Panasonic SA-BT300PX Service Manual page 105

SCHEMATIC DIAGRAM - 37
I
J D-AMP CIRCUIT
J
IC8003
C0ZBZ0001675
TEMPERATURE SENSOR
C8054
R8018
2.2 VTEMP
0 3
2 GND
K
1 CTRL
D8011
MAZ8051GML
C8060
4.7
IC8004
C0ZBZ0001675
TEMPERATURE SENSOR
L
C8055 R8020
2.2 0
VTEMP
3
GND
2
CTRL
1
M
R8901 0
N
O
P
1 2 3
: +B SIGNAL LINE : -B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
VCC
4
C8059
0.01
R8006
QR8006
100K
B1GDCFNN0032
OS 5
QR8005 DC DETECT
B1GBCFJJ0007
R8017
DC DETECT
5.6K
R8071
270
VCC 4
OS
5
8002
TL
4 5 6
TO D-AMP
SECTION (1/6)
QR8003
B1GDCFJJ0008
MUTING CONTROL
Q8010 R8002
DC_DET1 100K
B1ABCF000176
SWITCH
C8081
1000P
VCC
QR8004
B1GDCFJJ0008
MUTING CONTROL R8004
100K
Q8011
B1ABCF000176
SWITCH
C8082
1000P
GND
D8002
R8016
B0ACCK000005 1K QR8007
CSD_1
B1GBCFJJ0007
SWITCH
D8003
R8072
B0ACCK000005 1K
CSD_2
R8040
22
FHOP
C8030
0.01
C8031
0.01
D8008
D8009
B0ACCK000005
B0ACCK000005
C8032
100P
X8101 R8038
H2A5003A0066 1M
C8033 R8065
100P
0
C8034
100P
X8102
R8039
H2A4643A0068
1M
R8066
C8035
100P 0
7 8 9 10
105
R8001
2.7K
C8001
1
MODE1
R8003
2.7K
C8002
1
VSS
MODE2
AGND
R8089
0
MOD_DA
R8054
4.7K
VAA
IC8006
C0JBAB000902
HEX INVERTER
C8038
1
1 1A VCC 14
1Y 6A
2 13
R8041
1M
3 2A 6Y 12
4 2Y 5A 11
R8042
100
5Y
5 3A 5Y 10
6 3Y 4A 9
R8063
100
4Y
7 GND 4Y 8
C8036
47P
C8037
47P
1/6 2/6 3/6
4/6 5/6 6/6
SA-BT300PX D-AMP CIRCUIT
11 12 13
P3
1
2
TO D-AMP
SECTION (5/6)
14