Zenith ZVM-133-TC Service Manual page 4

3-1 : Light Pipe Assembly ...................... 3-8
4-22: Video Output Board Schematic ............ 4-27
4-1: AC Leakage Voltmeter Circuit .............. 4-1
4-2: Adjustments - Monitor Rear View .......... 4-6
4·3: Main Board Adjustments ................... 4-7
4-23: Logic Board Component Location .......... 4-28
4-24: Logic Board Waveforms .................. 4-28
4-25: Logic Board Schematic ................... 4-29
4-26: X-Axis and Y-Axis LED Carrier Schematic ... 4-30
4·4: High Voltage and Sweep BoardlWidth Step Board
Adjustments ............................. 4-8
4-5: LED Strobe Pulses (TP1) ................. 4-10
4-27: Primary Control Board Component Location . . 4-30
4-28: Primary Control Board Schematic .......... 4-30
4-6: Installation of Plastic Grid ................. 4-17
4-7: 595-4177 (30-1166) Plastic Grid Overlay
6-1 : Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
(full-size) ............................... 4-18
4-8: Block Diagram .......................... 4-19
Tables
4-9: RGB Gain Control Board Component Location
and Waveforms ......................... 4-20
4-10: RGB Gain Control Board Schematic ........ 4-21
4-11: Main Board Component Location . . . . . . . . . . . 4-22
4-1: General Troubleshooting ................... 4-3
4-2: Logic Board Transistor Voltages ........... 4-13
4-3: S101 Settings ........................... 4-14
4-12: Main Board Waveforms ................... 4-22
4-13: Main Board Schematic ................... 4-23
6-1 : Monitor Major Assembly Parts List .......... 6-1
6-2: Cable Assemblies Parts List ................ 6-4
4-14: High Voltage and Horizontal Sweep Board Component
6-3: A-13336 Parts List ........................ 6-4
Location ............................... 4-24
6-4: 9-227-07 Parts List ....................... 6-7
4-15: High Voltage and Horizontal Sweep Board
6-5: 9-247-08 Parts List ...................... 6-12
Waveforms ............................. 4-24
6-6: A-10530 Parts List ....................... 6-14
4-16: High Voltage and Horizontal Sweep Board
6-7: A-11105 Parts List ....................... 6-14
Schematic .............................. 4-25
6-8: A-10632-03 Parts List .................... 6-15
4-17: High Voltage Power Supply Component
6-9: 9-155-12 Parts List ...................... 6-15
Location ............................... 4-26
6-10: 9-356 Parts List ......................... 6-17
4-18: Width Step Board Component Location ..... 4-26
4-19: Width Step Board Schematic .............. 4-26
4-20: Video Output Board Component Location .... 4-27
4-21: Video Output Board Waveforms ............ 4-27
Listings
4-1: BasiC Color Bar Program ................. 4-10
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