Panasonic SA-AKX73P Service Manual page 94

SCHEMATIC DIAGRAM - 12
B MAIN(MICON) CIRCUIT
P1
IC2008
C0DBZYY00311
HIGH SIDE SWITCH
TO MAIN(MICON) 1 VIN
5
CIRCUIT (8/10) VOUT
C2013
0.1
2
GND
3 EN /OC 4
R2013
0
R2073
100K
Q2019
CN2700 R2443 B1ADCE000012
330
E LED DRIVE
D5V 5
TO
DGND 4
USB CIRCUIT
D+ 3
(ZJ6300*)
D- 2
IN SCHEMATIC
VBUS 1
DIAGRAM - 18
QR2003
B1GBCFJJ0051
DC DETECT
Q2018
B1GBCFJJ0051
DC DETECT
C2173
R2247
6.3V2200
0
MI: MAIN(MICON): SCHEMATIC DIAGRAM - 5 ~ 14
DA: MAIN(D-AMP): SCHEMATIC DIAGRAM - 15 ~ 16
43 44 45 46
: +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE : AUX/TUNER/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
RIGHT-OUT
AGND
OC
EN
USB_REC_LED
QR2004
B1GBCFGN0016
LED SWITCH
USB_DGND
D+ PW_+16V
D-
LEFT-OUT
CLIP_SENSOR
D2015
B0ACCK000005
PW_M+5V
D2014
B0ADDJ000032
PW_CD+3.3V
1
3
PW_+5V
2
DC_DET_PWR
UP_DGND
R2250 18K
PW_+9V
R2251 12K
R2248 15K VP_DET
47 48 49
: AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
: AM SIGNAL LINE : USB SIGNAL LINE
TO MAIN(MICON)
CIRCUIT (4/10)
C2117 R2137 R2150
1 5.6K 82K
R2112
R2128 C2126 C2133
10K
0
47P 150P
4 3 2 1
V-
C2243 C2110 C2114
0.1 25V220 16V220
V+
5 6 7 8
R2134 C2121 C2127
R2113
R2107
0 47P 150P
10K
22
R2348
10K C2116 R2138 R2146
1 5.6K 82K
D2300 R2127
DA2J10100L 0
Q2050
B1ADCE000012
CLIP SENSING
50 51 52
94
TO MAIN(MICON)
CIRCUIT (10/10)
C2135
4.7
IC2005
C0AABB000125
DUAL OP-AMP
C2134
4.7
R2153
100K
R2130
1K
C2128
5600P
C2136
1
1/10 2/10 3/10 4/10 5/10
6/10 7/10 8/10 9/10 10/10
SA-AKX73P MAIN(MICON) CIRCUIT
53 54 55
4
3
5
6
7
56