Panasonic SA-BT300PX Service Manual page 98

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