BBK LT2619SU Service Manual page 49

5
Vcc3.3for MST9E19A analog
5Vstb
L6 L6
BLM31PG121SN1 BLM31PG121SN1
D
C11 C11
0.1uF 0.1uF
+3.3AVDD for
AVDD_HDMI
+3.3Vstb AVDD_HDMI pin6,pin12
L8 L8 BLM18PG181SN1 BLM18PG181SN1
C17 C17 C18 C18 C19 C19
2.2uF 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF
+3.3AVDD for
AVDDA
+3.3Vstb L10 L10 AVDDA
BLM18PG181SN1 BLM18PG181SN1 pin36 +3.3AVDD
for AVDD_SIF
C C23 C23 C24 C24
2.2uF 2.2uF 0.1uF 0.1uF
3.3V for
AVDDPLL2
+3.3Vstb L12 L12 AVDD_MemPLL
BLM18PG181SN1 BLM18PG181SN1
C27 C27 C28 C28
2.2uF 2.2uF 0.1uF 0.1uF
Vcc3.3for MST9E19A
Digital
+3.3Vstb VDDP
L14 L14 BLM31PG121SN1 BLM31PG121SN1
B
CA12 CA12 C34 C34 C35 C35 C36 C36 C37 C37
+ +
47uF/16V 47uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
A
5
4
N5 N5
AMS1117-3.3 AMS1117-3.3
5Vstb
+3.3Vstb
CA6 CA6 C12 C12 CA7 CA7
+ + + +
47uF/16V 47uF/16V 0.1uF 0.1uF 47uF/16V 47uF/16V
+3.3AVDD for
AVDD_AU
+3.3Vstb
AVDD_AU
L9 L9 BLM18PG181SN1 BLM18PG181SN1
C20 C20 C21 C21 C22 C22
2.2uF 2.2uF 0.1uF 0.1uF 2.2uF 2.2uF
+3.3Vstb AVDD_SIF
L11 L11 BLM18PG181SN1 BLM18PG181SN1
C25 C25 C26 C26
2.2uF 2.2uF 0.1uF 0.1uF
+3.3V for
VDD_MPLL
VDD_MPLL
+3.3Vstb
L13 L13 BLM18PG181SN1 BLM18PG181SN1
C29 C29 C30 C30 C31 C31
2.2uF 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF
VDDC for MST9E19A Core
C44 C44 C45 C45
C38 C38 C39 C39 C40 C40 C41 C41 C42 C42 C43 C43
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
4
3
0.81*(1+Rup/Rdown)=1.8V---Rup=10K, Rdown=8.2K
Vcc1.2 for MST9E19B
R25 10K R25 10K
FB FB
L7 L7
L38 L38
U6 U6 3.3uH 3.3uH
AOZ1041 AOZ1041
1 8 2 1
PGND LX2
2 7
VIN LX1
3 6
AGND EN
4 5
FB COMP
R23 R23 3K 3K
CA10 CA10
+ + C14 C14
47uF 47uF 0.1uF 0.1uF
C96 C96
C95 C95
R83 R83
0.1uF 0.1uF
3.9K 3.9K 0.1uF 0.1uF C13 C13
0.1uF 0.1uF
EMC201 EMC201
1
1
2
2
3
3
4
4
5
5
6
6
CON6 CON6
VDDC
C46 C46 C47 C47 C48 C48 C49 C49
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
3
2
VDDC
R24 R24
3.9K 3.9K
C32 C32
+ +
0.1uF 0.1uF C15 C15
CA9 CA9 C16 C16 0.1uF 0.1uF
47uF 47uF 0.1uF 0.1uF
R26 R26
3K 3K
Title Title Title Title Title Title
Size Size Size Size Size Size
Date: Date: Date: Date: Date: Date:
2
1
深圳市高新区南区科技南十路国际技术创新研究院C座4楼 深圳市高新区南区科技南十路国际技术创新研究院C座4楼 深圳市高新区南区科技南十路国际技术创新研究院C座4楼
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power power power
<Title> <Title> <Title>
Document Number Document Number Document Number Document Number Document Number Document Number
A3 A3 A3 A3 A3 A3 <Doc> <Doc> <Doc>
MST9E19A MST9E19A MST9E19A
Saturday, July 12, 2008 Saturday, July 12, 2008 Saturday, July 12, 2008 Saturday, July 12, 2008 Saturday, July 12, 2008 Saturday, July 12, 2008 Sheet Sheet Sheet Sheet Sheet Sheet 2 2 2 of of of of of of 19 19 19
1
D
C
B
A
Rev Rev Rev Rev Rev Rev
2.0 2.0 2.0