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Panasonic SA-BT300PX Service Manual Page 98

Blu-ray disc home theater sound system.
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SCHEMATIC DIAGRAM - 30
B
MAIN CIRCUIT
: +B SIGNAL LINE
P1
+18V
A9V
AGND
WL_D5V
D5V
A5V
iPod_GND
VGND
DGND
GND
TO MAIN
SECTION (7/8)
A-7V
A+7V
K401
0
R7061
D7020
2.7K
D7021
D7038
CN7002
A
4
D12V
1
TO
DIGITAL(BP1 FEP)
DGND
2
CIRCUIT (P55003)
DGND
3
D5V
4
1
43
44
45
46
: -B SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
TO MAIN
SECTION (4/8)
D7033
MAZ8068GML
D7014
MA2J1110GL
D7023
D7024
D7022
MAZ8051GML
MA2J1110GL
MAZ8270GLL
R7005
5.6K
IC7003
C0DBZHG00047
QR7001
GND
NC
VOUT
ON/OFF VIN
VOLTAGE REGULATOR
D7015
B1GBCFGG0030
5
4
3
2
1
MA2J1110GL
DC DETECT
C7018
C7068
1
16V47
L7006
G0A200D00002
D7016
MA2J1110GL
L7007
D7035
MAZ8100GHL
R7062
2.7K
G0A200D00002
D7017
MA2J1110GL
R7063
2.7K
D7036
MAZ8068GML
L7009
G0A200D00002
D7018
MA2J1110GL
C7014
C7012
C7011
6.3V1000
6.3V330
6.3V330
Q7004
B1BCCG000002
D7019
POWER SUPPLY
MA2J1110GL
R7033
R7032
D7037
39K
27K
MAZ8100GHL
Q7005
B1ADCE000012
POWER CONTROL
R7009
2.7K
R7000
R7010
470
Q7006
B1BACG000048
Q7007
R7007
REGULATOR
Q7008
B1ABCF000176
B1ABCF000176
C7059
DC DETECT
1
DC DETECT
R7031
39K
C7021
10V100
L7012
G0A220GA0002
MA2J1110GL
MA2J1110GL
C7019
C7058
6.3V1000
1
MAZ8130GHL
L7013
G0A220GA0002
C7020
16V470
47
48
49
: iPod VIDEO INPUT SIGNAL LINE
D3R3V
DCDET
C7073
1200P
C7071
R7008
0.1
10K
D12V
C7076
R7023
0.015
2.2K
R7020
R7021
8.2K
39K
C7062
R7029
0.01
3.3K
R7014
22K
C7057
R7015
C7063
680P
R7002
1.5
Q7003
R7011
470
B1CHPD000003
REGULATOR
1
2
3
G
D
S
6
5
4
L7005
1.5
G0A200D00002
L7004
1.2K
G0A330ZA0028
C7075
C7002
R7022
16V220
6.3V1200
0.015
D7012
B0JCPG000005
C7079
0.1
-13V
50
51
52
98
: AUDIO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
IC7001
C0DBAYY00333
SWITCHING REGULATOR
CONTROLLER
C7053
0.1
1
CT
VREF
20
2
DT2
DT1
19
C7064
0.1
3
SS2
SS1
18
R7024
5.6K
4
INV2
INV1
17
R7018
C7072
3.3K
0.22
5
FB2
FB1
16
R7027
10K
6
GND
STB
15
R7016
22K
7
OCP2-
OCP1-
14
R7056
C7081
R7017
0.01
15K
1000P
15K
8
OCP2+ OCP1+
13
R7026
R7025
R7055
8.2K
82K
0
56K
9
C5V
VCC
12
R7030
10
OUT2
OUT1
11
2.7K
C7074
C7061
1
680P
LB7004
J0JBC0000041
1
2
3
Q7002
G
D
B1CHPD000003
REGULATOR
S
6
5
4
L7003
L7002
G0A330ZA0028
G0A200D00002
R7019
0.012
C7003
C7007
C7001
16V820
35V56
35V330
D7011
B0JCPG000005
1/8
2/8
3/8
4/8
5/8
6/8
7/8
8/8
SA-BT300PX MAIN CIRCUIT
53
54
55
I
J
K
L
M
N
+18V
O
P
56

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