Schematic; Main Board - AOC HP L1906 Service Manual

19" LCD Color Monitor

7. Schematic

7.1 Main Board

CONTENTS
SCHEMATIC
Title Page
Input
Gm5621
Keypad
Panel Interface
Power
SHEET
1
2
3
4
5
6
REVISION HISTORY
Date Author Ver
1/25/'05 scar A
2/24 R318 Changed from 0 Ohm to 4.7K Ohm
2/24 R236 Changed from 0 Ohm to NC
2/24 LED_G Changed from GPO3 to GPO1
2/24/'05 scar B
2/17/05 Changed from NC to G691L400T73
4.0V(open drain)
2/24 C328 Changed from 33pF to 47pF
2/24 C325 Changed from 22uF to NC
2/17/05 Changed from 1K to 47K
2/24 Q201 Changed from NC to 57L759-2
3/21 Layout Cancel R231,R225Net
2/17/05 R211Changed from +5V to +3.3V_VDD
2/24 R605 Changed from 100K to 10K
2/24 R608 Changed from 10K to 100K
2/24 C616 Changed from 0.068uF to 0.1uF
2/24 C605 Changed from 220uF to NC
2/24 C601 Changed from 22uF to NC
2/24 C602 Changed from 220uF to 100 uF
2/24 U602 Changed from TO-263 to 56L563-27 SOT-223
2/24 C601 Changed from 220uF to 100 uF
2/24/05 D601,D602 layout package
3/21 R236 Changed from GND to VCC(61L0603472)
3/31/05 EMI Solution:Add L401~L406
3/31/'05 scar C 3/31 EMI Solution: Add L601~L604
18
Comments
Preliminary
岿粇
Title
LCD Control Board
Size Document Number Rev
A
Date: Friday, April 01, 2005 Sheet 1 of 6
HP L1906