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KV-BT21N40/BT21N50/BT21N80
RM-W151
RM-W150
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION .............................. 3
1. DISASSEMBLY
1-1. Rear Cover Removal ................................................. 6
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal .............................................. 6
1-4. Service Position ........................................................ 6
1-5. Terminal Bracket Removal ....................................... 6
1-6. A Board Removal ...................................................... 6
1-7. Picture Tube Removal ............................................... 7
1-2. Speaker Removal ...................................................... 6
1-3. Chassis Assy Removal .............................................. 6
1-4. Service Position ........................................................ 6
1-5. Terminal Bracket Removal ....................................... 6
1-6. A Board Removal ...................................................... 6
1-7. Picture Tube Removal ............................................... 7
2. SET-UP ADJUSTMENTS
2-1. Beam Landing ........................................................... 8
2-2. Convergence .............................................................. 9
2-3. Focus Adjustment .................................................... 11
2-4. G2 (SCREEN) Adjustments ................................... 11
2-5 White Balance Adjustment ..................................... 11
2-6 Sub Bright Adjustment ........................................... 11
2-2. Convergence .............................................................. 9
2-3. Focus Adjustment .................................................... 11
2-4. G2 (SCREEN) Adjustments ................................... 11
2-5 White Balance Adjustment ..................................... 11
2-6 Sub Bright Adjustment ........................................... 11
3. CIRCUIT ADJUSTMENTS
3-1. Adjustment With Commander ................................ 12
3-2. Adjustment Method ................................................ 13
3-3. Picture Quality Adjustment .................................... 28
3-4. Deflection Adjustment ............................................ 28
3-5. Drive Adjustment .................................................... 29
3-6. Picture Distortion Adjustment ................................ 30
3-2. Adjustment Method ................................................ 13
3-3. Picture Quality Adjustment .................................... 28
3-4. Deflection Adjustment ............................................ 28
3-5. Drive Adjustment .................................................... 29
3-6. Picture Distortion Adjustment ................................ 30
Section
Title
Page
Section
Title
Page
4. DIAGRAMS
4-1. Block Diagram ........................................................ 31
4-2. Circuit Boards Location .......................................... 32
4-3. Schematic Diagram ................................................. 32
4-2. Circuit Boards Location .......................................... 32
4-3. Schematic Diagram ................................................. 32
4-3-1. C Board Schematic Diagram ....................... 33
4-3-2. A Board — Processor (Block A) ................. 34
4-3-3. A Board — Audio (Block B) ....................... 36
4-3-4. A Board — Power Supply (Block C) .......... 38
4-3-5. A Board — Deflection (Block D) ................ 40
4-3-6. A Board — Tuner (Block E) ........................ 42
4-3-7. A Board — Jack (Block F) .......................... 44
4-3-2. A Board — Processor (Block A) ................. 34
4-3-3. A Board — Audio (Block B) ....................... 36
4-3-4. A Board — Power Supply (Block C) .......... 38
4-3-5. A Board — Deflection (Block D) ................ 40
4-3-6. A Board — Tuner (Block E) ........................ 42
4-3-7. A Board — Jack (Block F) .......................... 44
4-4. Voltage Measurement and Waveforms ................... 48
4-5. Printed Wiring Boards and Parts Location ............. 51
4-6. Semiconductors ....................................................... 54
4-5. Printed Wiring Boards and Parts Location ............. 51
4-6. Semiconductors ....................................................... 54
5. EXPLODED VIEWS
5-1. Chassis ..................................................................... 56
6. ELECTRICAL PARTS LIST .................................... 57
OPERATING INSTRUCTION
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