Philips 107B7 User Manuals

Table of Contents

• Table Of Contents

  1
• 7-1.Noraster,CRT relative circuit problems

  28
• Revision List

  2
• 7-2. Abnormal displays

  30
• 7-3 No blanking

  31
• 1. Specifications

  4
• 7-4 Hor./OSC/DEF/HV circuit fault

  31
• 2. Precaution and notices

  7
• 7-5. Abnormal horizontal deflection

  32
• 2-1Safety precautions

  7
• 7-6. Abnormal vertical scanning

  33
• 2-2 Product safety notice

  7
• 7-7. Side-pin cushion distortion

  33
• 2-3 Service Notices

  7
• 7-8. Poor focus

  33
• 2-4 High voltage warning

  8
• 7-9. Power supply trouble shooting chart

  35
• 3. Operating Instructions

  9
• 8. Mechanical of cabinet front dis-assembly

  35
• 4. Adjustment

  10
• 4 -1. Adjustment conditions and precautions

  10
• 10. Different parts list

  47
• 4-2. Main adjustments

  10
• 11 Block diagram

  48
• 4-3 Adjustment methods

  13
• 12 IC block diagrams

  49
• 4-4 DDC Instructions

  17
• 13 PCB layout

  55
• 5.Circuit description

  22
• 13-1 Main PCB layout

  55
• 5-1.Micro controller and deflection circuit

  22
• 13-2. CRPC board layout

  56
• 5-2.Transistor & diode circuit

  24
• 14. Schematic diagram

  57
• 6.Mechanical Instructions

  25
• 15. General Product Specification

  61
• 7.Trouble shooting chart

  28