| Subject | Text |
| Zener 6079 (9.1V) is shorted. R3045 measures 1.8 ohms.
If anyone else needs to know in the future, |
| Mackie SRM450, signal and peak led on, no output. Fixed. | Hiya
Just repaired a Mackie SRM450 with thermal and signal indicators always on. R282 and R283 10 O |
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| Sony TA-V33 amplifier repair | Hello
I bought a Sony TA-V33 amplifier at a local flea market and when I turned it on - no sound ca |
| AV 27820 AV27850 | I find all the bugs !!
Replace D422 (1N4761A,NTE5064A),C425 (100uf/35V),C425 (470uf/35)R526 1,8 Ohm |
| Re: Varying degree of electronic knowledge | [quote:94cba6414f="Donny"]Although you do have a point mainly for safety reasons...[/quote:94cba6414 |
| Thought he had ascertained were 6.8 ohms? :? |
| help with pin outs on DC input, Sony CCTV Cam CV-710 NDC | Have a 6-pin mini DIN connector on the camera, and need to wire the mating connnector (from a 12vDC |
| Yikes! Now it's getting complicated! I found the Power Transistors and ordered them through
htt |
| While you could use a 2 watt in place of it, it would be underrated and it looks more like a 3 watt |
| Pioneer VSX-D912 Help | OK guys, here is the situation. My receiver went out after a power surge, or at least I think it was |
| Minnie,
many thanks - chip is on order.
the legs of the R51 resistor look blackened so I guess |
| jvc vertical problem | Try to identify the vertical deflection yoke. Test continuity(to be 10-15 ohms). Identify coupling c |
| Hmm.. wonder why the link didn't work? I copied it right from the taskbar? Maybe you have to type |
| Thanks for your response. Amp is out of car now. Problem was the same when installed in car. Load is |
| You test capacitors with an ESR meter with the set UNplugged. You never work on live equipment unles |
| Common replacement failure parts are Q4101=SGSIF461=RCA # 200165, U4101V=TEA2261=RCA # 200419, F4005 |
| an interesting discovery re: zener diodes in power supply | In the Troubleshooting section of the manual, shorted zener diodes across the driver transistors (in |
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| Re: Viewsonic N3245W Black Screen - Need some help | I would like your old inverter board; have one with bad transformer on; can't find supply of board o |
| Viewsonic N3235W Black Screen - Need some help | Hello, This is my first post here. Hoping maybe someone can put me on the right track. Have a 22 |
| transistors | This may be a bit difficult if you are not that familiar with electronics, but here goes. Transistor |
| Dead Dell 1025HE | I'm attempting to repair a Dell 1025HE 17" monitor (essentially a Nokia 447S) for a friend.
sympt |
| Can you measure resistance (Ohm) with your meter?
If so, a short should measure 0 - 10 Ohms
A go |
| When using both A & B speakers at the same time, you are in effect halving the total impedance s |
| SONY STEREO PROBLEM | Hi everyone,
I have problem with my stereo (SONY HCD-XB3) The unit is completely dead.I found one |
| For Sale: Keithley 178 5 1/2 Digit Bench Digital Multimeter | For Sale: Keithley 178 5 1/2 Digit Digital Multimeter. It is a lab quality digital multimeter with a |
| I measured as you said. The resistance is about 11.3 Ohms, but jumps around when I move its rotation |
| Which transistor blew? Was it a main output transistor or smaller one in the pre-amp stages? Why did |
| Audio amplifier limiting output power | What I have:
• A transformer rated at 150VA / 30V (center tapped) / 5A
• Speaker rated at 30W / 8 |
| Hitachi c28wf560n (11AK45) no picture | Hi,
I have a Hitachi c28wf560n, Vestel 11AK45 chassis. After around 5 minutes of use, the picture d |
| An update this morning:
I discovered that the capacitor is position 2420 has a resistance of only 5 |