CE Tech Tips — August 2015

CE Professional Tech Tip Sharing

August 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: Screen displays “locked”

Solution: Check for bad
solder on pin 1 of IC003.

Insignia TV, ISLCDTV26

Reason for Service: Dead

Solution: Replacing 3 bad
caps fixed the set.  C940 & C939,
1000uF/35V and C929, 4.7uF/450V.

JVC TV, AV56WP30

Reason for Service: Evenly spaced vertical lines in picture, all inputs

Solution: Resolder IC103, 48
pin flatpack inside the IP converter module.

Panasonic Plasma TV, TCP60ST30

Reason for Service: 
Mechanical Buzzing

Solution: Loose screws,
install Kit # XYN3+F6FJ-12PK. 

Panasonic TV, TH42PX60U

Reason for Service: 
Shuts down at turn on, 10 blink code.

Solution:  Found open PR401, K5Y502BA0001, and bad Q412 and 13,
2SK3683.

RCA TV, ITC008

Reason for Service: Picture too wide and “breathing”

Solution: Check all:  Il101, (263569) on Pin board, Tl101 on pin
module and Dl021 damper diode.

Sony TV, DA4

Reason for Service: No high voltage, intermittently.  Set turns on, then 6 blink error.

Solution: Replaced both
IC6501 and IC8002.  Used MCZ3001DB for
better reliability.

Toshiba Plasma, 42HP95

Reason for Service: Shut down, continuous power led blinking.

Solution:  Not worth repairing unless the customer can get by
without the cable card.   Disconnect PJ63
to see if the TV now works.  If so, and
the customer doesn’t use the cable card, just leave it unplugged and the
digital tuner should work just fine.

Vizio VL320M, Power Supply Repair

Reason for Service: 
5V ok, no 12V

Solution:  Replaced D803 (under the hot side heatsink)  MUR460, 4A, 600V.

Zenith TV, E44W46LCD

Reason for Service: Reset the lamp timer.

Solution: You need a
105-201M service remote.  Press the
“in-start” button, then press 9 or scroll down to lamp replace.  Press the enter button.