Question about RCA L32W11 32 in. HD-Ready LCD Television

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Anyone know the volts on the 7 pins on the power supply on L32w11 I know pins 2,3,4 are ground, but the rest I am not sure.

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12 volts on pin 1.
24 volts on pins 5, 6
Pin 7 is the ON/OFF to turn the power supply circuitry ON.

Posted on Oct 03, 2009


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Fortron ATX 300GTF wanting 2 power the molex connector on this unit for an external disk drive not linked to a computer.cant get power without plugging in or modding the 20 pin power adaptor.

Most new power supplies can only be turned on via motherboard signal. That is why you have to plug in the 20/24 pin connector from PS to mo bo. When operating yellow wire is 12 volts and red is 5 volts DC. And black is ground.

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1996 jeep cherokeecranks no spark on coil or distributer

Test procedure:

1. Test powers and grounds at the Powertrain Control Module (PCM) on the C1 connector. Pins 2 and 22 are power, then check pins 31 and 32 for ground.

2. Next, test the 5 volt power supplies at pin 17 of the C1 connector and pin 31 of the C2 or middle connector for shorts to ground. Sensors on the circuit are the Camshaft Position (CMP) sensor, Crankshaft Position (CKP) sensor, Throttle Position Sensor (TPS), Manifold Absolute Pressure (MAP) sensor and Vehicle Speed Sensor (VSS).

3. Unplug the sensors on the 5 volt power supply, one at a time, while monitoring the 5 volt supply.

4. When the shorted sensor is unplugged, the PCM will wake up and scan tool communication will return.

5. The wiring harness could also be shorted to ground on one of the 5 volt power supply wires. Cut the wires at the PCM on pins C1-17 and just unplug the center connector. Then check for the 5 volts on the PCM of the connector or checking for any continuity to ground with the sensors unplugged at the PCM connector on C1-17 and C2-31 to check the wiring harness

Nov 16, 2013 | Cars & Trucks

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Atx motherboard wiring diagram

For the power cables from the Power Supply? Or Power Supply, and Front Panel header on the motherboard?

For both of these you need to state the computer manufacturer name, and Model Number.
Post back in a Comment.

If you just wish a generic, one-size-fits-all explanation;

A) 20 or 24-pin ATX main power cable.

The older computers use a 20-pin ATX main power cable. As computers needed more power to the motherboard, the 24-pin ATX main power cable was brought out,

Scroll the page down for info on the 24-pin ATX main power cable.

[ Much older motherboards (AT) used two main power cables. { In the link - Original PC main power cables} ]

B) 4-pin ATX +12 Volt power cable.
Was brought out because Processors needed more power, than the 24-pin ATX main power cable feeding the motherboard, could deliver.

Power for the Processor,

C) 4-pin standard Peripheral power cable
Commonly misnomered as 'Molex'.

Molex was a model name given by the first manufacturer, of this design of power cable connector.
The name stuck. Kind of like referring to an adjustable open-end wrench as a Crescent wrench.

It is also referred to as a 4-pin Standard Peripheral power cable, because there are two styles of 4-pin Peripheral power cables.

4-pin Standard Peripheral power cable,

Generally used for IDE (PATA) harddrives, and IDE optical drives.

4-pin Small Peripheral power cable,

Older computers used it for power to the Floppy Drive. It's generally used now to provide power for a Card Reader.

Note that both types of connectors use the same power wires, and 2 ground wires.
Yellow is 12 Volts
Red is 5 Volts
Black is Ground

[ Also, in the ATX main power cable:
Orange is 3.3 Volts, the Green wire is the Soft Power On wire. Abbreviated as PS_ON.

Power Supply plugged into power, the Soft Power On wire is briefly touched to ANY Ground wire. This is bypassing the Power On switch.
If the computer (Power Supply) comes on, you have a bad Power On switch.
IF the computer (Power Supply) does NOT come on, you have a bad Power Supply ]

(ALL Black wires are Ground wires. They all lead back to one central Ground point.
ALL power wires lead back to one point in the power supply, for EACH power wire.

The 12 Volt power wires, (Yellow), all lead back to one point in the Power Supply.
This is the 12 Volt power rail.

The 5 Volt power wires, (Red), all lead back to one point in the Power Supply.
This is the 5 Volt power rail.

The 3.3 Volt power wires, (Orange), all lead back to one point in the Power Supply.
This is the 3.3 Volt power rail ]

D) SATA power cable
15-pin power cable for SATA harddrives, and SATA optical drives,

[ The smaller 7-pin SATA connector is the interface cable, or data cable.

IF, you have a SATA harddrive that has a provision for a SATA power cable, AND a 4-pin standard Peripheral power cable, ONLY use the SATA power cable.

It will burn out the harddrive if you use both. It may not do it right away, but eventually it will.
I have had people state over the years, that they were using both power cables. Came back two months later to tell me their harddrives had burned out ]

More to follow in a Comment.


Sep 30, 2011 | Computers & Internet

2 Answers

The power supply came with no manual. There is no P IV power lead. There are two aux power leads. (1) four wire (O,B,R,Y) and (1) six wire lead (B,Y,B,Y,B,Y) The original power supply P IV lead has four...

As you've noted you need two Black wires (Ground), and two Yellow wires (12 Volt),
for a 4-pin ATX +12 Volt power cable,

If you are not using the 6-pin PCI Express power cable,

,rob the 4-pin ATX +12 Volt power cable connector, and wires from the old power supply.

Splice the wires of the 6-pin PCI Express to them.

Orange wires are 3.3 Volt
Red wires are 5 Volt
Yellow wires are 12 Volt
Black wires are Ground wires.

You need two Yellow wires, and two Black wires.

Or if you have a spare 4-pin standard Peripheral power cable from the power supply,

,buy and use an adapter power cable.

Nov 27, 2010 | Coolmax Technology COOLMAX M500B 500W EPS...

1 Answer

I am trying to troubleshoot whether or not my ultra x2 connect 550 watt power supply is bad. When you press the power button on the computer, the light flashes and then noth9ing else happens. The light...

Well here is a way to check your power supply, on your hard drive connector using your volt meter and measuring from ground. this would be using one of two middle connectors it should measure +5 VDC on the red wire and + 12 VDC on the yellow wire. If these voltages are good then we got to see if the power supply is producing the -12VDC voltage. This voltage is ussed by the syustemboard on pin 14 of a 24 pin power supply. I would recommend not having your system board plugged in while measuring these votlages, but the power supply may need a load, I would plug in the cdrom.. Below are a couple of picture to explain this and a link to a website that has this documented.

dfish26_1.jpg The 24 pin main power connector was added in ATX12V 2.0 to provide extra power needed by PCI Express slots. The older 20 pin main power cable only has one 12 volt line. The new 24 pin connector added one line apiece for ground, 3.3, 5, and 12 volts. The extra pins made the auxiliary power cable unnecessary so most ATX12V 2.x power supplies don't have them. The 24 pin connector is polarized so it can only be plugged in pointing in the correct direction.
Pinout Pins 1 through 12 Pins 13 through 24 Description Wire color Pin number Pin number Wire color Description +3.3 volts orange 1 13 orange +3.3 volts +3.3 volts orange 2 14 blue -12 volts ground black 3 15 black ground +5 volts red 4 16 green PS_ON# ground black 5 17 black ground +5 volts red 6 18 black ground ground black 7 19 black ground PWR_OK gray 8 20 white -5 volts (optional) VSB +5 volts purple 9 21 red +5 volts +12 volts yellow 10 22 red +5 volts +12 volts yellow 11 23 red +5 volts +3.3 volts orange 12 24 black ground
Good Luck I hope this helps.

Nov 19, 2010 | PSA Ultra X2 Connect (ULT31851) 550-Watt...

1 Answer

I need to build a psu for my sony vaio vgc m1 (18 pin motherboard connector) any1 know how to do this? or if any1 has a spare thanks

Make a Switching Mode Power Supply? (SMPS)

Ummm, no.

Have it repaired by a competent tech would be one solution. Pretty hard to find, as most are just glorified parts changers.

Information to pass on to the tech:

I've been searching the internet, and it seems a the R20 resistor on the circuit board, (Don't know if it's on the input base plate, or the stabilization base plate), is one component that fails.
It is a .22 Ohm resistor.
(That's point 22 Ohm, not 22 Ohm)
A competent tech will know what voltage range, and tolerance range, to use for a replacement.

The second component that seems to fail is one, or all four, of the power MOS-FET's.

(IF I understand correctly, the 07N60C3 MOS-FET's, are Infineon SPP0760C3 unit's.
Again IF I understand correctly, the Hitachi 2SK3234 may be a replacement)

The power supply used was made by Delta Electronics. It was made in Japan. The model number is DPS-197AB.
Sony's Part Number is 1-468-878-11.

The pinout of the 18-pin ATX main power cable connector, (CN1), according to my sources is;

Pin 1 - Orange - +3.3 Volts
Pin 2 - Orange - +3.3 Volts
Pin 3 - Red - +5 Volts
Pin 4 - Blue - Power Signal
Pin 5 - Green - PS-ON (With ground power source on)
Pin 6 - White - Fan -(Motherboard fan)
Pin 7 - Pink - + of Mfan (Case fan. same/same)
Pin 8 - Yellow - +12 Volts
Pin 9 - Yellow - +12 Volts
Pin 10 - Black - Ground
Pin 11 - Black - GRD
Pin 12 - Black - GRD
Pin 13 - Black - GRD
Pin 14 - Purple - +5 VSB (+5 Volt Standby. The usual 5 Volts)
Pin 15 - Gray - Power Good
Pin 16 - Black - GRD
Pin 17 - Black - GRD
Pin 18 - Yellow - +12 Volts

The PSU (Power Supply Unit) case, indicates 197.7 Watts is the maximum rated amount.

1) The 3.3 Volt power rail can handle 8 Amps (26.4 Watts)
2) The 5 Volt power rail can handle 7 Amps (35 Watts)
3) The 12 Volt power rail can handle 14 Amps (168 Watts)

Total is more like 229.4 Watts.
(Of course this power supply, probably only has a maximum sustained efficiency of 80 percent)

To you:
A computer only uses the power it needs, and NO more. If there was a way to hook up a 1000 Watt power supply, it wouldn't hurt the computer.

IMHO, a tech will not be able to substitute the circuit board, and components, out of another power supply, and be able to fit it in the power supply case, that fits in the Sony Vaio VGC M1 All-In-One computer.

The size, and shape of the metal casing, is a Proprietary item for the Vaio VGC M1, as well as the 18-pin ATX main power cable connector.
(As you are already aware about the 18-pin connector pinout)

(Proprietary meaning made for THAT computer)

This would mean using an external power supply. Something that a professional tech is not going to approach.
Liability issues dealing with safety.

IMHO though it is a feasible approach, IF, the power supply has a metal case cover of solid design, that allows a space between it, and the replacement power supply's case.

Power supply's cases have ventilation holes in them.
What do you suppose would happen if a toddler, inserted a metal rod down into one of those ventilation holes?
Bad shock to Fatal!
Also if water were accidentally spilled on the power supply.

There would have to be a metal casing that allows an air space between it, and the replacement power supply's case, so the replacement power supply would have adequate ventilation. Would also be a safety guard.

I have also searched online, and I also concur that the Delta DPS-197AB power supply, is as rare as hen's teeth.
(Chicken hens do not have teeth)

I did see where someone on Ebay UK had one for sale, but the listing is over.
I saw a Japanese auction website that had one also, but it's listing was over.

I also saw where a person on a forum had two for sale. (Long over with)
Indication was a bad power supply, but the final diagnosis revealed the motherboard was bad.
(Food for thought)

{I also saw where a motherboard was offered on Ebay}

To conclude:
MAYBE, there is a tech that will outfit an external power supply.
Not a very aesthetic approach, but a viable one. (IMHO)
The tech will remove the 18-pin connector from the power wires of the original power supply, and insert the power wires of the replacement power supply into the 18-pin ATX main power cable connector.

Or perhaps an individual will again offer the power supply


DO NOT open the power supply yourself!!
There are Electrolytic Capacitors used in the power supply. (Input Stage, and Output Stage. They are used as Filters)

An Electrolytic Capacitor slowly builds up a charge, then releases it, All At Once.
They can hold a charge, once removed from power, for weeks, months, and sometimes over a year.

IF, your finger's touch the terminals on the bottom of an Electrolytic Capacitor, the charge can be released to you!

IF, your finger's touch, and complete a circuit that one, or more capacitors are in, the charge can be released to you!

Bad shock to FATAL!

There is a proper way to discharge a capacitor.
I will not list it.

Repair is for a qualified, competent repair tech.


The above link, is to show you some of the Electrolytic Capacitors used inside a Delta DPS-197AB power supply.
The link is not translated on purpose.

Scroll down to the 3rd, and 4th photo. That large Black object that looks like a Can, and has - 4742AW on it, is an Electrolytic Capacitor.

This one has enough power stored to put X's in your eyes]

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Where to plug case side fan

Pinout Pin number Wire color Description 1 yellow +12 volts 2 black ground 3 black ground 4 red +5 volts

Jan 27, 2009 | Okia / 450-Watt / ATX / 80mm Fan /...

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Cobra 142 base

I don't know this radio individually, but heres the common thing that happens:
Sounds to me like the 8 volt regulator chip has blown after overvoltage. I expect the power supply has gone too, putting 18+ volts into the radio.
Repair the power supply. (Check its 13-13.8 Volts).
Then check the regulator (7808) is putting out anything, should be middle pin ground then 13V one side and 8V the other, if nothing, its blown. Replace it if gone.
Hopefully thats all thats gone and it should work again.

Dec 29, 2007 | Cobra PR-245/2 (7 Channels) 2-Way Radio

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