5
2 Block Diagram
2.1.
Power Supply Block Diagram (For SA-AKX12EB/EG/GN-K)
With reference to original service manual (section 14.3.) on page 75 for Model No. SA-AKX12EB/EG/GN-K
SA-AKX12EB/EG/GN POWER SUPPLY BLOCK DIAGRAM
AC INLET
P5701
F1
DZ5701
5,6
5,6
ZJ2002*
CN5802
7
7
ZJ2002*
CN5802
14
4
CN6001
CN2003
+35V SENSE
+35V SENSE
8
8
ZJ2002*
CN5802
SYS3.3V
SYS3.3V
SYS3.3V
DVREF+
SYS3.3V
SYS3.3V
DVREF+
DVREF+
FB 2
VDD 1
D 5
SWITCHING POWER
SUPPLY CONTROL
MIP2F20MSSCF
IC5799
SHUNT
REGULATOR
C0DABFC00002
C0DAAYY00072
IC5801
5
VCC 4
CL 3
6
3
4
2
1
3
2
1
SUB
TRANSFORMER
T5751
7
5
4
1
2
16
10
11
MAIN
TRANSFORMER
T5701
17
14
15
13
12
7
8
6
TH5702
TH5860
D5701
D5896
D5798
D5730
D5795
D5725
D5731
D5729
D5726
D5802
D5803
D5804
-35V SENSE
D5801
DVREF+
DVREF+
CD+7.5V
+7.5V
+7.5V
CD 3.3V
3.3V
3.3V
SYS3.3V
SYS3.3V
VREF+
VREF+
VREF+
D5724
D5727
QR5802
DC DETECT
Q5860,Q5861,Q5862
TRANSFORMER
TEMP. DETECT
FEEDBACK
CIRCUIT
Q5898
SYNC
SWITCH
QR5810
PCONT SWITCH
QR5801
SWITCH
Q2022
D2018,D2020,D2022
D2016,D2019,D2021
D2014
+7.5V VOLTAGE
REGULATOR
Q2015
POWER
SUPPLY
Q2014
PCONT
Q5721
SWITCH
Q2035
AM
BEATPROOF
CIRCUIT
Q5720,Q5722
CURRENT
LIMITING
SWITCH
PC5799
FEEDBACK
3
4
2
1
PC5701
FEEDBACK
1
2
4
3
PC5702
SYNC
4
3
1
2
PC5720
HOT
COLD
FEEDBACK
SWITCHING
REGULATOR
C5HACYY00005
IC5701
VCC 4
OCP/BD 7
FB 6
GND 3
S 2
D 1
35V
SYNC
SYNC
DCDET2
DC DET PWR
+9V
+12V
+5V
+35V SENSE
-35V SENSE
+5V
+5V
CD+7.5V
D2015
DC16V
DC16V
DC16V
PCONT
PCONT
SYNC
1,2
1,2
ZJ2002*
CN5802
-35V SENSE
-35V
IC2010
1 IN
+12V VOLTAGE
REGULATOR
C0CAAKG00046
OUT 3
CD 3.3V
IC2009
1 VIN
+5V
3 CE
+3.3V VOLTAGE
REGULATOR
C0DBFYY00049
VOUT 3
IC2011
1 VCC
+5V SWITCHING
VOLTAGE REGULATOR
C0DAAYG00001
OUT 2
IC5899
1 C
SHUNT
REGULATOR
C0DAEMZ00001
C0DAEYY00040
R 2
DVREF
9V
+12V
12V
DC DET PWR
PCONT
3.3V
DVREF
12
6
CN6001
CN2003
3.3V
5
5
CN51
CN2010
3.3V
CD 3.3V
CD3.3V
CD3.3V
10
8
CN6001
CN2003
3.3V
2
2
CN6006
CN6005
3
3
ZJ6000A*
ZJ6000B*
+5V
+5V
+5V
16
2
CN6001
CN2003
5V
1
1
ZJ6000A*
ZJ6000B*
5V
4
2
CN1113
CN7901
VREF
1
27
CN7002
CN2706
7.5V
+5V
5V
5V
15,16
12,13
CN7002
CN2706
5V
VBUS
VBUS
CD 3.3V
3.3V
3.3V
13,22
6,15
CN7002
CN2706
3.3V
5V
SMPS BP
SMPS BP
FROM/TO
SERVO &
SYSTEM CONTROL
FROM SERVO &
SYSTEM CONTROL
14
14
ZJ2002*
CN5802
PCONT
10
10
ZJ2002*
CN5802
DCDET2
13
13
ZJ2002*
CN5802
DC16V
SMPS P.C.B.
MAIN P.C.B.
PANEL P.C.B.
REMOTE SENSOR P.C.B.
CD SERVO P.C.B.
TUNER P.C.B.
USB P.C.B.
LCD P.C.B.
NOTE: “ * ” REF IS FOR INDICATION ONLY
L5701
L5702
3
2
4
1
3
2
4
1
CHANGE
CHANGE
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