CE Tech Tips — March 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.

Hitachi TV, 50VS810

Reason for Service: When using the HDMI connection, black picture with no
sync on the OSD.

Solution: Clean the HDMI
jack with 99% pure alcohol.

Mitsubishi TV, WS55413

Reason for Service: Set shuts down when you turn it on.  Displays error 2—2.

Solution:  Check for open fuses F9A04 and F0A05, part # 283P144080
on the +24 and –24 V lines. If fuses are open, there is a problem in the
convergence output circuit.

Philips TV, 37PFL5322D-37

Reason for Service: 
When using TV input, set would shut down. Other
inputs played Ok.

Solution: Found a leaky C955
in the power supply. 2200uF/16V

RCA TV, ITC008 chassis

Reason for Service: Set shuts down after a few seconds.

Solution: Replaced bad TX508.

Samsung TV, HPT4234X & HPT4254X

Reason for Service: Dead, relay clicks.

Solution: Found bad solder
on QX801 and QX802. Located center of supply board. Resoldering fixed the set.

Sharp LCD PGD100U

Reason for Service: Shuts down with lamp error.  Customer changed lamp himself.

Solution: Customer didn’t
reset lamp timer, all was ok after doing this. Press and hold down enter, Adj
down, Adj right while hitting the master power switch to reset.

Sony TV, KV-36FS130

Reason for Service: 
Dead set, no flashing codes

Solution: Replacing D647
fixed the set.  NTE519.

Toshiba TV, 26AV502U

Reason for Service: 
No backlights

Solution: There are two
fuses on the board.  On this set, the
smaller fuse at the top of the board was bad. 
F1, 2A

Westinghouse TV, SK-26H570D

Reason for Service: 
Dead

Solution: Replacing both
MOV’s and the 5A fuse fixed the set.

Zenith TV, B25A74R, module 9-2066

Reason for Service: Relay clicks, HV starts to come up, then nothing.

Solution: Found two bad
caps, CX3205 and CX2110, both 100uF/35V and IC2100, Vert. TDA8174.