LG 47LV4400 - Page 5

47LV4400 Main
(
Back Side
)
Component Volta
g
es
Q15 Controls Q41 VGA (PC) U4 3V3SV
Pin Q29 Pin Sorce Select Pin Regulator
[B] 0.68V (Ctrl) [B] 0.0V (VGA_11) [1] 2.05V (Reg)
[C]
0V (O t)
[C]
50V(S1U43 9)
[2]
3 29V (O t)
[C]
0V
(O
u
t)
[C]
5
.
0V
(S1
U43
p
9)
[2]
3
.
29V
(O
u
t)
[E] 0V (Gnd) [E] 0.0V (Gnd) [3] 5.21V (In)
Q18 HDMI Q42 RGB (PC) D11
RGB (PC)
Pin Write Protect Pin SO Switch Pin PWR Routing
[B] 0.0V (Ctrl GPIO0) [B] 0.0V (VGA_4 Mon ID) [A1] 0.58V (RGB p9)
[C] 5V (WP) [C] 5.0V (SO) [A2] 5.20V (+5VSB)
[E] 0V (Gnd) [E] 0.0V (Gnd) [C] 5V (VGA_PLUGPWR)
Q29 AV_3V3 Q71 SDA
Pin Source Switch Pin Switch
[G] 0.09V (From Q15) [G] 3.38V (DV33)
[S] 3.28V (+3V3SB) [S] 3.38V (SDA_SW)
[D] 2.27V (AV_3V3) [D] 5.0V (VGASDA_SW)
Q40
HDMI
Q72
SCL
Q40
HDMI
Q72
SCL
Pin HOT SWAP Pin Switch
[B] 0.0V (1_HOTPLUG) [G] 3.38V (DV33)
[C] 0.0V (HDMI p19) [S] 3.38V (SCL_SW)
[E] 0.0V (Gnd) [D] 5.0V (VGASCL_SW)