Panasonic SA-AKX73P Service Manual page 78

MAIN P.C.B.
IC2010
C0DAAYG00001
+9V VOLTAGE
SWITCHING
REGULATOR
PW +16V PW +16V
1 1 VCC OUT 2
5 STBY INV 4
TO POWER SUPPLY
D2018,D2020,D2022
BLOCK (1/2)
Q2022
+5V VOLTAGE
PW M+5V
REGULATOR
D2017
DC DET PWR
3
IC2011
C0DAAYG00001
+5V VOLTAGE
SWITCHING
REGULATOR
PW +16V
1 VCC OUT 2
5 STBY INV 4
PW +5V
4
IC2014
C0DBEYY00123
+3.3V VOLTAGE
REGULATOR
PW +5V
8 VCC VOUT 1
PW +5V
5 EN FB 2
SYS3.3V
2
IC2008
C0DBZYY00311
HIGH
SIDE SWITCH
PW +5V
1 VIN VOUT 5
OC
OC
4 OC
FROM/TO
SERVO & SYSTEM CONTROL
EN
EN 3 EN
PW +16V
16V
DC DETECT
Q2023,QR2005
PW +9V PW +9V
9V
DC DETECT
Q2027,QR2000
D2015
Q2018,QR2003
DC DETECT
D2014
PW +5V
PW CD+3.3V,PW +3.3V
PW CD+3.3V, PW +3.3V
3.3V
SYS3.3V
3.3V
VBUS
M+9V CN2009 FP8101 M+9V
25 6
CN2009 FP8101
M+5V M+5V
23 8
CN2009 FP8101 PW 3R3V DIG,PW 3R3V DAC,PW 3R3V MAIN,PW 3R3V CD
CD 3.3V CD 3.3V
21,22 9,10
A+5V CN2009 FP8101 A+5V
19 12
VP DET CN2003 CN6000 VP DET
3 25
T6000
SWITCHING
TRANSFORMER
Q6003
-VP
FL DISPLAY
CN2003 CN6000
DC 18V DC 18V PW +18V VOLTAGE SUPPLY F+
26 2 CIRCUIT
F-
+5V CN2003 CN6000 +5V
1 27
CD3.3V CN2003 CN6000 CD3.3V
2 26
SYS3.3V CN2003 CN6000 SYS3.3V
7 21
REMOTE SENSOR P.C.B.
VREF+ CN6001 CN6200 VREF+
2 2
CN2003 CN6000 ZJ6003* ZJ6500*
+9V +9V +9V +9V
25 3 4 4
VBUS CN2700 ZJ6300* VBUS
1 1
78
CD SERVO P.C.B.
M+9V
9V
PW +5V
5V
3.3V
A+5V
5V
PANEL P.C.B.
-VP
-VP
F+
F+
F-
F-
+5V
5V
PW CD3.3V
3.3V
PW SYS3.3V
3.3V
VREF+
3.3V
MIC P.C.B.
+9V
9V
USB P.C.B.
VBUS
VBUS
SA-AKX73P POWER SUPPLY (2/2) BLOCK DIAGRAM