SA-AKX74
POWER SUPPL
Y
(2/2) BLOCK DIAGRAM
TO POWER SUPPLY
BLOCK (1/2)
1
3
2
4
D2018,D2020,D2022
D2014
Q2027,QR2000
DC DETECT
Q2023,QR2005
DC DETECT
PW +9V
PW +5V
D2017
Q2022
+5V VOLTAGE
REGULATOR
PW M+5V
PW +16V
PW CD+3.3V,PW +3.3V
IC2014
PW +5V
+3.3V VOLTAGE
REGULATOR
C0DBEYY00123
IC2008
HIGH
SIDE SWITCH
C0DBZYY00311
IC2010
+9V VOLTAGE
SWITCHING
REGULATOR
C0DAAYG00001
PW +16V
16V
PW +9V
9V
SYS3.3V
3.3V
PW CD+3.3V, PW +3.3V
3.3V
PW +16V
DC DET PWR
SYS3.3V
PW +5V
A+5V
A+5V
A+5V
12
19
FP8101
CN2009
5V
M+5V
M+5V
PW +5V
8
23
FP8101
CN2009
5V
M+9V
M+9V
M+9V
6
25
FP8101
CN2009
9V
CD 3.3V
CD 3.3V
PW 3R3V DIG,PW 3R3V DAC,PW 3R3V MAIN,PW 3R3V CD
9,10
21,22
FP8101
CN2009
3.3V
FROM/TO
SERVO & SYSTEM CONTROL
VP DET
25
3
CN6000
CN2003
VP DET
REMOTE SENSOR P.C.B.
CD SERVO P.C.B.
MAIN P.C.B.
1
VCC
5
STBY
OUT
2
INV
4
8
VCC
5E
N
VOUT
1
26
2
CN6000
CN2003
2
26
CN6000
CN2003
DC 18V
CD3.3V
DC 18V
CD3.3V
PW CD3.3V
3.3V
21
7
CN6000
CN2003
SYS3.3V
SYS3.3V
3
25
CN6000
CN2003
+9V
+9V
2
2
CN6200
CN6001
VREF+
VREF+
4
4
ZJ6500*
ZJ6003*
+9V
+9V
PW SYS3.3V
3.3V
VREF+
3.3V
+9V
9V
27
1
CN6000
CN2003
+5V
+5V
+5V
5V
PW +18V
PANEL P.C.B.
F-
F+
-VP
F-
F+
-VP
SWITCHING
TRANSFORMER
T6000
Q6003
-VP
F+
F-
FL DISPLAY
VOLTAGE SUPPLY
CIRCUIT
MIC P.C.B.
1
1
ZJ6300*
CN2700
VBUS
VBUS
VBUS
VBUS
USB P.C.B.
Q2018,QR2003
DC DETECT
D2015
1
VIN
VOUT
5
VBUS
EN
OC
EN
OC
PW +5V
3E
N
4O
C
PW +5V
PW +16V
IC2011
+5V VOLTAGE
SWITCHING
REGULATOR
C0DAAYG00001
1
VCC
5
STBY
OUT
2
INV
4
FB
2
78
Summary of Contents for SA-AKX74LM-K
Page 14: ...5 General Introduction 5 1 Media Information 14 ...
Page 15: ...6 Location of Controls and Components 6 1 Remote Control Key Button Operation 15 ...
Page 16: ...6 2 Main Unit Key Button Operation 16 ...
Page 17: ...7 Installation Instructions 7 1 Speaker and A C Connection 17 ...
Page 26: ...9 1 2 Main P C B Front Side Fig 2 Main P C B Front Side 26 ...
Page 30: ...9 3 D Amp IC Operation Control 30 ...
Page 35: ...11 2 Main Components and P C B Locations 35 ...