Dell 21N21E2 service manual Waveforms

Page 27

MICON/TUNER

0.5µs

1V

1

10ms

1V

2

20µs

1V

3

20µs

1V

4

50µs

100mV

5

WAVEFORMS

50µs

100mV

6

50µs

100mV

7

50µs

0.5V

8

0.2ms

1V

9

0.2ms

1V

10

IF/CHROMA

20µs

0.5V

11

2ms

200mV

12

20µs

1V

13

20µs

1V

14

20µs

1V

15

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

H-1

Image 27

Contents Colourtelevision HOW to Order Parts Insulation Check ProcedureServicing Notices on Checking Contents System General SpecificationsA3-2 A3-3 A3-4 A3-5 Disassembly Instructions InstallationRemoval Removal and Installation of Flat Package IC B2-2 Service Mode List When Replacing Eeprom Memory ICConfirmation of Hours Used AGC Voltage Electrical AdjustmentsConstant Voltage VCO Coase L1, VCO Fine L1Vertical POSITION/VERTICAL Linearity White BalanceHorizontal Position Vertical SizeNO. Function Contrast CentDynamic Convergence Static Convergence Rough AdjustmentPurity Static ConvergenceMain PCB CRT PCBBlock Diagram Printed Circuit Boards MAIN/CRT Inserted Parts Bshort Printed Circuit Boards MAIN/CRT Chip Mounted PartsMszp SZPAB6 U8OSZP7 V7ED7YOB6D NXWSZP XC6C XC7COC8A XC6B SZPZO C OT7OT8 C4A OC9BTQM SZP E4B4CBD Q8COA8A YTQPA6B OA7CWaveforms 21PIN/AV SW Sound AMP CRT PCB Assy Mechanical Exploded ViewMechanical Replacement Parts List TSB P/N Resistors Electrical Replacement Parts ListJ2-2 CS0RF04L5Z CapacitorsJ2-4 Diodes Coils &TRANSFORMERS SwitchesICS TransistorsVariable Resistors Board AssembliesMiscellaneous