Panasonic SA-PT70EB Service Manual page 102

SCHEMATIC DIAGRAM - 10
B
MAIN/D-AMP CIRCUIT
: +B SIGNAL LINE
TO MAIN/D-AMP
SECTION (2/6)
RESET
VREF
TO MAIN/D-AMP
SECTION (4/6)
A+12V
M+9V
DC_DET1
Q106
B1GBCFJJ0051
DC DETECT
Q105
B1ABCF000176
DC DETECT
C142
25V4.7
SW5V
SYS5VGND
P1
15 16 17 18
: -B SIGNAL LINE : AUX/TV/MUSIC PORT AUDIO INPUT SIGNAL LINE
C211 C213
R237
50V2.2 47K 6.3V10
LB200
C212
0
0.1
Q203
D203
B1GBCFLL0037
C205
MA2J1110GL
RESET 1
Q107
C132
1000P
B1BACD000018
R156
R157
+9V REGULATOR 1.2K
100
D110 MA2J1110GL
D111 MA2J1110GL D114
C139 C251
B0BC010A0267 16V100
1
D113 B0BC027A0264
D204 B0BC015A0264
R162
4.7K
D112 B0BC7R5A0263
R152 27K
IC106
R150 47K C0DBAYH00005
SWITCHING REGULATOR
1 2 3
L125
G0A330ZA0045
C134
6.3V820 C143
R164
25V470
D116
B0JCPG000030
K162 K163
0 0
19 20 21
102
: AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
CNVSS
BUSY
CLOCK
IC202
C0CBABC00117
RxD
VOLTAGE REGULATOR
TxD
1 2 3
LB201
0
C214
1
J0JBC0000041
-VP
ECO_CTL
FL-
FL+
PCONT
K164 DC_DET1
0
2 1
SYNC
C250
SYS6V
16V1000
IP100
3A
GND
K104
R163
0
27K
1 2 3
C215
50V3.3
MPORT-RCH
4 5
ZJ104
MPORT-LCH
L128
D703 D702
G0A220GA0002
B0ACCK000005 B0ACCK000005
C135 SW5V
10K 0.1
VREF
RMT
FLD_OUT
K103 K101 K105
FLD_CLK
0 0 0
FLD_STB
KEY2
KEY1
FL+
FL-
-VP
22 23 24
CN206
1 RESET
2 CNVSS
3 VREF
4 BUSY
FOR SOFTWARE
5 DGND
TO MAIN/D-AMP
6 CLOCK SECTION (6/6)
7 RxD
8 TxD
L102 CN103
15 -VP
14 ECO_CTL
13 F-
12 F+
11 GND
G
10 PCONT
TO
K102 0
9 DC_DET1
SMPS CIRCUIT
8 12V
(H2016*)
7 SYS5VGND
IN SCHEMATIC
6 SYNC
DIAGRAM - 14
5 SYS6V
4 GND
3 GND
2 23.5V
1 23.5V
1
ZJ203
2
3
C216
0.01
CN203
17
K125 0
1 MPORT/HP_RCH
K126 0
2 AGND
K127 0
3 MPORT/HP_LCH
4 AGND
5 DGND
K132 0
6 SW+5V C
TO
K133 0
7 VREF
FL CIRCUIT
K134 0
8 RMT
K135 0 (CN901)
9 FL_IC_DAT
IN SCHEMATIC
K136 0
10 FL_IC_CLK
K137 0 DIAGRAM - 12
11 FL_IC_STB
K138 0
12 KEY2
K139 0
13 KEY1
K131 0
14 FL_GND
K128 0
15 FL+
K129 0
16 FL-
K130 0
17 -VP
1
1/6 2/6 3/6
4/6 5/6 6/6
SA-PT70EB/EG/EP MAIN/D-AMP CIRCUIT
25 26 27
1
2
3
4
28