Sony KDE-50XS955 Service Manual ▷ View online
KDE-50XS955 (UC) 5
TABLE OF CONTENTS
1. DISASSEMBLY ............................................ 1-1
1-1.
SERVICE POSITION ........................................ 1-1
1-1-1. PANELS AND CAP REMOVAL ................. 1-1
1-1-2. WOOFER BLOCK REMOVAL ................... 1-1
1-1-3. REAR COVER ASSY REMOVAL .............. 1-1
1-2.
STAND REMOVAL .......................................... 1-2
1-3.
REAR COVER REMOVAL .............................. 1-2
1-4.
QU BOARD REMOVAL .................................. 1-3
1-5.
QM AND QT BOARDS REMOVAL ............... 1-3
1-6.
A2FN, DE1, DIC3 AND M1U
BOARDS REMOVAL ....................................... 1-4
1-7.
A1U, H2, P AND QH BOARDS REMOVAL .. 1-4
1-8.
H1U BOARDS REMOVAL .............................. 1-5
1-9.
F AND K BOARDS REMOVAL ...................... 1-5
1-10. PLASMA DISPLAY PANEL
ASSY REMOVAL ............................................. 1-6
1-11. H3 AND H4 BOARDS REMOVAL ................. 1-7
1-12. H5 BOARD REMOVAL ................................... 1-7
2. ADJUSTMENTS
and TROUBLESHOOTING .......................... 2-1
2-1.
WHITE BALANCE ADJUSTMENT ................ 2-1
2-1-1. Measurement equipment ................................ 2-1
2-1-2. Measuring procedure ..................................... 2-1
2-1-3. Service mode .................................................. 2-1
2-2.
TROUBLESHOOTING ..................................... 2-2
3. DIAGRAMS ................................................... 3-1
3-1.
BLOCK DIAGRAMS ........................................ 3-1
(1)
A1U AND H2 BOARDS ............................... 3-1
(2)
A2NU (1/2) AND J1NU BOARDS ............... 3-2
(3)
A2NU (2/2), H4 AND J2NU BOARDS ........ 3-3
(4)
DE1 BOARD ................................................. 3-4
(5)
DIC3 BOARD ................................................ 3-5
(6)
F AND G1 BOARDS ..................................... 3-6
(7)
G2N BOARD ................................................. 3-7
(8)
K BOARD ...................................................... 3-8
(9)
H1U, H3, H5 AND M1U BOARDS ............. 3-9
(10) P BOARD ....................................................... 3-10
(11) QH AND QM BOARDS ............................... 3-11
(12) QT AND QU BOARDS ................................. 3-12
3-2.
FRAME DIAGRAMS ........................................ 3-13
3-3.
CIRCUIT BOARDS LOCATION ..................... 3-14
3-4.
SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS ........................ 3-14
(1)
Schematic Diagrams of A1U Board .............. 3-15
(2)
Schematic Diagrams of A2NU Board ........... 3-19
(3)
Schematic Diagrams of DE1 Board .............. 3-22
(4)
Schematic Diagrams of DIC3 Board ............. 3-27
(5)
Schematic Diagram of F Board ..................... 3-34
(6)
Schematic Diagrams of G1 Board ................. 3-35
(7)
Schematic Diagrams of G2N Board .............. 3-38
(8)
Schematic Diagram of H1U and H2 Boards
........................................................................ 3-41
(9)
Schematic Diagram of H3 and H4 Boards
........................................................................ 3-42
(10) Schematic Diagram of H5 Board .................. 3-43
(11) Schematic Diagram of J1NU and J2NU Boards
........................................................................ 3-44
(12) Schematic Diagram of K Board .................... 3-45
(13) Schematic Diagrams of M1U Board ............. 3-47
(14) Schematic Diagram of P Board ..................... 3-53
(15) Schematic Diagram of QH Board .................. 3-55
(16) Schematic Diagrams of QM Board ............... 3-56
(17) Schematic Diagrams of QT Board ................ 3-61
(18) Schematic Diagram of QU Board .................. 3-64
3-5.
SEMICONDUCTORS ....................................... 3-65
4. EXPLODED VIEWS ...................................... 4-1
4-1.
REAR COVER ASSY AND STAND ............... 4-2
4-2.
CHASSIS-1 ........................................................ 4-4
4-3.
CHASSIS-2 ........................................................ 4-5
4-4.
CHASSIS-3 ........................................................ 4-6
4-5.
CHASSIS-4 ........................................................ 4-7
4-6.
PACKING MATERIALS .................................. 4-8
5. ELECTRICAL PARTS LIST ........................ 5-1
KDE-50XS955 (UC) 1-1
1-1. SERVICE POSITION
1-1-1. PANELS AND CAP REMOVAL
SECTION 1
DISASSEMBLY
1-1-2. WOOFER BLOCK REMOVAL
2
Two screws
(+BVTT 4x6)
7
Two screws
(+BVTT 4x6)
4
Screw
(+BVTP 4x10)
9
Screw
(+BVTP 4x10)
5
Cap,bottom(R)
0
Cap,bottom(L)
3
Panel(R),ornament
8
Panel(L),ornament
5
Cap,bottom(L)
1
Screw
(HOOK, M5)
6
Screw
(HOOK, M5)
2
Two screws
(+BVTP 4x10)
4
Woofer block
3
Two screws
(BUTTON HEAD 6x40)
1
Screw
(+PSW 4x10)
1
Screw
(+PSW 4x10)
1-1-3. REAR COVER ASSY REMOVAL
1
Six screws
(+PSW 5x10)
3
Two screws
(+PSW 4x6)
3
Four screws
(+PSW 4x6)
4
Twelve screws
(+BVTP 4x16)
5
Rear cover assy
3
Two screws
(+PSW 4x6)
2
Fourteen screws
(+PSW 3x6)
KDE-50XS955 (UC) 1-2
1-2. STAND REMOVAL
1-3. REAR COVER ASSY REMOVAL
1
Two screws
3
Stand
2
Four screws
(+PSW (M5))
1
Six screws
(+PSW 5x10)
3
Two screws
(+PSW 4x6)
4
Four screws
(+PSW 4x6)
5
Twelve screws
(+BVTP 4x16)
6
Rear cover assy
3
Two screws
(+PSW 4x6)
2
Fourteen screws
(+PSW 3x6)
KDE-50XS955 (UC) 1-3
1-4. QU BOARD REMOVAL
1-5. QM AND QT BOARDS REMOVAL
2
Eight screws
(+PSW 3x6)
5
Twrminal board
6
Two screws
(+PSW 3x6)
4
Two screws
(+PSW 3x8)
7
Pod cover
9
Pod assy
0
QU board
1
Two screws
(+BVTP 4x16)
3
Five screws
(+BVTP 3x12)
8
Four screws
(+PSW 3x5)
qg
Shield ATSC bottom
4
Shield ATSC top
8
Two screws
(+PSW 3x6)
6
RF cable
0
Lead wire
connector (LVDS)
qa
Cable,USB
3
Two screws
(+PSW 3x6)
qs
Four screws
(+PSW 3x6)
qd
QM board
qf
Four screws
(+PSW 3x5)
1
Four screws
(+PSW 3x6)
2
POD bracket
9
QT board
7
Connecter assy (FFC80P)
5
Connecter assy (FFC40P)
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