Optical Unit10

2.4. DISASSEMBLY METHOD OF OPTICAL UNIT ... 11

3 ADJUSTMENT PROCEDURES 13

3.1. INITIAL GUIDE LINE 13

3.2. TEST EQUIPMENT 13

3.3. HOW TO READ THE ADJUSTMENT PROCEDURES 15

3.4. ADJUSTMENT PROCEDURES 15

4 TROUBLESHOOTING HINTS 22

5 SCHEMATIC DIAGRAM 26

5.1. SCHEMATIC DIAGRAM NOTES 26

5.2. BLOCK DIAGRAM 27

5.3. INTERCONNECTION SCHEMATIC DIAGRAM .. 28

5.4. DIGITAL SECTION SCHEMATIC

DIAGRAM (MAIN PWB) V-LSEP3030D1 30

5.5. LCD DRIVE SECTION SCHEMATIC DIAGRAM (MAIN PWB) V-LSEP3030D1 32

5.6. RGB/VIDEO SECTION SCHEMATIC DIAGRAM (MAIN PWB) V-LSEP3030D1 34

Contents

5.7. POWER/AUDIO SECTION SCHEMATIC DIAGRAM (MAIN PWB) V-LSEP3030D1 36

5.8. AD/DA/TG SECTION SCHEMATIC

DIAGRAM (MAIN PWB) V-LSEP3030D1 38

5.9. IO/ROM SECTION SCHEMATIC

DIAGRAM (MAIN PWB) V-LSEP3030D1 40

5.10. OPERATION SCHEMATIC DIAGRAM (V-LESP0A34A1) 42

5.11. THERMISTOR SCHEMATIC DIAGRAM (V-LSEP0A35A1) 42

5.12. OPERATION PWB (V-LESP0A34A1) 43

5.13. THERMISTOR PWB (V-LSEP0A35A1) 43

5.14. MAIN PWB (V-LSEP3030D1) 44

6 VOLTAGE CHART 48

6.1. DIGITAL SECTION VOLTAGE CHART 48

6.2. LCD DRIVE SECTION VOLTAGE CHART 48

6.3. RGB/VIDEO SECTION VOLTAGE CHART 49

6.4. POWER/AUDIO SECTION VOLTAGE CHART 49

6.5. AD/DA/TG SECTION VOLTAGE CHART 50

6.6. IO/ROM SECTION VOLTAGE CHART 50

7 WAVEFORM 51

8 PARTS LIST 52

8.1. BOTTOM CASE SECTION 52

8.2. TOP CHASSIS SECTION 53

8.3. OPTICAL BLOCK SECTION 54

8.4. TOP COVER SECTION 55

8.5. FRONT COVER SECTION 56

8.6. PACKING SECTION 57

8.7. ASSEMBLY PARTS LIST 58

LX-P1010ZU/ZE

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