Question about IBM (HP-L1607F3P) (HPL1607F3P) 160-Watt Power Supply

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Causes of power supply problems - IBM (HP-L1607F3P) (HPL1607F3P) 160-Watt Power Supply

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Blown capacitors

Posted on May 07, 2014

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Posted on Jan 02, 2017

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Tv turns off red light blinks 9 times


Sony tv led and blinking codes

  • 0 times, Diagnosis: Power does not turn on. Possible causes include: Power cord is not plugged in, Fuse is burned out (F6001) (G board). Symptoms of the problem: Power does not come on, No power is supplied to the unit, AC power supply is faulty.
  • 2 times, Diagnosis: B overcurrent (OCP). Possible causes: H. OUT (Q8024) is shorted. (D board), +B PWM (Q8035, 8038) is shorted. (D board) Symptoms of the problem: Power does not come on, Load on power line is shorted.
  • 3 times, Diagnosis: +B overvoltage (OVP). Possible causes: IC501 is faulty (G board), IC5002 is faulty (G board). Symptoms of the problem: TV has entered standby mode.
  • 4 times, Diagnosis: Vertical deflection stopped. Possible causes: +- 15V is not supplied. (D board), IC8003 is faulty. (A board) Symptoms of the problem: TV has entered standby state after horizontal raster, Vertical deflection pulse is stopped, Power line is shorted or power supply is stopped.
  • 5 times, Diagnosis: White balance failure (Not balanced) Possible causes: Video out (IC7101, 7201, 7301) is faulty (CR, CG, CB board), CRT drive (IC309) is faulty (A board), G2 is improperly adjusted. Symptoms of the problem: No raster is generated, CRT cathode current detection reference pulse output is small.
  • 6 times, Diagnosis: LOW B OCP/OVP (Overcurrent/over voltage). Possible causes: +5 line is overloaded. (A, B boards), +5 line is shorted. (A, B boards). Symptoms of the problem: No picture.
  • 7 times, Diagnosis: Horizontal deflection stopped. Possible cause: Q8035, 8038 is shorted. (D board)
  • 8 times, Diagnosis: High voltage error. Possible cause: T8005 is faulty. (D board)
  • 9 times, Diagnosis: Audio error. Possible causes: +- 19V line is shorted. (A, B boards), IC708 is faulty. (A board), PS701 or PS702 is opened. (A board). Symptoms of the problem: No sound
I hope this will be of some help to you

Mar 22, 2012 | Sony Televison & Video

2 Answers

14 month old samsung 32in 530 series lcd tv will turn on fine, then after a few minutes start turning on and off repeatedly for ever...until i pull the power. What do i do, call samsung?


its possibly dry joints on the power supply-the heat generated causes the solder to crack,and when warm creates a "crater" on the affected joint and expands with heat,and loses contact until cool.(retraction).should be easy if you are handy with a soldering iron!.failing that,take it to a repair shop as its out of warranty,and samsung will not want to know! (unless you got extended warranty,of course!)
good luck,steve

Sep 12, 2011 | Samsung LN32C530 32 in. TV

1 Answer

Its on stand by but wont start up


In that case or problem of you television,the cause is the deffective power supply.The power supply is dead or has a low voltage output.The cause of that problem of power supply is the deffective capacitor.The capacitor is totally leak and cannot filter the voltage.The leak capacitor can cause of volatge drop.So if you want to repair the power supply,try to pull out the power supply to the cassing and remove the cover to see the leak capacitor.You can identify the leak capacitor through visual checking,if you don't know how to use the capacitor tester.If the capacitor have rounded shape at the top and have some moise,that a leak capacitor compare to flated top shape of the good capacitor.Replace all leak capacitor with new and same value for example.330mf/35v.Avoid short circuit at the PCB board of the power supply.Try my suggestion or procedure.Hope it will help you.Thanks..

Aug 29, 2011 | Televison & Video

1 Answer

Red light blinking in back. no picture or sound


That symptom is cause of power supply problem.The power supply have abnormal output voltage cause of leak capacitor.Its better to replace all the leak capacitor of the power supply to make the power output make normal voltage.Thanks...

Aug 24, 2011 | Element Electronics FLX3210 32 in. LCD TV

1 Answer

My computer keeps shuting off.


the shutting down problem can be caused by:
  1. dirty processor radiator
  2. power supply problem
clean your radiator and restart your pc, if the problem was not solved check the power supply.

Jan 02, 2011 | Antec Neo HE 550-Watt ATX CPU Power Supply

1 Answer

C6400 error problem of kyocera printer


C6400

Contents: Zero-crossing signal problem
• The engine PWB does not detect the zero-crossing signal for the time
specified below.
At power-on: 3 s
Others: 5 s

Causes: Poor contact in the connector terminals.
Check procedures/corrective measures: Check the connection of connectors YC7
on the engine PWB and YC2 on the power
supply PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.

Causes: Defective power supply PWB.
Check procedures/corrective measures: Check if the zero-crossing signal is output
from YC2-11 on the power supply PWB. If
not, replace the power supply PWB.

Causes: Defective engine PWB.
Check procedures/corrective measures: Replace the engine PWB if C6400 is detected
while YC2-11 on the power supply
PWB outputs the zero-crossing signal.

Dec 17, 2010 | Kyocera FS-1118MFP Laser Printer

1 Answer

MY TV all the sudden lost sound and is just making static noise


Hello:

This model has problems with the power supply causing audio issues, There are bad capaictors on the power supply that causes this problem, have the power supply replaced to restore unit to normal operatin spec's

Jan 30, 2010 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

No picture


LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:

Symptom: No picture on screen but LCD TV still has sound.
Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound.
Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture
Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound
Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits
Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright
Solutions: The problem is cause by defective LCD Panel.It needs to be replace.

This is a power supply problem. Try to check the fuses ,fusable resistor ,capacitor and transistor in power supply board.

Hope it may help you;

Regards,
VOTIT

Oct 01, 2008 | Olevia LT37HVS 37 in. LCD HDTV

1 Answer

Picture washed out, can't get it right


LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:

Symptom: No picture on screen but LCD TV still has sound.
Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound.
Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture
Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound
Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits
Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright
Solutions: The problem is cause by defective LCD Panel.It needs to be replace.

Sep 21, 2008 | Akai LCT2715 27 in. LCD Television

2 Answers

Pc will not power up


Swimmie
to chack ur power supply open all connector from system board and drive. then conect power cable with powr supply and powr on ur wall outlet switch. than take mother board connector find green color wire and take a small pice of coper wire and connect it with this green wire and a black wire. then chack smps fan is moveing or not if it's moveing then ur smps OK.

Jun 27, 2008 | Okia / 450-Watt / ATX / 80mm Fan /...

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