Panasonic SA-AKX74PN Manuel d'entretien - Page 3

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Panasonic SA-AKX74PN Manuel d'entretien

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