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Search: Posts Made By: petehall347
Forum: Troubleshooting Audio Equipment Today, 01:17 PM
Replies: 5
Views: 111
Posted By petehall347
Re: Pioneer VSX-523-K Amplifier - Identify resistors

those ksa992 that make up the diff amp need to be closely matched for vbe and hfe .
Forum: Troubleshooting Audio Equipment Today, 01:14 PM
Replies: 5
Views: 111
Posted By petehall347
Re: Pioneer VSX-523-K Amplifier - Identify resistors

maybe best to renew all diodes in that string .
Forum: Troubleshooting TVs and Video Sources Today, 11:30 AM
Replies: 1
Views: 28
Posted By petehall347
Re: Samsung Power Supply Board BN44-00150A

what is written on the diode ?
Forum: Troubleshooting Game Consoles & Other Weird Devices Yesterday, 06:51 PM
Replies: 40
Views: 598
Posted By petehall347
Re: Catapillar ECU repair, need N548AB replacement?

i might get in touch with these people . https://fairchildproducts.com/contact-us-information/
Forum: Troubleshooting Power Supplies and Power Supply Design 09-17-2021, 05:16 PM
Replies: 19
Views: 191
Posted By petehall347
Re: Power supply board missing voltage

wondering if it might use those corroded ground connections .
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-15-2021, 07:04 PM
Replies: 40
Views: 598
Posted By petehall347
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-15-2021, 05:27 PM
Replies: 40
Views: 598
Posted By petehall347
Re: Catapillar ECU repair, need N548AB replacement?

can you find a datasheet ? i sure couldn't .
Forum: Troubleshooting TVs and Video Sources 09-15-2021, 05:26 PM
Replies: 2
Views: 95
Posted By petehall347
Re: Samsung PN51F8500AFXZA broke off the tuner's F connector, can't get tuner de-sold

turn up the iron temp. add fresh solder and suck it away .
Forum: Troubleshooting Audio Equipment 09-14-2021, 04:03 PM
Replies: 5
Views: 111
Posted By petehall347
Re: Pioneer VSX-523-K Amplifier - Identify resistors

q6c and q7c will likely be toast .. i guess the resistors will likely be wirewound non inductive .
also other components could be blown .
Forum: General Electronics Technical Discussion 09-14-2021, 02:42 AM
Replies: 14
Views: 252
Posted By petehall347
Re: A 2200lm 7057 LED car lamp...

ones i had trouble with are sidelight bulbs inside the headlights . they turn to dust . maybe its the heat from the main and dip bulbs .
Forum: General Electronics Technical Discussion 09-14-2021, 02:38 AM
Replies: 6
Views: 173
Posted By petehall347
Re: Dissolve heat conductive cement

a long soak in petrol sometimes works . must admit i never tried that with the hard stuff .
Forum: General Electronics Technical Discussion 09-13-2021, 06:23 PM
Replies: 14
Views: 252
Posted By petehall347
Re: A 2200lm 7057 LED car lamp...

have had to dispose of a few that look like that cos they end up falling to bits . then i replace with proper bulbs .
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 09-13-2021, 03:26 PM
Replies: 4
Views: 106
Posted By petehall347
Re: Video Controller issue

try put old driver back.. if it will work with external monitor that is . and its a laptop .
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-13-2021, 10:54 AM
Replies: 9
Views: 196
Posted By petehall347
Re: Chasis bond to neutral to overcome oven tripping problem

i soon found this article ... https://www.fixwerks.com/the-beginners-guide-to-oven-trips-and-repairs/
Forum: Troubleshooting TVs and Video Sources 09-06-2021, 06:22 PM
Replies: 10
Views: 251
Posted By petehall347
Re: BN96-03057A Blown Capacitor

i looked at pic after then edited my post .
Forum: General Electronics Technical Discussion 09-06-2021, 06:21 PM
Replies: 9
Views: 135
Posted By petehall347
Re: Help me to understand how this smd tester works

important thing is the threshold of when it beeps ..think my meter goes to 18 ohms then over that it doesn't beep .
Forum: General Electronics Technical Discussion 09-06-2021, 06:19 PM
Replies: 9
Views: 135
Posted By petehall347
Re: Help me to understand how this smd tester works

put in continuity mode then short the probes . its just same as a shorted anything .
Forum: Troubleshooting TVs and Video Sources 09-06-2021, 06:14 PM
Replies: 10
Views: 251
Posted By petehall347
Re: BN96-03057A Blown Capacitor

one of the caps you changed was installed backwards or wasn't suitable .
Forum: General Electronics Technical Discussion 09-06-2021, 06:11 PM
Replies: 9
Views: 135
Posted By petehall347
Re: Help me to understand how this smd tester works

it was just so you know what to expect when you find a short .
Forum: General Electronics Technical Discussion 09-06-2021, 05:48 PM
Replies: 9
Views: 135
Posted By petehall347
Re: Help me to understand how this smd tester works

put in capacitor test and short the probes . then try same switched to auto .
Forum: Troubleshooting TVs and Video Sources 09-06-2021, 03:07 PM
Replies: 1
Views: 134
Posted By petehall347
Re: any android wizards here ?

well 62 views and no replies . maybe this is one of those impossible things i get lumbered with .
Forum: General Electronics Technical Discussion 09-04-2021, 06:43 PM
Replies: 17
Views: 239
Posted By petehall347
Re: Help with smd capacitor test

i guess you found a bad one .. maybe try test a new one .
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2021, 06:17 PM
Replies: 4
Views: 174
Posted By petehall347
Re: Component id asus ac3100 rt-ac88u

cant see your pictures .
Forum: Troubleshooting TVs and Video Sources 09-04-2021, 05:40 PM
Replies: 1
Views: 134
Posted By petehall347
any android wizards here ?

basically i have an android projector here that wont boot and the bootloader is locked . is there a way to unlock it for debugging from my pc ?
the unit is an anker nebula mars 2 .. i have been on...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 09-03-2021, 02:37 PM
Replies: 2
Views: 93
Posted By petehall347
Re: Apple Watch Series 5 44mm

looks like an antenna socket to me .
Showing results 1 to 25 of 500

 
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