Table Of Contents - Sony KP-XR432K90 Service Manual

Section
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SELF DIAGNOSIS FUNCTION ............................................ 3
1. SELF DIAGNOSIS FUNCTION
2. DISASSEMBLY
2-1. Rear Board Removal ................................................... 7
2-2. Chassis Assy Removal ................................................ 7
2-3. Service Position ........................................................... 7
2-4. HA and HB Board Removal ....................................... 7
2-5. Mirror Cover Removal ................................................ 8
2-6. Beznet Assy Removal .................................................. 8
2-7. HC Board Removal ..................................................... 8
2-8. A, G and FA Boards Removal ..................................... 8
2-9. Picture Tube Removal ................................................. 9
2-10. High-Voltage Cable Installation and Removal ............ 9
3. SET-UP ADJUSTMENTS
3-1. Screen Voltage Adjustment (Coarse Adjustment) ..... 10
3-2. Screen (G2) Adjustment (Fine Adjustment) .............. 10
3-3. Deflection York Tilt Adjustment ............................... 10
3-4. Focus Lens Adjustment ............................................. 10
3-5. Focus VR Adjustment ............................................... 11
3-6. 2-Pole Magnet Adjustment (Green, Red) .................. 11
3-7. 4-Pole Magnet Adjustment ........................................ 11
3-8. Defocus Adjustment (Blue) ....................................... 11
3-9. Electrical Adjustment by Remote Commander ......... 12
3-10. Registration Adjustment(PJE) ................................... 17
3-11. Auto Registration Error Code List ............................ 20
4. CIRCUIT ADJUSTMENTS
4-1. TV Input Sub Contrast Adjustment
(VPNT-SCON) .......................................................... 21
4-2. VIDEO Input Sub-HUE and Sub-Color Adjustment
(VPNT-SHUE, SCOL) .............................................. 21
4-3. Component Input Sub-HUE and Sub-Color
Adjustment (DAC-UVSH, UVSC) ........................... 21
4-4. P&P Sub Contrast Adjustment (SC-SYDR) ............. 21
4-5. Sub-HUE, Sub-Color and Main Contrast
Adjustment (MC-MYDR, MSHU, MSCL,
SC-SSHU,SSCL) ...................................................... 22
4-6. Bar Display Position Adjustment
(OP-DISP) ................................................................ 22
4-7. PIP Position Adjustment (PI-PIPH, PIPV) ................ 22
5. SAFETY RELATED ADJUSTMENTS
(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

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5-1. HV Regulation Circuit Check and Adjustment ......... 23
5-2. HV Hold Down Circuit Operation Check and
Adjustment ................................................................ 23
5-3. +B Max Voltage Confirmation .................................. 24
5-4. +B OVP Confirmation ............................................... 24
6. DIAGRAMS
6-1. Block Diagram (1) ..................................................... 25
Block Diagram (2) ..................................................... 26
Block Diagram (3) ..................................................... 27
Block Diagram (4) ..................................................... 28
Block Diagram (5) ..................................................... 29
Block Diagram (6) ..................................................... 30
Block Diagram (7) ..................................................... 31
Block Diagram (8) ..................................................... 32
6-2. Circuit Boards Location ............................................ 33
6-3. Schematic Diagrams .................................................. 33
6-4. Printed Wiring Boards ............................................... 50
6-5. Waveforns .................................................................. 56
6-6. IC Block Diagram ..................................................... 58
6-5. Semiconductors ......................................................... 62
7. EXPLODED VIEWS
7-1. Cover ......................................................................... 63
7-2. Chassis ....................................................................... 64
7-3. Picture Tube .............................................................. 65
8. ELECTRICAL PARTS LIST ................................... 66
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.
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KP-XR432K90/XR432N90
RM-Y906K
Title
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RM-Y906
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