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KV-21FA340/21FA540/29FA340/29FA540 TABLE OF CONTENTS SECTION TITLE PAGE SECTION TITLE PAGE Specifications ................................................................................. 4 SECTION 5: DIAGRAMS ..................................................................... 49 Warnings and Cautions .................................................................. 6 5-1. Circuit Boards Location ........................................................ 49 Safety Check-Out ........................................................................... 7 5-2. Printed Wiring Board and Self-Diagnostic Function................................................................. 8 Schematic Diagram Information ........................................... 49 SECTION 1: DISASSEMBLY ............................................................... 10 5-3. Block Diagrams and Schematics ......................................... 50 1-1. Rear Cover Removal............................................................ 10 Signal Flow Block Diagram .................................................. 50 1-2. Chassis Assembly Removal ................................................. 10 Audio Block Diagram............................................................ 51 1-3. Service Position ....................................................................11 A Board Schematic Diagram (1 of 2).................................... 52 1-4. Picture Tube Removal .......................................................... 12 A Board Schematic Diagram (2 of 2).................................... 53 Anode Cap Removal Procedure .......................................... 12 CV Board Schematic Diagram ............................................. 55 Cable Wire Dressing ............................................................ 13 HC Board Schematic Diagram ............................................. 56 KV-21FA340/21FA540 Models Only ................................ 13 KV-29FA340/29FA540 Models Only ................................ 21 SECTION 2: SET-UP ADJUSTMENTS................................................ 31 2-1. Beam Landing ...................................................................... 31 2-2. Convergence ........................................................................ 32 2-3. Focus ................................................................................... 33 2-4. Screen (G2).......................................................................... 34 K1 Board Schematic Diagram (1 of 2) (KV-21FA540/29FA540 Only) .......................................... 58 K1 Board Schematic Diagram (2 of 2) (KV-21FA540/29FA540 Only) .......................................... 59 K2 Board Schematic Diagram (KV-21FA340/29FA340 Only) .......................................... 60 MT Board Schematic Diagram ............................................. 62 5-4. Semiconductors ................................................................... 64 SECTION 3: SAFETY RELATED ADJUSTMENTS............................. 35 3-1. X R530, R531 Confirmation Method (HV Hold-Down Confirmation) and Readjustments........................................ 35 SECTION 6: EXPLODED VIEWS ........................................................ 65 6-1. Chassis ................................................................................ 65 3-2. B+ Voltage Confirmation and Adjustment ............................ 35 6-2. Picture Tube ......................................................................... 66 SECTION 4: CIRCUIT ADJUSTMENTS .............................................. 36 SECTION 7: ELECTRICAL PARTS LIST ........................................... 67 4-1. Remote Adjustment Buttons and Indicators ......................... 36 4-2. Accessing the Service Adjustment Mode ............................. 36 4-3. Confirming Service Adjustment Changes............................. 37 4-4. Service Data Lists ................................................................ 38 4-5. ID Map Table ........................................................................ 45 4-6. White Balance Adjustments ................................................. 46 4-7. A Board Adjustments ............................................................ 46 KV-21FA340/21FA540/29FA340/29FA540 3