Vt8237A-2 - Clevo M670SRU Service Manual

Schematic Diagrams
VT8237A-3
Sheet 17 of 40
VT8237A-3
V C C R TC
B - 18 VT8237A-3
2 . 5 V S
V LA D [ 0 . . 7 ]
7 V LA D [ 0 . . 7 ]
B GA 6C
V LA D 0 H 2 5
V A D 0 0
V LA D 1 G 2 6
V A D 0 1
V LA D 2 K 2 6
V A D 0 2
V LA D 3 J 2 3
V A D 0 3
V LA D 4 F 2 6
V A D 0 4
V LA D 5 G 2 5
V A D 0 5
V LA D 6 K 2 2
V A D 0 6
V LA D 7 K 2 4
V A D 0 7
E 2 4
V A D 0 8
G 2 3
V A D 0 9
L 2 6
V A D 1 0
L 2 5
V A D 1 1
E 2 6
V A D 1 2
E 2 5
V A D 1 3
L 2 4
V A D 1 4
M 2 6
V A D 1 5
G 2 4
7 V B E # V B E
K 2 3
7 U P C M D
U P C M D
K 2 5
7 D N C MD D N C M D
J 2 6
7 U P S T B U P S T B +
J 2 4
7 U P S T B # U P S T B -
H 2 6
7 D N S T B D N S T B +
H 2 4
7 D N S T B # D N S T B -
8 V P A R
R 2 63 4 . 7 K _ 0 6 V P A R F 2 4
2 . 5 V S V P A R
L V R E F _ S B H 2 2
V L V R E F
V C OM P P J 2 2
V L C O MP
L 2 2
2 V C L K _ S B
V C LK
Z 1 7 01 F 2 3
N C 1
Z 1 7 02 G 2 2
N C 2
L P C _ A D [ 3 : 0 ]
2 3 LP C _ A D [ 3 : 0]
L P C _ A D 0 A D 8
L A D 0
L P C _ A D 1 A F 7
L A D 1
L P C _ A D 2 A E 7
L A D 2
L P C _ A D 3 A D 7
L A D 3
L P C _ F R A M E # A F 6
2 3 L P C _F R A M E # L F R M
L P C _ D R Q# 0 A E 6
L R E Q 0
L P C _ D R Q# 1 A E 8
L R E Q 1
A L L _ P W R OK A C 5
3 , 1 5, 24 A LL _ P W R O K P W R GD
A D 4
1 6, 23 R S M R S T #
R S MR S T
V T 8 2 3 7A -B GA 54 1
V C C R T C A F 4
V B A T
3 2 K H Z X 1 A E 4
R T C X 1
3 2 K H Z X 2 A F 3
R T C X 2
40mil
J 1
C 7 0 6 R 5 80 C 7 02
J OP E N
1 0U _ 1 0 V _ 08 * 1 00 K _ 0 4 1 0 U _ 1 0 V _ 0 8
Z 1 7 1 5
ADD GND SHIELD
1 2
Z 1 7 1 6
C 47 9
5 P _ 5 0 V _ 0 6
M960803
VT8237R plus=> 10PF
VT8237A => 12PF
AP339A
2 . 5V 3 . 3 V
A 1 1
MC R S C R S 2 1
B 1 1
C O L 21
M C O L
C 1 1 Z 17 0 3 R 3 13 33 _ 1 % _ 06
M T X E N A
A 1 0 Z 17 0 4 R 5 51 33 _ 1 % _ 06
M TX D 0
B 1 0 Z 17 0 5 R 5 55 33 _ 1 % _ 06
M TX D 1
B 9 Z 17 0 6 R 5 69 33 _ 1 % _ 06
M TX D 2
A 9 Z 17 0 7 R 5 63 33 _ 1 % _ 06
M TX D 3
C 1 0
MT X C LK
D 1 0
M R X E R R R X E R 2 1
C 9
M R X C LK R X C L K 21
D 8
R X D V 2 1
MR X D V
C 8
M R X D 0 R X D 0 2 1
B 8
M R X D 1 R X D 1 2 1
A 8
R X D 2 2 1
M R X D 2
C 7
M R X D 3 R X D 3 2 1
A 7 Z 17 0 8 R 5 87 33 _ 1 % _ 06
MD C K
B 7 Z 17 0 9 R 5 88 33 _ 1 % _ 06 MD I O
MD I O
F 8
-P H Y P W R D N
N C , P H Y P W R D N
D 7
P H Y R S T -P H Y R S T 21
D 1 1 S E E C S
E E C S
B 1 2 S E E D O
E E D O
A 1 2 S E E D I
E E D I / E E D I * S E E D I 1 6
C 1 2 S E E C L K
E E C K
E 7 Z 1 7 1 0 R 3 2 5 2 . 2 _ 08
L A N V C C
C 4 6 8
E 6 . 1U _ 5 0 V _ 06
L A N GN D
U 2 4
F E R R H _ F E R R # 3
U 2 6
H _ A 2 0 M# 3
A 2 0 M
T 2 4
I GN N E H _ I G N N E # 3
R 2 6
I N I T H _ I N I T# 3
T 2 5
H _ I N TR 3
I N T R
T 2 6
N MI H _ N M I 3
U 2 5
S MI H _ S M I # 3
R 2 4
H _ S T P C LK # 3
S T P C LK
V 2 6 Z 17 1 2 R 8 32 0 _ 06
S LP H _ C P U S L P # 3 , 5
G H I
R 2 2
GH I / G P I 2 2 / GP O 2 2
P 2 1
D P S L P / G P I 2 3 / GP O 2 3 H _ D P S L P # 3
A C 9 V G A T E
V GA T E / G P I O 8
A C 8 S A T A _ L E D #
G P I 2 8 / GP O 2 8 / V I D S E L / S A T A L E D , GP I 2 8/ G P O 2 8/ V I D S E L S A T A _ L E D # 2 8
A B 9 D P R S L P V R 1
V R D P S L P / G P I 2 9 / GP O 2 9
A D 1 0 A G P _ B U S Y #
A GP _ B U S Y # 8
A GP B Z / G P I 0 6
S P C L K
R 2 3 S P C L K
P C I C LK S P C L K 2
U 2 3 N C _ C P P E #
A P I C C L K , G P I 1 9 N C _C P P E # 20
R 2 5 A P I C D 0
A P I C D 0/ GP I O 1 0
T 2 3 A P I C D 1
A P I C D 1/ GP I O 1 1
T 2 2 2 . 5 V S B P L L
P LL V C C
U 2 2 G N D _S B P L L
P L L GN D
3 . 3 V S 1 . 05 V S
V C C R T C R 3 40 R 35 9
3 2 K H Z X 1 1 0 K _ 0 6 1 K _ 0 6
3 2 K H Z X 2
Q 21
Z 1 71 4 B
2 N 3 9 0 4
Y 2
3 2 . 7 6 8K H Z B Q 2 0
3 , 1 5 , 2 4 A L L _ P W R OK
D T C 1 1 4 E U A
C 4 84
DPRSLPVR1 FOR VIA
5 P _ 5 0 V _ 0 6
C960604
R559 * ->0 C960615
D P R S LP V R 1 R 55 9 0 _ 0 4 P M _ D P R S L P V R
2 . 5 V S 2 . 5 V 2 . 5 V S 3 . 3V
C 4 7 5 C 4 48 C 3 7 4 C 3 7 7 C 4 45 C 4 3 9
1 U _ 1 0 V _ 0 6 4 . 7 U _ 1 0 V _ 08 . 1 U _ 5 0 V _ 06 4 . 7 U _ 1 0 V _ 08
. 1 U _ 5 0 V _ 06 1 U _ 1 0 V _ 0 6 1 U _ 10 V _ 0 6
T X E N 2 1
T X D 0 21
T X D 1 21
T X D 2 21
2 . 5 V S B P LL 2 . 5 V S
T X D 3 21
T X C LK 2 1
2 . 5 V S B P L L F B 1 2
C 40 3 H C B 2 0 1 2 K F -1 2 1T 3 0 _ 0 8
G N D _ S B P LL . 1 U _ 50 V _ 0 6 S 1 1 1 2 S 1
G N D _ S B P L L
3 . 3 V S
M D C 2 1
V GA T E R 5 6 4 4 . 7 K _ 06
M D I O 2 1
GH I R 2 7 5 1 K _ 0 6
2 1
2 . 5 V S
A P I C D 0 R 2 6 1 3 6 0_ 1 % _ 0 6
A P I C D 1 R 2 6 7 3 6 0_ 1 % _ 0 6
2 . 5 V S
DE L GHL PULL UP RES ISTER
T XE N R 3 1 8 1 0 K _ 06
V C O M P P R 2 8 2 3 6 0_ 1 % _ 0 6
M960808
V C C R T C 2 . 5 V S
V D D 3
40mil
D 3 7
R 7 1 6 4 7 0 _0 6 Z 1 7 1 7 A C
R 2 8 1 C 4 04
R B 7 5 1V
R 7 1 7 4 . 7K _0 6 . 1 U _ 50 V _ 0 6
D 3 9
1K _0 6 L V R E F _S B
Z 1 7 1 8 A C
R 2 7 9 C 4 05
R B 7 51 V
1 . 05 K _ 1 % _ 0 6 . 1 U _ 50 V _ 0 6
J B A T 1
R 6 3 0 1 K _ 0 6 Z 1 7 1 3 1
1
2
2
LVR EF _S B= 0 .3V F OR V T82 37 R pl us
C ON 2 _ B A T
LVR EF _S B= 0. 45V F OR V T82 37 A
R 2 7 7
*3 3 _ 0 6
3 . 3 V S
Z 1 7 1 1
C 4 1 9
*1 0 P _ 5 0 V _ 0 6 D P R S L P V R 1 R 55 8 4 . 7 K _ 0 4
A GP _ B U S Y # R 56 7 4 . 7 K _ 0 4
L P C _ D R Q #0 R 57 8 4 . 7 K _ 0 4
L P C _ D R Q #1 R 57 0 * 4 . 7K _0 4
Mu st u se +3 .3 VS US if i t wa nt to w ak e
EEPROM on L AN fr om r es ume f un ct io n w el l.
U 1 1 3 . 3 V
S E E D I 3 4 S E E D O
D I D O
S E E C LK 2 8
S K V C C
C 4 8 9
S E E C S 1 5
C S G N D
6 7 . 1 U _1 6 V _ 0 4
H _ P W R G D 3
N C 1 N C 2
C A T 9 3 C 46 S -2 6 4 9 0 T
Nea r to
Sou th
R 6 1 0 Bri dge
1 . 5 K _ 0 4
MD I O
P M_ D P R S LP V R 3, 1 5 , 3 1
C 46 9 C 4 8 1
. 1 U _5 0 V _ 0 6