Block Diagram (Updates); Power Supply (Sa-Akx74Ph/Pn-K) - Panasonic SA-AKX74PH Service Manual

2 Block Diagram (Updates)

2.1.

Power Supply (SA-AKX74PH/PN-K)

With reference to original service manual (section 14.4) on pages 77.
IC5799
MIP2F20MSSCF
SWITCHING MODE POWER
SUPPLY CONTROL
CL 3
D5795
VCC 4
D 5
FB 2
VDD 1
P5701
AC INLET L5701
F1
3 4
TH5702
2 1
DZ5701
FOR PH
VOLTAGE SELECTOR P.C.B.
TL5* TL7*
BLK BLK
S5701
VOLT ADJ
TL6* TL8*
RED RED
IC5701
C5HACYY00004...PN
C5HACYY00005...PH
SWITCHING
REGULATOR
D 1
VCC 4
D5724,D5727
OCP/BD 7
FB 6
NOTE: " * " REF IS FOR INDICATION ONLY
SMPS P.C.B.
T5751
SUB
TRANSFORMER
D5798
6 8
5
D5896
7
2
FOR PH
10
1
D5793
3
PC5799
FEEDBACK
3 2
4 1
PC5702
SYNC
1 4
D5730
2 3
PC5701
FEEDBACK
3 2
D5701
4 1
T5701
MAIN
TRANSFORMER
4 14
5
Q5721
SWITCH
6
D5803
D5702 15
D5726
7
8
11
D5721
D5729
Q5720 D5802
D5731
VOLTAGE
2
REGULATOR 12
D5723 D5722
9
D5728
D5801
1 10
Q5722
CURRENT
LIMITING
SWITCH
PC5720
FEEDBACK
4 1
D5725
3 2
FOR PH FOR PN
4 14 4 14
5 5
15 15
11 11
6 6
7 7
12 12
8 8
2 9 2 9
PRIMARY SECONDARY
1 10 1 10
CN5802
SYS3.3V CN2007 SYS3.3V
8 8
CHANGE
(IC5899)
IC5899
C0DAZYY00039
C0DAEYY00040
SHUNT
REGULATOR
K C R R
CN5802
SYNC CN2007 SYNC
7 7
Q5898
SYNC SWITCH
PCONT CN5802 CN2007 PCONT
14 14
QR5810
PCONT
Q2035
SWITCH
AM
QR5801
BEATPROOF
CIRCUIT
SWITCH
Q5860,Q5861,Q5862
TH5860
DCDET2 CN5802 CN2007 DCDET2
TRANSFORMER
10 10
TEMPERATURE
DETECT
QR5802
DC DETECT
DC16V CN5802 CN2007 DC16V
13 13
D5804
CN5802 CN2007 ZJ2001* ZJ5000*
+35V SENSE +35V SENSE +35V SENSE
5,6 5,6 5,6
-35V SENSE CN5802 CN2007 -35V SENSE -35V SENSE ZJ2001* ZJ5000*
1,2 1,2 1,2
+35V SENSE CN5801 ZJ5901* +35V SENSE +35V SENSE
35V
5,6 5,6
-35V SENSE CN5801 ZJ5901* -35V SENSE -35V SENSE
-35V
1,2 1,2
+5V
5V
IC5801
C0DAZYY00039
FEEDBACK SHUNT
CIRCUIT
REGULATOR
Q5899,QR5811,QR5812
D-AMP P.C.B.
CN5802 CN2007
ECO CTL ECO CTL
11 11
TEMP DET CN5802 CN2007 TEMP DET
9 9
TH5861
3
MAIN P.C.B.
SYNC
SYNC
PCONT
PCONT
SMPS BP
SMPS BP
DC DET PWR
DC DET PWR
+35V SENSE +35V SENSE
35V
5,6
-35V SENSE -35V SENSE
-35V
1,2
+5V CN5902 CN2011 +5V
2 8
ECO CTL
ECO CTL
TEMP DET
TEMP DET
SA-AKX74PH/PN POWER SUPPLY (1/2) BLOCK DIAGRAM
SYS3.3V
2
TO POWER SUPPLY
BLOCK (2/2)
FROM/TO
SERVO & SYSTEM CONTROL
DC DET PWR
3
PW +16V
1
PW +5V
4
FROM/TO
SERVO & SYSTEM CONTROL