LG 50PJ340 Training Manual - Page 93
Control Board LVDS P121 Connector Voltages and Diode Check
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Control Board LVDS P121 Connector Voltages and Diode Check P121 Connector "Control Board" to "Main "P703" P121 LVDS "Control" to P703 "Main" Pin Label Run Diode Check 1 Gnd Gnd Gnd 2 RA2- 1.13V 1.32V 3 RA2+ 1.35V 1.36V 4 RB2- 1.21V 1.36V 5 RB2+ 1.27V 1.36V 6 Gnd Gnd Gnd 7 RC2- 1.26V 1.32V 8 RC2+ 1.22V 1.36V 9 RCLK2- 1.23V 1.36V 10 RCLK2+ 1.23V 1.36V 11 RD2- 1.21V 1.36V 12 RD2+ 1.26V 1.36V 13 Gnd Gnd Gnd 14 Gnd Gnd Gnd 15 RF2- 1.23V 1.32V 16 RF2+ 1.25V 1.36V P121 LVDS "Control" to P703 "Main" Pin Label Run Diode Check 17 ROM_TX 3.3V 3.09V 18 ROM_RX 3.29V 3.09V 19 Gnd Gnd Gnd 20 n/c n/c Open 21 n/c n/c Open 22 PC_SER_CLK 0.59V 3.08V 23 PC_SER_DATA 3.3V 3.09V 24 RE2- 1.23V 1.36V 25 RE2+ 1.25V 1.36V 26 Gnd Gnd Gnd 27 DISP_EN 2.87V Open 28 Module_SDA1 3.3V Open 29 Module_SCL1 3.3V Open 30 n/c n/c Open 31 Gnd Gnd Gnd Blue Pins indicate 12 bit differential video signal 1 Pin 27 is the reason the LVDS cable must be removed to use the EX_AUTO_GEN shorting pins to create multiple internal generated test patterns (Panel Test). Enables the Control Board Note: There are no voltages in Stand-By mode. 93 July 2010 50PJ350 Plasma