Question about DEC VT320 Network Terminal

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I have a VT320 Digital Terminal. In that, the display is not coming. On opening I found that the there seems to be problem in the power supply side. What should be the DC output voltages. COuld you give the details of DC output

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99 Denali wiring from BCM


The BCM seems to be the source of some of the problems you mention. The red wire connected to terminal F is the power source. The BRN wire connected to terminal D supplies power to the ignition switch. The DK BLU wire connected to terminal C supplies power to the wiper and radio fuses and the power window circuit breaker which probably is the source of the clicking sound in the instrument panel fuse block. Normally, with the ignition switch in START or RUN position power is applied through GAUGES fuse 4 to the instruments (not dash lights) in the cluster. I believe replacement of the BCM will solve most of the problems you describe

Oct 30, 2012 | 1999 GMC Yukon Denali

1 Answer

Hp compaq 945 dosent turn on


Bypass the Power On switch. This will tell you if the problem is the Power On switch, or the Power Supply.
Has nothing directly to do with the Power On switch, or it's wires.

A jumper wire is used on the 24-pin ATX main power cable's connector.
Jumps from the green Soft Power On wire to ANY Black wire,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

The preferred jumper wire is a paper clip.
The paper clip is straightened out, then bent into a U-shape.
The top of the U is wrapped a few times with black plastic electrical tape.
This tape area is for your fingers and thumb to hold onto.

Turning the U-shape upside down the 'Legs' are what is used.
One leg goes down into a socket hole with the Green wire.
The other leg goes down into a socket hole with ANY black wire.
ALL Black wires are Ground wires.

The BACK of the 24-pin ATX main power cable's connector, is where the wires go into it.
The leg of the U-shaped paper clip, goes down into the socket hole with the Green wire, RIGHT NEXT TO THE WIRE.

Right next to the green insulation of the wire.
The 'leg' has to go pretty far down in the socket hole.
It has to go far down in the socket hole, and TOUCH the metal terminal at the end of the wire.

The other leg of the U-shaped jumper wire has to go down into a socket hole, with ANY Black wire in it. It also has to touch the metal terminal at the end of the Black wire, down in that socket hole.

[All wires going into the 24-pin ATX main power cable's connector, end in a metal terminal,

http://www.molex.com/molex/products/datasheet.jsp?part=active/0002081202_CRIMP_TERMINALS.xml&channel=Products&Lang=en-US

The Back of the metal terminal is the left side. The tangs on the left side, have not been crimped down on a wire yet. (Insulation)
The jumper wire touches this side.

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

The Front of the metal terminal is the right side. The opening of the metal terminals, and Front side, can be seen in the middle photo of the Playtool link,


Power Supply plugged into power; 24-pin ATX main power cable plugged into the motherboard, as shown in the photo to the far right in the Playtool link above.

The contact period of the U-shaped jumper wire is Brief.
No more than 2 seconds. The Power On switch is a Momentary Contact Switch.

IF, the Power Supply comes on you have a bad Power On switch.
IF, the Power Supply does NOT come on you have a bad Power Supply.

For additional questions please post in a Comment.

Regards,
joecoolvette

Sep 21, 2012 | HP Compaq Business Desktop dc7700 -...

1 Answer

No power


No power to the motherboard?
Have you performed the test to see whether the problem is the Power On switch, or the Power Supply?
The test involves bypassing the Power On switch.

Nothing to do with the actual cable (Wires) that go from the motherboard to the Power On switch.

If you bypass, and the Power Supply comes on, you have a bad Power On switch.
If you bypass, and the Power Supply does Not come on, you have a bad Power Supply.

The MSI (Micro Star International) K8MM-V motherboard uses a 20-pin ATX main power cable.

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

The Green wire you see is the Soft Power On wire. (PS_ON)
ANY Black wire you see is a Ground wire.

A jumper wire is used to make a Momentary contact from the Green wire, to ANY Black wire.

Observe the photo to the far Right.
Where the wires go down into that connector is the Back of the connector.
Each socket hole has a wire.
At the end of every wire is a metal terminal.

The metal terminals are pretty far down in the socket holes.
The jumper wire must go down into the socket hole, NEXT to the wire already in there, and Must touch the metal terminal.

The jumper wire slides down in the socket next to the wire, and touches the metal terminal down in the bottom, of the socket hole.

A paper clip is usually used for a jumper wire. The small diameter of the paper clip allows it to slide next to the wire, go down in the socket hole, and touch the metal terminal at the end of the wire.

A paper clip is straightened out, then bent into a U shape. The legs go down in the socket holes, (Green wire, and ANY Black wire)
The middle of the paper clip is wrapped few times with Black plastic electrical tape.
This is for your finger, and thumb to hold onto.

The contact period is no more than 2 seconds. (1001,..1002)

The voltage you will be dealing with is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.

Computer plugged into power, computer case open, computer laying on it's side.
Use the jumper wire.

If the Power Supply comes on, you have a bad Power On switch.
If it doesn't, you have a bad Power Supply.

The Power On switch is located inside the plastic Power On button assembly.
This is one generic ATX power on switch that I have found fits many computers,

http://www.directron.com/atxswitch.html

Should like to know your findings.
Regards,
joecoolvette

Nov 19, 2010 | MSI K8MM-V Motherboard

2 Answers

Tape loading mechanism jammed


Hi...Tape jam inside your Camcorder ...fi you look careful on the side of the door tray look for a little hole it release manually the door but carefully remove the tape.. it possible the tape is unroll around the mecanism see if you cant release the pinch roller inside it a little black roiling rubber,it holding the ribbon tape

Oct 18, 2010 | Sony HVR-Z1 Mini DV Digital Camcorder

2 Answers

Vt320 j2's screen is dim


It's probably the screen panel on it's way out.

Hope this helps!

Feb 05, 2010 | DEC VT320 Network Terminal

1 Answer

No power to my pioneer gm5300t


arcanum,

good day bro, from your Pioneer amp supply line do you also see a terminal marked as " System controller" ? did you also supply 12V DC to this terminal?

the standard power configuration for Pioneer Car amps would be:

12V Dc (+) supply / ( - ) supply ground / System Controller ( supplied by +12V DC)

12V ( + ) supply and The ( - ) supply ground is for stand by power, once you connect the supply through this terminal you will now have the stand by power but will not power on the unit even the LED power indicator.

System controller terminal, this should be supplied by ( + ) 12V line to power up the amp. this serves as the ON/OFF switch for the amp.

cheers,
mark

Jan 25, 2009 | Pioneer GM-5300T Car Audio Amplifier

1 Answer

Ricoh Caplio R3 display dark


I diagnosed this one. When I plugged in the AV cable the display was coming up on TV screen so figured it must be a power supply to the camera's display. Found a broken solder joint and fixed it!!
The camera is not worth spending money or time on repairs. Last time it stuffed out within guarantee time, it needed to go to Hong Kong and took 3 months to return.

cheers,
Paul

Aug 31, 2008 | Ricoh Caplio R3 Digital Camera

1 Answer

NO power display dimesnion 4 range national microwave NNC 2000P MODEL


on front panel there is alow voltage transformmer the primary side isopen circuit replace

Mar 20, 2007 | Panasonic NN-C994S Convection/Microwave...

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