LG 32LD350 - Page 53

32LD350 Main (Back Side) Component Voltages
IC103 Reset IC1100 Earphone IC1201 RS232 IC7702 EDID Data Q1101-2 EARPHONE
Pin Generator Pin Amp Pin Data Buffer Pin HDMI4 Pin MUTE
[1] Gnd [1] 2.14V [1] 3.34V [1] 0V (Gnd) B 0V
[2] 0V [2] 0V (Gnd) [2] 3.48V [2] 0V (Gnd) C 0V
[3] 3.39V [3] 0.02V [3] 0V [3] 0V (Gnd) E Gnd
[4] 2.19V [4] 0V [4] 0V (Gnd)
IC104 EEPROM [5] 2.19V [5] (-5.37V) [5] 4.69V Q2405 IR Buffer
Pin Mstar [6] 4.37V [6] 5.39V [6] 4.69V Pin 1st Driver
[1] 0V (Gnd) [7] 2.19V [7] (-5.37V) [7] 4.69V B 0.6V
[2] 0V (Gnd) [8] 2.18V [8] n/c (0V) [8] 4.69V C 0V
[3] 0V (Gnd) [9] n/c (3.39V) E Gnd
[4] 0V (Gnd) IC1104 Optical Audio [10] n/c (3.35V) Q401 Power On/Off
[5] 3.31V Pin Amp [11] n/c (0V) Pin Driver for Q402 Q2406 IR Buffer
[6] 3.31V [1] 1.64V [12] 3.35V B 0.64V Pin 2nd Driver
[7] 0V (Gnd) [2] 3.29V [13] 0V C 0V B 0V
[8] 3.31V [3] 0V (Gnd) [14] 5.47V E Gnd C 3.3V
[4] 0V (Gnd) [15] 0V (Gnd) E Gnd
IC400
(
+3.3V_AVDD_MPLL
)
[5] 3.29V [16] 3.37V Q402 Power On/Off
Pin Regulator Pin Switch Q5004 Tuner SIF
[In] 3.35V IC1105 EDID Data IC7701 EDID Data 1 3.39V (In) Pin (Sound) Buffer
[Gnd] Gnd Pin PC Pin HDMI2 2 0.89V (Ctl) B 0.163
[Out] 3.34V [1] 0V (Gnd) [1] 0V (Gnd) 3 3.28V (Out) C Gnd
[2] 0V (Gnd) [2] 0V (Gnd) E 0.85V
IC408 Power_Det [3] 0V (Gnd) [3] 0V (Gnd) Q405 Inverter On/Off
Pin 24V, 12V, 3.5V [4] 0V (Gnd) [4] 0V (Gnd) Pin Switch Q7701 HDMI 2
[1] 3.52V [5] 4.7V [5] 4.7V B 0.06V Pin Det
[2]
3 35V
[6]
47V
[6]
47V
C
3 32V
B
0 63V
[2] 3.35V [6] 4.7V [6] 4.7V C 3.32V B 0.63V
[3] Gnd [7] 4.7V [7] 4.7V E Gnd C 0V
[8] 4.7V [8] 4.7V E Gnd
IC601 (+1.8V_Amp)
Pin Regulator Q407 PANEL_VCC Q409 PANEL_VCC Q600 AMP_MUTE Q7703 CEC Remote
[1] Gnd Pin
Control 2nd Driver Pin Switch Pin Pin 25 IC600 Pin HDMI CEC
[2] 1.81V B 0.68V S 11.97V (In) B 0.08V [B] 3.39V
[3] 3.31V C 0V G 1.84V (Enable) C 3.35V [G] 3.32V
E Gnd D 11.97V (Out) E Gnd [S] 0V
Q406 PANEL_VCC [D] 3.26V
Pin
Control 1st Driver D102 Mute D1115 5V Routing
B 0.05V Pin Routing Pin for IC7705 D7703 3.5V Blocking D7706 5V Routing
C 0.68V [A1] 0V [A1] 0.03V Pin for Q7703 Pin for IC7702
E Gnd [A2] 0V [A2] 0V [A1] 0V [A1] 4.98V
[C] 0V [C] 4.69V [A2] 3.37V [A2] 0V
[C] 3.3V [C] 4.69V
53
November 2010 32LD350 LCD-DV