Tag - rca tv repair

CE Tech Tips — February 2021

**NOTICE**
Due to the danger and complexity of electronic equipment repair, the following technical tip is 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, 53SDX01B
Reason for Service: When set turns on, screen is black except for OSD.  Channels changing constantly if you can see them.
Solution: Replaced defective DM04 on control board.

LG TV, 47LE5400
Reason for Service: Set won’t start past LG Splash logo. No buttons work.
Solution: Removed large plastic heatsink and then reflowed large IC on main board.

RCA TV, HD50LPW175
Reason for Service: FPD lights up, then blinks five times, and nothing further happens.
Solution: Check all following caps in power supply: C624, C639, C641, C647 and C640.

Samsung TV, LNT3242HX/XAA
Reason for Service: Dead set, has 5V standby.
Solution: Replaced RM801 in power supply.  0.22W/1W

Samsung TV, LN46A550P3F
Reason for Service: Set makes screeching noise then shuts off.
Solution: Replaced C102, SM 47uF/6.3V Blue box cap.

Sony TV, KDL32L504
Reason for Service: Dead set.
Solution: Found bad IC6102 bad; replaced with Sony 670880101.

Viore TV, LC37VF55
Reason for Service: Set had bad picture, almost like solarized.
Solution: Replacing AS15-F on T-Con fixed set.




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CE Tech Tips — October 2020

**NOTICE**
Due to the danger and complexity of electronic equipment repair, the following technical tip is intended for professional reference only. Please refer to manufacturer’s recommendations as Encompass does not guarantee the accuracy, reliability or safety of this information.

Emerson TV, LF501EM4
Reason for Service: Dead set, no standby power light.
Solution: Removed the I/R board and found SM C4056 shorted.  Removing bad cap restored normal operation to the set.

Hitachi TV, 57F59A
Reason for Service: Changes colors, snowy picture, loss of one or more colors, all white and shuts down.
Solution: Replace signal board and make sure the firmware is updated. 

LG TV, 47LM6700
Reason for Service: Dead, 3 blink error.
Solution: Replaced a shorted D607.  MUR460

Panasonic TV, TCP42X5
Reason for Service: Dead
Fix: Replaced U203 on backside of Power board.  FAN6755UWMY.

RCA TV, LED46C45RQ
Reason for Service: Set won’t power up.
Solution: Replacing the EEPROM fixed the set.  U16

Samsung TV, PN64E8000GFXZA
Reason for Service: Dead set, fuse blown.
Solution: Repaired power board by replacing QS802 & QS804.  Examine whole board for bad solder and resolder as necessary.

Vizio TV, E390-A1
Reason for Service: LED backlights will not come on.
Solution: Replacing IC U403 fixed the set.

Zenith, 9-1302 module
Reason for Service: Dead, nothing.
Solution: Resoldered jumper next to Elect Cap CX3452.  Fixed set.

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