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10,296 files
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Standby Power Reduction of Auxiliary Power Supply for Digitally Controlled SMPS
By Samurai Appliance Repair Man
Everything you never wanted to know about switched-mode power supplies (SMPS)!
SMPS are used extensively in modern appliances because of their lower standby power consumption over linear power supplies.
A switched-mode power supply (switching-mode power supply, switch-mode power supply, switched power supply, SMPS, or switcher) is an electronic power supply that uses a switching regulator, such as the TOP223Y pulse-width modulated switch found in many Samsung SMPS, instead of linear regulators to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a refrigerator, while converting voltage and current characteristics.
Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power.
Voltage regulation in an SMPS is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply.
SMPS may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.
SMPS are more complicated than linear power supplies. Also, their switching currents can cause electrical noise problems if not carefully suppressed. This is why you will see EMI noise filters in appliances that use SMPS. The EMI filter is there to prevent this switching noise, called harmonics, from getting back into the mains power supply.
Another drawback with SMPS is that simple designs may have a poor power factor which can be compensated for by other design configurations.
This paper presents some of the design considerations for reducing the standby power consumption in SMPS.
21 downloads
- smps
- power supply
- (and 3 more)
0 comments
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Whirlpool MFT2976AEM00 Refrigerator Tech Sheet
By Samurai Appliance Repair Man
PUB W10568021 Rev A
115 downloads
0 comments
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Jenn Air Range JGS8750BD JGS8850BD JGS8860BD Tech Sheet
By LI-NY Tech
Jenn Air range tech sheet
JGS8750
JGS8850
JGS8860
Pub No 16026924
126 downloads
Updated
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Wolf CTE-2 Electric Cook Top Service Manual and Schematics
By Samurai Appliance Repair Man
Wolf Electric Cooktop-2 (CTE-2) Series
Service Manual PUB 809096 - Revision D - August, 2011
Wiring Diagrams from same PUB
57 downloads
0 comments
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120 and 240 VAC Single Split Phase & Multi-Wire Branch Circuits
By Samurai Appliance Repair Man
A good white paper from SamlexAmerica explaining single split phase power properties and distribution in North America. Lots of good, authoritative explanations and illustrations but NO MATH EQUATIONS!
Explains single phase, split phase, phase relationship between L1 and L2.
Author: Vijay Sharma, Engineer
38 downloads
- phase relationship
- l1 and l2
- (and 6 more)
0 comments
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Samsung RF23HT Refrigerator Service Manual
By Samurai Appliance Repair Man
FRENCH DOOR REFRIGERATOR
BASIC : RF23HT*
MODEL NAME : RF23HTEDBSR MODEL CODE : RF23HTEDBSR/EF
RF23HTEDBSR/EU RF23HTEDBSR/EO
Date: 2014
266 downloads
0 comments
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Samsung RF23H Refrigerator Fast Track
By Samurai Appliance Repair Man
Production Date: 12/31/14 JW
177 downloads
- samsung
- refrigerator
- (and 1 more)
0 comments
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Viking 30 36 48 Inch Self-Clean Gas Ranges Service Manual
By Samurai Appliance Repair Man
This Base Manual covers general and specific information including, but not limited to the following models:
VGSC530 VGSC536 VGSC548
PUB SMC-0010
Dec 2009
142 downloads
0 comments
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LG LFXS30766 LFXS30726 Refrigerator Service Manual
By Samurai Appliance Repair Man
Models:
LFXS30766 LFXS30726
PUB MFL68488632
1,052 downloads
0 comments
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Kitchenaid KSRG25FKSS15 Refrigerator Tech Sheet
By Samurai Appliance Repair Man
PUB 2255385
140 downloads
0 comments
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Samsung RS275 RS277 Refrigerator Service Manual
By Samurai Appliance Repair Man
SIDE BY SIDE
BASIC MODEL : RS265ACWP RS267ACWP
MODEL NAME : RS275AC** / RS277AC**
MODEL CODE : RS275ACWP RS277ACWP
RS275ACBP RS277ACBP RS275ACPN RS277ACPN RS275ACRS RS277ACRS
2008
649 downloads
0 comments
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Kitchenaid KBHC109JSS05 Microwave Tech Sheet
By Samurai Appliance Repair Man
PUB 8303854
32 downloads
0 comments
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Samsung RFG237AA RFG238AA Refrigerator Service Manual
By Samurai Appliance Repair Man
MODELS :
RFG237AARS
RFG237AABP RFG237AAWP RFG237AAPN
MODEL CODE : RFG237AARS/XAA
RFG237AABP/XAA RFG238AABP/XAA
RFG237AAWP/XAA RFG238AAWP/XAA RFG237AAPN/XAA RFG238AAPN/XAA
RFG238AARS RFG238AABP RFG238AAWP RFG238AAPN
RFG238AARS/XAA
1,098 downloads
0 comments
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Maytag MEDC200XW3 Dryer Tech Sheet
By Samurai Appliance Repair Man
PUB W10348336 Rev D
152 downloads
0 comments
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Single-phase Power Systems - Polyphase AC Circuits - Electronics Textbook
By Samurai Appliance Repair Man
A simple math-based explanation of phase relationships in single and split phase AC voltage and power systems.
Source: http://www.allaboutcircuits.com/textbook/alternating-current/chpt-10/single-phase-power-systems/
22 downloads
- single phase
- voltage
- (and 3 more)
0 comments
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Speed Queen Home Dryer Parts Manual
By Adirondack Bob
Models:
ADE30RGS171TW01 ADE3LRGS171TW01 ADE41FSS171TN01 ADE4BFGS171TW01 ADE4BRGS171TW01 ADE4BRGS171TWAH ADG30RGS111TW01 ADG3LRGS111TW01 ADG41FSS111TN01 ADG4BFGS111TW01 ADG4BRGS111TW01 ADG4BRGS111TWAH
AES17AWF AES20AWF AES28AWF AES28AWF1500 AES68AWF AES68AWF1500 AGS17AWF AGS20AWF AGS28AWF AGS68AWF ASE30FGW171TW01 ASG30FGW111TW01
CES68AWF CES68AWF1500 CGS68AWF KES18AWF KES18AWF1500 KGS18AWF
PUB 512174 Revision 2
October 2015
154 downloads
- speed queen
- 512174
- (and 3 more)
0 comments
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Speed Queen Home Dryer Troubleshooting Manual
By Adirondack Bob
Models:
ADE30RGS171TW01 ADE3LRGS171TW01 ADE41FSS171TN01 ADE4BFGS171TW01 ADE4BRGS171TW01 ADG30RGS111TW01 ADG3LRGS111TW01 ADG41FSS111TN01 ADG4BFGS111TW01 ADG4BRGS111TW01 AES17AWF AES20AWF AES28AWF AES28AWF1500 AES68AWF AES68AWF1500 AGS17AWF AGS20AWF AGS28AWF AGS68AWF ASE30FGW171TW01 ASG30FGW111TW01 CES68AWF CES68AWF1500 CGS68AWF KES18AWF KES18AWF1500 KGS18AWF
PUB 512176 Revision 2
January 2012
235 downloads
- speed queen
- troubleshooting
- (and 3 more)
0 comments
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GE 27 inch Top Load Washer Service Manual
By Chat_in_FL
GE 27" Top Load Washer Technical Service Guide
Models:
HTW200ASK_WW MTW200AMK_WW GTW220ACK_WW HTW240ASK_WW GTW330ASK_WW GTW460ASJ_WW GTW485ASJ_WW GTW485ASJ_WS GTW490ACJ_WW GTW490ACJ_WS GTW680BSJ_WS
PUB 31-9254
4,974 downloads
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GE Washer Service Bulletin - Clothes Tearing or Stuck Under Agitator
By Samurai Appliance Repair Man
Models that may be affected:
All GE and Hotpoint Top Load Washers with Dual Action Agitators
Serial range: AZ (January 2012) – Current
PUB HL02-14
79 downloads
0 comments
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Whirlpool Gemini HSCD Control Replacement Kit Instruction Sheet
By Samurai Appliance Repair Man
PUB W10831212 Rev A
64 downloads
- whirlpool
- refrigerator
- (and 2 more)
0 comments
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Whirlpool Refrigerator Service Pointer Control Board W10219463 Replacement
By Samurai Appliance Repair Man
Possible Concern:
Control board W10219463 is no longer available as a stand-alone component.
Potential Cause:
Any problem requiring replacement of Control Board W10219463.
Correction:
Two separate service kits are available. Reference tables on the following pages, order and install the appropriate service kit for the applicable model.
Note: This Service Pointer addresses Control Board W1029463 replacement for Counter Depth models Only.
Service Pointer W10823361 addresses Control Board W1029463 replacement for Built-in models.
PUB W10823379
125 downloads
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Whirlpool WOD51EC0AS00 Range Tech Sheet
By Samurai Appliance Repair Man
PUB W10425193 Rev A
164 downloads
0 comments
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