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KP-43T70C/53SV70C/61SV70C
RM-Y906 RM-Y906 RM-Y906
(CAUTION)
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.
TABLE OF CONTENTS
Section Title Page
–––––– –––– ––––
Section Title Page
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SELF DIAGNOSIS FUNCTION............................................ 4
1. GENERAL
Remote Control ....................................................................... 7
Precautions .............................................................................. 8
Installing and Connecting the Projection TV.......................... 8
Basic Set Up .......................................................................... 12
Using Your New Projection TV ............................................ 14
Adjusting Your SET UP (menus) .......................................... 16
Operating Video Equipment .................................................. 22
Operating a Cable Box .......................................................... 23
Troubleshooting .................................................................... 23
2. DISASSEMBLY
2-1. Rear Board Removal ................................................. 25
2-2. Chassis Assy Removal .............................................. 25
2-3. Service Position......................................................... 25
2-4. HA Board and HB Board Removal
(Except KP-43T70C) ................................................ 25
2-5. HA Board and HB Board Removal(KP-43T70C)..... 26
2-6. Mirror Cover Removal .............................................. 26
2-7. Beznet Assy Removal ............................................... 26
2-8. HC Board and S Board Removal .............................. 26
2-9. A, G and FA Boards Removal ................................... 27
2-10. Picture Tube Removal ............................................... 27
2-11. High-Voltage Cable Installation and Removal.......... 27
3. SET-UP ADJUSTMENTS
3-1. Screen Voltage Adjustment (Rough Alignment) ....... 28
3-2. Focus Lens Adjustment ............................................. 28
3-3. Screen (G2) Adjustment ............................................ 28
3-4. Focus VR Adjustment ............................................... 28
3-5. Deflection York Tilt Adjustment ............................... 29
3-6. 2-Pole Magnet Adjustment (Green, Red) .................. 29
3-7. 4-Pole Magnet Adjustment........................................ 29
3-8. Defocus Adjustment (Blue)....................................... 29
3-9. Electrical Adjustment by Remote Commander ......... 30
3-10. Registration Adjustment ............................................ 35
3-11. Auto Registration Error Code List ............................ 38
4. SAFETY RELATED ADJUSTMENTS
4-1. HV Regulation Circuit Check and Adjustment ......... 39
4-2. HV Hold Down Circuit Operation and Adjustment .. 39
4-3. +B Max Voltage Confirmation .................................. 39
4-4. +B OVP Confirmation .............................................. 40
5. CIRCUIT ADJUSTMENTS
5-1. TV Input Sub Contrast Adjustment
(VPNT-SCON) .......................................................... 41
5-2. Video Input Sub-HUE and Sub-Color Adjustment
(VPNT-SHUE, SCOL) .............................................. 41
5-3. Component Input Sub-HUE and SubColorAdjustment
(DAC-UVSH, UVSC) ............................................... 41
5-4. P & P Sub Contrast Adjustment (SC-SYDR)............ 41
5-5. Sub-HUE, Sub-Color and Main Contrast Adjustment
(MC-MYDR, MSHU, MSCL, SC-SSHU, SSCL) .... 42
5-6. Bar Display Position Adjustment (OP-DISP) ........... 42
5-7. PIP Position Adjustment (PI-PIPH, PIPV)................ 42
7. DIAGRAMS
6-1. Block Diagram (1)..................................................... 43
Block Diagram (2)..................................................... 45
Block Diagram (3)..................................................... 51
Block Diagram (4)..................................................... 55
Block Diagram (5)..................................................... 57
6-2. Frame Schematic Diagram ........................................ 61
6-3. Circuit Boards Location ............................................ 64
6-4. Printed Wiring Boards and Schematic Diagrams ...... 64
• A (1/3)Board ........................................................... 65
• A (2/3)Board ........................................................... 69
• A (3/3)Board ........................................................... 73
• G Board................................................................... 81
• CG Board ................................................................ 88
• CR Board ................................................................ 88
• CB Board ................................................................ 89
• HA Board ................................................................ 91
• HC Board ................................................................ 91
• HB Board ................................................................ 92
• FA Board ................................................................. 93
6-5. Semiconductors ......................................................... 94
7. EXPLODED VIEWS
7-1. Cover (KP-43T70C) .................................................. 96
7-2. Cover (Except KP-43T70C)...................................... 97
7-3. Chassis (KP-43T70C) ............................................... 98
7-4. Chassis (Except KP-43T70C) ................................... 99
7-5. Picture Tube ............................................................ 100
8. ELECTRICAL PARTS LIST ................................. 101
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.