Acer AL513 Servicehandleiding - Pagina 9
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5. BLOCK DIAGRAM
SWITCHING POWER SUPPLY
AC 110~220V
INPUT
R
G
B
Hsync
BUF
Vsync
I101
74LCV14
I102
SDA/SCL
24LC21
EEPROM DDC
FROM
D-SUB
15 PIN
KEYPAD
15 inch LCD MONITOR BLOCK DIAGRAM
12V for INVERTER
5V for system
I103,I104,I110
5V to 3.3V
3.3V to 2.5V
OSC.
12MHZ
3.3V
2.5V
X101
MRT
MASCOT VZ
I001
LCD CONTROLLER
ADC+ SCALAR + T-CON
PA-HSYNC
PA-VSYNC
I100
I2C BUS
24LC16B
EEPROM
EDID I2C BUS
I105
8051PLCC
OSC.
12MHZ
X100
DC-DC
for PANEL POWER
I108 AIC1341
Q105,Q106,Q107
Q108,Q114,Q115
DC_EN
48 Bits
STH1,LP,INV1,INV2
POL,STV1,CPV
CPH1
BLT_ON
BRIGHTNESS
OPTION
VOLUMN CONTROL
AUDIO
IN
VCOM 3.6V
VDDG 18V
VEEG
-6V
VDDA 9.2V
VDDD 3.3V
LCD FLAT PANEL
TO
BACKLIGHT
High Volt
INVERTER
AUDIO AMP.
I601
SPEAKER
TDA7053A/TDA7057
9/20/2002
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