Vga Core 1.5Vs - Clevo M740J Service Manual

Schematic Diagrams

VGA CORE 1.5VS

3 2 E X T_ V G A _ P OW E R _ ON #
Sheet 37 of 47
VGA CORE 1.5VS
3 1 , 3 2, 3 5 , 3 6
B - 38 VGA CORE 1.5VS
G P I O1 5 _ P S W _ 0
1 3 G P I O 15 _ P S W _ 0
1. 2V 1 .0 V 1 .0 V 0 .9 5V
G P I O2 0 _ P S W _ 1
1 3 G P I O 20 _ P S W _ 1
GP IO15 0 1 0 1
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GP IO20
0 0 1 1
5V
P R 8 1
E N _ V GA _C OR E
1 M_ 1 %_ 0 4 + K
P Q 9 P C 1 0 8
S U S B P R 9 3 * 0_ 0 4 Z 3 70 1 G
2 N 7 0 02 W + K
2 1
P J2
P J 1 8 2 m m 2 2 00 P F _ 5 0 V _ 06 + K
3 m m
04 16
3. 3V S
P R 84
*1 0 K _ 0 4
V GA V C OR E _ P W R GD
P C 11 2
*1 0 0 P _ 50 V _ 0 4
P R 8 5
P C 1 1 7 P R 8 6
0 _ 0 4+ K
2 0 P _ 5 0V _0 4 + K 1 0 K _ 1% _ 0 4+ K
F B
P C 1 14 P R 8 9
. 0 1 U _ 1 6 V _ 04 + K 4 9 . 9 K _1 % _ 0 6+ K
1 .8 V
P R 2 0 1 *1 0 K _ 0 4 1 . 5V S _P W R G D
3 . 3 V
P R 2 0 2 1 0 0 K _1 % _ 0 4 Z 3 7 10
5 V
P Q4 5 P C 25 9
G 2 N 7 0 02 W
S U S B
2 2 00 P F _ 5 0 V _ 06 P C 2 4 5 P C 2 36 P C 23 9
. 1 U _ 1 6V _ 0 4 1 0U _ 10 V _ 0 8 10 U _1 0 V _ 0 8
5V
P R 7 6 *1 0 K _ 0 4+ K
P R 7 5 *1 0 K _ 0 4+ K
5V
0411
P R 78 P R 7 7
1 0 0K _ 0 4 +K 1 0 0K _0 4 + K
P D 1 1
P R 1 F M0 5 4 0-N + K
1 0K _1 % _ 04 + K
4
P C 1 1 1
P U 3 . 1 U _ 5 0V _ 0 6 + K
S C 4 7 1A + K
Z 3 7 05
1 2 1
E N L X
1 1 2 Z 3 7 06
P G D B S T
Z 3 7 02 1 0 3
V O U T V C C
9 4 Z 3 7 07 4
F B D L
1 7 A O 44 5 6 +K
P A D
04 17 P R 9 0
3 7 . 4 K _ 1% _ 0 6 +K
P C 11 6
P R 8 7
Z 37 1 3 Z 3 7 1 4 1 U _ 1 0 V _ 06 + K
P C 1 1 9 37 . 4 K _ 1 %_ 0 6 +K
4 7 0 P _ 50 V _ 0 4 +K
P R 9 1
3 7 . 4 K _ 1% _ 0 4 +K
P R 8 8
Z 37 1 5 Z 3 71 6
04 17
P C 1 1 8 37 . 4 K _ 1 %_ 0 4 +K
1 0 0 0 P _5 0 V _ 0 4+ K
04 17
5 V
P C 2 5 8
P U 9 AP L 5913 1 U _ 1 0V _0 6
5 6
V I N V C N T L
9
V I N
7 4 Z 3 7 1 1
P O K V O U T
3
V O U T
8
E N Ra
1 2 Z 3 7 1 2 P R 1 76 8 . 8 7 K _ 1% _ 0 4
G N D V F B
P C 2 22 6 8 P _ 5 0V _0 4 P C 2 1 4 P C 2 2 3
10 U _1 0 V _ 0 8 1 U _1 0 V _ 0 6
P R 1 7 7
Rb
1 0K _ 1 % _ 04
Vo ut = 0 .8 V ( 1 + R a / Rb )
< N A ME >
P Q8
A O4 4 74 + K
V G A _ V C O R E
15A
V GA _ C O R E
P L 2 P J3
2 . 5 u H _ 6 . 8* 7 . 3* 3 . 5+ K
1 2 1 2
8m m
P D 3 0417
P Q1 3
+ +
F M5 8 2 2+ K
EMI
V G A _ C OR E
P C 3 4 . 0 1 U _ 5 0 V _ 04
P C 1 8 * . 0 1U _ 50 V _ 0 4
1 . 5 V S
3A
P J 1 4
1 2
EMI
O P E N _ 3 A
1. 5 V S
P C 1 78 . 0 1U _ 50 V _ 0 4
P C 2 12
P C 2 08 P C 20 7
1 0 U _ 1 0V _0 8 1 0U _ 10 V _ 0 8 . 1 U _ 1 6 V _ 04