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Search: Posts Made By: JEWilson
Forum: Troubleshooting Power Supplies and Power Supply Design 02-14-2013, 11:39 AM
Replies: 10
Views: 2,051
Posted By JEWilson
Re: iMAC G5 PSU (again.. sigh)!

No code

No Test

Took your word for it (found it in the forum)

Thx
Forum: Troubleshooting Power Supplies and Power Supply Design 02-14-2013, 01:59 AM
Replies: 10
Views: 2,051
Posted By JEWilson
Re: iMAC G5 PSU (again.. sigh)!

Well....

This is the first time I have used this part
So.. we will see if it does the trick
Will do load testing and see how this plays out

Have another of the same PSU model (and got a...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-13-2013, 07:58 PM
Replies: 10
Views: 2,051
Posted By JEWilson
Re: iMAC G5 PSU (again.. sigh)!

Ok

Zener ZD6 - NXP BZV55-B16,115, Mouser P/N - 771-BZV55-B16115
Diode D2 - Fairchild FDLL4148_D87Z, Mouser P/N - 512-FDLL4148D87Z
Transistor Q1 - Fairchild MMBT2222A, Mouser P/N -...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-13-2013, 04:31 PM
Replies: 10
Views: 2,051
Posted By JEWilson
Re: iMAC G5 PSU (again.. sigh)!

Update

This unit had a bad Q1
I replaced D2 and ZD6 anyway
Replaced Q1 with a 350mW part

Seems to be ok again

Now... load testing
Any thoughts on using an ATX go/no go PSU tester
Forum: Troubleshooting Power Supplies and Power Supply Design 01-20-2013, 12:57 PM
Replies: 10
Views: 2,051
Posted By JEWilson
Re: iMAC G5 PSU (again.. sigh)!

Y - recapped the PSU
All of them except the main large can lytics for the primary and PFC
Someone had been there before me - did part of the job

Funny, post recap
Got the unit to start (with...
Forum: Troubleshooting Power Supplies and Power Supply Design 01-19-2013, 09:12 PM
Replies: 10
Views: 2,051
Posted By JEWilson
iMAC G5 PSU (again.. sigh)!

Manu - AcBel
http://www.acbel.com.tw/eng
Model - API4PC46
Apple P/N - 614-0326

System unit stuck on LED1
Will not start
Removed PSU, recapped
Tested PSU out of unit post...
Forum: Troubleshooting Audio Equipment 12-15-2012, 03:21 PM
Replies: 3
Views: 3,268
Posted By JEWilson
Re: Harman Kardon AVI-100 Receiver

Thanks for responding

Well.. well.. well

Seems the IR is ok.
Did originally test this under flu tubes in the kitchen.

However...
This unit is going into protect at slightly high volumes...
Forum: General Computer Discussion 12-15-2012, 11:26 AM
Replies: 0
Views: 1,206
Posted By JEWilson
HP ML150 G3 servers

Have an issue with CPU support on this

There are two mobos available
399971-001 410426-001 for earlier dual core only CPU systems
436356-001 436718-001 for later dual and quad core CPU systems...
Forum: Troubleshooting Audio Equipment 12-13-2012, 06:10 PM
Replies: 3
Views: 3,268
Posted By JEWilson
Harman Kardon AVI-100 Receiver

Seems to have issues with IR receiver (eye) in the unit

The part is a Hitachi TEMT5380 according to the service manual
Can't find these
This is a 38kHz part
Have been able to find a datasheet...
Forum: Troubleshooting Audio Equipment 09-23-2012, 08:36 AM
Replies: 0
Views: 1,132
Posted By JEWilson
TASCAM Mixer

Hi Folks

Have a M-1016 for service, a cousin of the M-1024
Seems to be ok...

Bit old but still good
Need the service and/or user manuals

Tascam want 50 plus sterling (not a chance)!
eBay...
Forum: Troubleshooting Audio Equipment 02-09-2012, 01:22 AM
Replies: 5
Views: 2,561
Posted By JEWilson
Re: Yamaha AX-430

Hi

2nd and 3rd pics on images0030.pdf show the switches
Forum: Troubleshooting Audio Equipment 02-07-2012, 11:25 AM
Replies: 5
Views: 2,561
Posted By JEWilson
Re: Yamaha AX-430

Hi

Thx for responding
Ok.

The picture of the pot - second pdf only illustrates
the type of pot and mech. footprint I require.
Trust me, the damaged pot is destroyed beyond repair.
But where...
Forum: Troubleshooting Audio Equipment 01-27-2012, 09:05 PM
Replies: 5
Views: 2,561
Posted By JEWilson
Yamaha AX-430

Rec'd this item as damaged.
The item has been dropped.
This is a project for the kids bedroom (when fixed).

The front panel source selection pcb has been broken.
It is only a single side pcb...
Forum: Troubleshooting TVs and Video Sources 01-27-2012, 07:25 PM
Replies: 4
Views: 3,040
Posted By JEWilson
Re: Vestel 17MB18 Chassis

Thanks for the info

Have advised client, it would be best to prepare an
insurance report as unit is beyond economical repair.
I don't want to waste money stripping this unit to
replace lamps....
Forum: Troubleshooting TVs and Video Sources 01-20-2012, 09:13 PM
Replies: 4
Views: 3,040
Posted By JEWilson
Vestel 17MB18 Chassis

Hi

Been some time
Have been passed a Dual DLCD2001 20 inch widescreen LCD TV for repair.
This experiences loss of backlight but has video and sound.
However, the odd thing is when I change...
Forum: Troubleshooting Audio Equipment 06-04-2011, 12:46 PM
Replies: 3
Views: 3,063
Posted By JEWilson
Technics Service Manuals

Hi

Can anybody help with Technics Service Manuals?
I live in the UK and have acquired;
1 of SL-P222A CD Player with optical O/P
1 of SA-GX200L Receiver

The CD player appears to be ok
I have...
Forum: General Computer Discussion 02-20-2011, 02:28 PM
Replies: 11
Views: 2,285
Posted By JEWilson
Re: Server Backup & Storage

Looking at ioMega Rec for Server
Forum: General Computer Discussion 02-20-2011, 09:48 AM
Replies: 11
Views: 2,285
Posted By JEWilson
Server Backup & Storage

Looking for suggestions for HDD based server backup.
Considering options for a small network of 50 users.
Ideally, would want SATA HDD based backup unit to fit server.
Alternatively, would...
Forum: Troubleshooting Power Supplies and Power Supply Design 01-26-2011, 10:30 PM
Replies: 0
Views: 1,098
Posted By JEWilson
Replacement for KA5M0165R

Need this for a DVD/Karaoke open frame PSU repair.

This is a Fairchild part no longer in production.
The recommended replacement by Fairchild is a FSDM0265RN.
This latter part uses pin 5 whereas...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2010, 08:17 PM
Replies: 2
Views: 1,464
Posted By JEWilson
ID'ing a device

Cannot, for the life of me find a datasheet on a device I would like to ID

Any help appreciated!

Three pin device is marked as A 506 D13009K

Is this a transistor, MOSFET or what?

Cheers
Forum: Troubleshooting Power Supplies and Power Supply Design 07-28-2010, 08:34 PM
Replies: 23
Views: 23,294
Posted By JEWilson
Re: SmartUPS 700 will not turn on

kc8adu

What model UPS do you use?
Forum: Other Devices with Bad Capacitors 07-16-2010, 01:10 PM
Replies: 1
Views: 1,549
Posted By JEWilson
Ati X1550 512mb Ddr-ii Agp

Odd Issue...

The caps appear ok.
However, when the system POSTs, I get no video output but
the activity LED on the LCD lights up and stays lit as if there is some video activity but there is...
Forum: Major Manufacturers Boards 06-16-2010, 08:17 PM
Replies: 5
Views: 2,571
Posted By JEWilson
Re: HP XW6200 Workstation

PSU Tester known good

Thx
Forum: Major Manufacturers Boards 06-16-2010, 04:10 AM
Replies: 5
Views: 2,571
Posted By JEWilson
Re: HP XW6200 Workstation

Y

As this is a dual CPU mobo, I have plugged in the ATX24 pin
plus a 8 pin 12V CPU connector
All voltages appear ok, tester is still beeping

Thanks
Forum: Troubleshooting Power Supplies and Power Supply Design 06-15-2010, 01:36 PM
Replies: 23
Views: 23,294
Posted By JEWilson
Re: SmartUPS 700 will not turn on

Funny, I have a smartUPS-700
I got this off eBay cheap (like the rest of us it seems).
The unit, when rec'd, was physically ok
When powered on it did not come to life.

I open it up and one of...
Showing results 1 to 25 of 334

 
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