LG KG280 Service Manual - Page 59

4. TROUBLE SHOOTING LCD Trouble CIRCUIT LCD CONNECTOR 35pin(ZIP) L_DATA00 L_DATA02 L_DATA04 L_DATA06 FL101 EVRC14S03Q030050R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 5 G1 10 G2 (50 ohm, 15pF) L_DATA01 L_DATA03 L_DATA05 L_DATA07 FL102 EVRC14S03Q030050R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 (50 ohm, 15pF) 5 G1 10 G2 L_DATA08 L_DATA10 L_DATA12 L_DATA14 FL103 EVRC14S03Q030050R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 (50 ohm, 15pF) 5 G1 10 G2 L_DATA09 L_DATA11 L_DATA13 L_DATA15 FL104 EVRC14S03Q030050R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 (50 ohm, 15pF) 5 G1 10 G2 2V8_VLCD CN101 * CON Pin 16, LCD Pin 20 : _LCD_RD LCD_RESET IF_MODE LCD_ID MLED MLED1 MLED2 MLED3 VSYNCOUT R106 100K R107 100K C109 1u 35 * LCD CON : Top Contact Type 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 XF2B-3545-31A-P ENQY0010901 9671S-35A-GF 5 G1 10 G2 L_MAIN_LCD_CS LCD_RS LCD_WR (50 ohm, 15pF) INOUT_A4 INOUT_B4 4 6 INOUT_A3 INOUT_B3 3 7 INOUT_A2 INOUT_B2 2 8 INOUT_A1 INOUT_B1 1 9 FL105 EVRC14S03Q030050R * NA : U103, C110 LCD_LDO_EN R113 4.7K R115 100K VBAT U103 1 VDD VOUT 3 4 6 NC CE GND1 2 5 GND2 R1114D281D-TR-F C110 1u IF_MODE LCD IF H 9 BIT I/F L 16BIT I/F 2V8_VLCD 2V8_VEXT 2V8_VCAM R110 NA R111 0 R112 NA C112 1u 2V8_VLCD R108 NA R109 47K IF_MODE ECCH0004904 10V Under ECCH0004904 LGE Internal Use Only - 60 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes