– 3 –
KV-G21MW3/G21QW3
RM-869
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION .................................. 4
1. GENERAL .................................................................... 5
2. DISASSEMBLY
2-1. Rear Cover Removal............................................ 10
2-2. A Board Removal ................................................ 10
2-3. Service Position ................................................... 10
2-4. Replacement of Parts ........................................... 11
2-4-1. Replacement of Multi Button .................................... 11
2-4-2. Replacement of Light Guide ..................................... 11
2-5. Terminal Board Bracket Removal ....................... 11
2-6. Demagnetization Coil Removal .......................... 11
2-7. Picture Tube Removal.......................................... 12
3. SET-UP ADJUSTMENTS
3-1. Beam Landing ...................................................... 13
3-2. Convergence......................................................... 14
3-3. Focus Adjustment ................................................ 15
3-4. Remote Commander Adjustment ........................ 16
3-5. G2 (Screen) and White Balance Adjustments ..... 16
4. CIRCUIT ADJUSTMENTS
4-1. Adjustments with Commander ............................ 17
4-2. Adjustment Method ............................................. 18
4-3. A Board Adjustment after IC003 (Memory)
Replacement......................................................... 23
4-4. Picture Distortion Adjustment ............................. 23
5. DIAGRAMS
5-1. Block Diagram ...................................................... 25
5-2. Circuit Boards Location ....................................... 28
5-3. Schematic Diagrams and Printed Wiring Boards 28
(1) Schematic Diagram of A Board ........................... 33
(2) Schematic Diagram of C Board ........................... 37
5-4. Semiconductors..................................................... 41
6. EXPLODED VIEW
6-1. Chassis .................................................................. 43
7. ELECTRICAL PARTS LIST.................................... 45
Section Title Page Section Title Page
To Next Page
Loading...
Need help?
General