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KDE-W50A10 (K) 4
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, WOOFER BLOCK ASSY REMOVAL
............................................................................ 1-2
1-3.
REAR COVER REMOVAL .............................. 1-2
1-4.
POD-HOST CERT, D-CABLE READY
REMOVAL ........................................................ 1-3
1-5.
QM AND QT BOARDS REMOVAL ............... 1-3
1-6.
DE3, DIC3, J1NU, J2NU AND M1U
BOARDS REMOVAL ....................................... 1-4
1-7.
A1U, A2NU AND P BOARDS REMOVAL .... 1-4
1-8.
G1 AND G2N BOARDS REMOVAL .............. 1-5
1-9.
F AND K BOARDS REMOVAL ...................... 1-5
1-10. H1U BOARD REMOVAL ................................ 1-6
1-11. H2 AND QH BOARDS REMOVAL ................ 1-6
1-12. PLASMA DISPLAY PANEL
ASSY REMOVAL ............................................. 1-7
1-13. H3 AND H4 BOARDS REMOVAL ................. 1-8
1-14. H5 BOARD REMOVAL ................................... 1-8
2. ADJUSTMENTS ........................................... 2-1
2-1.
SERVICE MODE ............................................... 2-1
2-2.
SERVICE MODE LIST ..................................... 2-1
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)
DE3 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 BOARD ................................................... 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 Diagram of F Board ..................... 3-22
(4)
Schematic Diagram of G1 Board .................. 3-23
(5)
Schematic Diagrams of G2N Board .............. 3-26
(6)
Schematic Diagram of H1U and H2 Boards
........................................................................ 3-29
(7)
Schematic Diagram of H3 and H4 Boards
........................................................................ 3-30
(8)
Schematic Diagram of H5 Board .................. 3-31
(9)
Schematic Diagram of QH Board .................. 3-32
3-5.
SEMICONDUCTORS ....................................... 3-33
4. EXPLODED VIEWS ...................................... 4-1
4-1.
REAR COVER ASSY AND STAND ............... 4-2
4-2.
CHASSIS-1 ........................................................ 4-3
4-3.
CHASSIS-2 ........................................................ 4-4
4-4.
CHASSIS-3 ........................................................ 4-5
4-5.
CHASSIS-4 ........................................................ 4-6
4-6.
PACKING MATERIALS .................................. 4-7
5. ELECTRICAL PARTS LIST ........................ 5-1
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