Strong SRT8500 Service Manual page 31

6
DC/DC 3.3V
VCC5V
U151
PAM2312/SY8008
L151
4 3
IN SW
FB120R
0805
C155 C151
104 10uF
0805 1 5
EN FB
GND
D
R154 C154
[10]
POWER_ON/OFF
100R
104
DC/DC 1.2V (Core Power)
VCC5V
L131 FB120R
0805
C131
10uF
0805
IN BS
7
EN
U131
MP1482
8
SS
R135
[10]
GND COMP
POWER_ON/OFF
100R
C136 C132
C
104 104
DC/DC 1.8V (DDRII POWER)
VCC5V
U141
PAM2312/SY8008
L141
4 3
IN SW
FB120R
0805
C141
C145
10uF
104
0805 1 5
EN FB
GND
R141 C146
[10]
POWER_ON/OFF
100R
104
3.3V for Standby
B
VCC5V
U102
LM1117-3.3V
4
OUT
3 2
IN OUT
ADJ/GND
1
C105
104
12V
R171
C171 105
[10]
PWM
0R 0603
A
VCC5V
L171
C173 105
FB120R
0603
0603
C174
CE171
104
47uf/10v
5
5V Switch
VCC3_3V_PD
3.3V@600mA
L152
4.7uH/1A
C152 C153
R152
CE152
10uF
47K 1% 22P
0.6V 0805 100uf/16v
R153
10K 1%
C133 10nF Power control
VDDC1V2
1.3V@1.2A
L132 10uH/2A
3
SW
DIP 5*8
R132
5
FB
0.923V
20K 1%
R133 C135 CE132
C134 47K 1% 10uF
220uf/16v
47nF 0805
R134
10K
PD_CTRL
1V5D
[10]
PWM
LED & DRIVER IC
1.5V For DDR3
L142
4.7uH/1A
R142 C142
150K 1% 22P
0.6V
C143
CE142
10uF
100uf/16v
R143 0805
100K 1%
VCC3_3V_PM
C106 C107
CE107
10uF
104
100uf/16v
0805
C172 105
0603
D171 D172
BAV99 BAV99
VCC12V
C175 C176 CE172
104 47uf/25v
NC(10uF)
0805
4
VCC5V VCC5V_PD
L181 NC/FB120R
0805
Q181
DMP2225L
R183
10K
R184
1K
R182
Q182
[10]
POWER_ON/OFF
3904
10K
C181
E
104
VCC5V
R185 R187 R188
10K 10K 1K
[10]
POWER_ON/OFF
Q183
3904
E
R186
Q184
[3]
3904
10K
E
U101
SM1668
[10] 1 DI/O 24
FP_DAT_FRONT GRID1
[10] 2 CLK 23
FP_CL_FRONT GRID2
[10] 3 STB 22
FP_STB_FRONT GND
4 21
KEY0 KEY1 GRID3
5 20
KEY2
KEY1 GRID4
6 19
VDD
GRID5
7 18
SEG1/KS1
GRID6
8 17
R128 R129 SEG2/KS2 GRID7
9 SEG3/KS3 16
100K 100K SEG10/KS10
10 SEG4/KS4 15
SEG9/KS9
11 14
SEG5/KS5 SEG8/KS8
12 13
SEG6/KS6 SEG7/KS7
VCC5V
D121 IN4148
SMD1206
R101
CE122
NC
0805 100uf/16v
D122
11
[10]
[10] 12 A
U-1 DIG1 7 [10]
B
4 [10]
[10] 9 C 2
U-2 DIG2 [10]
D 1
[10]
[10] 8 E
U-3 DIG3 10
[10]
F
5
[10]
6
[10] G
3
U-4 DIG4 [10]
DP
ULF-2481N2G4 12PIN
IR101
[3,10] 3
IR
OUT
1
R103
VSS
4K7
VS
R102 33R
2
VCC5V
0805 HX1838-2160
POWER_KEY
C112 C111
10uF 104
0805
3 2
HISTORY OF MODIFICATIONS
REV.
1
2
Front Panel Connector
L121
CON121
CE121
1
2
3
4
5
6
6PIN 2.0MM
[3] R121
FP_STB
R122
[3]
FP_CLK
FP_DATA
[10]
U-1
[10]
U-2
[10]
U-3
[10]
U-4
U-5
POWER
LOCK
[10]
DP
[10]
G
[10]
F
[10]
E
[10]
D
[10]
[3]
C
[10] STATE
B
[10]
A
A
B
C
D
E
F
G
DP
Shenzhen Jiuzhou Electric CO.,LD
VCC3_3V_PM
DC/DC & FRONT PANNEL
DESCRIPTION
DOC.NO.:
R104
4K7
SCH P/N:
SW101
PCB P/N:
[3] 1 2
THIS DOCUMENT IS THE PROPERTY OF Shenzhen
3 4
Jiuzhou Electric CO.,LD. THE CONTENTS OF THIS
DOCUMENT ARECONFIDENTIAL AND CONTSTITUTE
POWER
TRADE SECERTSPROPRIETARY TO Shenzhen Jiuzhou
Electric CO.,LD.
NEITHER THIS DOCUMENT NOR ITS CONTENTS SHALL
BE DISCLOSED TO ANY UNAUTHORIZED PERSON.
COPIED OR PUBLISHED WITHOUT Shenzhen Jiuzhou
Electric CO.,LD.'S PRIOR WRITTEN
COPYRIGHT C 2011 Shenzhen Jiuzhou Electric CO.,LD
1
CHECK.BY APP.BY DATE
101T
VCC5V
0805
100uf/16v
D
L122 600R
[3,10]
IR
L123 600R
[10]
FP_CL_FRONT
L124 600R [10]
FP_DAT_FRONT
L125 600R
[10]
FP_STB_FRONT
VCC5V
R123 R124
10K
10K
[10]
FP_CL_FRONT
10K [10]
FP_STB_FRONT
Q121 Q122
10K
3904 3904
C
E E
VCC3_3V_PM VCC5V
R125 R126 R127
4K7 100R 4K7
Q123
BS870
[3] [10]
FP_DAT_FRONT
VCC3_3V_PM
B
R193 NC(330R)
R191
Q191
3904
1K
E
R195
VCC3_3V_PM
1K
R194 330R
D191
RED
E
R192
Q192
3906
B
1K
C R196 GREEN
220R
A
MODEL NO.:
PROJECT CODE:
DOC. REV.: V1.1
SIGN
DESIGNED BY: Xuewei 2011-12-19
DATE
SIGN
DRAWN BY:
DATE
SIGN
CHECKED BY:
DATE
SIGN
APPROVED BY:
DATE
CONSENT.
SIZE: A2 SHEET: 10 OF 11