20” LCD Color Monitor BenQ G2020HDA
38
Schematic Diagram
Main Board
POWER_KEY# {4}
BKLT-EN
C204
0.1uF/16V
ZD203
NC
1
2
POWER_KEY #
R213
10K 1/16W
+
C202
100UF25V
VCC3
LED_R#
{4}
Volume#
{4}
LED_G
TA9SRKN8FWBQNN
1.0
BenQ G2020HDA
B
3
7
Monday , February 09, 2009
715G2498-2A-AO
<
称爹
>
3.POWER
G2498-2A-AO-X-15-090209
OEM MODEL
Size
Rev
Date
Sheet
of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬
隔
瓜
絪
腹
CMVCC
Near to Connect
Mute
{4}
ZD202
NC
1
2
Back light
Dimming(3.3V PWM)
Volume#
R208
120R 1/16W
'07-01-10 change to Elite
LED_G#
{4}
C210
0.1uF/16V
R207
120R 1/16W
DIM#
{4}
U201
AP1117E33LA
1
2
3
VSS
VOUT
VIN
VCC3
C205
0.1uF/16V
'06-12-29-3 Change R207,R208 Value
from 470ohm to 120ohm
R202
4K7 1/16W
Mute
FB201
120
KEY0
ZD201
NC
1
2
LED_R
Q204
PMBS3906
Q202
PMBS3904
KEY 1
{4}
FB202
NC
CMVCC
+
C203
100UF25V
C201
0.1uF/16V
CMVCC
BKLT-EN
R201
200 1/16W
Panel ID(3.3V PWM)
MVCC
C206
0.1uF/16V
C_PANEL_INDEX
KEY 0
{4}
PANEL_ID#
{4}
KEY1
INV_ON#
{4}
BKLT-VBRI
R210
10K 1/16W
C209
0.1uF/16V
* BKLT-EN High ON(3.3V)
VCC3
Q205
PMBS3906
CN201
CONN
1
2
3
4
5
6
7
8
9
LED_G
CMVCC
LED_R
CN202
CONN
1
2
3
4
5
6
'07-01-10 change to Elite
