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KV-PG14M40/PG14M72/L/N KV-PG14P42/G/L/N/PG14P70 RM-952 TABLE OF CONTENTS Section Title Page Section SELF DIAGNOSTIC FUNCTION ................................... 4 1. GENERAL ................................................................. 7 2. DISASSEMBLY 2-1. Rear Cover Removal ............................................... 11 2-2. Speaker Removal .................................................... 11 2-3. Chassis Assy Removal ............................................ 11 2-4. F Board Removal .................................................... 11 2-5. Service Position ...................................................... 11 2-6. Terminal Bracket Removal ..................................... 11 2-7. Replacement Of Parts ............................................. 12 2-7-1. Replacement Of Light Guide ....................... 12 2-7-2. Replacement Of Power Button .................... 12 2-8. Picture Tube Removal ............................................. 12 Title Page 5. DIAGRAMS 5-1. Block Diagram ........................................................ 27 5-2. Circuit Boards Location .......................................... 29 5-3. Schematic Diagram ................................................. 30 (1) Schematic Diagram of A Board ........................ 31 (2) Schematic Diagram of C and F Boards ............ 33 (3) Schematic Diagram of A3 Board ...................... 35 5-4. Voltage Measurement ............................................. 39 5-5. Waveforms .............................................................. 41 5-6. Printed Wiring Boards and Parts Location ............. 42 5-7. Semiconductors ....................................................... 45 6. EXPLODED VIEWS 6-1. Picture Tube and Chassis ........................................ 47 7. ELECTRICAL PARTS LIST .................................... 49 3. SET-UP ADJUSTMENTS 3-1. Beam Landing ......................................................... 14 3-2. Convergence ............................................................ 15 3-3. Focus Adjustment .................................................... 17 3-4. G2 (SCREEN) and White Balance Adjustments ... 17 4. CIRCUIT ADJUSTMENTS 4-1. Adjustment With Commander ................................ 18 4-2. Adjustment Method ................................................ 18 4-3. Picture Quality Adjustment .................................... 24 4-4. Deflection Adjustment ............................................ 24 4-5. A Board Adjustment After IC003 (MEMORY) Replacement ............................................................ 24 4-6. Picture Distortion Adjustment ................................ 25 –3–