Dell 21N21E2 service manual 21PIN/AV SW

Page 28

20µs

100mV

16

20µs

1V

17

20µs

100mV

18

 

WAVEFORMS

20µs

20µs

1V

1V

21

27

 

 

 

 

 

 

20µs

 

 

2ms

 

 

1V

 

 

 

 

 

 

200mV

 

 

 

 

 

 

 

 

 

 

 

 

 

22

30

 

 

 

 

 

 

10ms

 

 

2ms

 

 

1V

 

 

 

 

 

 

200mV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

31

 

20µs

1V

19

20µs

1V

20

20µs

200mV

24

21PIN/AV SW

20µs

1V

26

DEFLECTION/CRT

10ms

1V

33

10ms

10V

34

NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

H-2

Image 28
Contents Colourtelevision Insulation Check Procedure HOW to Order PartsServicing Notices on Checking Contents General Specifications SystemA3-2 A3-3 A3-4 A3-5 Installation Disassembly InstructionsRemoval Removal and Installation of Flat Package IC B2-2 When Replacing Eeprom Memory IC Service Mode ListConfirmation of Hours Used Electrical Adjustments Constant VoltageVCO Coase L1, VCO Fine L1 AGC VoltageWhite Balance Horizontal PositionVertical Size Vertical POSITION/VERTICAL LinearityContrast Cent NO. FunctionStatic Convergence Rough Adjustment PurityStatic Convergence Dynamic ConvergenceCRT PCB Main PCBBlock Diagram Printed Circuit Boards MAIN/CRT Inserted Parts Printed Circuit Boards MAIN/CRT Chip Mounted Parts BshortSZP AB6U8O MszpV7ED7Y OB6DNXW SZP7XC7C OC8AXC6B SZP SZP XC6COT7 OT8C4A OC9B ZO CE4B 4CBDQ8C TQM SZPYTQ PA6BOA7C OA8AWaveforms 21PIN/AV SW Sound AMP Mechanical Exploded View CRT PCB AssyMechanical Replacement Parts List Electrical Replacement Parts List TSB P/N ResistorsJ2-2 Capacitors CS0RF04L5ZJ2-4 Diodes Switches ICSTransistors Coils &TRANSFORMERSBoard Assemblies Variable ResistorsMiscellaneous