Sony DXC-637 - Page 3

TABLE OF CONTENTS
1. OPERATING INSTRUCTION
2. SERVICE INFORMATION
2-1. BOARD LAYOUT ......ccceseeeesceresesseessecssessesesenseneee 2-1
2-2. REMOVAL OF CABINET .......:.:cccccseeeseseeseeereeeseeees 2-1
2-3. REPLACEMENT OF MAIN PARTS..........:sscees 2-2
2-3-1. Replacement of CCD Unit .......... eee 2-2
2-4. CONNECTORS AND CABLES ..... cece eneeeeteeee 2-4
2-4-1. Connector Input/Output Signals... 2-4
2-4-2. Connection Connector ...... ccc ceceseeeeeees 2-6
2-5. FUNCTION OF SWITCHES ON PC BOARD........ 2-7
2-6. CHECK AND MAINTENANCE ........ eee eeeeeeeee 2-10
2-6-1. Video Level Check Sheet... cess 2-10
3. ALIGNMENT
3-1. PREPARATION oc ceeeeeeeceeeeeeerteeteseetetseseaeensees 3-1
3-1-1. Equipment Required 0.0.0... ccsseseseseeeeeees 3-1
3-1-2. CONMECHION wisscssivsneiscssccsecsreecteeseeencaseensooetse 3-1
3-1-3. Switch Setting before Adjustment ............... 3-2
3-1-4. Notes on Adjustment ...... cc ceeseesnereerees 3-2
3-1-5. Adjustment Item oo... cc cesseseesreeeeneereeeees 3-3
3-2. BEFORE ADJUSTMENT .......ccccseseescseseseeeereane 3-4
3-2-1. Color Bar Signal... ceeecseesesteeseeeseeeeees 3-4
3-2-2. Sensitivity Adjustment ........... cesses 3-4
3-2-3. Gamma and Gradation Measuremenrt......... 3-4
3-3. SYNC SIGNAL SYSTEM ADJUSTMENT ............ 3-5
3-3-1. Sub-Carrier Frequency Adjustment............. 3-5
3-3-2. INT SC Phase Adjustment... 3-5
3-4. ENCORDER SYSTEM ADJUSTMENT .............0 3-5
3-4-1. Carrier Balance Adjustment ............cseee 3-5
3-4-2. BARS Level Adjustment ...........cceeeseseeseeeee 3-6
3-4-3. Color Vector Adjustment.........ccccseseseseres 3-6
3-4-4. INT CB Y Adjustment... ccceeceresesreeeeees 3-7
3-4-5. COMPONENT Y Level Adjustmenrt............. 3-7
3-4-6. R-Y Level Adjustment ..........cecessesseeeseeees 3-8
3-4-7. B-Y Level Adjustment ........ cc ceeesesesseeteeseees 3-8
3-5. VIDEO PROCESS SYSTEM ADJUSTMENT....... 3-8
3-5-1. 1H/2H Gain Adjustment ..... 0. cece ceeeeeeees 3-8
3-5-2. G-ch Video Level Adjustment ..........:ccceee 3-9
3-5-3. R-ch/B-ch Video Level Adjustment.............. 3-9
3-5-4. Pedestal Level Adjustment ........... cesses 3-10
3-5-5. Gamma Balance and Gamma Set
Pre-adjuStMent 0.0.00... ceeesssessseeseeseeeeeseeees 3-10
3-5-6. R-ch/B-ch Gamma Balance
Fine Adjustment... sceesssssssesseseneeeeerees 3-11
3-5-7. Flare AdjUStMent........ccccseesseeeseeeeseeeees 3-11
3-5-8. MANU KNEE Adjustment ......... cee O12
3-5-9. DCC Adjustment 00... cc ecsesseserseeesesseeeee 3-12
3-5-10. White Clip Adjustment ....... ccc essences 3-14
3-5-11. PRE CLIP Adjustment 0.0... cccscceeseeeeeeees 3-14
3-5-12. HF Offset Adjustment ........ cee sseseeseeeeeeee 3-15
3-5-13. HF Aliasing Adjustment ..............eeteeeeeeees 3-15
3-5-14. Aperture AdjUStMent ........cc cc ceeeseeeceeeeeeee 3-16
3-5-15. Black Balance Adjustment .............ssceseeee 3-16
3-5-16. DTL Crispening/Aliasing Adjustment........... 3-17
3-5-17. DTL Limiter Adjustment ..........ccseseeceeeees 3-18
3-5-18. H/V RATIO Adjustment... eseeeereeeeeseees 3-18
3-5-19. Detail Level Adjustment ...........cseeeeeeee 3-19
DXC-637(UC)
DXC-637P(EK)
3-6. SYSTEM CONTROL SYSTEM ADJUSTMENT ... 3-19
3-6-1. Low Light Adjustment .......... eee eee 3-19
3-6-2. Auto Iris Adjustment ........ cece eeeeeeeseeeeneeee 3-20
3-6-3. Character Size Adjustment ......... cece 3-21
3-7. AUDIO SYSTEM ADJUSTMENT ......eesccceeeeeeees 3-21
3-7-1. Tone Level Adjustment ........ ccc 3-21