Acer AL512 AL512 Monitor Service Guide - Page 10

6. SCHEMATIC DIAGRAM 6.1. VGA INPUT P701 8 HEADER 2mm JT166L 2202120100 1 2 3 4 8 7 6 5 DDC-SCL D114 NC C169 VPORT DDC-SDA HSYNC D115 NC C170 VPORT D106 NC VSYNC D107 NC D103 NC D108 NC D104 NC D109 NC +3.3V D105 NC D110 NC 2 DOWN UP 1 PWR/LED PSM/LED PWR/SW S705 S704 S703 S702 GREEN ORANGE D701 S701 J101 13 12 11 10 9 8 7 6 5 4 3 2 1 13 12 11 10 9 8 7 6 5 4 3 2 1 R-GND G-GND B-GND PC_5V RED GREEN BLUE HSYNC VSYNC DDC-SDA DDC-SCL CONN RCPT 13 BLUE GREEN RED L101 32 L102 32 L103 32 C105 VPORT VGA_GND L100 R100 R101 R102 200 75 1% 75 1% 75 1% R105 22 R103 22 C108 R105 VPORT 10K/NC C101 0.1u C102 0.1u C103 0.1u C106 C107 C100 NC VPORT I101A 1 2 74LVC14 VPORT VGA-GND Optional I101B 3 4 74LVC14 R106 1K/NC R104 100 C104 +3.3V 33p PA-HSYNC 2 PA-BLUE 2 PA-GREEN 2 PA-RED 2 SOGI 2 C109 0.1u VCC D111 1N4148 DDC_VCCA C112 0.1u I102 1 2 3 4 NC VCC NC VCLK NC SCK VSS SDA 8 7 6 5 24LC21 D112 1N4148 R109 R110 R111 8 PIN SOCKET P108 C172 C110 Optional VPORT 150pF R108 change to C172 150 VSYNC 150 DDC-SCL DDC-SDA DDC-SCL 3 DDC-SDA 3 150 DDC-SCL1 3 DDC-SDA1 3 I101C 5 6 74LVC14 I101D 9 8 74LVC14 R107 100 C111 33p PA-VSYNC 2 +3.3V C113 0.1u I101E 11 10 74LVC14 I101F 13 12 74LVC14 74LVC14 VCC IS +3.3V D12 NF4 C14 R11 I2 AL512/AL513 9/20/2002 -9-