Philips EXP221 Service Manual page 16

5-2
CIRCUIT DIAGRAM - PART 2
2V8
L2 2.2uH
Q2 2SD2153 or PBSS4140T
2V8
R30
MOTOR2 75K
MOTOR2
SL
R31 100K
SL
FO R32 75K
FO
RA
R33 100K
RA
DSP_PLAY
D3 2V8
R34
BAV70 1K
PLAY
DR_MUTE
IC4
A[1:22]
29LV400TC-90
A1
25 29
A0 IO0
A2
24 31
A1 IO1
A3
23 33
A2 IO2
A4
22 35
A3 IO3
A5
21 38
A4 IO4
A6
20 40
A5 IO5
A7
19 42
A6 IO6
A8
18 44
A7 IO7
A9
8 30
A8 IO8
A10
7 32
A9 IO9
A11
6 34
A10 IO10
A12
5 36
A11 IO11
A13
4 39
A12 IO12
A14
3 41
A13 IO13
A15
2 43
A14 IO14
A16
1 45
A15 IO15/A1
A17 48
A16
A18
17 37
A17 VCC
A19
16 13
A18 VPP
9 47
NC BYTE
14 15
NC RDY/BUSY
10 12
NC RESET
FLASH_CS0
26
FLASH_CS0
CE
OEB
28 46
OEB
OE GND
RW
11 27
RW WE GND
DSP_VCC
VDD_FLASH
FB1
C36 C37 C38
10uF
0.1uF 1N
C9 0.1uF L1 100uH+6uH
BATT+
6uH 100uH
V28
C10
47P C11 0.1uF
R22 100R
Q3
2SD2153 or PBSS4140T C16 1nF R23 20K
C17 3N3 R24 18K
2V8
BATT+
REGB
BATT+
DCIN
R26 L3 330uH
R26 isn't populate 4K7
1
POWER_KEY start
2
POWER_OFF
off
OUT1- MOT-
7 24
in1 out1-
MOT+
8 25
in2 out1+
SLE+
10 23
in4 out2+
9 22 SLE-
in3 out2-
HOME_SW
GND
16
pgnd1
26
pgnd2
34
pgnd3
IC3 FOCUS-
33 17
gnd out4- FOCUS-
BH6575FV 18 FOCUS+
out4+ FOCUS+
TRACK-
11 20
TRACK-
vref out3+
12 19 TRACK+
fil1 out3- TRACK+
13
fil2
14
fil3
BATT+
15 21
fil4 pvcc
6v
C28 C23 22n 27 36
sprt vg
10uF C24 22n
28
soft
C25 22n
C26 22n
C35
470pF
DR_MUTE
/RESET
R37 10K
C113
4.7uF
D[16:31]
IC5 TM50S116T-75
D16 D16
2
I/O0
D17 D17
3
I/O1
D18 D18
5
I/O2
D19 D19
6
I/O3
D20 D20
8
I/O4
D21 D21
9
I/O5
D22 D22
11
I/O6
D23 D23
12
I/O7
D24 D24
39
I/O8
D25 D25
40
I/O9
D26 D26
42
I/O10
D27 D27
43
I/O11
D28 D28
45
I/O12
D29 D29
46
I/O13
D30 D30
48
I/O14
D31 D31
49
I/O15
VDD_FLASH
33
NC
SDLDQM
14
SDLDQM LDQM
SDWE
15
SDWE WE
SDCAS
16
SDCAS CAS
SDRAS
17
SDRAS RAS
SDRAM_CS1
18
SDRAM_CS1 CS
BCLKE
34
BCLKE CKE
BCLK
35
BCLK CLK
SDUDQM
36
SDUDQM UDQM
DSP_VCC
VDD_SDRAM
FB2
C40 C41 C42 C43
C39 10N 10N 10N 10N
220uF
D2 MBR0520 or PRLL5817
MOT- OUT1-
Q4 BC807-40
R29
1K
J1
V3
CON6
1
DC_IN > 4.5V
2
5
2
6
3
4
3
1
HOME_SW
HOME_SW
SE_RESET ESD
SE_RESET
D11 is not populate
TO DSP
A[1:22]
2V8
Note:added
A16
21
A0
A15
22
A1
A14
23
A2
A13
24
A3
A12
27
A4
A11
28
A5
A10
29
A6
A9
30
A7
A17
31
A8
A18
32
A9
A19
20 1
A10
A20
19
2
A11
SDA0
3
SDA0
VDD_SDRAM SCL0
1
4
VCC
SCL0
25
VCC
7
VCCQ
13
VCCQ
38
VCCQ
44
VCCQ
37
NC
26
GND
50
GND
4
GNDQ
10
GNDQ
41
GNDQ
47
GNDQ
C44 C45 C46
10N 10N 0.1uF
5-2
FB3
0805
R88 4R7
D11 Q5 BC817-40
REGB
Q6 BC817-40
DCIN
C66 C67
0.1uF 0.1uF
Q7 2SB1132R
R50 15K
D6 is not populate
R53
2V8
2V8
10R R10
IC2 XA019
8
VSS VDD
line
7
XIN ADC0
6 front
KEY1
P1.1 ADC1
5
P1.2 ADC2
R17 470R
POWER_ON
BATT+
BATT+
+
1.5v*2(AA)
BAT1
C69
0.1uF
VDD_1V8
Q8 PBSS4140T
VDD_1V8
BATT+
270R
U1
AP431L or AP432R
BATT+
BATT+
R15
100K
BATT_DE
R16
100K