Panasonic SA-AKX14P, Service Manual

Page: 13 / 34

13
5 Block Diagram
5.1. Power Supply
SA-AKX14P POWER SUPPLY (1/2) BLOCK DIAGRAM
TO POWER SUPPLY
BLOCK (2/2)
1
4
3
2
4
1
AC INLET
P5701
F1
DZ5701
5,6 5,6
CN2000 CN5802
7 7
CN2000 CN5802
+35V SENSE +35V SENSE
8 8
CN2000 CN5802
SYS3.3V SYS3.3V
SYS3.3V,DVREF+
SYS3.3V,DVREF+
SWITCHING MODE POWER
SUPPLY CONTROL
MIP2F20MSSCF
IC5799
SHUNT
REGULATOR
C0DAZYY00039
IC5801
3
4
2
1
SUB
TRANSFORMER
T5751
MAIN
TRANSFORMER
T5701
TH5702
TH5860
D5701
D5896
D5798
D5702
D5730
D5795
D5725
D5731
D5729
D5726
D5802
D5803
D5804
-35V SENSE
D5801
D5724,D5727
QR5802
DC DETECT
Q5860,Q5861,Q5862
TRANSFORMER
TEMPERATURE
DETECT
FEEDBACK
CIRCUIT
SYNC
Q2022
Q2000
D2000
D2017
D2004
D2022
D2015 D2014
+7.5V VOLTAGE
REGULATOR
VOLTAGE
CONTROL
Q2021
+9V VOLTAGE
REGULATOR
QR2001
SWITCH
Q5898
SWITCH
QR5810
PCONT
SWITCH
QR5801
SWITCH
Q2035
AM
BEATPROOF
CIRCUIT
Q5721
SWITCH
Q5722
CURRENT
LIMITING
SWITCH
PC5799
FEEDBACK
3
4
2
1
PC5701
FEEDBACK
1
2
4
3
PC5702
SYNC
4
3
1
2
PC5720
FEEDBACK
SWITCHING
REGULATOR
C5HACYY00004
IC5701
VCC
OCP/BD
FB
D
35V
SYNC SYNC
DCDET2 DC DET PWR
+9V +9V
+7.5V
+5V
+35V SENSE
-35V SENSE
+5V
+5V
DC16V
DC16V
DC16V
DC16V
PCONT PCONT
SYNC
1,2 1,2
CN2000
CN5802
-35V SENSE
-35V
CD 3.3V
IC2009
+5V
+3.3V VOLTAGE
REGULATOR
C0DBFYY00049
IC2011
+5V VOLTAGE
SWITCHING
REGULATOR
C0DBAYY01122
IC5899
SHUNT
REGULATOR
C0DAEYY00040
9V
DC DET PWR
PCONT
3.3V
DC ENABLE
DC ENABLE
SMPS BP
CD+7.5V
CD 3.3V
+5V
5V
SMPS BP
FROM/TO
SERVO & SYSTEM CONTROL
14 14
CN2000 CN5802 PCONT
10 10
CN2000 CN5802 DCDET2
13 13
CN2000 CN5802 DC16V
L5701
3
2
4
1
3
2
L5705
SMPS P.C.B. MAIN P.C.B.
4
7
6
1
5
4
1
2
7
8
6
14
9
15
12
11
10
FB 2
VDD 1
D 5
VCC 4
CL 3
5
6
3
2
1
7
8
10
K C R R
2 VIN
7 EN SW 3
FB 5
BST 1
1 VIN
3 CE
VOUT 5
Q5720
VOLTAGE
REGULATOR
D5721
D5722
D5728
D5723
SECONDARY PRIMARY