Sony KP-FX43M90A, Service Manual

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KP-FX43M90A
RM-1014
TABLE OF CONTENTS
Section Title Page Section Title Page
1. SELF DIAGNOSIS FUNCTION
1-1. DIAGNOSTIC TEST INDICATORS ............... 5
1-2. DISPLAY OF STANDBY/TIMER
LIGHT FLASH COUNT ................................... 6
1-3. STOPPING THE STANDBY/TIMER FLASH 6
1-4. SELF-DIAGNOSTIC SCREEN DISPLAY ...... 7
1-5. HANDLING OF SELF-DIAGNOSTIC
SCREEN DISPLAY ........................................... 7
1-6. SELF-DIAGNOSTIC CIRCUIT ........................ 8
2. DISASSEMBLY
2-1. REAR BOARD REMOVAL ............................ 9
2-2. MAIN BRACKET REMOVAL ....................... 9
2-3. SERVICE POSITION ........................................ 9
2-4. FRONT PANEL ASSY REMOVAL ................. 10
2-5. HC, HA AND HB1 BOARDS REMOVAL ...... 10
2-6. MIRROR COVER AND BEZNET BLOCK
REMOVAL ........................................................ 11
2-7. BEZNET ASSY REMOVAL ............................ 11
2-8. TERMINAL BRACKET REMOVAL .............. 12
2-9. UG BOARD REMOVAL ................................. 12
2-10. AD, BH, DS AND MG BOARDS REMOVAL 13
2-11. A AND D BOARDS REMOVAL ..................... 13
2-12. CRT AND PWB BLOCK REMOVAL ............. 14
2-13. HIGH-VOLTAGE CABLE INSTALLATION
AND REMOVAL ............................................... 14
2-14. MECHANICAL ASSY REMOVAL ................. 15
3. SET-UP ADJUSTMENTS
3-1. SCREEN VOLTAGE ADJUSTMENT
(ROUGH ALIGNMENT) ................................. 16
3-2. SCREEN (G2) ADJUSTMENT
(FINE ADJUSTMENT) ..................................... 16
3-3. FOCUS ROUGH ADJUSTMENT .................... 16
3-4. DEFLECTION YOKE TILT ADJUSTMENT .. 16
3-5. 2-POLE and 4-POLE MAGNET
ADJUSTMENT .................................................. 17
3-5-1. Adjustment of 2-pole magnets ....................... 17
3-5-2. Green, Red, Blue adjustment of
4-pole magnets ............................................... 17
3-5-3. Blue left side dot adjustment of
2-pole Magnets ............................................... 17
3-6. BLUE DEFOCUS ADJUSTMENT ................... 17
3-7. GREEN, RED AND BLUE FOCUS
ADJUSTMENT .................................................. 17
3-7-1. Green, Red and Blue lens focus adjustment .... 17
3-7-2. Green and Red electrical focus adjustment ..... 17
3-8. ADJUSTMENTS WITH COMMANDER ........ 18
3-8-1. How to Select Each Mode ............................. 18
3-8-2. How to Enter Service Mode .......................... 18
3-8-3. Method of Cancellation from Service Mode . 19
3-8-4. How to Adjustments ...................................... 19
3-8-5. How to Write the Data ................................... 19
3-8-6. Memory Write Confirmation Method ........... 19
3-9. SERVICE LIST .................................................. 20
3-10. REGISTRATION ADJUSTMENT ................... 52
3-10-1.ADJUSTME FLOW ...................................... 52
3-10-2.Setup for Adjustment ..................................... 52
3-10-3.Method of Main Deflection Adjustment ....... 52
3-10-4.Operation Method for Projector Engine
(PJE) Mode .................................................... 53
3-10-5.Method of Projector Engine Adjustment
(Sub Deflection Adjustment) ......................... 54
3-11. AUTO CONVERGENCE SETTING ................ 57
3-12. BLUE OFFSET ADJUSTMENT ....................... 57
3-13. WHITE BALANCE ADJUSTMENT ................ 57
3-14. AUTO CONVERGENCE ERROR CODE LIST 58
4. ADJUSTMENT
4-1. HV REGULATION ADJUSTMENT
(D Board) ........................................................... 59
4-2. +B MAX VOLTAGE CONFIRMATION ........ 59
4-3. +B OVP CONFIRMATION ............................. 59
5. ELECTRICAL ADJUSTMENTS
5-1. Picture Quality Adjustment ................................ 60
5-1-1. Preparation ..................................................... 60
5-1-2. NTSC Video Input ......................................... 60
5-1-3. NTSC RF Input .............................................. 61
5-1-4. PAL Video Input (Main Picture) ................... 62
5-1-5. PAL RF Input (Main Picture) ........................ 63
6. DIAGRAMS
6-1. BLOCK DIAGRAMS ........................................ 64
6-2. FRAME SCHEMATIC DIAGRAM .................. 84
6-3. CIRCUIT BOARDS LOCATION ..................... 86
6-4. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS ........................ 87
(1) Schematic Diagrams of A Board ................... 88
(2) Schematic Diagram of AD Board .................. 96
(3) Schematic Diagrams of BH Board ................ 100
(4) Schematic Diagram of CR Board .................. 106
(5) Schematic Diagram of CB Board .................. 108
(6) Schematic Diagram of CG Board .................. 110
(7) Schematic Diagrams of D Board ................... 112
(8) Schematic Diagram of DS Board .................. 120
(9) Schematic Diagram of HA and HB1 Boards 124
(10) Schematic Diagram of HC and HMG Boards 126
(11) Schematic Diagrams of MG Board ............... 128
(12) Schematic Diagram of SR Board .................. 136
(13) Schematic Diagram of VM Board ................. 137
(14) Schematic Diagrams of UG Board ................ 138
6-5. SEMICONDUCTORS ....................................... 144