.
STAND REMOVAL .......................................... 1-1
1-2.
REAR CABINET ASSY REMOVAL ............... 1-1
1-3.
G1 AND PB BOARDS REMOVAL ................. 1-2
1-4.
U1 BOARD REMOVAL ................................... 1-2
1-5.
P AND TU BOARDS REMOVAL ................... 1-3
1-6.
A1 AND B BOARDS REMOVAL ................... 1-3
1-7.
LCD PANEL REMOVAL ................................. 1-4
1-8.
H1 BOARD REMOVAL ................................... 1-5
1-9.
H2 BOARD REMOVAL ................................... 1-5
2. ADJUSTMENT .............................................. 2-1
2-1.
AGING ............................................................... 2-1
2-1-1. Aging setting .................................................. 2-1
2-1-2. Aging conditions ............................................ 2-1
2-2.
Measurement equipment .................................... 2-1
2-3.
ADJUSTMENT OF SIGNAL LEVEL .............. 2-1
2-3-1. Check AD calibration registration items ....... 2-1
2-3-2. Y Level/COLOR adjustment of
component input ............................................. 2-1
2-3-3. Y Level/COLOR adjustment of HDMI input
2-2
2-3-4. Y Level/COLOR adjustment of Video input
(by using a jig) ............................................... 2-2
2-3-5. Y Level/COLOR adjustment of RF input ..... 2-2
2-4.
WHITE BALANCE ADJUSTMENT ................ 2-2
2-4-1. White balance adjustment of color
temperature “Cool” ........................................ 2-2
2-4-2. White balance adjustment of color
temperature “Neutral” .................................... 2-3
2-4-3. White balance adjustment of color
temperature “Warm” ...................................... 2-3
3. DIAGRAMS ................................................... 3-1
3-1.
BLOCK DIAGRAMS ........................................ 3-1
3-2.
FRAME DIAGRAMS ........................................ 3-8
3-3.
CIRCUIT BOARDS LOCATION ..................... 3-9
3-4.
SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS ........................ 3-9
(1)
Schematic Diagrams of A1 Board ................. 3-10
(2)
Schematic Diagrams of B Board ................... 3-14
(3)
Schematic Diagrams of G1 Board ................. 3-22
(4)
Schematic Diagram of H1, H2 and
PB Boards ....................................................... 3-23
(5)
Schematic Diagrams of P Board .................... 3-24
(6)
Schematic Diagrams of TU Board ................ 3-26
(7)
Schematic Diagrams of U1 Board ................. 3-27
3-5.
SEMICONDUCTORS ....................................... 3-28
4. EXPLODED VIEWS ...................................... 4-1
4-1.
CABINET ASSY AND STAND ....................... 4-2
4-2.
CHASSIS-1 ........................................................ 4-3
4-3.
CHASSIS-2 ........................................................ 4-4
4-4.
BEZEL ASSY .................................................... 4-5
4-5.
PACKING MATERIALS .................................. 4-6
5. ELECTRICAL PARTS LIST ......................... 5-1
KLV-23M1 (UC) 1-1
1-1. STAND REMOVAL
SECTION 1
DISASSEMBLY
1-2. REAR CABINET ASSY REMOVAL
1
Two screws
(+PSW 3x10)
3
Six screws
(+PSW 4x16)
2
Hinge cover
4
Stand
1
Seven screws
(+BVTP 4x14)
2
Cabinet assy
KLV-23M1 (UC) 1-2
1-3. G1 AND PB BOARDS REMOVAL
1-4. U1 BOARD REMOVAL
1
Five screws
(+BVTT 3x6)
3
Two screws
(+BVTT 3x6)
2
G1 board
4
PB board
1
Two screws
(+BVTT 3x6)
Coaching clip
Coaching clip
5
Two screws
(+BVTT 3x6)
4
Screw
(M3x10) P,SW(+)
2
Nut, Washer hexagon
6
Terminal Bracket (A)
7
U1 board
3
Connection cord
KLV-23M1 (UC) 1-3
1-5. P AND TU BOARDS REMOVAL
1-6. A1 AND B BOARDS REMOVAL
1
Four screws
(+BVTT 4x8)
3
Two screws
(+B),FIXED
qa
Five screws
(+BVTT 4x8)
4
Two screws
(+BVTT 3x6)
6
Two screws
(+PSW 3x8)
9
Three screws
(+BVTT 3x6)
0
HDMI bracket
5
Screw (+B),FIXED
8
P board
7
P shield (Lower)
qd
Screw
(M3x10) P,SW(+)
qf
Screw
(+BVTT 3x6)
qg
Tuner bracket
2
VESA bracket
qs
Hinge bracket
qh
TU board
Radiation sheet (A)
Insulating
bushing (P)
bushing (P)
1
Four screws
(+BVTT 3x6)
6
Two screws
(+BVTT 3x6)
5
Screw
(+BVTT 3x6)
9
Two screws
(+BVTP 3x10)
4
Two screws
(M3x10) P,SW(+)
7
Screw
(M3x10) P,SW(+)
8
Tuner bracket support
Insulating bushing (P)
3
B board
qa
A1 board
0
Terminal bracket B
2
Connector assy 25pin
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