Question about BenQ DV2050 20 in. HD-Ready LCD Television

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Modesupply no sec. voltage replaced condensers in primary & sec section

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Its a power supply board problem and that needs replacement.many users face this same problem and get it solved after replacing the power supply board.
you can get it at
or at
if after replacing the condensor the problem not solved that means power supply problem and board needs replacement.
Please do rate the solution. Thank you for using fixya.keep updated. thanks

Posted on Jul 18, 2009


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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
Type in the brand name of your device, in the search box [at the top right] of the display window, and press enter to get all related posts. It will make surf easy.

Feb 05, 2015 | LG Televison & Video

2 Answers

What purpose does the ignition condenser play .

The condenser (capacitor) has nothing to do with generating the hi-voltage, it is simply a filter. But it can leak or short and can affect the hi-voltage. If the condenser becomes questionable it is better to just replace it since it is so cheap.
Then I would use a point file to dress the points and reset them to the recommended gap. (or just replace, also cheap).
The coil itself could be suspect. Usually you can find the primary and secondary coil resistance online and check with an ohm meter to see if it is out of specs. The primary (- & + terminals) usually run .4 to 2 ohms. The secondary (- & coil tower) usually run 6K to 15 K Ohms.

Jan 13, 2014 | 1985 Dodge Ramcharger

1 Answer

I have a sony ericsson charger mod:cst-13 ,i changed 13001 transistor but i have no output in the out put trans & voltage on the collector of transistor is equall to 295V with 220Vac input

This is not that easy. That little charger has an optical coupler and zener diodes for regulation. The whole thing sells for about six dollars.

Aug 03, 2017 | Cell Phones

1 Answer

The lights do not come on my LJ 1012. I have power coming to it (I substituted a LJ 1020), The power switch is on, and the one fuse inside near where the power comes in is good.

I you are tec guy:
Remove power supply board check secondary section power voltages, if not voltage, check primary section if found any component faulty replace it, if you are unable to repair it replace power supply board..
part no : RM1-0807-000, 110V
: RM1-0808-000, 220V

Sep 09, 2011 | HP LaserJet 1012 Printer

1 Answer

Amplifier : Apx1300 Watts : 300w Relayed with cables #6 from 12v battery to condenser. Relayed from condenser to + pole on the amp Condenser relayed to direct bodycar ground bolt. Amplifier relayed...

Most probably you have grounding problem.Check for bodycar ground bolt if there is any rust or dirt.If your Amp restricting voltage to 6.5 you wouldn't have 12 V on the battery terminal eather,and fuse that supply power line would be blown by now.Defiinetly check ground,as you described problem above that what sounds is like

Aug 22, 2011 | Clarion APX1300 Subwoofer Mono Amp - 300W...

1 Answer

When i installed hard drive and set the jumper on primary master it dint show up and in bios the txt is showing like that primary master drive 0 (not installed)

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect your hard drive

Test or replace all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard)) drive make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
you could run the check disk utility

click start run type cmd then type chkdsk/r/f which will scan for and attempt to repair any bad sectors and automatically fix any corrupt files on your hard drive then defragment your hard drive

During the boot process you will see on the screen to press a certain key to enter setup

Press and hold that key during the boot up process to enter BIOS the scroll down to advanced bios features press enter change your first boot device to cd,press escape then press f10 to save to cmos to restart

(note after you have loaded the operating system you must go back and change the first boot device to your hard drive)

The options listed for 1st,2nd ,3rd Boot device include:

IDE-0 means Pri master ?
IDE-1 means Pri slave ?
IDE-2 means Sec master ?
IDE-3 means Sec slave ?


The options listed for 1st,2nd ,3rd Boot device include:

IDE-0 means Pri master ?
IDE-1 means Pri slave ?
IDE-2 means Sec master ?
IDE-3 means Sec slave ?


? single or master :::::

master with slave ::'::

???????????????? slave? :::':

note the plastic jumper is

Feb 06, 2011 | Seagate Barracuda 7200.7 40 GB Hard Drive

1 Answer

I have a Panasonic TH-42PZ70BA Plasma TV. Went to switch it on & it cut off instantly with the power button flashig red. Tried unplugging and leaving but still the same

With the information given here it seems that there is a power supply issue and the TV needs service in the power section or power supply section of the TV.
There is a protection circuit that will not power the unit if there is a voltage overload in the primary section of the power on circuit. This is a warning that something in the circuit is not voltage or current correct and has halted operation.
You need a service tech to diagnose the issue.

Mar 13, 2010 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

Image source 50 code E64

E064 Error code details Power supply voltage error (high-voltage error)

0000 The presence of a high-voltage error is communicated by the composite power supply PCB.
(The output for primary charging, developing, or transfer has deviated from a specific level of voltage.)

Main cause
 The contact has poor connection. The wiring is faulty. The composite power supply PCB is faulty. The DC controller PCB is faulty.

1. Contact
 Is any of the contacts of the primary charging roller, developing assembly, or transfer charging roller soiled? Or, is there poor contact?
 YES: Clean the contact, and set it once again.
2. Wiring
 Is the wiring between the contacts for the following normal: DC controller PCB (J301), composite power supply PCB (J136), primary charging roller, developing assembly, transfer charging roller?
 a. DC controller PCB (J301) <-> composite power supply PCB (J136)
 b. composite power supply PCB (J130-7) <-> primary charging roller contact
 c. composite power supply PCB (J130-1) <-> developing assembly contact
 d. composite power supply PCB (FT133) <-> transfer roller contact
 NO: Correct the connection.
3. Composite power supply PCB, DC controller PCB
 Try replacing the composite power supply PCB. Is the problem corrected?
 YES: Yes.
 NO: Replace the DC controller PCB. pls rate for my good deed!!!!!!!!Good Luck

Sep 21, 2009 | Office Equipment & Supplies

1 Answer

About a problem in my viewsonic monitor


Actually the common problem of viewsonic LCD monitor is bad electrolytic capacitor at primary, secondary & inverter area, if your lcd using power adaptor test the voltage out, use analog or digital tester range 50v dc, if the voltage out is accurate dont be sure to your adaptor working good, open it and find bad electrolytic capacitor inside. That is common problem of viewsonic LCD monitor could cause of display flashing then back to black after few seconds. Suspect inverter area lastly mainboard.

Gud Luck!

Oct 06, 2008 | ViewSonic VE710s  (Black, Metallic...

1 Answer


check A/C voltage,fuse,maincap220/450v,bridge rectifire,reg.IC,FET.
check O/P sec. Voltages 5v,12v,65v,80v,150v Voltages may be variations on make.
Combo section 80vdc,60vdc
processor 5v,Vertical sec+12v,-12vdc
filament sup.6.3vA/C
Horizontal sec,H O/p 100v/120v
check dries
and pt

Aug 29, 2008 | Computers & Internet

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