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 ASSY REMOVAL .................. 1-2 1-4. QU BOARD REMOVAL .................................. 1-3 1-5. QM AND QT BOARDS REMOVAL ............... 1-3 1-6. A2FU, DE1, DIC3 AND M1U BOARDS REMOVAL ....................................... 1-4 1-7. A1U, H2, P AND QH BOARDS REMOVAL ............................................................................ 1-4 1-8. G1, G2F AND K BOARDS REMOVAL .......... 1-5 1-9. F AND H1U 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) A2FU (1/2) BOARD ......................................... 3-2 (3) A2FU (2/2) AND H4 BOARDS ....................... 3-3 (4) DE1 BOARD .................................................... 3-4 (5) DIC3 BOARD ................................................... 3-5 (6) F AND G1 BOARD .......................................... 3-6 (7) G2F 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 A2FU 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 G2F 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 K Board .................... 3-44 (12) Schematic Diagrams of M1U Board ............. 3-46 (13) Schematic Diagram of P Board ..................... 3-55 (14) Schematic Diagram of QH Board .................. 3-54 (15) Schematic Diagrams of QM Board ............... 3-55 (16) Schematic Diagrams of QT Board ................ 3-60 (17) Schematic Diagram of QU Board .................. 3-63 3-5. SEMICONDUCTORS ....................................... 3-64 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