Lenovo L2021 WA, Service Manual

Page: 19 / 64

Lenovo Service Manual L2021W
19
VCC3
C_PANEL_INDEX
R202
4K7 1/16W
C206
0.1uF/16V
Near to Connect
CMVCC
+
C203
PANEL_ID# {4}
POWER_KEY# {4}
LED_G
Q202
MMBT3904
* BKLT-EN High ON(3.3V)
MVCC
FB201
120 Ω
CN202
CONN
1
2
3
4
5
6
Back light
Dimming(0.5V~3V)
R213 10K 1/16W
'07-01-10 change to Elite
Mute
'06-12-29-3 Change R207,R208 Value
from 470ohm to 120ohm
LED_R# {4}
R207
120R 1/16W
R201
200 Ω 1/16W
CMVCC
Volume# {4}
KEY1
{4}
CMVCC
C204
0.1uF/16V
LED_G
CN201
CONN
1
2
3
4
5
6
7
8
9
CBPCRRHBFQ1 1.2
BenQ G920HD
B
2 6 Monday , March 30, 2009
715G3327-1
< 称爹 >
2.POWER
G3327-1-X-X-1-081127
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
C210
0.1uF/16V
POWER_KEY#
R208
120R 1/16W
Mute {4}
BKLT-EN
ZD201
NC/UDZSNP5.6B
1
2
'07-01-10 change to Elite
BKLT-VBRI
C205
0.1uF/16V
KEY0 {4}
Q205
MMBT3906 1
2
3
Q204
MMBT3906 1
2
3
R210 10K 1/16W
+
C202
U201
AP1117E33LA
1
2 3
VS
S
VOUT VIN
C201
0.1uF/16V
KEY1
VCC3
INV_ON# {4}
CMVCC
BKLT-EN
ZD202
NC/UDZSNP5.6B
1
2
ZD203
NC/UDZSNP5.6B
1
2
LED_R
C209
0.1uF/16V
Volume#
Panel ID(0.5V~3V)
DIM# {4}
FB202
NC/120OHM
KEY0
LED_R
LED_G# {4}
VCC3
'06-11-3 Remove R209(470 ohm)
MCU-RTD2122L/MCU_Vcc/DDC