Asus VH222S Service Manual page 21

Service Manual
CMVCC
5, 6 CMVCC
CN404
1 SM340A
2 D402
3 CMVCC
4 CMVCC
5 BKLT-VBRI R450
6 BKLT-EN
7 C_PANEL_INDEX
8 Volume
9 Mute
CONN
VCC3.3
R441
1K 1/16W 5%
R442
BKLT-VBRI
adj_BACKLIGHT
100R 1/16W 5%
ESD_VCC 2
DSUB_5V
D403
DSUB_5V 2
D401
BAT54C
BAT54C
CMVCC1
CMVCC1 5
BKLT-EN
NC R449
NC(R0402)
NC
PANEL_ID# 5
C425
Mute 5
NC
VCC3.3
R446
10K 1/16W 5%
Volume
5
Q408
2N3904S-RTK/PS
VCC3.3 VCC3.3
R437 R439
10K 1/16W 5% 10K 1/16W 5%
Q406
2N3904S-RTK/PS
on_BACKLIGHT 5
R440
4K7 1/16W 5%
VCC3.3
CMVCC1
R447
10K 1/16W 5%
C426
+
100UF25V
R448
Volume# 5
4K7 1/16W 5%
T P V ( Top Victory
絬 隔 瓜絪 腹 G2904-2-5-X-3-081008
Key Component 05.Power
Tuesday , August 19, 2008
Date
21
ASUS VH222S& VH222D
VCC3.3
R460
3.3 OHM 2W
R461
NC
VCC1.8
Q410
KN2907AS
Q409
KN2907AS C432
5 VCTRL
0.1uF/16V
MVCC
FB403 NC
VCC3.3
3
VIN
2
VOUT
1
ADJ(GND)
C428
0.1uF/16V U404 C422 + C427
AP1117D33L-13
0.1uF/16V 100UF25V
Electronics Co . , Ltd. ) OEM MODEL
ASUS VH222S
TPV MODEL
TCRMABN8XCUSAN
PCB NAME 715G2904-1B-5
Sheet 7 of 7
VCC1.8 5
+ C423
100UF25V
VCC3.3 4, 5
B
Size
Rev 1B
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