LCD/LED TV Display Panel Connection & Voltages Understanding

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Hi Technicians! Today we have a very useful post for you. Here in this post you will learn LCD/LED TV Display Panel Connection & Voltages Understanding. So this is a very demanding topic, many beginner and new technicians are being stuck on LCD/LED TV Display Panel Repairing. So this post will guide you LCD/LED TV Screen panel all connections and their voltages to check. You can check every voltage point on your Display panel according to this post. It is important to know where to check every voltage of each connection as they mention in the schematic diagram and service manual. At least you should know the basic working.

LCD/LED TV Display Panel Connection & Voltages Understanding
LCD/LED TV Display Panel Connection & Voltages Understanding
We have collected all this information from deferent sources. So we are not responsible for any damage by using this information.

LCD/LED TV Display Panel Connection & Voltages Understanding

Connection NameWorking Voltages
VGLDriver Negative Power Supply 1
Around -10.5v
VCLDriver Negative Power Supply 2
Around -10v to -12v
VSSDigital Ground GND
VDDThe Logic Supply Input
for the Scan Driver
VGHSupply LCM driver output
Around 12v+ to 19.5v+
CPV1Vertical Clock-Pulse Input.
CPV1 controls the timing of the
CKV1 and CKVB1 outputs, which
change state (by first sharing
charge) on its falling edge.
Pulse
CPV2
V.COMOut Vertical Clock-Pulse
Input. CPV2 controls the timing of
the CKV2 and CKVB2 outputs,
which change state (by first sharing
charge) on its falling edge.
POLPOL in Supply input common
signal
VDCIn Supply +5.0v min
VONGate-On Supply. VON is
the positive supply voltage for the
CKV_, CKVB_, and STVP high-voltage driver outputs. Around 20v+
V-OFF Gate-Off Supply. VOFF is
the negative supply voltage for the
CKV_, CKVB_, and STVP high-voltage driver outputs. Around 8V
CPV1Vertical Clock-Pulse Input

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