Haier LT42A1 Service Manual
Also see for LT42A1: User manual
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Contents
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4110. Schematic Diagram10.1 Main Board715G3431 11) POWER-10.6 x (1+1.1K/1.2K) = 1.15VMEM_VREF6USE 330uF 16V GFDV33AC_DetectSMD/0402C10810U 16VR782 100R 1/16W 5%R1063.9KOHM +-5% 1/10WTP1001+5V_STBR79110KOHM +-5% 1/10WFrom +5V_SW to +1V8/+1V11%STB_PWR5VBRIGHT_ADJ14C121100N 16VC806NC/100N 16VR14768KOHM +-5% 1/10WR102NC/22K 1/10W+5V1_TUNAC_DetectSMD/0402USE 330uF 16V GFDV11R11933K 1/10W 5%Q108MMBT3904312DV33R15510K 1/10W 5%DC POWER INPUTQ103NC/SI3441BDV123456 DDGSDDGPIO_16R1171.2KOHM +-1% 1/10WC127NC/10U 10V Y 5V+5V_SWR1043.9KOHM +-5% 1/10W+5V1_TUN+5V_SW2,5,8,9,10,11,12,13,14OPCTRL3R154NC/1K 1/10W 5%STANDBY:Normal: HighStand_by: LowDV114+5V1_TUN2C114NC/4.7UF 10VR1231.1KOHM +-1% 1/10WR124240 OHM +-1% 1/10W+ C110100uF 10V+5V_STB TO +5V1_TUNFOR IF 5V HAS DIPU103L5947123456789VoutSYNCINHCOMPFBFSWGNDVccTH1MEM_VREFDV33SB2,4,5,7,10,12,13,14OPCTRL34,5INVERTER_ON_OFF1%R1321K 1/10W 1%STB_PWR5V+5V_SWR10710K 1/10W 5%R1261K 1/16W 5%+5V_SWBRIGHT_ADJR1441K 1/16W 5%STAND_BY13R146100 OHM +-5% 1/10WSTANDBYC128330P 50V+5V_STB2,5,10,13L10115uHOPWRSB5Q104 SI5441DC12345678 DDDGSDDD+12V2,9,13INVERTER_ON_OFF:Normal: HighStand_By: LowDV18_DDR2,6R113 100R 1/16W 5%R100NC/22K 1/10WDV18_DDRC106100N 16V+5V_STB(+5V1) TO +5V_SW BY OPWRSBSTANDBYDV332,4,5,7,8,11,12,13,14R103 NC/33K 1/10W 5%FB101 220R/2000mA1 2SMD/0402GND2,3,4,5,6,7,8,9,10,11,12,13,14GPIO_16R150NC/10K 1/10W 5%DV18_DDR+5V_STB+24V13+ C111330UF 16VDV33SBQ107MMBT3906 PNP+C112330UF 16VSMD/0402OPWRSB(+5V_SW ON/OFF):Norm al: HighStand_By: LowTP1031OPCTRL3TP1051C124100N 16VTP1011U104L59451234 56789VoutSYNCINHCOMP FBFSWGNDVccTH1+5V1_TUNL102 15uHC10233N 16VSMD/0402STAND_BY+ C107470uF 10VR13022K 1/10WINVERTER_ON_OFF14GPIO_165,7+12VR149NC/10K 1/10W 5%GNDC1191UF 6V31%+24VC105100N 16VSTAND_BY:Normal: LowStand_by: High+5V_STBOPWRSBMEM_VREFQ100NC/BC847C321D101SS2P41 2+5V_STBQ7522SK1828+ C101330UF 16V+5V_STBQ101BC847C321TP1061DV18_DDRTP1041C126NC/100N 16V1%R1152.2KOHM +-1% 1/10WR79010KOHM +-5% 1/10WTP1021BRIGHT_ADJOPWRSBBRIGHT_ADJ:Normal:Max:+3V3, Min:0VStand_By:0VC120100N 16V+12VC10433N 16VC13210U 16V+5V_STBINVERTER_ON_OFFDV18_DDR stabilizerSTANDBYR131 1K 1/10W 1%R789NC/0R05 1/10W 5%D100SS3P41 2R148 1K 1/10W 5%Q106BC847C0.6 x (1+2.44K/1.2K) = 1.82VCN100CONN12345678910111213SMD/0402+5V_SWR1250R05 1/16WR120 0R05 1/8WDV11R1221.2KOHM +-1% 1/10WC130 1uF 16VFB100 220R/2000mA1 2DV33+24VSTAND_BYR14510KOHM +-5% 1/10WCN101CONN123C129330P 50VC131NC/1uF 16VR101NC/22K 1/10WSTANDBY:Normal: HighStand_by: LowDV33 |
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