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 PHILIPS 52PFL7403D F7 MAIN BOARD 313926859108 313912363582v1 WK7442 $54.97 Time Remaining: 29d 12h 57m Buy It Now for only: $54.97 |
 Sony Main Board 1 876 561 12 a1506072b $50.00 Time Remaining: 41m Buy It Now for only: $59.99 |
 SONY KDL 46S4100 Main Board A Board $100.00 Time Remaining: 3h 11m Buy It Now for only: $127.95 |
 VIZIO E470VA MAIN BOARD TTXACB 5K009 07 $109.95 Time Remaining: 3d 4h 29m Buy It Now for only: $109.95 |
 VIZIO E370VL MAIN BOARD 0171 2271 3273 or 3637 0562 0150 3b $70.00 Time Remaining: 2d 16h 53m Buy It Now for only: $80.00 |
 ELEMENT ELCHS321 MAIN BOARD RSAG78201528 ROH $75.00 Time Remaining: 2h 5m Buy It Now for only: $85.00 |
 VIZIO E420VL MAIN BOARD 3642 0872 01503I $89.95 Time Remaining: 2d 18h 55m Buy It Now for only: $89.95 |
 Sharp DUNTKD376FE06 Main Board From Sharp Model LC 37D4U $85.00 Time Remaining: 1d 2h 39m |
 Samsung Main BP94 00434A Analog Board $25.00 Time Remaining: 2h 17m Buy It Now for only: $30.00 |
 Panasonic TXN A1LNUUS A BOARD Main Control TCP50C2 TNPH0831 WORKING PULL USED $89.95 Time Remaining: 6d 17h 37m Buy It Now for only: $89.95 |
 Samsung BN96 15663A Main Board $39.99 Time Remaining: 3h 9m Buy It Now for only: $49.99 |
 LG EBR36581103 MAIN BOARD $89.00 Time Remaining: 8h 32m Buy It Now for only: $109.00 |
 LJ41 05120A Y Main Board YSUS LJ92 01490A $120.00 Time Remaining: 16d 6h 58m Buy It Now for only: $120.00 |
 SAMSUNG LN46B650T1FXZA BN94 02573G BN41 01149A MAIN BOARD $45.00 Time Remaining: 4h 49m Buy It Now for only: $60.00 |
 3647 0022 0395R Vizio Main Board 3647 0012 0150 $129.99 Time Remaining: 1d 23h 33m Buy It Now for only: $129.99 |
 LG 3911TKK781A Main Board For LG Model DU 37LZ30 $70.00 Time Remaining: 1d 2h 23m |
 Panasonic TNPH0904 Main Board For Model TC L37U3 Works Good $50.00 Time Remaining: 1d 2h 28m |
 3647 0022 0395R for Vizio Main Board 3647 0012 0150 GV47L FHDTV10A $125.95 Time Remaining: 13d 21h 28m Buy It Now for only: $125.95 |
 LG 37LC2D TV Main Board $85.00 Time Remaining: 1d 4h 34m Buy It Now for only: $100.00 |
 Emerson lc370em2 digital main board with hdmi inputs $29.00 Time Remaining: 17h 35m Buy It Now for only: $33.00 |
 SONY KDL 46S4100 MAIN BOARD A BOARD PART 1 857 092 21 S040FHD 07452 3 $130.00 Time Remaining: 5d 3h 35m Buy It Now for only: $130.00 |
 Visio FHDTV10A Main Control board 0171 2272 2425 3647 00820 0150 $30.00 Time Remaining: 1d 19h 58m Buy It Now for only: $35.00 |
 Samsung LJ92 01727A X Main Board From Samsung Plasma Model PN50C450B1DXZA $50.00 Time Remaining: 1d 2h 33m |
 SONY KDL 40S4100 MAIN UNIT BOARD 4871H01031 $65.00 Time Remaining: 29d 20h 16m Buy It Now for only: $65.00 |
 Toshiba 52RV53U Main Board V28A000722B1 $69.00 Time Remaining: 19h 44m Buy It Now for only: $79.00 |
 SANYO DP42740 MAIN UNIT BOARD 1LG4B10Y04600 B J4HEF $34.99 Time Remaining: 10d 15h 57m Buy It Now for only: $34.99 |
 PHILIPS 32PFL3506 F7 MAIN BOARD POWER SUPPLY BA01F2F0102 $9.99 Time Remaining: 20h 38m |
 JVC LT 42P789 main power supply board LCA90796 $70.00 Time Remaining: 10h 31m Buy It Now for only: $80.00 |
 Mitsubishi WD60735 WD60C8 WD65735 WD73735 main board part 934C282001 $200.00 Time Remaining: 19d 22h 21m Buy It Now for only: $200.00 |
 Samsung LN37A550P3F BN97 01985S MAIN BOARD $89.00 Time Remaining: 18h 17m Buy It Now for only: $99.00 |
 Samsung SPS4223 Main board BN94 00969B $70.00 Time Remaining: 10h 25m Buy It Now for only: $80.00 |
 Repair Service 75 Vizio E421VO TV Main Board 3642 1232 0395 $75.00 Time Remaining: 24d 4h 27m Buy It Now for only: $75.00 |
 LG 6871QCH059B Main Logic CTRL Board $15.00 Time Remaining: 2h 25m Buy It Now for only: $20.00 |
 SHARP LC 42SV49U MAIN BOARD 492A01521300R $89.00 Time Remaining: 19h 18m Buy It Now for only: $99.00 |
 Vizio 3632 0872 0395 Main Board for SV370XVT SV320XVT $64.16 Time Remaining: 24d 16h 36m Buy It Now for only: $64.16 |
 TESTED SONY KDL 40BX420 LCD TV MAIN BOARD $55.99 Time Remaining: 1d 1h 43m Buy It Now for only: $62.99 |
 SHARP LC 37GP1U MAIN BOARD KE028 WE 0579 M $89.00 Time Remaining: 18h 9m Buy It Now for only: $99.00 |
 Samsung BN41 01154B Main Board $37.00 Time Remaining: 1d 46m Buy It Now for only: $37.00 |
 Lg 50PG20 ua Main board ebr43925401 also ebr50671901 $70.00 Time Remaining: 2d 2h 10m Buy It Now for only: $78.00 |
 Toshiba Main board for model 42RV530U OEM part 75012465 See below for subs $95.00 Time Remaining: 29d 13h 52m Buy It Now for only: $95.00 |
 Insignia 899 KS0 IV501BUAVH Main Board for NS PDP50HD 09 $79.95 Time Remaining: 15h 14m Buy It Now for only: $99.95 |
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 SHARP AQUOS LC 52D85UN MAIN BOARD KE833 XE833WJ FM11S $80.00 Time Remaining: 19h 27m Buy It Now for only: $90.00 |
 Repair Service 65 Vizio E320VL TV Main Board 3632 1162 0395 $65.00 Time Remaining: 2d 18h 17m Buy It Now for only: $65.00 |
 Maxent P420142X3 Main Board QPWB11561 1G DPWB11561 MPL $79.00 Time Remaining: 20h 28m Buy It Now for only: $89.00 |
 SONY KDL 46V2500 MAIN BOARD 1 871 229 12 A1204352K $79.00 Time Remaining: 19h 22m Buy It Now for only: $89.00 |
 Repair Service 65 Vizio E321VL TV Main Board 3632 1622 0395 $65.00 Time Remaining: 2d 18h 21m Buy It Now for only: $65.00 |
 SAMSUNG LN40B540P8F Main Tuner Board BN41 01157A $85.00 Time Remaining: 18h 26m Buy It Now for only: $95.00 |
 Samsung LNT4661FX Main Unit Board Part BN94 01518L BN41 00937A BN97 01835L $56.00 Time Remaining: 26d 17h 28m Buy It Now for only: $56.00 |
 BN97 01372K Main board for LNT3253HX $60.00 Time Remaining: 19h 33m Buy It Now for only: $70.00 |
 PHILIPS 50PF7321D 37 Y MAIN BOARD LJ41 02317A $122.00 Time Remaining: 21h 51m Buy It Now for only: $135.00 |
 Sharp 715T3252 2 Main AV Board LC 42SB45U $22.95 Time Remaining: 29d 17h 48m Buy It Now for only: $22.95 |
 JVC LCB90716 LCD TV Main Power Supply Board Unit LT 37XM48 LT 42E488 $14.95 Time Remaining: 1d 11h 32m Buy It Now for only: $39.95 |
 SHARP LC 37GP1U MAIN DIGITAL INPUT BOARD ND999WJ KD999 $50.00 Time Remaining: 22h 9m Buy It Now for only: $60.00 |
 Vizio M190VA MAIN BOARD TTXACB 2K006 03 TOPA MBA $49.95 Time Remaining: 3d 4h 16m Buy It Now for only: $49.95 |
 Westinghouse 5600600325 Main Board for LTV 32W6HD $49.95 Time Remaining: 15h 7m Buy It Now for only: $59.95 |
 Sony KDL 52V4100 Main Board 1 876 561 13 $87.00 Time Remaining: 18h 8m Buy It Now for only: $97.00 |
 Vizio E321VL Main Board 3632 1512 0150 4D 0171 2271 3294 $119.95 Time Remaining: 27d 19h 30m Buy It Now for only: $119.95 |
 HAIER TV MAIN CIRCUIT BOARD P N TV 5210 158 $55.00 Time Remaining: 17h 24m |
 LG 37LP1D Main Tuner Board 6870TC68A62 AL 04DA $75.00 Time Remaining: 17h 59m Buy It Now for only: $85.00 |
 Samsung bn41 01343b Main Board $15.00 Time Remaining: 1d 46m Buy It Now for only: $15.00 |
 Proscan 40LD45QC MAIN CONTROLLER BOARD 9RE01ZR772LNA5 A1 40LD45Q $54.00 Time Remaining: 15h 8m Buy It Now for only: $59.50 |
 Sanyo DP46849 Main Board 1AA4B10N22900 A N7EE $119.99 Time Remaining: 25d 18h 54m Buy It Now for only: $119.99 |
 VIZIO VW26L MAIN BOARD 1P 007CD00 2012 REV 12 02 13036009 15 $79.00 Time Remaining: 19h 29m Buy It Now for only: $89.00 |
 NEW Panasonic TXN A1LNUUS A BOARD Main Control TCP50C2 aka TNPH0831 $89.00 Time Remaining: 1d 1h 56m Buy It Now for only: $99.00 |
 Dell W4201C HD YSUS Y Main Sustain Board LJ41 02759A LJ92 01200A A5 $69.99 Time Remaining: 29d 8h 3m Buy It Now for only: $69.99 |
 LG 37LP1D MAIN BOARD AL 04DA 6870TA45A65 $87.00 Time Remaining: 19h 9m Buy It Now for only: $97.00 |
 Main Board 569KS0169C For Dynex DX 46L150A11 6KSO1301AO $1.00 Time Remaining: 20h 10m Buy It Now for only: $70.00 |
 Vizio 3642 0102 0150 main control board $85.99 Time Remaining: 24d 23h 34m Buy It Now for only: $85.99 |
 SAMSUNG LN32A3000J1D MAIN BOARD $42.99 Time Remaining: 19h 33m Buy It Now for only: $47.99 |
 Samsung Y main sustain board LJ41 01530A LJ92 00759A $63.00 Time Remaining: 10h 6m Buy It Now for only: $70.00 |
 Repair Service 75 Vizio M421NV TV Main Board 3642 1222 0395 $75.00 Time Remaining: 2d 20h 30m Buy It Now for only: $75.00 |
 Samsung BN94 04416C Main Board for LN32D403E4DXZA $49.95 Time Remaining: 15h 43m Buy It Now for only: $59.95 |
 SANYO DP42746 LOGIC MAIN BOARD LJ41 03387A $15.98 Time Remaining: 29d 20h 3m Buy It Now for only: $15.98 |
 Samsung TV BN94 00721A LNR237W1X XAA Main Board Unit for LN R237W $40.00 Time Remaining: 22h 48m |
 Magnavox 32MF338B 27 Main Board BA8AF0F01022 1 $79.00 Time Remaining: 19h 15m Buy It Now for only: $89.00 |
 SANYO DP42746 X MAIN BOARD LJ41 02758A $14.98 Time Remaining: 29d 20h 3m Buy It Now for only: $14.98 |
 Sony Bravia KDL 46W3000 main power board 1 873 813 14 $33.99 Time Remaining: 13h 15m |
 Philips 50PF9631D 37 X Main Board LJ41 03335A $77.00 Time Remaining: 1d 46m Buy It Now for only: $87.00 |
 SAMSUNG Y MAIN BOARD BN96 02039A LJ92 01030A LJ41 02247A 996500029209 $70.00 Time Remaining: 5d 2h 6m Buy It Now for only: $70.00 |
 PRIMA LC 40K17 MAIN BOARD 782 L40K17 4000 $150.00 Time Remaining: 21h 59m Buy It Now for only: $165.00 |
 Sony KDL 40V2500 Main Board 1 871 229 12 $35.00 Time Remaining: 1d 3h 9m Buy It Now for only: $50.00 |
 Panasonic Plasma Main A Board TCP42X1 TNPH0800 2 A TC P42X1 $89.95 Time Remaining: 28d 13h 58m Buy It Now for only: $89.95 |
 NEW Panasonic TXN A1LQUUS A BOARD Main Control TCP50S2 aka TNPH0831AC $98.00 Time Remaining: 23h 30m Buy It Now for only: $108.00 |
 Samsung BN96 15660A Main Board for LN40C550 $49.95 Time Remaining: 1d 14h 31m Buy It Now for only: $59.95 |
 LG 50PJ350 UB main board EBT60953802 EAX61358606 code AUSLLHR $59.95 Time Remaining: 29d 13h 56m Buy It Now for only: $59.95 |
 Tosiba 32AV500u Main Board Part 75011292 $55.00 Time Remaining: 2d 3h 42m Buy It Now for only: $70.00 |
 Element ELCHW402 Main Board RSAG78202035 ROH Ver D LTDN40V87NUS $60.00 Time Remaining: 26d 17h 25m Buy It Now for only: $60.00 |
 VIORE PD42VH80 Y MAIN BOARD LJ41 08592A LJ92 01737A $30.00 Time Remaining: 20h 37m Buy It Now for only: $40.00 |
 Main Board 42 Vizio E420VL 3642 0872 0150 6A $72.00 Time Remaining: 23h 38m Buy It Now for only: $82.50 |
 SANYO DP42746 Y MAIN BOARD LJ41 02759A $29.95 Time Remaining: 29d 20h 2m Buy It Now for only: $29.95 |
 PHILIPS 42PF5321D 37 MAIN UNIT BOARD 3104 313 60955 $84.00 Time Remaining: 20h 13m Buy It Now for only: $94.00 |
 AKAI E3761 058010 1 MAIN BOARD $10.00 Time Remaining: 1d 4h 34m Buy It Now for only: $65.00 |
 Polaroid 899 KE0 IF3212XAPH Main Board 200 107 GT321XA AH Polaroid 3211 TLXB $59.95 Time Remaining: 29d 22h 33m Buy It Now for only: $59.95 |
 SAMSUNG LN40A530P1FC MAIN BOARD $70.00 Time Remaining: 1d 19h 49m Buy It Now for only: $80.00 |
 SAMSUNG LN46B500P3FXZA MAIN UNIT BOARD BN97 03890R BN41 01276B $40.00 Time Remaining: 22h 8m Buy It Now for only: $50.00 |
 Vizio E550VL MAIN BOARD 3655 0162 01504B $139.95 Time Remaining: 9d 19h 15m Buy It Now for only: $139.95 |
 Samsung BN94 04845X Main Board for LN46D503F6FXZA $49.95 Time Remaining: 15h 40m Buy It Now for only: $59.95 |
What are the typical safety devices we find on the main switch board (large installations).?
Also what are the safeties incorporated onto the MSB to protect the person operating/repairing it.
Main circuit breaker,RCD, disconnector, isolator, rectifier,etc
Just buy a MSB that come with a key 
iPhone WiFi Repair: Oven Fix (Reflowing the PCB) - also works on iPod Touch