1. Check for bad solderinq connections
      a. diagram and pictures of bad connections
      b. explanation of thermal expansion problems
  2. Schematic sources
     a. sources
     b. Computer Vision address disk
  3. Bridqe testinq and diode replacement
      a. diode testing in and out of circuit
      b. analog meter vs. dvm
  4. Dc voltaqe at filter capacitors
       a. checking voltages on power supply caps
       b. testing electrolytics for value and leakage
  5. Requlator operation
       a. opens, shorts, and normal voltage difference
  6. PWM (pulse width modulator ) operation and testinq
       a. oscillator frequency ( two different types covered )
       b. effects of opens and shorts on output frequency
  7. Switching transistor testinq and operation
        a. testing in and out of circuit
        b. generic tests step by step
  8. H.V. testing
        a. Horizontal deflection circuit operation
        b. neon bulb test for typical HV
        c. HV probe and typical values
  9. Troubleshootinq a typical P.W.M. system (3842 system )
        a. circuit operation
        b. voltage and waveform tests and step
  10. Parts substitution quidelines
        a. OEM sources
        b. replacement sources, intemet sources(Harris)
  11. Symptoms and solutions( 3 examples )   Created by: Computer Vision
                                                                                           6905 Indian Bay Rd.
                                                                                            Montague, Mich. 49437
                                                                                            #231-894-5269