Panasonic SV-SW31VGC, Service Manual

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A
B
C
D
E
F
G
H
16
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
IC102
C0DBAAE00040
D.D.CONVERT
LBLDO FB OUT GND
TRACK REF
LBN LBP
LDO LBO
CLK/SEL
PGND
XL
ONB ONA
POUT
9
10
11
12
13
14
15
16
8 7
6
5 4 3 2 1
32
29
25
17
19 20
IC101
C1BB00000836
FM TUNER
LGAIN
AGND
VCCA
RFI1
RFGND
RFI2
TAGC
LO0PSW
CPOUT VCOT
ANK1
Vcc(VCO) VCOT
ANK2
OGND
DA
T
A
VccO
CLOCK
BUSMODE
BUSENABLE
SWPORT1
SWPORT2
XTAL1
XTAL2
PHASEFIL
PILFIL
V
AFL
V
AFR
TMUTE
MPXO
V
ref
TIFC
LIMDEC1 LIMDEC2
20
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
24
21
22
23
2
1
3
4
5
6
X101
13MHz
C122
10P
C101
0.001
C119
0.022
C120
0.022
R125
33K
C113
0.22
C112
0.22
C114 0.047
C115
C116 C117
0.047
0.047
0.033 0.033
C118
AAA
SIZE(LR03,AM-4)
BA
TTER
Y
ICP101
R124
18K
L105
C125
C126
27P
47P
C121
0.022
C127
0.0047
R127
10K
C128
0.047
C131
0.01
R129
0
0
C123 4V47
D101
D102
L107
L106
C129 0.022
C130
0.022
Q104
UNR921MJOL
Normal/City Switch
C124 0.022
L104
ER
Y32SB075V
C110
0.01
C109
10P
L103
C134
0.33
R133
56K
L101
C108
6.3V10
C144
0.01
R102
143K
R114
100K
R103 100K
R136
100K
100K
R137
C137
0.33 C105
4V22
10
1 2 3 4 5
6 7 8 9
EN
COMP
FB GND Vout
VBAT SW ADEN LBI LBO
IC103
C0DBAGC00022
D.D.CONVERT
C106
0.1
R112 499K
C107 25V68
R113
100K
R117
20K
R119 402K
R118 80.6K
S102
MODE
R120
20K
R121
80.6K
R116
100K
(VOL+)
(VOL-)
S104
S103
R115
100K
SUB CIRCUIT
B
:POSITIVE VOLTAGE LINE : AUDIO(DIGITAL) SIGNAL LINE : AUDIO(ANALOG) SIGNAL LINE
1
2 3
4 5 6
18 23 22 21 24
27
26
28
30
31
SV-SW31V(GC/GK) SUB CIRCUIT DIAGRAM
Schematic diagram-1
R126
0
VCC3V
VCC-BATT
R111 1.2M
VCC-2V5
PWR-OFF
VCC-BATT
VCC-3V
VCC-2V5
VCC-1V7
TUN-BUS-EN
IIC-MST-SDA
IIC-MST-SCL
TUN-AUDIO-L
TUN-AUDIO-R
KEY1
KEY2
KEY3
FM-MODE
CN101
C102
0.33
R134
10
D103
C135
0.1
C136
0.1
C103
4V100
R105 100K
R107 100K
R104
270K
VCC-BA
TT
Q106
UN9216JTX
Q105
R131
100K
R132
100K
B1ABMB000003
Power Switch
VCC-2V5
C141 4V47
C142
0.01
R141
100K
Q108
B1ABCF000020
Power Switch
Q107
R140
10K
R139 100K
UN5116RTX
Power Switch
R101
10
R142
VCC-3V
R138
22
R135
22
R130
680
C133
22P
VCC-1V7
0.58 2.59 2.59 2.59 0
2.59 2.96
2.96
0
2.98
0.02
0.02
1.62
1.35
0.5
0.69
0.70 1.44 1.52 1.4 1.88 1.88
0.54
0
2.59
1.05
0
1.05
0.81
2.57
2.49
0.36
0.49 0 1.7
1.46
1.45
0.46
3.0
1.24 1.24 0 0 3.0 1.23 1.38
2.49
2.49 3.0
0
1.44
2.98 2.99 3.0
MA2Z74800L
B0CCAA000001
R128 100K
0V
0.67V
2.26V
2.69V
2.79V
0.46V
0.46V
0.65V
0V
2.96V 2.96V
2.26V
0V
0V
1.07V
Power Switch
3
1
V
OUT
VIN
Vss
2
3
IC104
C0CBAAE00040
Regulate voltage
at 2.8V
D104
DCC010TX
R143
390K
0V
3V
2.8V
C145
10V4.7
S101
PLAY/STOP
KEY1
S105
FF
2.75V
1.65V
S106 REW
0.55V
KEY2
KEY3
C140
100P
TUN_ANT
C146 0.022
B0CCAA000001