Yamaha NX-C430 Service Manual download pdf (Page 7)

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KP-48V80/53V80/61V80

RM-Y905

RM-Y905RM-Y905

TABLE OF CONTENTS

Section Title Page

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Section Title Page

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SELF DIAGNOSIS FUNCTION ............................................ 4

1. GENERAL

Using This Manual .................................................................. 9

Precautions .............................................................................. 9

Installing and Connecting the Projection TV .......................... 9

Basic Set Up .......................................................................... 17

Using Your New Projection TV ............................................ 18

Adjusting Your SET UP (menus) .......................................... 22

Operating Video Equipment .................................................. 33

Operating a Cable Box or Satellite Receiver (SAT).............. 34

Troubleshooting .................................................................... 35

2. DISASSEMBLY

2-1. Rear Board Removal ................................................. 36

2-2. Chassis Assy Removal .............................................. 36

2-3. Service Position ......................................................... 36

2-4. HA Board and HB Board Removal ........................... 36

2-5. Mirror Cover Removal .............................................. 37

2-6. Beznet Assy Removal ............................................... 37

2-7. HC Board and S Board Removal .............................. 37

2-8. U Board and Terminal Board Removal ..................... 37

2-9. A Board and G Board Removal ................................ 38

2-10. Picture Tube Removal ............................................... 38

2-11. High-Voltage Cable Installation and Removal .......... 38

3. SET-UP ADJUSTMENTS

3-1. Screen Voltage Adjustment (Rough Alignment) ....... 39

3-2. Focus Lens Adjustment ............................................. 39

3-3. Screen (G2) Adjustment ............................................ 39

3-4. Focus VR Adjustment ............................................... 39

3-5. Deflection York Tilt Adjustment ............................... 40

3-6. “2-Pole Magnet Adjustment (Green, Red)” .............. 40

3-7. 4-Pole Magnet Adjustment ........................................ 40

3-8. Defocus Adjustment (Blue) ....................................... 40

3-9. Electrical Adjustment by Remote Commander ......... 41

3-10. Registration Adjustment ............................................ 46

3-11. Auto Registration Error Code List ............................ 49

4. SAFETY RELATED ADJUSTMENTS

4-1. HV Regulation Circuit Check and Adjustment ......... 51

4-2. HV Hold Down Circuit Operation and Adjustment .. 51

4-3. +B Max Voltage Confirmation .................................. 51

4-4. +B OVP Confirmation .............................................. 52

5. CIRCUIT ADJUSTMENTS

5-1. TV Input Sub Contrast Adjustment

(VPNT-SCON) .......................................................... 53

5-2. “Video Input Sub-HUE and Sub-Color Adjustment .....

(VPNT-SHUE, SCOL)” ............................................ 53

5-3. “Component Input Sub-HUE and Sub-Color ................

Adjustment (DAC-UVSH, UVSC)”........................ 53

5-4. P & P Sub Contrast Adjustment (SC-SYDR) ............ 53

5-5. “Sub-HUE, Sub-Color and Main Contrast Adjustment”

“(MC-MYDR, MSHU, MSCL, SC-SSHU, SSCL)”. 54

5-6. Bar Display Position Adjustment (OP-DISP) ........... 54

5-7. “PIP Acquisition Area Adjustment

(PP-MAHP, SAHP)” ................................................. 54

5-8. Display Position for Channel Index Mode

(CCDCCHP) ............................................................. 54

7. EXPLODED VIEWS

6-1. Block Diagram (1)..................................................... 55

Block Diagram (2)..................................................... 57

Block Diagram (3)..................................................... 59

Block Diagram (4)..................................................... 63

Block Diagram (5)..................................................... 67

Block Diagram (6)..................................................... 69

6-2. Frame Schematic Diagram ........................................ 71

6-3. Circuit Boards Location ............................................ 74

6-4. Printed Wiring Boards and Schematic Diagrams ...... 74

• A (1/3)Board ........................................................... 75

• A (2/3)Board ........................................................... 79

• A (3/3)Board ........................................................... 83

• G Board ................................................................... 91

• U Board ................................................................. 101

• CG Board .............................................................. 105

• CR Board .............................................................. 106

• CB Board .............................................................. 107

• HA Board .............................................................. 109

• HC Board .............................................................. 109

• HB Board .............................................................. 110

6-5. Semiconductors ....................................................... 111

7. EXPLODED VIEWS

7-1. Cover (KP-48V80) .................................................. 113

7-2. Cover (KP-53V80/61V80) ...................................... 114

7-3. Chassis..................................................................... 115

7-4. Picture Tube ............................................................ 116

8. ELECTRICAL PARTS LIST ..................................117

1 2 3 4 5 6 7 8 9 10 11 12 ... 107 108

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