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GREEN PACH ON THE TAP OF THE SCREAM - JVC AV-56WP30 56" Rear Projection Television

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Amp keeps blowing fuses


Blowing fuses, was caused by many thing.
Short of rectifier,resistor,elco,tube heater,tube pin, and also trafo itself (primary or secondary winding). It must check step by step.
CAUTION :
THIS IS HIGH VOLTAGE AREA.
RISK OF ELECTRIC SHOCK THAT CAN KILL.
DON'T DO THIS IF YOU ARE NOT TECHNICIAN OR NOT FAMILIAR WITH VACUM TUBE CIRCUIT. THE CIRCUIT MAY STILL CONTAINS ELECTRIC SHOCK EVEN IF IF THE AMP IS NOT POWER PLUGGED.


The simple steps (see picture) are:
  1. Disconnect all connection from secondary of power trafo (PLV,PDCH,PACH and PHV).
    Power ON the amp. If fuse is not blowing,trafo is good.
  2. Power OFF the amp. Unplug the cord.
    Connect PLV1-PLV2-PLV3 (this are Bias voltage,+/-15VDC and Backlight PCB voltage) to power trafo.Power ON the amp. If fuse is not blowing,PLV circuit is good.If fuse blowing,there are parts is damage (dioda,elco,7815/7915,resistor) in this PLV circuit.
  3. If step 2 is good,go to next step.
    Power OFF the amp. Unplug the cord.
    With PLV circuit stay connected,connect PDCH 1-2 and PACH 1-2 to power trafo. Power ON the amp.
    If fuse is not blowing,PDCH and PACH circuit is good and all tubes heater/filaments are lights after a few seconds.
    If fuse blowing,there are parts is damage (dioda,elco,tube heater pins) in this PDCH/PACH circuit.
  4. If step 3 is good,go to next step.
    Power OFF the amp. Unplug the cord.
    With PLV,PDCH,PACH circuit stay connected,connect PHV 1-2 to power trafo.
    Power ON the amp. CAUTION: HIGH VOLTAGE AREA is ON.
    If fuse is not blowing,PHV circuit is good.
    If fuse blowing,there are parts is damage (dioda,elco,tube pins) in this PHV circuit.
.amp-keeps-blowing-fuses-01sk4vtrndbaaguwe2brflsj-5-0.jpg
Notes:
  • Steps had to be done sequentially from 1 to 4, not upside down.
  • If tube/heater pin is short,it can't be repair. The tube must be replacing.
  • PDCH circuit is voltage for V1-2-3-4 heater/filaments.
  • PACH circuit is voltage for V5-6-7 heater/filaments.
  • Always replace fuse with same type.

amp-keeps-blowing-fuses-01sk4vtrndbaaguwe2brflsj-5-1.jpg

Oct 02, 2015 | Peavey 6505 Plus 120W Guitar Amp Head

1 Answer

How do I down load photo's from my Samsung 2 phone please


First make sure you have the correct USB drivers for your phone installed on your pc. Go to device manager and see if your phone or mass storage device is listed. If not, download the drivers here, http://www.samsung.com/us/support/downloads. Make sure debugging on your phone is enabled. Please refer to the following:


  1. To set the Samsung Galaxy S2 to USB Mass Storage (MSC) mode, go into "Settings > Applications > Development" and enable "USB debugging".


  2. Then drag the status bar down and tap on "USB connected".


  3. The "USB connected" screen with the large green Android icon will appear. Tap on "Connect USB storage".

A confirmation dialog box will appear. Tap "OK". The green Android icon will turn orange, indicating that the phone is now in USB Mass Storage mode and should now appear as USB disk drives in "Devices with Removable Storage" and be assigned drive letters.

Samsung Galaxy S2 (Android 4.0)

  1. To set the Samsung Galaxy S2 to USB Mass Storage (MSC) mode, go into "Settings > More... > USB utilities" and tap on "Connect Storage to PC".


  2. Then plug the USB cable into the device and connect to your computer.


  3. The "USB connected" screen with the large green Android icon will appear. Tap on "Connect USB storage".


  4. A confirmation dialog box will appear. Tap "OK". The green Android icon will turn orange, indicating that the phone is now in USB Mass Storage mode and should now appear as USB disk drives in "Devices with Removable Storage" and be assigned drive letters.
Samsung Galaxy S2 (Android 2.3)

  1. To set the Samsung Galaxy S2 to USB Mass Storage (MSC) mode, go into "Settings > Applications > Development" and enable "USB debugging".



  2. Then drag the status bar down and tap on "USB connected".



  3. The "USB connected" screen with the large green Android icon will appear. Tap on "Connect USB storage".



  4. A confirmation dialog box will appear. Tap "OK". The green Android icon will turn orange, indicating that the phone is now in USB Mass Storage mode and should now appear as USB disk drives in "Devices with Removable Storage" and be assigned drive letters.

Samsung Galaxy S2 (Android 4.0)

  1. To set the Samsung Galaxy S2 to USB Mass Storage (MSC) mode, go into "Settings > More... > USB utilities" and tap on "Connect Storage to PC".



  2. Then plug the USB cable into the device and connect to your computer.



  3. The "USB connected" screen with the large green Android icon will appear. Tap on "Connect USB storage".



  4. A confirmation dialog box will appear. Tap "OK". The green Android icon will turn orange, indicating that the phone is now in USB Mass Storage mode and should now appear as USB disk drives in "Devices with Removable Storage" and be assigned drive letters.

Jan 09, 2015 | Samsung Cell Phones

1 Answer

My laptop Toshiba Satellite model: PSA 60U-02K015. The problem is the system keeps going in a loop in safe mode. It will not go to any windows program. How and what is the problem. How to download any pach...


During start up does it give you any options to start it normally?
Try hitting F8 during start up to see if your able to get it to boot normally.
Not sure what "pach" you are talking about.
BIOS shouldn't be the problem.
Sounds like you have a virus of some sort.

Nov 02, 2010 | Toshiba Satellite A65-S126 Notebook

1 Answer

STARUP REPAIR V2 AUTO FAILOVER 6.0.6000L1686.6.0.6.6001.18000 6 10485992 BAD PACH BAD PACH 0 3 WRP REPAIR 2 LOCAL ID 1033


I assume your trying to figure out what this is. Basically a patch didn't take and needs to be done again. The problem you face is you may end up having to do a full install following a format of the main drive. If you received this message after trying to do a startup repair you are left with needing to do an install and I recommend you do a clean install by formatting the HD. You can try to an install over your current OS to save any information you may have on the HD but in most cases this is going to fail if you are getting this message.

Nov 20, 2009 | Acer Aspire 5100 Notebook

1 Answer

Sound does not work or to be more accurate works randomly after x restarts - sound works again


kindly install the proper sound dirver and install the service pach 3 also.

Sep 07, 2009 | Sony VAIO VGN-220E/B Notebook

1 Answer

No sound


u have to plug the speaker in green hole only.

Sep 02, 2008 | HP JBL Platinum Computer Speakers

1 Answer

I need help to conected my linkyss router model wrt54gs at my conection dsl


Check if your Dsl is up and running. Your Dsl modem should have a green led with a green light that most be solit green. Connect a cat 5E pach cable from the back of the modem ( it look like a phone pug but it is big er ) to the back of the router, in the port that is label WAN.

Mar 03, 2008 | Computers & Internet

1 Answer

OC error, Please help me


I have the same problem... any easy fix for this?

Jan 12, 2008 | Audio Players & Recorders

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