Service manual

Schematic Diagrams
B - 30 +VDD5, +VDD3, +3V, +5V, +1.25V
B.Schematic Diagrams
+VDD5, +VDD3, +3V, +5V, +1.25V
Sheet 31 of 46
+VDD5, +VDD3,
+3V, +5V, +1.25V
Z3065
Z3064
Z3071
Z3069
Z3037
Z3072
Z3070
Z3053
6/30 PC173 BOM level error
6/30 PC91 BOM level error
6/30 PC90 BOM level error
5A
7A
5V for 640KHZ
PLLFLTR:0V for 220KHZ
5V for constant mode
Open for burst mode
FCB:0V for continuous mode
8A
2.5A
Z3026
SUSC
1.5A
0.7A
Allen_20060925
2006/02/14_Allen
+1.8V_SUS & +0.9V_SUS
SUSC#
V+
6/30 PR114 more P/N delete 6-14-1533B-01D
Z3002
Z3056
PR192
*100K_06
Z3057
Z3060
Z3039
Z3016
Z3058
Z3063
Z3062
SUSC
Z3061
Z3059
Allen_20060706
PIN11 GND PAD
6/30 PR63 BOM 6-13-40R21-28B value 40.2K
Z3042
VSSA
Z3035
Z3036
VTT
EN/PSV
Z3034
PC61
10U_25V_1206
..
3
G
4
D
8
S
2
D,
5
.
6
D.
7
,
1
PQ31
RQA130N 03
Z3038
Z3003
PC182
100nF/10V_0402
PR63 22.1K_1%
Z3043
Z3005
VSSA
Z3014
Z3024
VTTEN
PC66
0.1UF _06
PR105
15K_06
+
PC53 220U_6.3V_7343
PR66
174K _1%
Z3041
PR188
10K_04
PR73
0_06
Z3012
PR113
10K_06
PC70
2200P_06
PR163
0_06
PC98
10U/ 10V_0805
T
PR69
8m_2512
PR173
0_04
G
DS
PQ70
2N7002
PC185
10U/10V _0805
Z3040
PC192
10U/ 10V_0805
PC193
1UF /10V_06
G
S D
PQ63
2N7002
AC
PD24
1SS355
PC57 0.01U_06
PR189
1M_06
..
3
G
4
D
8
S
2
D,
5
.
6
D.
7
,
1
PQ61
RQA130N03
PC168
1UF/ 10V_06
PC 189
*10U /10V_0805
PC62
0.1U_50V _06
PR1 00
0_06
PC172
0.1UF _06
PR164
1.2M
1 2
PJP1
5mm
T
PC58 0.1U_X7R_06
PR67 100K_06
PC60 0.01U_06
T
PC177
1UF /10V_06
PR97
0_06
PR179
10K_04
PC104
2200P_06
PC102
0.1U F_06
G
DS
PQ35
2N7002
+
PC93 10U_25V_1206
T
PC101
10U_1206
PR74
105K_1%
+
PC108 220U_6.3V_7343
PC171
10U_25V_1206
PR177
0_06
PC187
10U/ 10V_0805
+
PC100 10U_25V_1206
PC67
0.1UF _06
PR103
0_06
PC52
10U _25V_12 06
PC204
0.1UF _06
PR107
15K_06
PR104
*0_06
A C
D53 SM140A
+
PC180
470UF/2.5V(D)
PC94
0.1UF _06
PR71
0_06
T
G
DS
PQ40
2N7002
+
PC54 220U_6.3V_7343
G
DS
PQ39
AO3409
PC183
100nF/10V_0402
PC169
1UF/ 10V_06
PC178
1nF/10V_0402
PC175
100nF/10V_0402
1 2
PL6 6.8uH
+
PC51 *220U_6.3V_7343
PC96
1000P_06
A C
PD23
1SS355
..
3
G
4
D
8
S
2
D,
5
.
6
D.
7
,
1
PQ30
RQA200N 03
PL5 4.7UH
PC191
10U/10 V_0805
PR175
20K_1%_04
PC195
100nF/10V_0402
PR169
2K_1%_04
PC167
100PF_0402
BOOST1
24
TG1
26
SW1
25
BG1
22
SENSE1+
30
SENSE1-
31
PLLIN
3
VIN
23
VOSENSE1
1
PLLFLTR
2
ITH1
5
FCB
4
3.3VOUT
7
SGND
6
INTVCC
20
BOOST2
17
TG2
14
SW2
15
BG2
18
SENSE2+
12
SEN SE2 -
11
VOSENSE2
9
ITH2
8
EXTVCC
21
RUN/SS1
28
RUN/SS2
13
PGOOD
27
PGND
19
NC
10
NC
16
NC
29
NC
32
PAD
33
PU5
LTC3728LX
PR98
0_06
1 2
PJ7 4mm
Z3009
PR96
0_06
PC59 10U_25V_1206
PR101
1M_06
PC203
0.1U F_06
..
3
G
4
D
8
S
2
D,
5
.
6
D.
7
,
1
PQ62
RQA200N03
PC179
1UF /10V_06
PR165
10_06
PR99
0_06
PC7 3
33P_06
PC184
100nF/ 10V_04 02
PR102
0_06
A C
PD22
SM340A
PR77
19.1K _1%
PC190
100nF/10V_0402
PR174
10K_1%_04
PR178
100K_04
PR1 14
10K_06
PR112
22.1K_1%
PC55
0.1UF _06
AC
PD36
RB751V
PC174
0.1U_50V _06
+
PC92 10U_25V_1206
..
3
G
4
D
8
S
2
D,
5
.
6
D.
7
,
1
PQ29
RQ A130N03
G
DS
Q122
2N7002
PR172
10_04
PR61
20K_1%
A C
D35
SM340A
PC56 0.01U_06
PC69
1000P_06
PR 111
1K_06
PL3 4.7UH1 2
PJP 2
5m m
PC196
100nF/10V_0402
PC194
100nF/10V_0402
PC1 88
* 10U/10V_0805
PC74
* 0.01U_06
A C
PD37
SM340A
PC72
33P_06
PR176
10_04
PR170
0_04
PR167
0_06
PC186
10U/ 10V_0805
PR110
100K_06
PR68
8m_2512
PC176
68nF_0402
+
PC50 220U_6.3V_7343
PC95
0.1UF _06
PR72
1M_06
PC71
* 100P_06
PC65
0.1U F_06
PC90
10U_25V_D IP
1 2
PL10
2.5uH
..
3
G
4
D
8
S
2
D,
5
.
6
D.
7
,
1
PQ28
RQA200N 03
PC97
100P_06
1 2
PJ6
6mm
PR62
0_06
PR171
10_1%_04
+
PC181
470UF/2.5V(D)
G
DS
Q97
2N7002
PC173
10U_25V_D IP
PC63 0.1U_50V_06
COMP
1
IN
8
SHDN#
3
GND1
4
FB
2
SW2
7
SW1
6
GND2
5
GND_EARTH
11
SS
10
ROSC
9
PU6
SC4501
PR106
*0_06
AC
PD20
ZD5.6V
+
PC99 10U_25V_1206
PC68
1000P_06
PC64
0.1U F_06
PC105
0.047U_0 6
PR166
10K_06
PR75
60.4K _1%
PR168
10_06
PC170
10U_25V_1206
G
DS
PQ34
2N7002
PR70
*0_06
VTTEN
11
TON
2
VDDQS
3
VSSA
4
VCCA
5
FB
6
PGD
7
REF
8
COMP
9
VTTS
10
EN/ PSV
1
VDDP2
12
VDDP2
13
VTT
14
VTT
15
PGND1
16
PGND2
17
PGND1
18
DL
19
VDDP 1
20
ILIM
21
LX
22
DH
23
BST
24
PU10
SC486
PC103
0.01U_ 06
PR78
0_06
PC91
10U_25V_D IP
T
G
S D
PQ65
2N7002
PR76
19.6K_1%
G
S D
PQ64
2N7002
VL
VIN
+VDD3
VL
VIN1
VIN
GND_F
GND _F
+VDD5
GND_F
+5VH8
+5 VS
VL
GND _F
+12V+ +1 2V
+V DD 5
+VDD5A
VIN
V DDQ
+1 .8 V
+3V
+VDD5
+0.9V
VI N
VREF
VDDQ
VDDQ
+VDD5
+VDD5
GND _F
GND _F
VL
+VDD5 10,14,17,19,23,25,28,31,33,35
+12V 5,9,20,21,23,25,27,28
GND_F
+V DD 5 A
+VDD3 5,9,14,17,19,23,28,30
VIN 17,28,30,31,33,35
VIN1 28,35
PGO OD 3 2
+5VH8 22,27,28
+5VS 9,12,15,17,19,22,23,25,27,28,32,33,34,35
DUAL_ PG 10
CPU_PROCHOT_L# 5,33
DDON22,28
VDDIOFB_L5
VDDIOFB_H5
TEST28,31
+3V 5,10,11,12,14,15,18,19,20,21,22,23,25,28,31,32
+1.8V 4,5,6,7,8
+0.9V 4,6,7,8
SUSC#14,22
TEST28,31
6/29 PR188 & PQ70 BOM lose
Z3019
Z3001
Z3017
V+
Z3021
Z3018
Z3010
Z3007
Z3004
Z3011
Z3013
Z3023
Z3006
Z3008
Z3020
Z3027Z3025
Z3031
Z3015
Z3030
Z3029
Z3028
Allen_20060421
Allen_20060421
PIN 2 5 =GND
Z3022
Z3032 Z3033