Question about Hitachi Televison & Video
1.8 ohm are protect on convergence ics --stk-392-110 or stk-392-150---
Change both ics and make sure not shorted pins via solder connections.
Let me know if you need help
Posted on Feb 19, 2012
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Posted on Jan 02, 2017
SOURCE: Hitachi 53uwx10b
Hitachi has created a repair kit part# X480293 for this problem. It includes: (2)STK392-150 convergence ic's,resistors RK42 = 3.3 ohms,RK46 = 1.8 ohms,RK50 = 2.7 ohms,RK54 = 1.5 ohms,RK58 = 3.9 ohms,RK62 = 2.2 ohms,all 1 watt resistors.
Posted on Aug 20, 2007
Well budy, welcome to the real world of problem after problem even though you were there other problem start, Ah what in
H%$# did I become a tech.
First did you replace the stk with cheap china part's,
second have you check the vcc at the input of the chip, +/- about 25 volt.
The redish problem is adjudtment to the tint, here how you adjust this take colour off, then adjust screen to 80% and brighness to 40% and adjusting the screen control slowly to get perfect black and white without getting drive line. YOU Don't want drive line this is over driving the grides on the crt's this is located in the front of the screen a box about 4" x 4" x 1" deep and has about 9 wires that goes to it.
Now have you tampered with the aligment of the crt's nut screw well don't I Mean Don't.This is Focus only if you need it.
Next go to the menue (Service Menu) and do the aligment beleave me it's not easy and it will P%$# you off this is on page 46 http://servicemanuals.panasonic.ca/viewing/NA/PT-47WX52F/SVC/47wx_01.pdf.
Here is the schematic hope it help's http://servicemanuals.panasonic.ca/viewing/NA/PT-53TW53G/SIMP/PVAccel.html
Last or you shure it's not your CPU convergence board, this is the board that stick out on the main board,
What About Bob
I know if you do the convergence alignment it should solve your problem. let me know email@example.com
Posted on Feb 29, 2008
SOURCE: BLOWN RESISTORS
you can download your schematic that will tell you resistor values and the rest of the circuits and IC indentifications as well as test procedures and more , this is a ten part zip that can be opened with winzip and read with adobe just click here http://www.eserviceinfo.com/downloadsm/12926/Hitachi_50FX30B.html
then to order resistors you can get them here http://www.nteinc.com/
or look for an electronic parts supply store around you , but alot of the time they too have to order the parts, ecspecially certain valued resistors or other special valued parts
if you need more help just ask !
Posted on Dec 11, 2008
If it is 53uwx10B:
RK42 2.2 OHM 1 WATT
RK46 1.5 OHM 1 WATT
RK50 2.2 OHM 1 WATT
RK54 1.5 OHM 1 WATT
RK58 2.7 OHM 1 WATT
RK62 1.8 OHM 1 WATT
Double check the numbers on the STK chips as most of these sets use STK-392-110 OR 392-150 CHIPS-----ONLY A FEW OTHER MODELS(MOST 43 INCH USE THE 120 CHIP.)
I do this here for free so if this helps you take just a minute and give me a vote here.
If you have any questions or need help reply to this posting here--I am here to help people.
REGARDS, SD TECH
Posted on Sep 20, 2009
Testimonial: "thanks for the quick response and info. it was helpful."
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