Service manual

Schematic Diagrams
VCORE B - 33
B.Schematic Diagrams
VCORE
SGND5
+3VS
VCORE
VIN
VIN
VCORE
VIN
+12V
SGN D5
SGN D5
SGND5
SGN D5
+3V
+3V
+VDD5
+3V
SGND5
+3V
VIN 16,29,30,31,34,36
+3V 4,9,10,11,13,14,17,18,19,20,21,22,23,24,26,29,33
+12V 8,20,21,23,26,28,29,30
VCORE 5
+VDD5 9,13,16,19,23,26,29,30,34,36
+3VS 2,4, 8,9,10,11,12,13,14,16,18,19,22,23,24,25,28,29,33,35,36
D_S TEP_ CPU25
CPU_ V ID1 4
CPU_ V ID4 4
CPU_ V ID2 4
CPU_ V ID0 4
CPU_ V ID3 4
VR_PWRGD9
TEST 2 9, 3 0
CPUVDD_EN 9
VCO RE -4,5
VCO RE +4,5
Z3232
Z3233
35W CPU
Z3202
35W CPU
Z3231 Z 3201
Z3213
Z3216
Z3204
Z3212
Z3217
Z3210
Z3215
Z3218
Z3220
Z3206
Z3211
Z3205
Z3208
Z3209
Z3207
Z3219
Z3214
Z3226
Z3229
Z3221
Z3236
Z3225
Z3222
Z3227
Z3223
Z3230
Z3234
Z3228
Z3224
Z3238
Z3239
Z3240
Z3241
Z3235Z3203
R853
0
D58
1SS35 5
AC
Q21
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
+
C562
22U_25V_OS10* 5
12
R736
*0
C135
*1U
R165
100K
Q28
2N7002
GS
D
R193
124K
C12 7
10U_1206
+
C578
470U_4V_7343
12
+
C573
470U_4V_7343
12
C146
0.01U
C148
0.1U_0805
C130
0.03 9U
C143
1U
C124
0.1U
+
C568
470U_4V_7343
12
R161
32.4K
U12
AD P 31 66
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
VID4
VID3
VID2
VID1
VID0
Crowbar
FBR TN
FB
COMP
PWRGD
EN
DELAY
RT
R AMPA DJ ILI MI T
CSREF
CSSUM
CSCOMP
GND
CS4
CS3
CS2
CS1
PWM4
PWM3
PWM2
PWM1
VCC
+
C564
470U_4V_7343
12
Q34
MMBT3906
B
E
C
C118
10U_1206
C81
1U
R191
10
R156
10K
R209
*1M
C104
10U_1206
R155
10K
R174
0
R190
*4.7K
+
C571
470U_ 4V_7343
12
U11
ADP3419
1
2
3
4
5 6
7
8
9
10
IN
SD#
DRVLSD#
CROWBAR
VCC DR VL
GND
SW
DRVH
BST
Q22
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
C147
100P
R188
*0
+
C586
470U_4V_7343
12
R194
124K
R168
10K
R208
*100K
D39
SCD 34
A C
J2
JOPEN
12
R171
220K
R163
100K
C111
4.7U_0805
R192
43K
+
C566
470U_4V_7343
12
Q29
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
Q24
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R175
0
Q30
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R189
95.3K
C112
0.1U_0805
R159
390K
C139
100P
+
C572
470U_4V_7343
12
Q41
*DT D114EK
C
E
B
Q25
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
C131
680P
R149
8.45K
Q42
*2N7002
G
DS
C121
4.7U_0805
C119
27P
Q37
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
C149
4.7U_0805
RTH1
100K/NTC
C115
680P
+
C563
22U_25V_OS10*5
12
L52
0.56uH
Q38
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R158
487K
R157
510K
R164 0_0805
R170
0
C498
0.1U_0805
Q23
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
L53
0.56uH
C145
0.00 47U_0805
C152
*0.1U
R160
*40.2K
C109
0.1 U
U8
ADP3419
1
2
3
4
5 6
7
8
9
10
IN
SD#
DRVLSD #
CROWBAR
VCC DRVL
GND
SW
DRVH
BST
R95
0
R152
2K
C151
10U_1206
C558
10U_1206
Q35
MMBT3906
B
E
C
R166
10K
D40
SCD 34
A C
R162
0
Q36
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
T4 26
R111
0
Q33
2N7002
GS
D
T428
T427
Q32
2N7002
GS
D
R167
10K
D27
1SS355
A C
D26
1SS355
A C
PM_DPRSLPVR into High,
When CPU Entry C3,C4.
FOR 35W LOW POWER CPU ( D VERSION )
D_STEP_CPU into High,
When CPU Entry C3,C4.
20A
20A
1-----LOW POWER TYPE
0-----STANDARD TPYE
35W CPU
Reserve For K8-M
Close to
output
Inductor
VCORE+ VCORE- Place trace 12 mils.
7/28 Change By
allen
94/11/16 Kevin Change
94/11/16 Kevin Change
94/11/17 Kevin DEL R169
94/11/17 Kevin DEL R96
Sheet 33 of 45
VCORE