– 3 –
KV-EF34M31/EF34M61/EF34M80/EF34M90/EF34M91
RM-951
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
...............................
4
1. GENERAL
.......................................................................
8
2. DISASSEMBLY
2-1.
Rear Panel Removal ................................................ 30
2-2.
Speaker Box Removal ............................................. 30
2-3.
Chassis Assy Removal ............................................ 30
2-4.
Service Position ....................................................... 30
2-5.
D1 and DH Boards Removal .................................. 31
2-6.
J1 Board and RF Splitter Removal ......................... 31
2-7.
V1 and P Boards Removal ...................................... 32
2-8.
A and B Boards Removal ........................................ 32
2-9.
H1 Board Removal .................................................. 32
2-10. Demagnetization Coil Removal .............................. 32
2-11. Top Switch Removal ............................................... 33
2-12. Picture Tube Removal ............................................. 33
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing Adjustment ...................................... 35
3-2.
Convergence Adjustment ........................................ 36
3-3.
Focus Adjustment .................................................... 38
3-4.
Neck Assy Twist Adjustment .................................. 38
3-5.
G2 (Screen) and White Blance Adjustment ............ 39
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments with Commander ............................... 40
4-2.
Adjustment Method ................................................. 41
4-3.
Picture Quality Adjustments ................................... 48
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................ 49
4-5.
Picture Distortion Adjustment ................................. 50
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagrams ....................................................... 51
5-2.
Frame Schematic Diagram ...................................... 61
5-3
Circuit Boards Location .......................................... 65
5-4.
Schematic Diagrams and Printed Wiring Boards ... 65
(1)
Schematic Diagram of A Board .............................. 66
(2)
Schematic Diagram of B Board .............................. 77
(3)
Schematic Diagram of P Board ............................... 85
(4)
Schematic Diagrams of D2 and J1 Boards ............ 91
(5)
Schematic Diagrams of H1 and F Boards .............. 95
(6)
Schematic Diagrams of DH and VM2 Boards ....... 99
(7)
Schematic Diagrams of C and B4 Boards .............. 103
(8)
Schematic Diagram of V1 Board ............................ 107
5-5.
Semiconductors ....................................................... 110
6. EXPLODED VIEWS
6-1.
Picture Tube ............................................................. 112
6-2.
Chassis ..................................................................... 113
7. ELECTRICAL PARTS LIST
...................................... 114