42LH90 Main (Front Side) Component Voltages
IC101 Serial Flash IC705 +1.26V_VDDC IC1000 +1.26V_PVSB IC3503 +1.8V Reg Q706 +5V/12VLVDS
Pin Memory Pin Regulator Pin Regulator Pin Dimming Pin Switch
[1] 0.05V [1] 0.8V [1] 0V [1] 0.58 [1] 5.1V
[2] 3.2V [2] Gnd [2] 3.39V [2] 1.8V [2] 0.29V
[3] 2.5V [3] 5V [3] 3.4V [3] 3.19V [3] 11.9V
[4] Gnd [4] 6V [4] 0V [4] 5.99V
[5] 0V [5] 3.2V [5] 0V IC3204 Dimming [5] 11.98V
[6] 0V [6] 1.2V [6] 1.21V Pin EEPROM [6] 11.98V
[7] 3.3V [7] 1.26V [7] 0.8V [1] Gnd [7] 5.06V
[8] 3.3V [8] 5V [8] Gnd [2] Gnd [8] 5.06V
[3] Gnd
IC105 HDCP IC706 5V_EXT IC1001 +3.3V_PVSB [4] Gnd Q1200 IR RS232
Pin EEPROM Pin Memory Pin +3.3V_FE [5] 3.3V Pin Buffer
[1] Gnd [1] 0.8V [1] 4.94V [6] 3.3V B 0.634V
[2] Gnd [2] Gnd [2] 4.94V [7] 0V C 0.97V
[3] 3.29V [3] 12V [3] Gnd [8] 3.3V E Gnd
[4] Gnd [4] 9.6V [4] 3.4V
[5] 3.3V [5] 5V [5] 1.25V Q100 W/P IC101 D1000 Speed Up Reset
[6] 3.3V [6] 4.97V Pin Pin IC1004
[7] 0V [7] 4.97V IC1002 +5V_TU B 0V C 3.4V
[8] 3.3V [8] 1.9V Pin Tuner C 2.5V A 3.38V
[1] 8.92V E Gnd
IC701 +1.8V_DDR IC707 +1.8V_MEMC [2] 1.88V
Pin Regulator Pin Regulator [3] 5.04V Q106 S5/S6 Reset
[1] 0V [1] 0.8V [4] 0V Pin Mstar
[2] 3.2V [2] Gnd [5] Gnd B 0V
[3] 3.2V [3] 4.92V C 3.28V
[4] n/c [4] 6.5V IC1203 SPIF Optical E 0V
[5] n/c [5] 4.8V Pin Audio
[6] 1.8V [6] 1.8V [1] 1.58V Q702 INV_ON
[7] 0.8V [7] 1.8V [2] 3.2V Pin Inverter
[8] Gnd [8] 4.8V [3] Gnd B 0.05V
[4] 1.61V C 4.66V
IC704 +3.3V_FE IC708 +1.26V_MEMC [5] 3.21V E Gnd
Pin Regulator Pin Regulator
[1] 0.8V [1] Gnd IC3500 +3.3V_Dimming
[2] Gnd [2] 0.8V Pin Regulator
[3] 5V [3] 1.26V [1] Gnd
[4] 7.5V [4] 1.26V [2] 3.3V
[5] 5V [5] 1.8V [3] 5V
[6] 3.3V [6] 5V
[7] 3.3V [7] 1.26V
[8] 2.1V [8] 5V
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