Philips 223V5LSB/00 Service Manual page 50

50 Meridian 5
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CC170C
W8 LCD
C
CONN
C
6
5
4
3
2 BKLT-VBR1
BKLT-EN
1
CN701
NC/CONN
9
8
7
6
5
4
3
2 VCC3.3
1
CN702
R712
R798 NC
Audio_VOL
NC/100R 1/16W 5%
VCC3.3
R711
NC
Audio_Mute
R713 NC/100R 1/16W 5%
R726
NC
VCC3.3
R717
NC
R720
NC
C717
NC
4 PANEL_ENABLE
+12V
+5V
+12V 2,3,4
C701
NC/10uF 16V
+12V
Audio_VOL 4
C755 C756
10UF 25V 10UF 25V
C754 layout 置 于 C732后 端
Audio_Mute 4
Rev:C Gill Change
VCC3.3
R701
10K
PS_EN 4 BKLT-VBR1
adj_BACKLIGHT
R704 100OHM
+5V
R706
10K
R715 R707
NC/0R05 OHM 100K1/16W
Q703 R708
NC
LMBT3904LT1G
R709
22K1/16W
R710 C707
4.7K1/16W 100NF 16V
3 D
1 2
G S
AO3401L
Belling as main source
U701
3 2
VI VO
SOT 223
BL1117-33CX(cu)
Both 223 and 252
foot-print
VCC3.3
U702
NC/BL1117-33CY
3 2
VIN VOUT VCC3.3 4
SOT 252 + C704
100UF 25V
C702 C703
100NF 16V 100NF 16V
+12V
L702
4A
10uH
U705 C748
C750 R745
C753
10NF 50V 9
100K1/16W R714 10uF 16V
GND
1 8 C746 100NF 16V
BS SS
2 7 47NF 16V NC/100pF 50V 47K +-1% 1/16W
VIN EN
3 6
LX COMP
4 5
GND FB
C754 R718
100NF 50V 5.1K 1%
APW7313
C749 R744
22P 50V 36K 1%
C752
1.5nF 50V R747
10K2 +-1% 1/10W
Vout = 0.92x(1+47/10.2)=5.16V
R716
BKLT-EN
4
100OHM
C705
100NF 16V
PANEL_VCC
Q702
LP3401CLT1G
+5V
C706
220nF 16V
T P V ( Top Victory Electronics Co . , Ltd. )
絬 隔 瓜 絪 腹
Key Component 05.POWER
Date Thursday , February 27, 2014
+5V
FB704
1 2
300R 4A
+ C733
C747 100UF 25V
on_BACKLIGHT 4
OEM MODEL Size C
AOC
TPV MODEL 1A-19" Rev A
PCB NAME
称 爹 <称爹>
Sheet 5 of 5