CE Tech Tips — May 2016
CE Professional Tech Tip Sharing
May 2016
**NOTICE**
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.
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 TV, 51UWX20B
Reason for Service: Picture rolls vertically only when cold. OSD or DCU pattern stable or no pic, OSD OK.
Solution: Replaced IC401, CP08191U.
Hitachi Plasma, 42HDS52A
Reason for Service: Customer preference settings are lost after turning set
off.
off.
Solution: In the customer menu under video, reset video, select NO.
Hitachi TV, 57UWX20B
Reason for Service: The picture freezes.
Solution: Added a 28 ga.
Jumper wire from pin one of I007 to the cathode of D019.
Jumper wire from pin one of I007 to the cathode of D019.
LG TV, 47LE5400-UC
Reason for Service: Set intermittently cycles off then back on. This may repeat a few times.
Solution: Replaced the switch mode PS.
Mits TV, WS55413
Reason for Service: Shuts down at power on with a 2-1 error.
Solution: At power on, check for 12V at connector KH, pin8. If missingm check IC9C51, #270P990010 and
L9C52, #441D009020, on the signal board.
L9C52, #441D009020, on the signal board.
Panasonic TV, TH58PX600U
Reason for Service: Relay starts clicking as soon as set is plugged in.
Solution: Cleaning the wires from main logic to bottom of C5 board
fixed the set.
fixed the set.
RCA TV, F36650,
ATC113
ATC113
Reason for Service: Vertical shrinks after the set warms up.
Solution: Replacing the
eprom IR02 fixed the set. #258098
eprom IR02 fixed the set. #258098
Samsung TV, LN-T4066F
Reason for Service: Set comes on then shuts off almost immediately.
Solution: Before replacing
any boards, check for a bad CCFL. Remove
the panel, apply HV to one end of each tube.
If one doesn’t light, replace it to see if it fixes the set.
any boards, check for a bad CCFL. Remove
the panel, apply HV to one end of each tube.
If one doesn’t light, replace it to see if it fixes the set.
Sony TV, KDL40S5100
Reason for Service: Dead, pushing power button gives a 2 blink code.
Solution: Replaced the power
supply, A-1660-720-B.
supply, A-1660-720-B.
Vizio VX32LHDTV10A
If you determine the main board 3632-0232-0150) is bad, try replacing U-33
before replacing the whole board.
before replacing the whole board.
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