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As this is a brand new forum, I thought I'd open up a thread to encourage new members to introduce themselves a bit.. now hey.. let's not get too personal.. ok ?
And if you wouldn't mind to keep this thread \"clean\" let's try to keep the the chitchat (i.e. even the welcome to the board replies) to a minimum or this thread may get to 100 pages fast
So I'll start things off :
My name is petabyte and I'm a forum junkie. :oops:
I've been off the wagon for a number of years and countless times I've tried to stop but it's useless.....
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Help please with identification of few components for troubleshooting (Solar Water Fountain circuit)Need some help please with a few components on this small board so that I can troubleshoot the circuit.
The PCB is a Single sided board fairly simple circuitry has a +ve and -ve Solar cell power input, a 7.4v 1500mAh (dual 18630 cell) power in which the Solar panel charges the cells, and lastly the Output goes to a DC connector...
J1 is actually 1P1T Switch (in ON position completes Battery cell circuit
J2 - to DC Output
J3 is Battery cell connector
however I am struggling to identify if:
Y1 (SOT-23) are NPN Transistors, MOSFET's or 11v Zener's.... -
Hello all. 3 years back, with your help, I replaced the LEDs on this TV. It's been working great. Yesterday, I turned it on (garage TV), and it has blurred horiz / vert lines as you see in photos. Definitely no physical hit or damage. Top 1/6th of the screen is perfect. Could it be main / TCON board? No tabs to cut on this model. Thank you...
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Unit came to me and customer said they spilled liquid on it. Opened unit and inspected board and saw no signs on liquid reaching the board. Plugged in amp meter and it pulled 20v and booted normally, i connected to internet and ran update on the OS. Came in the next day to test again to make sure unit was functional, now its stuck at 5v and 0 amps no power, no shorts found on so far.
Tested all CD3217 and RAA489900:
UF400
PP3v3_UPC0_LDO- 3.48v, .473 Diode
PP1v5_UPC0_LDO_CORE- 1.59v, .504 Diode
USBC0_CC1- 0v, .455 Diode
USBC0_CC2- 1.66v, .454 Diode...
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