Sony VPL-PX32 Service Manual page 4

2-6. Adjustments in Replacement of Prism and Optical Unit ............................ 2-6
2-7. Adjustment Item Initialize Data .................................................................. 2-7
3. Theory of Operation
3-1. BA Board .................................................................................................... 3-1
3-2. BB Board ..................................................................................................... 3-3
3-3. BC Board ..................................................................................................... 3-4
3-4. C Board ....................................................................................................... 3-5
3-5. Y Board ....................................................................................................... 3-6
3-6. Description of QA Board Operations ........................................................ 3-10
3-7. Description of QB Board Circuit Operations ............................................ 3-12
3-8. Description of QC Board Circuit Operations ............................................ 3-13
3-9. Description of QD Board Circuit Operations ............................................ 3-14
3-10. Description of K Board Circuit Operations .............................................. 3-14
3-11. Description of KS Board Circuit Operations ............................................ 3-14
3-12. Voltage Map of F, GA, GB, GC and GD Boards ..................................... 3-15
2
2-5-3. Component W/B HIGH Adjustment .......................................... 2-5
2-5-4. Component W/B LOW Adjustment ........................................... 2-5
2-6-1. V COM Adjustment ................................................................... 2-6
2-6-2. Polarization Plate Adjustment .................................................... 2-6
2-6-3. 3D GAMMA Adjustment (Outline) .......................................... 2-6
2-6-4. 3D GAMMA Adjustments ......................................................... 2-6
3-1-1. Main IC Functions ...................................................................... 3-1
3-1-2. Signal Path ................................................................................. 3-1
3-1-3. Path of SYNC Processing .......................................................... 3-2
3-1-4. Clamp Pulse Generation Circuit ................................................. 3-2
3-4-1. Timing Generator ....................................................................... 3-5
3-4-2. LCD Driver Control Pulse ......................................................... 3-5
3-5-1. Microprocessor peripheral circuit .............................................. 3-6
3-5-2. USB Circuit ................................................................................ 3-7
3-5-3. Memory ...................................................................................... 3-8
3-5-4. Terminal Functions of MAIN CPU ............................................ 3-9
3-6-1. Switching of Video Signals ...................................................... 3-10
3-6-2. Switching of Audio Signals ..................................................... 3-11
3-6-3. Monitoring of the USB Power Supply ..................................... 3-11
3-7-1. INPUT A Input ......................................................................... 3-12
3-7-2. DDC Memory ........................................................................... 3-12
3-7-3. INPUT A Mouse Driver ........................................................... 3-12
3-8-1. INPUT B Inputs ....................................................................... 3-13
3-8-2. DDC Memory ........................................................................... 3-13
3-8-3. INPUT A Mouse Driver ........................................................... 3-13
3-9-1. RS-232C Communication ........................................................ 3-14
3-9-2. Reception of Remote Control Signals ...................................... 3-14
3-9-3. Video Input ............................................................................... 3-14
VPL-PX32