A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
MAIN POWER REG
A0
POWER CONN
BBKAV Corporation
A4
8
12
Wednesday, June 01, 2005
Title
Size
Document Number
Rev
Date:
Sheet
of
DV33
GND_AIN
VCC_AOUT_A
V25
V33_AIN_A
V18
VCC
VCC_VOUT_A
GND_AOUT
2_5V
DV33
VCC
V33
V33
GND_VOUT
L7
B221
L8
*FB
+
C189
220u/16
U13
LT1117-3.3
3
1
2
VIN
ADJ
VOUT
U14
PQ025EZ01
1
5
3
2
4
VIN
GND
VOUT
VC
ADJ
R169
*2.2K
C183
104
C184
104
+
C185
330u/16
R172
*1K
R173
*1K
+
C197
330u/16
+
C181
100u/16
C192
104
+
C182
100u/16
R168
*1K
+
C199
220u/16
C194
103
L9
B221
+
C196
10u/16
R171
0
C186
104
C198
104
C188
104
C195
104
+
C191
47u/16
L6
B221
+
C187
220u/16
C193
104
U12
PQ018EZ02/PQ070XZ02
1
5
3
2
4
VIN
GND
VOUT
VC
ADJ
R170
*1K
C190
104
C200
104
31
Summary of Contents for DW9951S
Page 1: ...SERVICE MANUAL DW9951S R Ver 0 0 ...
Page 3: ...1 ...
Page 4: ...2 ...
Page 5: ...3 ...
Page 6: ...BLOCK DIAGRAM 4 ...
Page 7: ...5 EXPLODED VIEW ...
Page 15: ...14 13 ...
Page 16: ...15 14 ...
Page 17: ...16 15 ...
Page 18: ...17 IS2 16 ...
Page 24: ...22 ...
Page 26: ...11 Terminal for External Connection Outline Drawing 24 ...
Page 38: ...36 ...
Page 39: ...37 ...
Page 40: ...38 ...
Page 41: ...39 ...
Page 50: ...48 ...
Page 51: ...49 ...
Page 52: ...50 ...
Page 53: ...51 ...
Page 55: ...53 ...
Page 56: ...54 ...
Page 57: ...55 ...
Page 58: ...56 ...
Page 60: ...58 ...
Page 61: ...59 ...
Page 73: ...BBK ELECTRONICS CORP LTD 23 Bubugao Road Wusha Chang an Dongguan China http www gdbbk com ...