Philips ARG300/77, Service Manual, Page: 11 / 16

4 - 1 4 - 1
CIRCUIT DIAGRAM -MAIN + KEY BOARD PART1
3.3V
2.45V
1.9V
1.35V
0V
Volt
LCD 16k EEPROM
LCD 32k EEPROM
LED 32k EEPROM
Pin 6
Mode: Pin 7
LED 16k EEPROM
Slave
Sony KSS-213CL
Richly R801
Sanyo DA11VF
Sony KSS-900AAA
0V
1.2V
2V
3.3V
R8 R17
Open 15k
27k 15k
10k 15k
10k Open
PUH SEL Volt
Pull Down
Pull Up
Pull Down
Pull Up
Pin 40
Pin 32
USB Disable
USB Enable
SD Disable
SD Enable
8. Add R49 2.2k ohm
7. Add R20 10k ohm
6. Change R18 to open, R19 to 10k
5. R123 change to 8.2k ohm
4. Add R10: 4.7k ohm
3. Pin 7 LCD/LED/Slave/Standalone SEL
2. Pin 8 add USB power control
1. R16 change to 91
PLAY/PAUSE
STOP
DOWN/FR
UP/FF
FD- UP
FD- DOWN
PLAY MODe
PROG
Slave/Standalone SEL
PUH SEL
LCD/LED SEL
As near as possible
As near as possible
As near as possible
As near as possible
CLOSE
OPEN
SYNC-REC
C2xx uses condensor type
Ju
m
pe
r
to
c
on
ne
ct
P
ow
er
GND
(
NE
T5
)
D
VS
S(
G
N
D
)
fo
r
D
AC
p
at
te
rn
SLT-
SLT+
FM+
FM-
DM-
DM+
TR-
TR+
FC-
FC+
VR
Vcc
Vc
F
B
D
A
GND
LD
E
C
PD
888 CARD USB DISC
MP3
REPEAT
RANDOM
REPEAT REPEAT REPEAT PROGRAM
1 2 3 4 5 6 7 8 9 10 11 12
LCD301
1
2
3
4
S405
PALY
1
2
3
4
S406
STOP
1
2
3
4
S407
DOWN/FR
1
2
3
4
S404
UP-FF
1
2
3
4
S401
FD-UP
1
2
3
4
S402
FD-DOWN
1
2
3
4
S408
MODE
C401
100p
R401
2k
R407
2.
2k
R402
2.
7k
R403
3.
9k
R404
6.
8k
R405
12k
R406
27k
1
2
3
4
S403
PROG
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
CN
40
1
1 2
3
Q
30
3
2S
A1
01
5G
R
L301 10uH
1
2
3
4
5
6
CN302
R318
10
C3
17
47
00
0p
C3
06
47
00
0p
C3
63
10
00
u/
10
C3
22
0.
1u
C3
62
10
0u
/6
.3
R
31
5
8.
2k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN301
CFF5116
C3
04
47
0p
C3
03
0.
1u
1
O
T-
1A
2
O
T-
1B
3
IN
-1
A
4
N
C1
5
TR
B
6
RE
G
-O
7
N
C2
8
G
N
D
9
N
C3
10
IN
-2
A
11
O
T-
2B
12
O
T-
2A
13
G
N
D
1
14
N
C4
15
N
C5
16
N
C6
17
O
T-3
A
18
O
T-3
B
19
IN
-3
A
20
N
C7
21
VC
C1
22
VC
C2
23
BI
AS
24
N
C8
25
IN
-4
A
26
O
T-4
A
27
O
T-4
B
28
G
N
D
2
29
G
N
D
-P
2
30
G
N
D
-P
1
U302
MM1669XH/D9258
C302
470p
X3
01
16
.9
34
4M
H
z
C301
15p
C325
15p
1
FM
O
2
D
M
O
3
P1
-0
/A
D
IN
1
4
P1
-1
/A
D
IN
2
5
P1
-2
/A
D
IN
3
6
P1
-3
/A
D
IN
4
7
P2
-0
/A
D
IN
5
8
PI
N
2-
1/A
D
IN
6
9
VR
EG
10
P3
-0
/M
X0
11
P3
-1
/M
XI
12
VD
D
3
13
VS
S
14
VS
SP
3
15
VC
O
I
16
VD
D
P3
17
P3
-2
/O
SC
IN
18
R
ES
ET
N
19
VD
D
1
20
VS
S
21
D
VS
S3
22
LO
23
D
VR
24
R
O
25
D
VD
D
3
26
XVSS1
27
XI
28
XO
29
XVDD1
30
P4-0/DCK/SI1
31
P4-1/RSD/SO1
32
R4-2/RCK/SCK1
33
R4-3/SCK2/SCL
34
R5-0/SO2/SDA
35
P5-1/SI2/INTR3
36
VSS
37
VDD1
38
P6-0/S16/S20
39
P6-1/S15/S19
40
P6-2/S14/S18
41
P6-3/S13/S17
42
P7-0/S12/S16
43
P7-1/S11/S15
44
P7-2/S10/S14
45
P7-3/S9/S13
46
P8-0/S8/S12
47
P8-1/S7/S11
48
P8-2/S6/S10
49
P8-3/S5/S9
50
VDD3
51
P9-
0/
S4/
S8
52
P9-
1/
S3/
S7
53
P9-
2/
S2/
S6
54
P9-
3/
S1/
S5
55
P10-
0/
CO
M
8/
S4
56
P10-
1/
CO
M
7/
S3
57
P10-
2/
CO
M
6/
S2
58
P10-
3/
CO
M
5/
S1
59
P11-
0/
CO
M
4
60
P11-
1/
CO
M
3
61
P11-
2/
CO
M
2
62
P11-
3/
CO
M
1
63
VD
D
M
1
64
#
HO
LD
N
65
VS
S
66
VD
D
1
67
PD
O
68
TM
AX
69
LP
FN
70
LP
FO
71
PV
R
EF
72
VC
O
F
73
R
VD
D
3
74
SL
CO
75
R
FI
76
RFRPI
77
RFGO
78
AGCI
79
RFO
80
EQSET
81
RVSS3
82
FNI2
83
FNI1
84
FPI2
85
FPI1
86
TPI
87
TNI
88
VRO
89
MDI
90
LDO
91
AVSS3
92
RFZI
93
RFRP
94
SBAD/RFDC/FTE
95
FEI
96
TEI
97
TEZI
98
AVDD3
99
FOO
100
TRO
IC301
TC94A77FG-203
3 I 2
O
1
G
U301
LM1117-3.3V
C3
56 22
0U
C3
24
0.
1u
C358
100u
/1
6
C3
35
0.
1u
C3
05
0.
1u
C3
57
10
0u
/1
6
C3
09
0.
1u
C3
20
0.
1u
NET302
NET306
NET305
NET304
R
32
5
9K
1
R
32
6
9K
1
C353 3.3u/50
C352
3.3u/50
C3
19
10
2
C318
102
R330 7k5
R331
7k5
1 2
3
Q301
2SB1457
R
33
3
33
C364
100u/16
C316
0.1u
C315
0.1u
C3
14
47
00
p
C3
11
0.
1u
C3
10
0.
1u
C3
21
0.
1u
C3
08
0.
1u
C3
43
0.
1u
C341
0.1u
R
31
4
22
0
C3
40
0.
1u
C3
38
22
00
p
C3
37
0.
1u
C3
50
22
u/
16
C354
47u
/1
6
C334
0.1u
C336
0.1u
R321 330k
R322 5.6k
R323 47k
R324 15k C333 15000p
C332 47p
C3
31
0.
1u
C330
0.1u
C328 33p
C327
0.1u
C326
0.1u
C349 4700p
C348 10000p
C351 47u/16
R307 0 C347 10p
C307 33000p
C344 33000p
C3
45
0.
1u
C3
46
0.
1u
R
30
8
3
1
2
CN303
(ON-ON)
R
30
3
10
0k
R302 22k
R
30
1
22
k
C3
29
10
00
p
JP
30
3
JP
30
2
JP
30
1
NET303
1
A0
2
A1
3
A2
4
G
N
D
5
SD
A
6
SC
L
7
W
P
8
VC
C
IC
30
2
AT24C32
C3
23
0.
1u
R
31
9
10
k
C3
61
10
u/
50
JP304
C339 0.1u
1
2
C355 100u/16
C3
59
10
0u
/1
6
C342 10000p
R
31
2
D
30
1
1S
15
88
R
31
0
10
k
R
30
4
10
k
R309
91
C3
12
15
00
0p
C3
13
15
00
0p
R337 15k
R336 10K
1
2
3
4
5
6
NC
1
P3
01
R
30
6
O
pe
n
R
32
9
10
K
R311 10k
R320 27k
R
30
5
0
R
31
3
10
K
R328
220
R
33
2
27
k
R334
0
R335
0
Q302
R
31
6
82
0
R317 2k2
NET301
R
33
9
22
k
R
33
8
1k
R
32
7
1k
R
34
0
4k
7
C300
10u/50
Q300
9014C
R
34
8
10
k
R
34
9
22
K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CN
30
5
C3
65
10
4
C3
66
10
4
C360
220U/16V
MUTE
KEY
GND
KEY
OT-3B
OT-3A
OT-2A
OT-2B
O
T-
1A
O
T-
1B
FO
O
D
M
O
O
T-
2B
O
T-
2A
O
T-
3A TR
O
O
T-
4A
O
T-
3B FM
O
VR
O
SL
T+
SL
T
SL
T-
O
T-
4B
FM
O
FO
O
R
ES
ET
N
MUTE
SLT+
BUCK
BUS3
MDI
R
ES
ET
N
AD
IN
3
D
M
O
OT-1A
OT-4B
OT-4A
OT-1B
LD
TPI
FNI2
FPI1
FNI1
FPI2
TNI
VRO
FNI2
FNI1
FPI2
FPI1
TPI
TNI
VRO
MDI
VR
O
VRO
TRO
VRO
VR
O
GND
GND
D
3.
3V
GND_D
GNDF
GND_D
GND_D
GNDA
GNDA
GNDF
GNDA
GNDA
GNDA
GNDA
GNDX
D
1.
5V
GNDA
GND_D
D3.3V
GND_D
D3.3V
GNDF
GNDF
D3.3V
GNDF
G
N
D
G
N
D
_D
GND
GNDA
GNDA
A3
.3
V
GNDX
D1.5V
D1.5V
GND
D3.3V
GND
D
1.
5V
GNDA
G
N
D
GND
GND_D
GND
GND_D
GNDA
G
N
D
A
GNDA
GNDA
GNDA
GNDF
GNDX
GND
GND_D
GNDA
GNDF
8V
A3
.3
V
A3.3V
A3
.3
V
A3.3V
A3
.3
V
D
1.
5V
D
1.
5V
8V
8V
8V
D
3.
3V
D
3.
3V
D
3.
3V
D
3.
3V
D
3.
3V
LD
SL
T-
AD
IN
3
BUS3
BUCK
RO
AGND
LO
8V
M
U
TE
KEY0
KEY1
KEY0