– 6 –
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
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Section
Title
Page
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––––
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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.
