CE Tech Tips — September 2015

CE Professional Tech Tip Sharing

September 2015

**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.

Hitachi TV, 51UWX20B

Reason for Service: 
Shutting down. 
Horz output voltage and B+ ok. 
Horz output collector has distorted waveform.

Solution: Replaced defective
TH01.

Magnavox TV, TP3273C102

Reason for Service: High voltage starts to come up at turn on, then shuts
down.

Solution: Replacing C420
fixed the set.  220uF/16V

Panasonic Flat Panel, TCP42X1

Reason for Service: 
Dead, one blink

Solution:  Replaced defective A CBA. 
#TXN/A1EQUUS

Panasonic Plasma TV, TH42PX75U

Reason for Service: 
Dead, red LED flashing 8 blinks

Solution: Replacing the SS board
fixed the set.

Panasonic TV, TH-42PZ700U

Reason for Service: 7 blinks

Solution:  There are a row of surface mount FETs on the SC
module/Y-Sus.   One of them is shorted;
lift one leg on each transistor to measure for the shorted one.

Philips TV, 50PFP5332D/37

Reason for Service: Dead

Solution: Found a bad cap,
C8014.  33uF/450V.  Replace F8002 also, 1A/250.

RCA TV, ATC010 chassis.

Reason for Service: Shuts down, might be intermittent.

Solution:  Found R835 had increased in value. Replaced with 120k ohm.  This fixed the set.

Sharp TV, LC26SU10

Reason for Service: 
Has sound but no backlight.

Solution: Problem was a bad
small black fuse near two larger ones on the backlight board.

Sony TV KDL46XBR2

Reason for Service: No picture, backlight or sound, green LED and Sony logo
are on.

Solution: Check for an open
fuse on the T-con.  It might be a 3 or 4
A.

Sony TV, LA3

Reason for Service: 
Dead with 6 blinks

Solution:  Replaced thermal fuse on optical block and IC1607 on the
G1 board.

Vizio TV, SV470M

Reason for Service: No audio and remote control will not work.

Solution: Had to replace the
main board,   #3642-0692-0150