CE Tech Tips — July 2015

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.

Share this post

Leave a Reply

Your email address will not be published. Required fields are marked *