Tech Tips – Page 15 – Encompass Supply Chain Solutions

29 Feb

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.

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27 Jan

CE Tech Tips — February 2016

CE Professional Tech Tip Sharing

February 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.

Emerson TV, LC320EM9

Reason for Service: Set shuts down, back light comes up briefly

Solution: The inverter
transformer was bad. (#LTZ3PC0XB004)

Hitachi TV, P42H401A

Reason for Service: Set clicks and shutdown; it may start after repeatedly
trying

Solution: Loose connections
from the X-sustain down to the X-right driver board. Hard wire the connections.

Hitachi TV, 60SX2K

Reason for Service:
Hum in the audio

Solution: Found two leaky transistors: Q4013 and Q4008. Replacing them fixed the audio.

Hitachi TV, 53FDX20B

Reason for Service: No sync on main picture, but PIP picture is ok.

Solution: Replaced IX04

LG LCD TV, 42LH20-UA

Reason for Service:
No audio

Solution: Replaced front
board, EBR59217402.

Panasonic TV, PT47WXC43G

Reason for Service: Dead set

Solution: Replaced T802.

Philips TV, 50PFP5332D/37

Reason for Service:
Dead, power supply not starting

Solution: Notice stand up
board on the power supply board.
Resoldering the connections where this board solders to the power supply
board fixed the set.

RCA TV, ITC008 chassis

Reason for Service: Set shuts down after a few seconds

Solution: Replaced bad TX508.

Sanyo TV, DP42849

Reason for Service: Set runs fine for a few seconds, then backlight goes
out

Solution: Before replacing
the power/inverter board, ohm the four small blue poly caps next to the large
inverter transformer. If any of them are
out of range, try replacing them before ordering the new board. (C327, 10kΩ, C330, 81Ω, C333, 10kΩ, C329, 81Ω)

Vizio TV, VT420M

Reason for Service:
Powers up with backlight, but no picture or OSD

Solution: Replaced the T-Con
(no difference); replacing the main fixed the set.

Zenith TV, E44W48LCD, MD042B Chassis

Reason for Service: Audio popping or won’t display 1080i correctly

Solution: Replace 550
Digital Board. (3171VSN916C)

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24 Dec

CE Tech Tips — January 2016

CE Professional Tech Tip Sharing

January 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.

Emerson TV, LC320EM9
Reason for Service: Set comes on to start screen then shuts down
Solution: R1943 & 1944 had changed value, and D1940 was shorted. Replacing these fixed the set. Used ECG502 for the diode.

Hitachi TV, 50V500A
Reason for Service: Intermittently dead
Solution: Check R964 for bad or cracked solder.

Hitachi TV, 51UWX20B
Reason for Service: The horizontal is out of sync
Solution: Replacing I401 fixed the set.

Mitsubishi TV, CS35305
Reason for Service: Set has sound but no HV. Replaced the HOT; did not fix the set.
Solution: Check C9119 on pin 4 of IC9010 on the power board. 4.7uF/50V

Panasonic TV, PT51HX43G P8
Reason for Service: Set powers up with a dark screen and has sound. After a while, you start to get a raster.
Solution: Replaced C509 on the D board.

Polaroid TV, FLM373B
Reason for Service: Set comes on, then goes to a blue screen
Solution: Found two bad caps in power supply, C112 and C113, 1000uF/16V.

RCA TV, ATC010 chassis.
Reason for Service: Shuts down, might be intermittent
Solution: Found R835 had increased in value. Replaced with 120k ohm. Fixed the set.

Samsung TV, LNT2354H
Reason for Service: Dead set
Solution: This uses power supply BN44-00158A. Found and replaced bad DZB803 in the power supply. 22V/1W

Samsung TV, LN55B650T1F
Reason for Service: Dead set
Solution: CM807 was bad on the power supply board. 1000uF/25V. Be sure to check and replace CM811 and CM841 and 1000uF/25V.

Sharp LCD TV, LC-26D4UJ
Reason for Service: No sound, comes and goes
Solution: Replace TA2024 and install PSPKIT663WJZZ kit; this fixes the heat sink problem.

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02 Dec

Tech Tips – December 2015

CE Professional Tech Tip Sharing

December 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 Plasma TV, 42HDS52A

Reason for Service:
Blacks look reddish, may have many vertical lines,
easier noticed on dark scenes

Solution: Replaced logic
board assembly, part number FPF29R-LGC0057.

Hitachi TV, 53FDX20B

Reason for Service: No sync on main picture, but PIP picture is okay

Solution: Replaced IX04.

LG Plasma, 50PJ350.UB

Reason for Service: Set tries to power up with a click, then shuts back off

Solution: Check R927 and
R929 in the power supply. 22ohm,
5W. Replace with correct resistors,
#EBC606600801.

Magnavox LCD TV, 26MD255V/17

Reason for Service: Channels change automatically, intermittently

Solution: Found a leaky
surface mount cap on the button PCB at the top of the set.

Mitsubishi TV, WS55413

Reason for Service: No horizontal deflection

Solution: Found bad solder
on Q5A01; resoldering fixed the set.

Panasonic TV, PT51HX43G

Reason for Service: No picture, but showing retrace lines

Solution: Replacing Q944 and
Q945 fixed the set.

RCA TV, ITC008

Reason for Service: Shuts down, cycles on and off, no video or audio

Solution: Replaced a bad 5V
regulator, IP031. Used a NTE960 for
replacement.

Samsung LCD TV, LTN1535

Reason for Service: Dead

Solution: Found C109 bad,
replacing fixed the set. 1000uF/16V

Sharp LCD TV, LC-26D4UJ

Reason for Service: No sound, or it comes and goes

Solution: Replaced TA2024 and installed PSPKIT663WJZZ Kit. This
fixed the heat sink problem.

Sony TV, DA4

Reason for Service: HV comes up for a second, then shuts down

Solution: Replacing C6556
fixed the set.

Vizio TV, L32

Reason for Service: No or garbled audio.

Solution: Replaced audio IC
TDA8946AJ.

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29 Oct

CE Tech Tips — November 2015

CE Professional Tech Tip Sharing

November 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, 53FDX20B

Reason for Service: Horizontal links in picture when cold or first turned on

Solution: Wiggle the anode connector at each CRT to determine if it
causes the symptom. Replace anode lead.

Hitachi TV, 57UWX20B

Reason for Service: Focus not working correctly on left and right side of picture

Solution: Add 2 spark gaps (CJ00072R) – one between pin 4 and 5 and
one between pin 8 and 5 of TG01.

Hitachi TV, 46UX12B

Reason for Service: No power, RL-901 does click

Solution: Check and replace
if necessary the following: CP-901, IC-901, ZD-904.

Insignia Plasma, NS-PDP42

Reason for Service:
Set dead. When power button is pressed, LED goes
from red to green and back to red in a second or so.

Solution: Replacing several
3300uF/10V caps on the power supply board fixed the set: C238, C240, C241, C242
and C253.

Mitsubishi TV, WD-65735

Reason for Service: Lamp doesn’t light. Owner replaced, blinking LED still
shows bad lamp.

Solution: This lamp must be
replaced with OEM only; it has a much lower strike voltage.

Panasonic TV, PT47WXC43G

Reason for Service: No audio

Solution: Check and replace IC1101.

Philips TV, 50PFP5332D/37

Reason for Service:
Shuts down at turn on. It may work if you unplug VS
or VA plugs.

Solution: Replace the power
supply.

RCA TV, ITC008 chassis

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

Solution: Replaced bad TX508.

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 TV, 60SX2K

Reason for Service:
Horizontal / vertical roll.

Solution: Replaced M-301

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30 Sep

Tech Tips — October 2015

CE Professional Tech Tip Sharing

October 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.

Emerson TV, LC320EM1F FL10.3

Reason for Service:
Dead set, no LED lit or blinking

Solution: Found a bad 390k
ohm resistor open in series to the gate of Q501. Check them all.

Hitachi TV, 51UWX20B

Reason for Service:
Shutting down.
Horizontal output voltage and B+ Ok.
Horizontal output collector distorted waveform.

Solution: Replaced defective
TH01.

Magnavox Combo, MSD724G

Reason for Service:
Dead

Solution: Found a shorted diode,
D1618 located in the secondary or the SMPS.
FR154, used an ECG580.

Mitsubishi TV, LT46144

Reason for Service:
Video has solid vertical lines

Solution: Replace the
panel. 289P107010 – call Mitsubishi to
see if they will help with the cost.

Panasonic flat panel, TCP42X1

Reason for Service:
Dead, one blink

Solution: Replaced defective A CBA. #TXN/A1EQUUS

Panasonic Plasma TV, TCP60ST30

Reason for Service:
Mechanical buzzing noise

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

Samsung TV, LN55C610N1FXZA

Reason for Service:
Picture flickers intermittently.

Solution: If your model uses
the BN44-00342B power supply, snip jumper JP854.

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, KV-36XBR800

Reason for Service:
Two blinks and shuts down

Solution: Found an open R5065, 270k ohm, Sixteenth W surface
mount, located pin 4 of HO transformer,
T5001. Replaced with eighth W.

Toshiba TV, 46UX12B

Reason for Service:
No power, no relay click.

Solution: Found Q-0015
bad. Replacing it fixed the set.

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28 Aug

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

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03 Aug

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.

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29 Jun

CE Tech Tips — July 2015

CE Professional Tech Tip Sharing

July 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, 46UX12B

Reason for Service: No customer convergence adjustment from the on screen
display

Solution: Replaced IC-1501 and ZD-1501.

Panasonic Plasma TV, TH42PX75U

Reason for Service:
Dead, red LED flashing 8 blinks

Solution: Replacing the SS board
fixed the set.

Philips TV,
50PFP5332D/37

Reason for Service:
Dead

Solution: Replaced SSB; used 3139 268 09052.

Pioneer TV, PRO-118

Reason for Service: Picture washed out and pulled up from the bottom of
screen

Solution: Repair solder
connections on connector boards between power supply and video boards. Especially check H-Sync connection.

RCA CTC169

Reason for Service: Vertical distorted, squeezed in from the bottom, a
little fold over

Solution: Replaced yoke
return cap, C4503. 2200/35V

Samsung TV, LTN1795X/XXA

Reason for Service:
Green LED blinking; if you leave it plugged in long
enough it may come on

Solution: Found two bad caps on main board next to IC23. C21 & C22, 10uF/16V

Sony TV, KDS-70Q006

Reason for Service: Lamp goes out after it is on for a minute or so. Sound ok, green LED flashes, but no
code. Lamp comes on after a minute or
so. Symptom then repeats. Lamp was
replaced a few months before this problem.

Solution: Replacing the lamp
again fixed the set.

Sony TV, KV-1326R

Reason for Service: Dead

Solution: Replacing C614
fixed the set. 22uF/250V

Toshiba TV, 50H81

Reason for Service:
When set first turned on, picture ok, but then
immediately starts jumping and shrinking vertical and has vertical lines through
it. Touching the DPC board stopped
it. Tapping the board made it worse or
shut it down.

Solution: Intermittent
connections on pins for this board, twist them slightly and reseat.

Zenith TV, E44W46LCD

How To: 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.

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27 May

CE Tech Tips — June 2015

CE Professional Tech Tip Sharing

June 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, 46UX12B

Reason for Service:
Set has no color

Solution: Replaced IC5501

Hitachi TV, 46UX12B

Reason for Service:
No power, no relay click

Solution: Found Q-0015
bad. Replacing it fixed the set.

Panasonic TV, PT47WXC43G

Reason for Service:
No G2, (grid v) on the red CRT

Solution: Replacing C312
fixed the set.

Panasonic TV, TH-42PX50U

Reason for Service:
Dim, washed out picture

Solution: Repaired the module.
Replaced open cap, C526, 47uF/250V.
On SC board below middle heat sink.

Philips TV, 50PFP5332D/37

Reason for Service: Dead, relay clicks

Solution: Check and replace
as necessary: DC8524, DC8407, DC8404, DC8405, all 680uF/50V on the power board. Also check C5300 on the Y-main. 1000uF/25V

Pioneer TV, PRO-118

Reason for Service: Picture washed out and pulled up from the bottom of
screen

Solution: Repair solder
connections on connector boards between power supply and video boards. Check especially H-Sync connection.

RCA TV, ATC010

Reason for Service:
Shut down

Solution: Diode at relay checks good until it goes back off then it
is shorted. Replace the diode at the
relay. It will check good when cold or
after it cools, just replace it.

Samsung TV, LN55C610N1FXZA

Reason for Service: Intermittent strobing in the picture

Solution: From Panasonic
bulletin, cut and remove jumper JP854.

Sony TV, KDL46V3000

Reason for Service:
No backlights

Solution: Only problem found
was open fuse F4102 on FB3 board.

Sylvania LCD TV, 6620LDTA

Reason for Service: Dead

Solution: Found 3 bad diodes
in power supply; D638 & D645, used ECG519 and D645, used ECG506.

Toshiba TV, 14AF41

Reason for Service: Will not power up and relay clicks continuously.

Solution: Check and replace
as necessary, C403, C510, C529 and C531.

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