WHAT IS DC 3.15V - Canon Cameras

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smps involves ac to dc and dc-dc switching at high frequency because the type of a transformer in smps is a high frequency transformer and a current gain due to the ferrite application.to do a dc to dc switching you need a mosfet,smps ic e.g uc3845,dc capacitor and some passive components.

first is no i would not recommend feeding the 9 volt dc through the actual 9 volt ac it may damage the bridge rectifier that converts the ac to dc

LOL, sounds like your tablet has seen it's better days. See why HP got out of the Tablet business? They are nothing but trouble.

I concur with what Diegotech stated.

To iterate further;

1) The DC Power Jack (DC IN), may have cracked solder joint/s on the motherboard connector, (Female), where the DC Power Jack plugs in.

Resolder

2) The DC Power Jack may be broken.
Center Pin mount, and/or body of DC Power Jack, and/or Outer Shell mount.

Replace DC Power Jack.

3) Wires from the DC Power jack plug to the female connector on the motherboard, may be bad.

Replace DC Power Jack.

Two examples, of a place to buy an IBM ThinkPad T41 DC Power Jack,

1) http://www.buy.com/prod/dc-power-jack-connector-socket-for-ibm-thinkpad-t40-t41-t42-r50-r51-r52/q/sellerid/23962916/loc/101/215782035.html

2) http://www.machinaelectronics.com/store/buypart/IBM_Thinkpad_T41/DC-P001

Past this point it's a bad DC sensor on the motherboard.

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-ibmlenovo

On this page go down to the 8th line.
The one that starts with > ThinkPad T20.

Go across, and click on > T41

Takes approximately 2 seconds to see the first page, and additional time to fully download.

Page 142 for 14.1 inch LCD screen
Page 151 for 15 inch LCD screen

(PDF file page number box at top)

Three years ago a guest on FixYa wrote this:

quote
Here's a list of cameras that use the same battery.

ADVENT:
ADV1172E

BENQ: BENQ:
DC C500, DC E43, DC E53, DC E63+, DC E720 DC C500, DC E43, E53 DC, DC E63 +, DC E720

KONICA MINOLTA: KONICA MINOLTA:
DiMAGE E40, DiMAGE E50 DiMAGE E40, E50 DiMAGE

PREMIER: PREMIER:
DS-4331, DS-4346, DS-5330, DS-5341, DS-6330, SL-6, SL-63 DS-4331, the DS-4346, the DS-5330, the DS-5341, the DS-6330, SL-6, SL-63

ROLLEI: ROLLEI:
Prego DP4200, Prego DP5200, Prego DP6200 Prego DP4200, Prego DP5200, Prego DP6200


End quote

The first two numbers are the streangth. (60=60,000lbs) the 3rd is the posititon 1 : Flat, Horizontal, Vertical, Overhead.2 : Flat and Horizontal only.3 : Flat, Horizontal, Vertical Down, Overhead. The fourth digit is the current and coating 1 : DC:ROD+ ................... cellulose sodium
2 : AC or DC:ROD+ or DC:ROD- .. cellulose potassium
3 : AC or DC:ROD- ............. titania sodium
4 : AC or DC:ROD- or DC:ROD+ .. iron powder titania
5 : DC:ROD+ ................... low hydrogen sodium
6 : AC or DC:ROD+ ............. low hydrogen potassium
7 : AC or DC:ROD+ or DC:ROD- .. iron powder iron oxide
8 : AC or DC:ROD+ ............. iron powder low hydrogen See this attached link:http://www.jeep-l.net/info_jeep/weld_rod.htm

Here is how to disassemble Gateway laptop,

Here is replacement DC socket (needs soldering),

Here is DC board (no need soldering, but expensive).

Hope this helps.

Here's a list of cameras that use the same battery.

ADVENT:
ADV1172E

BENQ: BENQ:
DC C500, DC E43, DC E53, DC E63+, DC E720 DC C500, DC E43, E53 DC, DC E63 +, DC E720

KONICA MINOLTA: KONICA MINOLTA:
DiMAGE E40, DiMAGE E50 DiMAGE E40, E50 DiMAGE

PREMIER: PREMIER:
DS-4331, DS-4346, DS-5330, DS-5341, DS-6330, SL-6, SL-63 DS-4331, the DS-4346, the DS-5330, the DS-5341, the DS-6330, SL-6, SL-63

ROLLEI: ROLLEI:
Prego DP4200, Prego DP5200, Prego DP6200 Prego DP4200, Prego DP5200, Prego DP6200

Hopefully this will broaden your options when searching for a compatable charger.