Chapter 7 Schematic Diagram - Acer X173 Service Manual

Schematic Diagram
Main Board
CN201
1 CMVCC
2
3 CMVCC
4 CMVCC
5 BKLT-VBRI
DIM#
6 BKLT-EN
7 C_PANEL_INDEX
PANEL_ID#
8 Volume#
Volume#
9 Mute
Mute
CONN
Panel ID(3.3V PWM)
Back light
Dimming(3.3V PWM)
CN202
1
2
3
4
5
6
CONN ZD202 C209 ZD203 C201
NC 0.1uF/16V NC 0.1uF/16V
Near to Connect
MVCC
{4}
CMVCC
{4}
FB201
{4}
{4}
3
120Ω
C202 C204
+
0.1uF/16V
'07-01-10 change to Elite
* BKLT-EN High ON(3.3V)
'06-11-3 Remove R209(470 ohm)
KEY 0
KEY 0
KEY 1
KEY 1
POWER_KEY #
POWER_KEY # {4}
LED_G
LED_R
'06-12-29-3 Remove R211,R212(470ohm)
ZD201 C210
0.1uF/16V
NC
FB202
NC
VCC3
U201
2
VIN VOUT
AP1117E33LA C205 C203
+
0.1uF/16V
'07-01-10 change to Elite
VCC3
R202
4K7 1/16W
BKLT-EN R201
200Ω 1/16W
C206
Q202
INV_ON#
0.1uF/16V PMBS3904
{4}
{4}
T P V ( Top Victory
絬 隔 瓜 絪 腹
G2498-1-K-AC-1-070707
Key Component 02.POWER
Date Monday , July 09, 2007
43
{4}
VCC3
'06-12-29-3 Change R207,R208 Value
R207 R208
120R 1/16W 120R 1/16W
from 470ohm to 120ohm
Q204
PMBS3906
R210 10K 1/16W
LED_R#
LED_R
R213 10K 1/16W
LED_G#
Q205
LED_G PMBS3906
Electronics Co . , Ltd. ) OEM MODEL X173
TPV MODEL T77SRDDNHABN
PCB NAME 715G2498-1-K-AC
Sheet 2 of 6
Chapter 7
{4}
{4}
B
Size
Rev 1
称爹