Ontario Display/ Clk/ Misc - Clevo W270BUQ Series Service Manual

Schematic Diagrams

ONTARIO DISPLAY/ CLK/ MISC

1 . 8 V S
3 . 3 V
3 . 3 V S
9 S B _ P R OC H OT #
Sheet 3 of 43
ONTARIO
DISPLAY/ CLK/
MISC
C 2 1
* 1 5 0p F _ N P O _ 50 V _0 4 0 2
LD T _ R S T#
A P U _ P W R G D
B - 4 ONTARIO DISPLAY/ CLK/ MISC
R 1 1 1K _0 4 C P U _ S V C
C P U _ S V D
R 1 2 1K _0 4
1 4 H D MI B _D 2 B P
R 1 4 30 0 _ 1 % _ 0 4 A P U _P W R GD
1 4 H D MI B _D 2 B N
1 4 H D MI B _D 1 B P
1 4 H D MI B _D 1 B N
1 4 H D MI B _D 0 B P
R 15 *1 K _0 4
1 4 H D MI B _D 0 B N
R 22 1 K _ 0 4 A P U _ T H E R M T R I P #
R 17 1 K _ 0 4 A P U _ T A L E R T#
H DM I
1 4 H D M I B _ C L K B P
R 19 1 K _ 0 4 P R OC H OT #
1 4 H D M I B _ C L K B N
A P U _ S I C
R 24 1 K _ 0 4
R 20 1 K _ 0 4 A P U _ S I D
1 2 , 1 3 L V D S -L 2 P
1 2 , 1 3 L V D S -L 2 N
1 2 , 1 3 L V D S -L 1 P
1 2 , 1 3 L V D S -L 1 N
1 3 L V D S -L 0 P
R 25 0 _ 04 P R O C H OT #
1 3 L V D S -L 0 N
LV DS
1 3 LV D S - LC L K P
1 3 LV D S - LC L K N
7 A P U _ C L K P
7 A P U _ C L K N
1 . 8 V S 7 D I S P _ C LK P
7 D I S P _ C LK N
2 8 C P U _S V C
2 8 C P U _ S V D
R 13
3 0 0 _1 % _ 0 4
8 A P U _ S I C
8 A P U _ S I D
L D T _ R S T #
L D T _ R S T #
R 3 5
7 L D T _ R S T #
A P U _ P W R GD R 3 6
7 , 2 8 A P U _ P W R G D
C 84 0
0 . 1 u _ 16 V _ Y 5 V _ 0 4
7 P R O C H OT #
8 C P U _T H E R MT R I P #
R 3 8
9 , 2 0 A P U _ TA LE R T #
De l R3 5, R36 , R 38 3 /7
L D T R S T_ R
L D T P W R G D _ R
C 2 2
R 4 5
2 8 C P U _ V D D N B _R U N _ F B _H
* 1 5 0p F _N P O _ 5 0V _0 4 0 2 R 4 6
2 8 C P U _ V D D 0 _ R U N _ F B _ H
R 4 8
2 8 C P U _ V D D 0 _ R U N _ F B _ L
R 4 9
2 8 C P U _ V D D N B _ R U N _ F B _ L
1 . 8 V S
U 4 4 *7 4 A H C 1 G 0 8G W 1 . 8 V S
1
4 LD T _ R S T# _ B U F
R 5 3 *1 K _ 0 4
2
1 . 8 V S
U 4 5 *7 4 A H C 1 G 0 8G W
1
4 A P U _P W R GD _ B U F
R 5 4 *1 K _ 0 4
2
Reserve
1 . 8 V S
R 5 9
1 K _ 04
A P U _ T R S T # R 6 5 *0 _ 0 4
R 6 6 *1 0 K _ 0 4
R 6 7 *1 0 K _ 0 4
R 6 8 *1 0 K _ 0 4
ONTARIO DISPLAY/CLK/MISC
U 1 B
ANA L OG/ D ISPL AY/M ISC
T D P 1_TX P0 D P _ZV SS
B 8
T D P 1_TX N 0
D P _BLO N
B 9
T D P 1_TX P1 D P_D I G O N
A 9
T D P 1_TX N 1 D P_V AR Y_B L
D 10
T D P 1_TX P2
C 10
T D P 1_TX N 2 T D P 1_AU XP
T D P 1_AU XN
A 10
T D P 1_TX P3
B 10
T D P 1_TX N 3 TD P1_H PD
B 5
LT D P 0_T XP 0 LT D P 0_AU XP
A 5
LT D P 0_T XN 0 LT D P 0_AU XN
D 6
LT D P 0_T XP 1 LTD P0_H PD
C 6
LT D P 0_T XN 1
D A C _R ED
A 6
LT D P 0_T XP 2 D AC _R E D B
B 6
LT D P 0_T XN 2 D AC _G R E EN
D A C _ G R EE N B
D 8
LT D P 0_T XP 3 D A C _B LU E
C 8
LT D P 0_T XN 3 D AC _BLU EB
V 2
C LK I N _H D A C _H SY N C
V 1
C LK I N _L D A C _V SY N C
D 2
D I SP _C LKI N _ H D A C _S C L
D 1
D I SP _C LKI N _ L D A C _S D A
J1
SV C D AC _ZV SS
J2
S VD
TE ST 4
A P U _ S I C P 3
SI C TE ST 5
P 4
A P U _ S I D
S I D TE ST 6
TE ST 14
L D TR S T _ R T3
* 1 0 m i l _ s h or t _ 04
R ES ET _L TE ST 15
* 1 0 m i l _ s h or t _ 04 L D TP W R GD _ R T4
P WR O K TE ST 16
TE ST 17
P R O C H OT # U 1
P R O C H O T_ L TE ST 18
* 1 0 m i l _ s h or t _ 04 A P U _ T H E R M T R I P # U 2
T H E R M T R I P_L TE ST 19
T2
A LER T_L T EST 25_H
T ES T25 _L
A P U _ T D I N 2
T D I T EST 28_H
A P U _ T D O N 1
T D O T ES T28 _L
P 1
A P U _ T C K
TC K TE ST 31
A P U _ T MS P 2
T M S T EST 33_H
A P U _ T R S T # M4
T R S T_L T ES T33 _L
M3
D B R D Y
D BR D Y T EST 34_H
M1
D B R E Q#
D BR EQ _L T ES T34 _L
TE ST 35
* 1 0 m i l _ s h or t _ 04 V D D C R _ N B _ S E N S E F 4
V D D C R _N B _SE N S E TE ST 36
G1
* 1 0 m i l _ s h or t _ 04 V D D C R _ C P U _ S E N S E
V D D C R _C P U _S EN SE TE ST 37
V D D I O_ S U S _ S E N S E F 3
V D D I O _M E M _S_S EN SE
F 1
* 1 0 m i l _ s h or t _ 04 V S S _ S E N S E
V SS _SE N S E
* 1 0 m i l _ s h or t _ 04
TE ST 38
B 4
R SV D _1 D M AA C T I VE _L
W 11
R SV D _2
O N TA R I O ( 2. 0)
V 5
R SV D _3
P AR T 3 O F 5
O N T A R I O _ A P U
1 . 8 V S H D T+ H E A D E R / P L A C E O N T OP
J 1
1 2 A P U _ T C K
R 6 1
3 C PU _VD D I O C P U _T C K 4
A P U _ T M S R 6 3
5 G N D C PU _TM S 6
A P U _ T D I R 6 4
G N D C PU _TD I
7 8 A P U _ T D O
G N D C PU _TD O
H D T _T R S T # 9 1 0 A P U _ P W R G D _ B U F
1 1 C PU _TR ST _L C P U _ PWR O K_B U F 1 2
L D T _R S T # _ B U F
C PU _D B R D Y3 C P U _R ST _L_B U F
1 3 1 4 D B R D Y
C PU _D B R D Y2 C PU _D BR D Y0
1 5 1 6 D B R E Q#
R 6 9
C PU _D B R D Y1 C PU _ D B R E Q _L
1 7 1 8 J 1 0 8 _P L LT S T 0 R 7 0
1 9 G N D C PU _PLL TE ST0 2 0
J 1 0 8 _P L LT S T 1 R 7 1
C PU _VD D I O C PU _PLL TE ST1
*H D R 1 0 X 2 - B L U E - V E R T I C A L P L U G
De l R1 6 , R5 98 3 /7
O N D P _ C A L R
R 2 1 1 5 0 _ 1 %_ 0 4
O N _ B L O N R 1 6 *1 0 m i l _ s h o rt _ 0 4
B L O N 1 3
H 2
O N _ D I GO N R 5 9 8 *1 0 m i l _ s h o rt _ 0 4
N B _ E N A V D D 13
H 1 O N _ V A R Y
ON _ V A R Y 1 2
Fo r ANX3 11 0 3 /1 0
O N _ B L O N R 5 9 1
B 2 H D M I _ D D C _ C L K O N _ D I GO N
R 5 9 2
H D MI _D D C _ C L K 1 4
C 2 H D M I _ D D C _ D A T A O N _ V A R Y R 5 9 3
H D MI _D D C _ D A T A 1 4
C 1
P O R T C _H P D 1 4
A 3 L V D S _ D D C _ C L K
L V D S _D D C _ C L K 1 2 , 1 3
B 3
L V D S _ D D C _ D A T A
L V D S _D D C _ D A T A 1 2 , 1 3
R 6 0 *1 0 0 K _ 0 4
3 . 3V S
D 3
R 6 2 1 00 K _0 4
3 /21
D P _H P D 1 2
C 1 2
F or ANX31 10 3 /10
D A C _R E D 1 4
D 1 3
R 2 7 1 5 0 _1 % _ 0 4
A 1 2
D A C _G R E E N 1 4
B 1 2
R 2 8 1 5 0 _1 % _ 0 4
A 1 3
D A C _B L U E 14
B 1 3
R 2 9 1 5 0 _1 % _ 0 4
E 1
D A C _ H S Y N C 1 4
E 2
D A C _ V S Y N C 1 4
De l R3 3, R3 4 3 /7
F 2
D A C _ D D C A C L K 1 4
D 4
D A C _ D D C A D A T A 1 4
A P U _ S I C
R 3 0 R 3 3 *1 0 m i l _s h o rt _ 0 4
D 1 2 D A C _ R S E T 4 9 9 _ 1% _ 0 4 R 3 4 *1 0 m i l _s h o rt _ 0 4 A P U _ S I D
R 1 A P U _ T H E R M D A
R 31 *0 _ 0 4
S MD _ C P U _ T H E R M 8 , 9 , 2 0
R 2 A P U _ T H E R M D C R 32 *0 _ 0 4
S MC _ C P U _ T H E R M 8 , 9 , 2 0
R 6
T 5
E 4 A P U _ B P 1 _ T S T U P D _ U S C L K 1
R 5 8 1 K _ 0 4
K 4
L 1
L 2 A P U _ T E S T 1 8 _P LL T E S T 1
R 3 7 1K _ 04
M2 A P U _ T E S T 1 9 _P LL T E S T 0 R 3 9 1K _ 04 1 . 8 V S
K 1
A P U _ T E S T 2 5 _H _ B Y P A S S C L K R 4 0 51 0 _ 1 % _ 0 4
K 2 A P U _ T E S T 2 5 _L _ B Y P A S S C L K
R 4 1 51 0 _ 1 % _ 0 4
L 5
M5
M2 1
J 1 8 A P U _ T E S T 3 3 _H _ M_ C L K T S T _ H
C 2 3 0 . 1 u _1 6 V _ Y 5 V _ 0 4 R 4 2 5 1 _ 04
J 1 9 A P U _ T E S T 3 3 _L _ M _ C L K T S T _ L C 2 4 0 . 1 u _1 6 V _ Y 5 V _ 0 4 R 4 3 5 1 _ 04
U 1 5
T 1 5
H 4 A P U _ T E S T 3 5
R 4 4 * 1K _ 04
N 5 A P U _ T E S T 3 6
R 5
K 3
T 1 O N _ D MA A C T I V E #
R 5 0 0 _ 0 4
A L LO W _ L D T S T P 7
R 5 1 R 5 6 R 52
1 K _ 0 4 1 K _ 0 4 1 K _ 0 4 1 . 8 V S
1 . 8 V S
1 K _ 0 4
1 K _ 0 4
1 K _ 0 4
3 0 0 _1 % _ 0 4
* 0_ 0 4 A P U _ T E S T 1 9 _ P L L TE S T 0
* 0_ 0 4 A P U _ T E S T 1 8 _ P L L TE S T 1
1 0 0 K _ 0 4
1 0 0 K _ 0 4
1 0 0 K _ 0 4