Question about Cyber Acoustics A-3780 Computer Speakers

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Schematics I look for the connector of the check volume and openness

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I need a schematic 4 A-3780A1 im having problem with my sound not coming out. please responde asap.

Posted on Mar 07, 2008

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6ya6ya
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Posted on Jan 02, 2017

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What colour wire does what with Samsung in ear earphones


This is an educated guess.
You should have 4 rings around your 3.5mm connector. From the tip to the base of the connector....
#1 - left audio - Black
#2 - right audio - Red
#3 - Ground - bare copper
4# - Mic/volume - green/brown
The wires for the left and right channels (pins 1 and 2) and the ground, (pin 3) should run from the connector through the volume control, to each ear piece. The mic/volume wire should terminate at that control. although it could connect to more than one place within the control.
You may be able to open the volume control, gently, and see which wire stops there and which continue on through.

I hope this gives you enough information to complete your project.

Dennis

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Push pull guitar diagrams


check at seymourduncan.com...your humbucker needs to have 4 conductors in order to tap coils...which is what I presume you want to do with the push/pull...
relative pickup wire colors:
http://www.seymourduncan.com/support/wiring-diagrams/schematics.php?schematic=coil_splitting
now match the Fender colors to the Seymour Duncan wirs and check this out:
http://www.seymourduncan.com/support/wiring-diagrams/schematics.php?schematic=coil_splitting

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What does the check engine code p0406 mean on my dodge caravan with a 3.3L engine?


P0406 - Exhaust Gas Recirculation Sensor A Circuit High
An improper voltage signal is sent to ECM through the valve

Early Models : The EGR valve control the amount of exhaust gas routed to the intake manifold. Vacuum is applied to the EGR valve in response to the throttle opening. The vacuum control the movement of the taper valve connected to the vacuum diaphragm in the EGR valve.

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Late Models : The EGR volume control valve uses a step motor to control the flow rate of EGR from exhaust manifold. This motor has four winding phases. It operates according to the output pulse signal of the ECM. Two windings are turned ON and OFF in sequence. Each time an ON pulse is issued, the valve opens or closes, changing the flow rate. When no change in the flow rate is needed, the ECM does not issue the pulse signal. A certain voltage signal is issued so that the valve remains at that particular opening.

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Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hesitation

Possible causes
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control solenoid valve
- EGR temperature sensor and circuit

Possible solution
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve


Hope helps (remember to rate and comment this answer).

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2 Answers

I have a code P0401. What is this and how can I fix it?


P0401 - Exhaust Gas Recirculation Flow Insufficient Detected

Possible causes - Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control valve stuck closed
- EGR volume control solenoid valve
- Dead (Weak) battery
- EGR passage clogged
- Exhaust gas leaks Possible solution - Clean EGR Valve
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve

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1 Answer

An i get the diagram for the ON OFF switch and volume control? mine is damaged i like to fix it


-"Can i get the diagram for the ON OFF switch and volume control?". I built mine based on a schematic generated by tracing the printed circuit board of a working unit. Some component values are non-standard but I just used the nearest standard values. The ON/OFF switch was also replaced by a toggle switch because the original is an integral part of the volume control. The 9-pin mini DIN connector presented the greatest hurdle in my part of the world but got lucky cannibalizing a discarded Strobe Pro scanner. The completed unit worked as charm. The schematic can be found here: http://i1192.photobucket.com/albums/aa327/aguinart/Creative5200.jpg.

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1 Answer

Ford Explorer : How to Troubleshoot the EGR P0401 Trouble Code


P0401 - Exhaust Gas Recirculation Flow Insufficient Detected

Possible Causes:
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control valve stuck closed
- EGR volume control solenoid valve
- Dead (Weak) battery
- EGR passage clogged
- Exhaust gas leaks
- Faulty EGR valve

Possible Solutions:
- Clean EGR Valve
- Replace EGR Valve
- Repair EGR harness or connector
- Replace EGR volume control solenoid valve
- Replace EGR volume control valve

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1 Answer

I'M WORKING ON MY XU2600 RADIO AND MY VOLUME CONTROL WILL NOT REACH MAXIMUM INTENSITY AFTER REPLACING MICROPHONE AND EAR PIECE JACK.IT'S LIKE IT ONLY HAS HALF THE VOLUME.ANY REMEDY? ALSO ANY SCHEMATIC...


Schematics were never offered for the XTN and CP100 line of radios. You may have a speaker or volume potentiometer issue. Check both of these items. If this is not the issue then your radio is possibly non-repairable. Low Rx volume is known to occur on some XTNs, usually in conjunction with running the radio at full volume for extended periods of time. This low Rx volume issue can be corrected about 50% of the time by a qualified service center.

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Creative Inspire 5300 Volume Control broken!


For those searching the answer "How to replace/repair Creative Inspire 5300 volume control":

Its simple : looking at the back of the suboofer, the pins are as follows from top right, clockwise : LED VDD , Balance pot middle leg, GND, pots + legs, Volume pot middle leg, on switch input. Connect one pots ends to GND and the other ends to pots +, connect a switch on GND and on switch input, anode of led to LED VDD, cathode to GND (there is a 1,8k resistor inside so no external resistor needed)
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Is there a microphone dell dimension 3000?


Microphones on desktops are external, they connect to the pink connector in back or infront on your case. Once connected,doble click on the speaker icon on the systems tray by the clock. This will open up volume display, if microphone is not displayed open options select properties,select MIC volume checked, un-mute mic on volume control..
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Toshiba


do you get a flashing led if so how many times?

this is a post from someone else:
Thought I would report my finding with this set. Maybe someone else is experiencing the same problem.

The set would turn on with no picture. No high voltage - no raster. By turning up the volume, you can hear some noise in the speakers. This set has many fuses and they all checked out ok.

I located some schematics on the net for the previous generation set - 40H80/56H80. I could not find any site with the 50H82 schematics without paying. The 40H80 seemed to match the 50H82 fairly closely. I checked the horizontal output transistor with a scope and found no signal. I traced the signal back to a board on the signal schematic called the DPC module. No HOT signal was being generated by this module. Per the schematic, I checked the voltage supply pins at this module and found everything ok except pin 6 which is supposed to be +12V. I traced this back to the power supply connector and found voltage (pin3 of 8 on BB30). Since I got the set for free and I was feeling risky, I shorted the +12V at the connector to pin 6 on the DPC. I got a small spark and the set shutoff, but I could hear static which indicated that the HOT briefly same on. I shorted out the connection again and turned the set on. This time is powered up and came back to life. I've run the set for a couple days so far and it appears to be working great.

I may have gotten very lucky, or I may be shorting out something that is not supposed to be shorted. I would really appreciate it if someone who has the real 50H82 schematic could check the connection between DPC pin 6 and the power supply connector BB30. If this is a real connection, I have to assume that the trace burned out somewhere. It vias up and down all over the place and is very hard to follow.

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