Lenovo Y27g RE Service Manual page 27

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+19V
+19V
2,15
+19V_IN_Panel
R7050
100K 1/16W 5%
C7045
+
C7046
C7047
C7048
100UF 25V
10UF 25V
10UF 25V
1uF 25V
C745 change t o
R7052
30K 1/16W
100uF/25V -
20140117
GND
GND
GND
GND
3V3
+5V
R7054
R7053
NC/10K
4.7K1/16W
R7055
9
SY S_LCD_TURN_PANEL_ON_N
6.8K1/16W
R753 change t o 10K_ohm ;
R754 NC - 20131219
R753 change t o 4.7K_ohm
; R755 change t o
6.8K_ohm - 20140128
V_LCD
FB7006
120R 6A
C7009
C7008
NC/100NF 25V
NC/100UF 25V
DCP_FB
GND
R7047
10K 1/16W
U7005
APW7089KAI-TRG
1
8
VIN
GND
2
7
EN
FB
3
6
DCP_COM
GND
UGND
COMP
DC_Panel_EN
4
5
Panel_P
VCC
LX
C7044
DCP_VCC
1uF 25V
C7052
D7001
D7002
R7051
DCP_GND
1uF 25V
SX36
SX36
DCP_COMP
C7054
820pF 50V
GND
GND
GND
GND
GND
DC Panel EN
7
Panel_VCC = 5V
L704 = 10uH
R748 = 63.4K
R747 = 12K
C743 = 56pF
Q7003
R751 = 51K
LMBT3904LT1G
C754 = 1000pF
C7055
100NF 25V
GND
GND
Panel_VCC
Panel_VCC
+
C7056
+
C7057
100NF 25V
R7056
R7057
100UF 25V
1.2K 1/4W
1.2K 1/4W
GND
27
C7043
NC56pF 50V
R7048
140K 1%
Panel_VCC
R7049
NC/0R05 OHM
L7004
22UH
C7050
C7051
+
C7049
220UF 35V
C7053
22P 50V
Must be low ESR type
GND
GND
GND
Panel_VCC = 12V:
Panel_VCC = 10V:
L704 = 15uH
L704 = 10uH
R748 = 140K
R748 = 11.5K
R747 = 10K
R747 = 1K
C743 = 22pF
C743 = 22pF
R751 = 62K
R751 = 62K
C754 = 820pF
C754 = 820pF
1
CN7739
2
CONN
3
4
5
6
7
8
9
10
GND
T P V ( Top
Victory
Electronics
Co . ,
絬 隔 瓜 絪 腹
Key Component
05_LCD PWR Control
Date
Thursday , March 24, 2016
Ltd. )
OEM MODEL
Size
C
TPV MODEL
Rev
A
PCB NAME
715G8134-M0A-000-0060
称爹
<称爹>
Sheet
5
of
11

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