CE Professional Tech Tip Sharing
Due the danger and complexity of electronics repair, the following shared
technical tips are intended for professional reference only. Please refer to
manufacturer’s recommendations as Encompass does not guarantee the accuracy,
reliability or safety of this information.
Hitachi Plasma TV, 42HDS52A
Reason for Service:
Blacks look reddish, may have many vertical lines,
easier noticed on dark scenes
Solution: Replaced logic
board assembly, part number FPF29R-LGC0057.
Hitachi TV, 53FDX20B
Reason for Service: No sync on main picture, but PIP picture is okay
Solution: Replaced IX04.
LG Plasma, 50PJ350.UB
Reason for Service: Set tries to power up with a click, then shuts back off
Solution: Check R927 and
R929 in the power supply. 22ohm,
5W. Replace with correct resistors,
Magnavox LCD TV, 26MD255V/17
Reason for Service: Channels change automatically, intermittently
Solution: Found a leaky
surface mount cap on the button PCB at the top of the set.
Mitsubishi TV, WS55413
Reason for Service: No horizontal deflection
Solution: Found bad solder
on Q5A01; resoldering fixed the set.
Panasonic TV, PT51HX43G
Reason for Service: No picture, but showing retrace lines
Solution: Replacing Q944 and
Q945 fixed the set.
RCA TV, ITC008
Reason for Service: Shuts down, cycles on and off, no video or audio
Solution: Replaced a bad 5V
regulator, IP031. Used a NTE960 for
Samsung LCD TV, LTN1535
Reason for Service: Dead
Solution: Found C109 bad,
replacing fixed the set. 1000uF/16V
Sharp LCD TV, LC-26D4UJ
Reason for Service: No sound, or it comes and goes
Solution: Replaced TA2024 and installed PSPKIT663WJZZ Kit. This
fixed the heat sink problem.
Sony TV, DA4
Reason for Service: HV comes up for a second, then shuts down
Solution: Replacing C6556
fixed the set.
Vizio TV, L32
Reason for Service: No or garbled audio.
Solution: Replaced audio IC