Sony VPH-G90E, Service Manual

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2 VPH-G90E/G90U/G90M
3. SET-UP ADJUSTMENTS
3-1. PRECAUTIONS UPON ADJUSTMENT ..................................................... 3-1
3-2. ATTACHING THE NECK ASSEMBLY ...................................................... 3-1
3-3. ADJUSTING CONDITIONS ......................................................................... 3-1
3-3-1. Projecting System ................................................................................... 3-1
3-3-2. CRT Convergence Angle Check ............................................................ 3-2
3-4. FOCUS ADJUSTMENT ................................................................................ 3-3
3-4-1. Preparations ............................................................................................ 3-3
3-4-2. Focus Rough Adjustment ....................................................................... 3-3
3-4-3. DY Angle Adjustment ............................................................................ 3-4
3-4-4. MG FOCUS Coil Angle Adjustment ..................................................... 3-5
3-4-5. 64 kHz Signal Registration Rough Adjustment ..................................... 3-6
3-4-6. RED/GREEN/BLUE Focus Adjustment ................................................ 3-7
3-4-7. Zenith Angle Adjustment ....................................................................... 3-8
3-4-8. HWC (H Width Coil) Adjustment .......................................................... 3-9
3-4-9. Video Size Adjustment ........................................................................... 3-9
3-4-10. MG FOCUS Adjustment for 31.5 kHz Signal ...................................... 3-10
3-4-11. VIDEO Block MG FOCUS Adjustment .............................................. 3-11
3-4-12. MG FOCUS Adjustment for 64 kHz and 106 kHzSignals ................... 3-11
3-4-13. Adjustment of Other Frequencies ......................................................... 3-11
3-5. REGISTRATION ADJUSTMENT .............................................................. 3-12
3-5-1. INPUT MEMORY No. 0 Adjustment .................................................. 3-12
3-5-2. INPUT MEMORY No. 3 Adjustment .................................................. 3-13
3-5-3. INPUT MEMORY No. 5 Adjustment .................................................. 3-13
3-5-4. INPUT MEMORY No. 8 Adjustment .................................................. 3-14
3-5-5. Horizontal/Vertical Reverse Mode Centering Adjustment .................. 3-14
3-6. WHITE BALANCE ADJUSTMENT .......................................................... 3-15
3-6-1. Preparations .......................................................................................... 3-15
3-6-2. Color Temperature Adjustment with a Test Signal Generator ............. 3-16
3-6-3. Color Temperature Adjustment with No Test Signal Generator .......... 3-18
3-7. SIZE/SHIFT BLKG ADJUSTMENT .......................................................... 3-18
3-7-1. SIZE/SHIFT/BLKG of Video/HDTV Adjustment .............................. 3-18
3-7-2. Video Memory SIZE/SHIFT/BLKG Adjustments ............................... 3-19
3-8. HIGH VOLTAGE SCREEN DISTORTION ADJUSTMENT .................... 3-19
3-9. PROCEDURE AFTER COMPLETING ADJUSTMENTS ........................ 3-19
4. SAFETY RELATED ADJUSTMENT
4-1. PA BOARD HV REGULATOR/HV PROTECTOR ADJUSTMENT ......... 4-1
4-2. CRT PROTECTOR ADJUSTMENT ............................................................. 4-2