Schematic Diagrams
B - 28 Power 2 (71-P2970-002A)
B.Schematic Diagrams
Power 2
Sheet 27 of 28
Power 2
VPN1
V_CORE
VPN2
VPN3
+12V
+3V
+12V
+12V
V_CORE
V_CORE
V_CORE
VIN
VIN
VIN
+12V
V_CORE
VIN
VIN
+5V
VIN
+5V
+5V
Z2701
Z2702
Z2703
Z2707
Z2708
Z2739
Z2705
Z2704
Z2713
Z2712
Z2714
Z2711
Z2710
Z2709
Z2721
Z2738
Z2737
Z2736
Z2740
Z2725
VPN3
Z2706
Z2716
Z2718
Z2715
Z2722
Z2726
Z2723
Z2727
Z2728
VPN2
Z2732
Z2731
Z2733
Z2741
Z2744
Z2735
VPN1
Z2745
Z2720
Z2717
Z2724
Z2734
Z2743
Z2730
R543
40.2K_1%
C141
0.01u
R537
22K
R185
100
L14
1.6uH
1
2
L13
1.6uH
1
2
L12
1.6uH
1
2
R542
300_1%
C144
0.1u
R198
40.2K_1%
D24
SR140
A
C
R196
22K
C143
0.01u
C312
10p
R188
40.2K_1%
R531
22K
C140
0.01u
R528
51K_1%
C130
1u
R523
non pop
C137
0.1u
C272
1u
C273
0.047u
R197
1.62K_1%
Q14
2N7002
D
G
S
R192
383_1%
C126
1u
R187
360K
R530
10K_R
C315
1u_0805
R541
1.5K_1%
C135
1u
C133
1000p
C270
470p
R178
100
R534
20K_1%
R610
0
R344
0
C255
1000p
C127
1u
C314
10p
C271
0.1u_R
R343
0
C123
1u
U9
SX420
12
1
2
3
4
6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VI
N2
VPN
N/
C
VIN
BG
PGND
EN
CDLY
PAD
C317
1u_0805
D25
SR140
A
C
D5
SK54
C249
2.2nF_0805_R
R168
OPEN
C254
2.2nF_0805_R
R612
0
R170
OPEN
C253
2.2nF_0805_R
U10
SX420
12
1
2
3
4
6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VI
N2
VPN
N/
C
VIN
BG
PGND
EN
CDLY
PAD
R169
OPEN
R177
100
CA139
0.1u
C250
0.01u
+
C95
3300u/
6.
3V_10*
25
L16
1.6uH
1
2
C276
0.01u
C275
1u
R189
0
+
CT33
10u/25V_1206
C110
0.01u
+
C100
3300u/
6.
3V_10*
25
CA131
0.1u
+
C99
3300u/
6.
3V_10*
25
+
CT34
10u/25V_1206
C251
0.01u
CA266
0.1u
+
CT35
10u/25V_1206
CA248
0.1u
+
C92
3300u/6.3V_10*25_R
C136
1000p
C239
0.01u
C128
1u
CA249
0.1u
R527
0
C237
0.01u
CA241
0.1u
C238
0.01u
M7
IPB05N03LA
+
C121
1000u/16V/10*20
M6
IPB05N03LA
R175
0
R171
0
J7
JOPEN
2
1
M5
IPB05N03LA
+
C94
3300u/
6.
3V_10*
25
R173
0
R526
2.2K_1%
R524
1.62K_1%
M4
IPB05N03LA
R186
768_1%
+
C149
1000u/16V/10*20
Q44
2N7002
D
G
S
M3
IPB05N03LA
+
C125
1000u/16V/10*20
+
C148
1000u/16V/10*20
C146
68n
+
C97
3300u/6.3V_10*25
+
C98
3300u/
6.
3V_10*
25_R
+
C96
3300u/
6.
3V_10*
25
D21
SK54
D6
SK54
C313
1u_0805
R608
0
U11
SX420
12
1
2
3
4
6
11
8
9
10
5
7
13
DRN
TG
BST
CO
VI
N2
VPN
N/
C
VIN
BG
PGND
EN
CDLY
PAD
C316
10p
D23
SR140
A
C
C129
1u
M8
IPB05N03LA
U12
SC2643VX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
OS3
OS2
OS1
BGOUT
ERROUT
GNDSEN
FB
DACOUT
VCC
VID4
VID3
VID2
VID1
VID0
VID5
PGOOD
OSCREF
AGND
OUT1
OUT2
OUT3
OUT4
OUTSEN
OS4
VRD_EN
[3]
PRESCOTT_HI
[28]
VID0
[3,22]
VID1
[3,22]
VID2
[3,22]
VID3
[3,22]
VID4
[3,22]
VID5
[3]
VRMPGD
[14]
VCCSENSE [2]
VSSSENSE [2]
PRESCOTT_HI
[28]
+12V
[12,13,16,17,22,24,25,26,28]
+5V
[4,11,12,13,14,16,17,19,21,22,23,24,25,26,28]
V_CORE
[2,3,4,14,22]
VIN
D
G
S
D
G
S
D
G
S
D
G
S
D
G
S
D
G
S
C
A
C
A
C
A
P_GND2
P_GND2
P_GND2
P_GND2
P_GND2
P_GND2
P_GND2
P_GND2
Содержание L295U Series
Страница 1: ...L295U L297U...
Страница 2: ......
Страница 3: ...Preface I Preface LCD Computer L295U L297U Series Service Manual...
Страница 36: ...Disassembly 2 16 2 Disassembly...
Страница 39: ...Part Lists L295U Base A 3 A Part Lists L295U Base Figure A 1 L295U Base...
Страница 40: ...Part Lists A 4 L295U Back A Part Lists L295U Back Figure A 2 L295U Back...
Страница 41: ...Part Lists L295U Front A 5 A Part Lists L295U Front Figure A 3 L295U Front...
Страница 43: ...Part Lists L295U Combo A 7 A Part Lists L295U Combo Figure A 5 L295U Combo...
Страница 44: ...Part Lists A 8 L295U Toshiba DVD A Part Lists L295U Toshiba DVD Figure A 6 L295U Toshiba DVD...
Страница 45: ...Part Lists L295U FDD A 9 A Part Lists L295U FDD Figure A 7 L295U FDD...
Страница 46: ...Part Lists A 10 L295U HDD A Part Lists L295U HDD Figure A 8 L295U HDD...
Страница 47: ...Part Lists L297U Base A 11 A Part Lists L297U Base Figure A 9 L297U Base...
Страница 48: ...Part Lists A 12 L297U Back A Part Lists L297U Back Figure A 10 L297U Back...
Страница 49: ...Part Lists L297U Front A 13 A Part Lists L297U Front Figure A 11 L297U Front...
Страница 51: ...Part Lists L297U CD ROM A 15 A Part Lists L297U CD ROM Figure A 13 L297U CD ROM...
Страница 52: ...Part Lists A 16 L297U Combo A Part Lists L297U Combo Figure A 14 L297U Combo...
Страница 53: ...Part Lists L297U Toshiba DVD RW A 17 A Part Lists L297U Toshiba DVD RW Figure A 15 L297U Toshiba DVD RW...
Страница 54: ...Part Lists A 18 L297U FDD A Part Lists L297U FDD Figure A 16 L297U FDD...
Страница 55: ...Part Lists L297U HDD A 19 A Part Lists L297U HDD Figure A 17 L297U HDD...
Страница 86: ...Schematic Diagrams B 30 B Schematic Diagrams...