Philips BDP2980/05, Service Manual, Page: 12 / 25

E
低功耗 LDO/ 空载 100UA/ 工作 300MA
close to LDO
close to DC/DC
STBY
3.3V
POWER
100MA(Max)
VCC R/R to Q3.b
5.000V 0.772V
4.532V 0.700V
3.885V 0.600V
3.237V 0.500V
Select drop off quickly
standby power net
close to IC
RESET CIRCUIT
Resistor value can tune
for best power sequence;
put FB6
nearby
Motor
Driver
VCC_1 SWITCH
G
D S
3.3V OPTION2# CIRCUIT
DC_EN
DC_EN
VCC_32014805
DC_EN
OPWRSB
DC_EN
RESET_
VCC_1
POWER_EN
OPWRSB
OPWRSB#
POWER_EN
OPWRSB#
3.3V
VCC
3.3V_STBY
VCC
VCC
1.5V
P2_GND
P2_GND
VCC
1.2V
VCC
3.3V_STBY
VCC_1
MVCC_T
VCC
M M
3.3V_STBY
3.3V_STBY
3.3V_STBY
3.3V
M
VCC
OPWRSB [6]
RESET_ [6]
DC_EN [4]
R101
10K R101
10K
R24
10K R24
10K
C215
0.1uF/10V
C215
0.1uF/10V
Q5
SST3904/NC
Q5
SST3904/NC
1
3
2
C145
10uF/6.3V
C0805/SMD C145
10uF/6.3V
C0805/SMD
R1390
10K/NC
R1390
10K/NC
C10 NC C10 NC
Q8 2307/NC
SOT23/SMD
Q8 2307/NC
SOT23/SMD
1
2 3
R103
2.74K_1% R103
2.74K_1%
C1
1
10uF/10V/X5R
C1
1
10uF/10V/X5R
R99 100 R99 100
R
5
1
10K/N
C
R
5
1
10K/N
C
C843
1uF/25V/NC
C843
1uF/25V/NC
C2
10uF/10V/X5R
C2
10uF/10V/X5R
C236
10uF/10V/X5R
C236
10uF/10V/X5R
R23
1K/NC
R23
1K/NC
U4
G5725ADJT11U
U4
G5725ADJT11U
EN
1
GND
2
LX
3
VIN
4
FB
5
C25
22uF/6.3V/X5R/NC C25
22uF/6.3V/X5R/NC
Q2
(PMOS)SI2307/NC
Q2
(PMOS)SI2307/NC
U5
AT1526P11U
U5
AT1526P11U
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
R32
10K/NC
R32
10K/NC
R181
10K_1%
R181
10K_1%
Q4
SST3904/NC Q4
SST3904/NC
1
3
2
C845
2.2uF/NC
C845
2.2uF/NC
R855 0R R855 0R
Q13
2N3904 Q13
2N3904 1
3
2
U17
LM1117S-3.3V
U17
LM1117S-3.3V
AD
J
1
IN
3
OUT
2
OUT1
4
R180
30K_1% R180
30K_1%
R3
10/0603
R3
10/0603
C30
0.1uF/10V/NC
C30
0.1uF/10V/NC
FB6
BLM18P
ASD/L_0805
FB6
BLM18P
ASD/L_0805
R5
15K/1% R5
15K/1%
R140 1K/NC R140 1K/NC
C7
0.1uF C7
0.1uF
Q12
2N3904 Q12
2N3904 1
3
2
C4
0.1uF
C4
0.1uF
R853 NC R853 NC
R179
10K
R179
10K
C5
0.1uF
C5
0.1uF
+ CE11
100uF/6.3v/NC
+ CE11
100uF/6.3v/NC
C2
1
4
0.1uF/10V
C2
1
4
0.1uF/10V
C144
0.1uF/6.3V C144
0.1uF/6.3V
R1388 0R/0805 R1388 0R/0805
+ CE3
220uF/6.3V + CE3
220uF/6.3V
1
2
CE9
0.1uF
CE9
0.1uF
R102
15K_1% R102
15K_1% R98
3.3K R98
3.3K
+ CE10
220uF/6.3V + CE10
220uF/6.3V
1
2
R6
0R/NC
R6
0R/NC
C8
0.1uF
C8
0.1uF
C168
0.1uF/6.3V C168
0.1uF/6.3V
CE4
10uF/10V/X5R
CE4
10uF/10V/X5R
R1
10K/1%
R1
10K/1%
C235
10uF/10V/X5R
C235
10uF/10V/X5R
C1
10uF/10V/X5R
C1
10uF/10V/X5R
L1
2.2uH/1.5A
L1
2.2uH/1.5A
C3 10uF/10V/X5R C3 10uF/10V/X5R
C288 NC C288 NC
R1387
47K/NC
R1387
47K/NC
U18
uP7706U8
U18
uP7706U8
POK
1
EN
2
VIN
3
CNT
L
4
NC
5
VOUT
6
FB
7
GND
8
GND
9
R26
1K R26
1K
NC23
NC PAD 0603 NC23
NC PAD 0603
R49 1K/NC R49 1K/NC
C26
22uF/6.3V/X5R/NC C26
22uF/6.3V/X5R/NC
Q31
SST3904/NC Q31
SST3904/NC
1
3
2
C842
10uF/10V C842
10uF/10V
R4
7.5K/1%
R4
7.5K/1%
L7
2.2uH/2.5A
L7
2.2uH/2.5A
R52
10K/NC
R52
10K/NC
R2 15K/1% R2 15K/1%
R182
1.25K_1% R182
1.25K_1%
C93
1uF/NC
C93
1uF/NC
C3
4
10uF/610V/X5R ASD/C_0805
C3
4
10uF/610V/X5R ASD/C_0805
Q6
SST3904 Q6
SST3904
1
3
2
C202
4.7uF/10V
C202
4.7uF/10V
MAIN BOARD FOR POWER
7-1