Lenovo Y27g RE Service Manual page 25

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Big plane
DC-POWER Input
CN7001
19V
9
8
7
F701
Big plane
Big plane
6
19V
5
JACK_DET
4
FUSE 4A
3
2
R7101
C7106
1
C7101
C7102
12R
1UF 25V
100nF 50V
1UF 50V
DC JACK 9P
D7101
GND
Q7102
GND
GND
NC/LMBT3906LT1G
3V3
GND
3V3
5
R7111
1.3KOHM +-1% 1/10W
GND
R7110
JACK_DET
R7102
JACK_DET1
6
C7105
0R05 1/16W
ZD7101
Q7103
C7113
NC/LMBT3904LT1G
100NF 25V
GND
GND
GND
GND
+2.5V_UC
+5V
R7020
10K
R7021
NC
R7022
0R05 OHM
R7023
BL_PWM
DIMIN
DIM
2
IN
470OHM +-5% 1/10W
R7028
1
Q7001
C7082
NC
NC
NC
GND
GND
ON/OFF_IN
R7033
NC/0R05 OHM
3V3
3V3
+2.5V_UC
R7034
R7035
R7036
10K
10K
10K
ON/OFF
R7037
BL_ENABLE_N
Q7002
2
IN
LMBT3904LT1G
0R05 OHM
R733 change to NC ; R734/R735 10K_ohm ;
Q702 3904 - 20131211
GND
GPIO0 : Monitor power mode (1:power
on, 0:power saving) --HUB
5V_USB
5V_USB
CN702
+
C758
15
16
470UF 25V
13
14
11
12
20151029
9
10
PWR_MODE
7
8
BC_EN
8
PWR_MODE
+5V
LED_PWR_EN
5
6
LED_STB
8
LED_PWR_EN
3
4
1
2
razer pwer en
CONN
razer U7101 PIN25
R7012
0R05 1/4W
R7015
0R05 1/4W
R7017
0R05 1/4W
Big plane
GND
19V
+19V
Q7104
R7002
R7004
1
8
19V
100K 1/16W 5%
10 OHM 1%
2
S1
D1
7
S2
D2
+19V 9,12
3
6
S3
D3
4
5
G
D4
C7111
+19V
C7071
+
AO4407A
C7108
C7110
P-MOS
100NF 50V
1uF 25V
1UF 25V
R7007
C7109
100K 1/16W 5%
R7008 1K 1/16W 5%
GND
GND
47P 50V
R7009
R7109
R7010
NC/10K
12K +-1% 1/16W
200KOHM 1/8W +/-5%
17.1K
GND
R7013
R709 change to NC -
C7112
5.1K 1%
20140127
R7018
NC/0.22uF 50V
12K 1/10W 1%
GND
+5V
BRI_ADJ-PWM0
2
R7024
NC/91K 1%
D7003
R7025
SR34H
62K 1/16W 1%
U7002
A dd D703/C736 -
1
2
AAM
20140114
3
IN
4
SW
EN/SY NC
GND
C7036
C7083
2.2UF
NC/10UF 25V
MP2315GL
GND
GND
GND
C727 change to NC -
Value change t o: MP2315GL f or A llegro
20140128
GND
VBLCTRL
2
R7038
NC/91K 1%
R7040
R7039
100K 1/10W 5%
62K 1/16W 1%
+2.5V_UC
2V5
+5V
U7003
FB7007
1
8
AAM
FB
2
7
IN
VCC
600OHM
3
6
SW
EN/SY NC
C7033
4
5
GND
BST
10UF 25V
R7044
20R 5% 1/16W
MP2315GL
GND
GND
Value change t o: MP2315GL f or A llegro
GPIO1 : BC mode on/off (1:on, 0:off)
R7068
100K 1/10W 5%
12
BC_EN
3
+5V
TP25
U7004
+5V
4
3
IN
LX
2
5
GND
1
FB
EN
C7061
C7062
LED_STB
8
SY 8089AAAC
2.2UF 16V
NC/100nF 25V
R7067
12K 1%
GND
+19V
R7001
430K 1%
U7001
24
17
TON
VN
18
VN
3
19
C7067
C7068
+
C7069
+
C7066
V5V
VN
20
220UF 35V
220UF 35V
VN
C7006
10UF 25V
10UF 25V
22
R7003
BST
10UF 25V
1.5R
4
C7070
PGND
GND
100NF 25V
ADD MLCC *4
26
5
VCC
LX
GND
6
L7001
LX
7
4.7uH 32mOHM 5.5A
LX
8
R7005
LX
9
NC
LX
2
10
C7072
AGND
LX
C7077
R7006
0.01uF 25V
NC
20K 1%
11
23
PGND
12
EN
PGND
13
PGND
14
PGND
15
C7078
PGND
1N 50V
16
PGND
C7029
C7080
100PF 50V
1NF 50V
R7011
20K 1/16W
25
GND
OUT
28
R7014
PGOOD
R7016
29
27K 1/16W 1%
20K 1/16W
AGND
27
FB
1
R7019
C7081
ILIM
4K7 1/16W 1%
NC
G5312QN1U
GND
+5V
R7026
100K 1/10W 5%
R7027
12.7K
12.4K 1%
R7029
33K 1%
8
FB
7
VCC
6
PWR_GRP_2_ENABLE
5
IN
4,10
C7084
BST
R7031
R7030
100N 16V
R7032
20R 5% 1/16W
NC/0R05 OHM
40.2K 1/16W 1%
C7085
FB7002
100N 16V
GND
120R 6A
L7002
4.7uH 32mOHM 5.5A
C7030
C7031
C7032
22UF
22UF
22UF
GND
+5V
GND
18.7K
R7041
18.2K OHM +-1% 1/16W
R7042
40.2K 1/16W 1%
PWR_GRP_2_ENABLE
IN
4,10
C7034
R7043
100N 16V
R7045
2V5
NC/0R05 OHM
40.2K 1/16W 1%
C7035
FB7003
100N 16V
GND
120R 6A
L7003
3.3UH
C7040
C7041
C7042
22UF
22UF
22UF
+5V
GND
PWR_GRP_2_ENABLE
IN
4,10
R7069
NC/0R05 OHM
1V2
1.2V/2A
1V2
5
L7005
2.2uH
C7064
C7065
22UF
R7066 12K 1%
0.1UF 16V
GND
5/28
C7063 NC
GND
+19V
0.6*(1+R1/R2)
GND
1
120R 6A
+5V
USB_PW_ON
8
USB_PW_ON
20151029
25
D701
+5V
SK54BL
1
2
+5V
12
D702
1
2
+
SK54BL
4.99V
R7080
NC/0.01R 1%
GND
R7081
NC/0.01R 1%
3V3
3.34V
3V3
5
2.53V
2V5
5
FB715
Big plane
2
U7102
C7114
C7115
C7116
del C7084,C7085
10uF 25V
10uF 25V
100N 50V
9
VCC
C7117
R7121
4
100NF 25V
GND
GND
EN
100K1/16W
+5V
MP2229GQ-C633Z
GND
5
LPM
R7250
10K 1/16W 5%
8
FREQ/SY NC
R7507
Q7105
C7118
R7115
GND
22KOHM 1/10W
22K 1/16W 5%
100nF 50V
GND
GND
GND
GND
R7118
10R 1/10W 5%
5V_USB
C7120
100NF 25V
Max. 6.00A
Big plane
Big plane
Big plane
2
SW
5V_USB
11
L7102
SW
6.8uH
C7090
100N16V
C7121
15PF50V
R7117
6
FB
GND
16K 1/16W
R7119
91KOHM +-1% 1/10W
USB HUB +5V Power
7
R7120
SS
12K1/10W
GND
C7119
Vout = 0.6(1+(R1/R2))=5.04V
22N 25V
GND
T P V ( Top
Victory
Electronics
Co . , Ltd. )
OEM MODEL
Size
D
絬 隔 瓜 絪 腹
TPV MODEL
Rev
A
Key Component
03_12V and 5V supplies
PCB NAME
715G8134-M0A-000-0060
称爹
<称爹 >
Date
Thursday , March 24, 2016
Sheet
3
of
11
12

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