14
5
.Distribution of the Circuit Board of Different Screens and their
Functions
42SD(Type:S42 SD-YD04,Code No:335-42001-00)
Parts
designation
Function
Power supply
board
Provide power for the operation of complete TV set
Logic board
Convert the LVDS signal from the processing board into the one displayable by
screen
Addressing circuit
Addressing circuit for screen display, directly driving the address electrode on
the screen (Vertical electrode, totally 852X3electrode)
X driving
X electrode
(
horizontal common holding electrode
)
driving circuit
Y
X driving
Y electrode
(
horizontal scanning, holding electrodes, total 480 electrode
)
driving
circuit
X driving
Power supply board
Y
driving
Logic board
Addressing circuit
Summary of Contents for PS42K8
Page 1: ...COLOR TELEVISION PS42K8...
Page 11: ...10 4 IC BLOCK 1 MSP3420...
Page 12: ...11 2 VPC3230...
Page 13: ...12 3 JAG ASM...
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