Sharp LC-60LE600U tries to turn on, faults, DIAGNOSTIC DONE BY THE NUMBERS!
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Postcard 32 4-Bit 4-Digit Diagnostic Card PC Analyzer Manual
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Channel: Schematics and Boardviews
11-01-2024, 06:29 AM -
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Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?by Tynan DillI was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.
Upon bringing it home and plugging it up, it showed a standby light.
I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.
The screen seems to blackout and stay black, but with a flashlight I can see the display.
With my Playstation 4 connected via HDMI, and running a game I can hear sound.
Assuming...7 Photos -
Hi all,
I have a MBP A1398 EMC 2881 here, it chimes, boots and shows picture on external screen
there is an apple logo on the display, no backlit
I measured the PP3_G3H on the backlit fuse - it's 12.6V when not powered and it drops to 10.8V after startup.
Is this OK?
Also measured the LVDS connector pin 1, there is 0V, could that be the backlit driver chip?
Also checked all 4 "backlit" capacitors, all OK, not shorted.
Thank you very much,
-jp12-02-2024, 01:29 PM -
by KyleadonisHi there, I need some help identifying replacements for a Launch Diagnostic Plug In Tool. I can't seem to find any information on the LF 7HZPU Diode so I have no idea what to replace it with if anyone can help? Also there is a missing component on the side that I highlighted in green and I assuming it's a cap?
I have added some photos for reference....4 Photos -
Folks, I have a Vizio flat screen that doesn't show any signs of life (and no orange vizio glow either).
I tested the voltages from the power board (at the connector) and I can see the 5V supply drops to 3V after the power cable is connected to the main board (5V supply reads as 5V when cable is disconnected from main board). All other rails (12V and 24V) are reading fine.
I looked for the usual bloated caps and saw none on either board and no other tell-tall signs (black marks, burned components, etc) on either side of both boards.
Given the 5V rail... - Loading...
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