Board Tested

How do you find out which component on a circuit board is malfunctioning?

My fridge stopped to work. I would like to repair a circuit board that belongs to my fridge...I'm sure thats the broken piece. I'm an amateur and I mess with circuit boards and components (capacitators, diods...). How do you test a circuit board and find out which component is defective? Is there a website that teaches that?

Using proper trouble shooting techniques. You will need a voltmeter and a repair manual for that particular circuit board. Most technicians now days just replace the boards.

working and tested sony kdl 40xbr3 BE2 board p A 1212 256 A
working and tested sony kdl 40xbr3 BE2 board p A 1212 256 A
$115.00
Time Remaining: 1h 26m
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Element ELCHS321 Button Set Key Controller Board RSAG78201101 Ver B TESTED
Element ELCHS321 Button Set Key Controller Board RSAG78201101 Ver B TESTED
$9.95
Time Remaining: 1h 42m
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TESTED  Panasonic TXNSC1BKTUJ SC Board TNPA3814
TESTED Panasonic TXNSC1BKTUJ SC Board TNPA3814
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TESTED  BL0600G04013 1 MAIN BOARD FROM SYLVANIA
TESTED BL0600G04013 1 MAIN BOARD FROM SYLVANIA
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TESTED Sony KP 51WS500 Board 1 680 881 13 A 1131 691 A
TESTED Sony KP 51WS500 Board 1 680 881 13 A 1131 691 A
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TESTED  LG ZSUS Board 6871QZH041B 6870QZE017D
TESTED LG ZSUS Board 6871QZH041B 6870QZE017D
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TESTED  TUNER BOARD N3HE DM SANYO DP32746
TESTED TUNER BOARD N3HE DM SANYO DP32746
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Tested LG EBR63856401 CTRL board 48
Tested LG EBR63856401 CTRL board 48
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TESTED  Samsung SP P4251 Logic Board  LJ41 01968A
TESTED Samsung SP P4251 Logic Board LJ41 01968A
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Dynex 40 DX 40l260A12 Main Board TESTED 715G4522 MOH 000 004K
Dynex 40 DX 40l260A12 Main Board TESTED 715G4522 MOH 000 004K
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Time Remaining: 20h 16m
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LG 42PX3DCV 42 Plasma TV MF 056C 6870VS2071B 68719SF012A Button Board Tested
LG 42PX3DCV 42 Plasma TV MF 056C 6870VS2071B 68719SF012A Button Board Tested
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LG 42PX3DCV 42 Plasma TV Buffer Board Lot LGE PDP 050511 051125 42V7 Tested OEM
LG 42PX3DCV 42 Plasma TV Buffer Board Lot LGE PDP 050511 051125 42V7 Tested OEM
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Time Remaining: 20h 28m

LG 42PX3DCV 42 Plasma TV AF 05FA B C AF 05GA B 6870VM4002F Main Board Tested
LG 42PX3DCV 42 Plasma TV AF 05FA B C AF 05GA B 6870VM4002F Main Board Tested
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LG 42PX3DCV 42 Plasma TV 6709V00003A PSC10118G Power Supply Board Tested
LG 42PX3DCV 42 Plasma TV 6709V00003A PSC10118G Power Supply Board Tested
$19.99 (2 Bids)
Time Remaining: 20h 29m

LG 42PX3DCV 42 Plasma TV 42V7 ZSUS X Z Sustain Board Tested Working 6870QZE017D
LG 42PX3DCV 42 Plasma TV 42V7 ZSUS X Z Sustain Board Tested Working 6870QZE017D
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LG 42PX3DCV 42 Plasma TV 42V7 YSUS Y Sustain Board Tested Working 6870QYE011D
LG 42PX3DCV 42 Plasma TV 42V7 YSUS Y Sustain Board Tested Working 6870QYE011D
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LG 42PX3DCV 42 Plasma TV 42V7 CRTL IN Control Board Tested Working 6870QCE120C
LG 42PX3DCV 42 Plasma TV 42V7 CRTL IN Control Board Tested Working 6870QCE120C
$19.99
Time Remaining: 20h 29m

LG 42PX3DCV 42 666871VSMAUZA004 AV Input Tuner Board GNM6613 05000 Tested OEM
LG 42PX3DCV 42 666871VSMAUZA004 AV Input Tuner Board GNM6613 05000 Tested OEM
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TESTED SAMSUNG LJ41 05309A LOGIC BOARD PN50A46054D
TESTED SAMSUNG LJ41 05309A LOGIC BOARD PN50A46054D
$45.00
Time Remaining: 1d 1h 38m
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Tested LG 26LD350 EBU60982402 EAX615538021 Main Board
Tested LG 26LD350 EBU60982402 EAX615538021 Main Board
$65.99
Time Remaining: 1d 1h 40m
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Tested 1 689 373 11 Video RF Tuner Board for SONY KF 4
Tested 1 689 373 11 Video RF Tuner Board for SONY KF 4
$42.00
Time Remaining: 1d 2h 11m
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Tested 1 689 374 11 Audio Board for SONY KF 50WE610
Tested 1 689 374 11 Audio Board for SONY KF 50WE610
$50.00
Time Remaining: 1d 2h 15m
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TESTED NEC 942 200477 PKG50C2C1 Digital Board BP195
TESTED NEC 942 200477 PKG50C2C1 Digital Board BP195
$44.99
Time Remaining: 1d 2h 16m
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Tested Sony KDF 70XBR950 U BOARD 1 689 370 11
Tested Sony KDF 70XBR950 U BOARD 1 689 370 11
$65.00
Time Remaining: 1d 2h 17m
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TESTED  PANASONIC TH 42PX60U SD BOARD TNPA3819 M561
TESTED PANASONIC TH 42PX60U SD BOARD TNPA3819 M561
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Time Remaining: 1d 2h 28m
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TESTED  PANASONIC TH 42PX60U SD BOARD TNPA3818
TESTED PANASONIC TH 42PX60U SD BOARD TNPA3818
$29.98
Time Remaining: 1d 2h 30m
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Tested LG 50PC1DRA Main Logic Board Part  6870QCC013A
Tested LG 50PC1DRA Main Logic Board Part 6870QCC013A
$65.00
Time Remaining: 1d 2h 30m
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Tested LG 50PC3D UD 68709S0163A 3 INPUT BOARD
Tested LG 50PC3D UD 68709S0163A 3 INPUT BOARD
$40.00
Time Remaining: 1d 2h 39m
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TESTED PANASONIC TC P42S2 TC P42U2 BOARD 1 SC TNPA5105
TESTED PANASONIC TC P42S2 TC P42U2 BOARD 1 SC TNPA5105
$65.00
Time Remaining: 1d 3h 8m
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TESTED  TNPA5106 SS BOARD FROM PANASONIC TC P50S2
TESTED TNPA5106 SS BOARD FROM PANASONIC TC P50S2
$15.00
Time Remaining: 1d 3h 12m
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TESTED LG 42V6 Y DRIVE YUR BOARD 6870QDE011A
TESTED LG 42V6 Y DRIVE YUR BOARD 6870QDE011A
$20.00
Time Remaining: 1d 3h 26m
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SONY KDF E42A10 POWER BOARD 1 866 912 11 Tested Working
SONY KDF E42A10 POWER BOARD 1 866 912 11 Tested Working
$22.50
Time Remaining: 1d 3h 31m
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TESTED SAMSUNG HCN653WX DEFLECTION BOARD BP94 00501W
TESTED SAMSUNG HCN653WX DEFLECTION BOARD BP94 00501W
$85.00
Time Remaining: 1d 3h 58m
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TESTED Samsung SP P4251 Logic Board pART  LJ41 01968A
TESTED Samsung SP P4251 Logic Board pART LJ41 01968A
$59.99
Time Remaining: 1d 4h 3m
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TESTED ah41 00950a DIGITAL MAIN BOARD
TESTED ah41 00950a DIGITAL MAIN BOARD
$79.98
Time Remaining: 1d 6h 22m
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1 867 785 11 TUNER BOARD Tested SONY KLV S32A10
1 867 785 11 TUNER BOARD Tested SONY KLV S32A10
$9.99
Time Remaining: 1d 8h 43m
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POWER SUPPLY board for Dynex DX 40L261A12 40 HDTV Tested and works correctly
POWER SUPPLY board for Dynex DX 40L261A12 40 HDTV Tested and works correctly
$49.99
Time Remaining: 1d 12h 13m
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VIZIO P50HDM 3501Q00158A POWER SUPPLY BOARD TESTED
VIZIO P50HDM 3501Q00158A POWER SUPPLY BOARD TESTED
$69.00
Time Remaining: 1d 12h 36m
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TESTED INVERTER BOARD SSI320 4UA01
TESTED INVERTER BOARD SSI320 4UA01
$13.99
Time Remaining: 2d 1h 14m
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TESTED LJ94 03120D T Con BOARD 320AP03C2LV01
TESTED LJ94 03120D T Con BOARD 320AP03C2LV01
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Time Remaining: 2d 1h 30m
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TESTED PANASONIC LSEP3152A CONTROL BOARD MDLPT 44LCX65
TESTED PANASONIC LSEP3152A CONTROL BOARD MDLPT 44LCX65
$59.98
Time Remaining: 2d 1h 55m
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TESTED LC C3242U Signal Board ND999WJ KD999
TESTED LC C3242U Signal Board ND999WJ KD999
$9.98
Time Remaining: 2d 1h 57m
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TESTED LSJB3150 1 Digital Video Board
TESTED LSJB3150 1 Digital Video Board
$69.98
Time Remaining: 2d 1h 59m
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TESTED 3139 243 33576 01 BOARD 00716WK6116
TESTED 3139 243 33576 01 BOARD 00716WK6116
$79.98
Time Remaining: 2d 2h 4m
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TESTED A774 PCB 005 TAS5508 5142V6REF2 BOARD
TESTED A774 PCB 005 TAS5508 5142V6REF2 BOARD
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Time Remaining: 2d 2h 8m
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TESTED 1 870 332 14 Video Board for SONY KDS 55A2000
TESTED 1 870 332 14 Video Board for SONY KDS 55A2000
$104.99
Time Remaining: 2d 4h 21m
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TESTED 1 866 060 12 Video Board for SONY KDS R60XBR1
TESTED 1 866 060 12 Video Board for SONY KDS R60XBR1
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Time Remaining: 2d 4h 23m
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TESTED 1 862 509 22 Video RF Tuner Board for SONY
TESTED 1 862 509 22 Video RF Tuner Board for SONY
$49.99
Time Remaining: 2d 4h 30m
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TESTED 1 869 524 13 Logic Board for SONY
TESTED 1 869 524 13 Logic Board for SONY
$9.95
Time Remaining: 2d 4h 37m
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TESTED RU 44SZ63D Digital Input Board 6870VS1920B
TESTED RU 44SZ63D Digital Input Board 6870VS1920B
$32.99
Time Remaining: 2d 5h 36m
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VIZIO VW26L HDTV10F MAIN CIRCUIT BOARD NEW AND TESTED
VIZIO VW26L HDTV10F MAIN CIRCUIT BOARD NEW AND TESTED
$89.99
Time Remaining: 2d 5h 46m

VIZIO VW26L HDTV1OF POWER SUPPLY CIRCUIT BOARD NEW  TESTED
VIZIO VW26L HDTV1OF POWER SUPPLY CIRCUIT BOARD NEW TESTED
$49.95
Time Remaining: 2d 6h 2m


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