LG 42PW350 - Main Board (Back Side) Component Voltages

42PW350 Main Board Back Side Component Voltages
IC102 HDCP IC505 +2.5V_AVDD IC900 RS232 Tx/Rx IC1101 USB 5V Q800 HDMI CEC Q1305 Tune
r
EEPROM Pin Regulato
r
Pin Pin Limite
r
Pin Buffe
r
Pin CVBS
Pin [1] 3.3V (In) [1] 3.3V [1] Gnd [1 B] 3.29V [B] 3.63V
[1] Gnd [2] Gnd [2] 5.6V [2] 5.1V (In) [2 S] 3.29V [C] 0V
[2] Gnd [3] 2.52V (Out) [3] 0V [3] 5.1V (In) [3 D] 3.23V [E] 4.3V
[3] 3.3V [4] 0V [4] 3.3V [4 G] 3.3V
[4] Gnd IC801 IC801, IC802 [5] (-5.6V) [5] 0V D801 Biasing
[5] 3.3V EDID Data [6] (-5.6V) [6] 5.1V (Out) Q806 Hot Pin for Q800
[6] 3.3V Pin For HDMI [7] 5.7V [7] 5.1V (Out) Pin Swap [A1] 3.28V
[7] 3.3V [1] Gnd [8] 0V [8] n/c [B] 0V [C] 3.32V
[8] 3.3V [2] Gnd [9] 3.3V [C] 0V [A2] 0V
[3] Gnd [10] 0V IC1402 Serial [E] 0V
IC109 EEPROM [4] Gnd [11] 3.3V Pin Flash D803 5V
for Micro [5] 3.3V [12] 3.3V [1] 3.29V Q807 Hot Pin Routing
Pin [6] 3.3V [13] 0V [2] 0V Pin Swap [A1] 0V
[1] Gnd [7] 3.3V [14] (-5.6V) [3] 3.3V [B] 0.1V [C] 3.32V
[2] Gnd [8] 3.3V [15] Gnd [4] 0V [C] 0V [A2] 3.28V
[
3
]
Gnd
[
16
]
3.3V
(
B+
)
[
5
]
0V
[
E
]
0V
[]
[]
()
[]
[]
[4] Gnd IC804 EDID Data [6] 0V D804 5V
[5] 3.3V Side Input IC901 EDID Data [7] 3.29V Q900 Hot Pin Routing
[6] 0V Pin For HDMI for PC [8] 3.29V Pin Swap [A1] 3.28V
[7] 3.3V [1] Gnd Pin For HDMI [B] 0.63V [C] 3.32V
[8] 3.3V [2] Gnd [1] Gnd Q103 EDID [C]0V [A2]0V
[3] Gnd [2] Gnd Pin WP [E] 0V
IC500 3.3V_VST [4] Gnd [3] Gnd [B] 0V D805 5V
Pin Regulato
r
[5] 3.3V [4] Gnd [C] 5V Q1304 Tune
r
Pin Routing
[1] Gnd [6] 3.3V [5] 3.3V [E] 0V Pin SIF [A1] 5.1V
[2] 3.3V (Out) [7] 3.3V [6] 3.3V [B] 0.23V [C] 4.9V
[3] 5.09V (In) [8] 3.3V [7] 3.3V Q500 +5V_ST_EN [C]0V [A2]0V
[8] 3.3V Pin Switch CTL [E] 0.92V
[B] 0.64V
[C] 0V
[E] 0V
145
June 2011 42PW350 Plasma