LG 50PK950 Training Manual page 135

50PK950 Main Board Front Side Component Voltages
IC400
IC401
[10] 3.3V
IC402
3.3V_NEC_ST IC403
Pin Regulator Pin
[1] Gnd
[2] 3.3V
[3] 5V
DDR 1.8V
Pin Regulator IC404
[1] 6.75V Pin
[2] 5.0V
[3] 1.85V
[4] Gnd
[5] Gnd
[6] 2.356V
[7] 0.9V
[8] 1.0V
[9] 2.4V
D3.3V / +3.3V
Pin Regulator
[1] 5V
[2] 3.3V
[3] 3.3V Q701
[4] 7.48V Pin
[5] 3.3V
[6] 0.8V
[7] 5V
[8] Gnd
Q900
Pin
A2.5V IC405
Regulator Pin
[1] 1.26V
[2] 2.5V
[3] 5V
7V (to IC405)
Regulator
[1] 17.1V
[2] 7.11V
[3] 7.11V [10] 5.0V
[4] 11.95V [11] 1.27V
[5] 3.3V [12] Gnd
[6] 0.8V [13] 3.3V
[7] 5.0V [14] 0.83V
[8] Gnd
IC406
Pin
RS232 IR Q901
Buffer Pin
[B] 0.574V [G] 3.276V
[E] Gnd
[C] 0V [D] 3.28V
SCL to LVDS Q1402
FET Pin
[G] 3.28V
[S] 3.28V
[D] 3.28V [C] Gnd
135
D1.2V / A1.2V IC705
Regulator Pin
[1] Gnd
[2] 4.99V
[3] Gnd
[4] 1.26V
[5] 0V
[6] n/c
[7] 6.17V
[8] 5.0V
[9] 5.0V
IC1101
Pin
5V (Tuner)
Reg
[1] 7.13V
[2] 5V
[3] 7V
IC1102
SDA to LVDS Pin
FET
[S] 3.289V
Video Buffer
[B] 2.05V
[E] 2.75V
October 2010
NVRAM
[1] Gnd
[2] Gnd
[3] Gnd
[4] Gnd
[5] 3.28V
[6] 3.28V
[7] Gnd
[8] 3.28V
USB1 5V
[1] 5.0V
[2] Gnd
[3] 3.2V
[4] 0V
[5] 0V
[6] 5.1V
[7] 0V
[8] 3.28V
USB2 5V
[1] Gnd
[2] 5.14V
[3] 5.14V
[4] 0.04V
[5] 3.28V
[6] 4.94V
[7] 4.94V
[8] n/c
50PK950 Plasma