LG 50PK950 Training Manual page 137

50PK950 Main Board Back Side Component Voltages
IC100 RS232 Control IC700
Pin
[1] 1.65V
[2] 1.65V
[3] 4.56V
[4] 1.65V
[5] 1.65V
[6] 4.66V
[7] Gnd
[8] n/c
[9] 1.657V
[10] 0V IC702
[11] 4.5V
[12] 0V
[13] 1.657V
[14] 5.12V
IC101 RS232 EEPROM
Pin
[1] Gnd
[2] Gnd
[3] Gnd
[4] Gnd
[5] 4.325V
[6] 4.8V
[7] 5.12V
[8] 5.0V
IC602 DDR_VTT
Pin Regulator
[1] Gnd
[2] 3.3V D209
[3] 0.43V
[4] 0.94V
[5] 1.857
[6] 3.3V
[7] 1.86V
[8] 0.93V D210
Micro EEPROM IC704 RS232 Selector
Pin Pin
[1] Gnd [1] 3.26V
[2] Gnd [2] 3.26V
[3] Gnd [3] n/c
[4] Gnd [4] n/c
[5] 3.3V [5] n/c
[6] 3.3V [6] Gnd
[7] Gnd [7] n/c
[8] 3.3V [8] Gnd
[9] Gnd
RS232 Selector [10] 4.99V
Pin [11] 4.99V
[1] 3.34V [12] 0.88V
[2] 5.78V [13] 3.3V
[3] 0V [14] 3.3V
[4] 0V [15] 3.3V
[5] 0.2V [16] 5V
[6] (-5.68V)
[7] 5.78V IC707 Reset IC
[8] Gnd Pin
[9] n/c [1] 3.3V
[10] Gnd [2] Gnd
[11] 3.3V [3] 3.31V
[12] 0V
[13] 0V IC1400 Reset IC
[14] (-5.68V) Pin
[15] Gnd [1] 0V
[16] 3.3V [2] 1.29V
[3] 3.27V
HDMI Hot Swap
Pin Routing HDMI1 D211 HDMI Hot Swap
[A1] 5.13V Pin Routing HDMI3
[A2] 0.15V [A1] 5.13V
[C] 4.67V [A2] 0.15V
[C] 4.67V
HDMI Hot Swap
Pin Routing HDMI2 D212 HDMI Hot Swap
[A1] 5.13V Pin Routing HDMI4
[A2] 0.15V [A1] 5.13V
[C] 4.67V [A2] 0.15V
[C] 4.67V
IC1001 Motion Remote Q201
Pin IC
[1] 0V (3.3V M_Remote Used)
[2] 3.3V (0.3V M_Remote Used)
[3] n/c
[4] n/c
[5] n/c Q202
[6] Gnd
[7] Gnd
[8] Gnd
[9] n/c
[10] 0.02V
[11] 0V D200
[12] 3.3V
[13] 0V (3.3V M_Remote Used)
[14] 3.3V
[15] 3.3V
[16] 3.3V
Q203
Q100 RGB W/P
Pin
[B] 0V
[C] 5.12V
[E] Gnd
Q204
Q101 Wired IR
Pin 1st Buffer
[B] 0V
[C] 3.33V
[E] Gnd
Q205
Q102 Wired IR
Pin 2nd Buffer
[B] 0.6V
[C] 0V
[E] Gnd
Q206
Q200 CEC Remote
Pin HDMI CEC
[B] 2.59V
[G] 3.3V
[S] 2.58V
[D] 3.25V
137
Hot Swap HDMI1 Q207 Hot Swap HDMI4
Pin Pin
[B] 4.27V [B] 4.28V
[C] 0V [C] 0V
[E] Gnd [E] Gnd
Hot Swap HDMI2 Q208 Hot Swap HDMI4
Pin Pin
[B] 4.27V [B] 0V
[C] 0V [C] 5V
[E] Gnd [E] Gnd
HDMI CEC Limiter Q500 Flash WP
Pin Pin
[A1] 0V [B] 0V (Flash_WP)
[A2] 3.31V [C] 3.36V
[C] 3.18V [E] Gnd
Hot Swap HDMI3 Q702 IR Out
Pin Pin 2nd Buffer
[B] 4.27V [B] 0V
[C] 0V [C] 3.32V
[E] Gnd [E] Gnd
Hot Swap HDMI1 Q703 IR Out
Pin Pin 1st Buffer
[B] 0V [B] 0.62V
[C] 4.26V [C] 0V
[E] Gnd [E] Gnd
Hot Swap HDMI2 Q1300 Wired IR
Pin Pin 1st Buffer
[B] 0V [E] Gnd
[C] 4.26V [B] 0V
[E] Gnd [C] 17V
Hot Swap HDMI3 Q1301 Wired IR
Pin Pin 2nd Buffer
[B] 0V [G] 17V
[C] 4.26V [S] 17.1V
[E] Gnd [D] 0V
Q1401 SIF Buffer
Pin
[B] 0.165V
[E] 0.83V
[C] Gnd
October 2010 50PK950 Plasma