Main/D-Amp Circuit - Panasonic SCXH70 Service Manual

17.2. Main/D-Amp Circuit

1 2 3
SCHEMATIC DIAGRAM - 6
A
B
MAIN/D-AMP CIRCUIT
B
JK51
G3
G2
FM ANT
VA51 LB51
G1 J0JBC0000032
EZAEG2A50AX
C
D
JK100
[LCH]
3
C101
100P
AUX
[RCH]
2
C102
100P
1
E
C2010
25V100 B0BC5R6A0266
F
R2012
2.7K
R2010
22 B1ADCE000012
L428
G0A200D00002
G
TO MAIN/D-AMP
SECTION (4/6)
H
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : AUX/MUSIC PORT AUDIO INPUT SIGNAL LINE
R59
2.2K
C58
22P
IC52
T1 20 19 18 17 16 C57
C1AB00003204 X51
22P
H0A327200097
C51 L51 FM RADIO RECEIVER
1 15
1000P G1CR18JA0020 NC
DOUT
2 14
FMI LOUT
3 RFGND THERMAL ROUT 13
PAD
4 GND 12
AMI
R63
0 5 VDD 11
RST
C61
6 7 8 9 10
0.1
R64
R53 R54
0 4.7K 4.7K R55
220
R56
220
R57
1K
C62
0.1
R101
4.7K
R102
4.7K
R3107
5.6K
MPORT-LCH
R3108
10K
-5V
C3106 C3105 C3108 C3104
330P 1000P 0.1
100
D106
SW5V
TUN-LCH
R3209
5 6 7 8 47 R115
1K
+VCC
IC3002
R116
C0ABBB000244 1K
TUN-RCH
OP-AMP
-VCC
4 3 2 1
C2011
0.1
C3207
Q2011
0.1
C3208 C3206 C3205
-5V REGULATOR 100
330P 1000P
R3208
10K
R3207
5.6K
MPORT-RCH
-VP
7 8 9
: AUDIO OUTPUT SIGNAL LINE
K140
0
R105
1K
C59 1 R51 1K
R106
1K
C60 1 R52 1K
L120 G0C390JA0055
K143 0
K142 0
K141 0
R62 R61 C126 C127 C128 R107
47K 47K 100 0.1 0.012 47K
AUXL
C111 1
C103 R109
680P 10K
C104 R110
680P 10K
C112 1
MPORT_L
C117 1
TUN_L
1 2 3
IC2105
C115 1
C0JBAR000540
4CH MULTIPLEXER
C107 R117
680P 10K
16 15 14
C108 R118
680P 10K
C116 1
K147 C123
0 0.1
AUXR
TUN_R
R126 10K
R127 10K
MPORT_R
C118 1
Q108
B1GBCFJJ0051
INVERTER
100
10 11 12
: FM SIGNAL LINE
TUN_GP102
TUN-LCH
TUN-RCH
D3.3V
TUN_SDIO
TUN_SCLK
TUN_REST
R108 C129
47K 0.012
C136
50V3.3
GND
RECOUT-L
-5V
R103
0
4 5 6 7 8
13 12 11 10 9
RECOUT-R
C119 47P
C120 47P
R125 R130
1K 1K
Q109
B1GBCFJJ0051
INVERTER
AGND
1/6 2/6
4/6 5/6
13 14
TO MAIN/D-AMP
SECTION (2/6)
P1
3/6
SA-PT75PH
6/6
MAIN/D-AMP CIRCUIT