Read Panasonic SA-PTX7EB / SA-PTX7EG Service Manual online
20.11. POWER
2
6
3
7
10
VPD
1
1
2
1
7
16
9
15
16
D758
MAIN
TRANSFORMER
TRANSFORMER
D736
T721
D725
POWER SUPPLY
CONTROL
CONTROL
Q724
CURRENT
LIMITING
SWITCH
LIMITING
SWITCH
SWITCHING
REGULATOR
REGULATOR
C0DAAMH00015
VCC
D
FB
4
1
6
PC721
FEED BACK
IC725
QR732
DC DETECT
TO SYSTEM
CONTROL
CONTROL
1, 2
CN722
CN201
5
CN722
CN201
2, 3
PP701
PS701
8
17
CN723
CN514
10
15
CN723
CN514
2
23
CN723
CN514
- 7V
15V
A+7V
A-7V
DCDET1
PCNT3
DCDET1
PCNT2
PA30V
VCC30V
A-7V
A+7V
15V
4
D724
TH721
1
J1
CN724
2
J1
CN724
1
2
SHUNT
REGULATOR
REGULATOR
SHUNT
REGULATOR
REGULATOR
IC727
IC107
C0DAEMZ00001
C0DAEMZ00001
3
Q721, D721
+ 7V
REGULATOR
REGULATOR
Q722
POWER SUPPLY
Q723
POWER SUPPLY
CONTROL
CONTROL
12V
4
21
CN723
CN514
Q725
DC DETECT
Q113
+ 12V
REGULATOR
REGULATOR
QR734
DC DETECT
DCDET1
IP701
6
6
PP703
PS703
5
5
PP703
PS703
C0DBZYY00018
INVERTER
QR722
INVERTER
QR721
CS
IC704
OUT
VCC 7
6
8
Q702
POWER SUPPLY
POWER SUPPLY
CONTROL
CONTROL
IP703
C0DBZYY00018
QR725
2
2
P702
P513
INVERTER
INVERTER
QR726
CS
IC706
OUT
VCC
OUT
VCC
7
6
8
Q704
QR730
POWER SUPPLY
DC DETECT
Q305
DC DETECT
POWER SUPPLY
CONTROL
CONTROL
IP702
C0DBZYY00018
INVERTER
QR727
INVERTER
Q523
CS
IC705
OUT
VCC 7
6
8
REGULATOR
C0DBZYE00002
IC519
OUT
EN
4
6
Q703
POWER SUPPLY
3
22
CN723
CN514
12V
D12V
HDD12V
2,3
2,3
PS702
PP702
5V
DCDET
2,3
2,3
PS703
PP703
12
13
CN723
CN514
3.3V
5,6
5,6
PS702
PP702
4
7
A5VM
HDD5V
7
18
18
11,12
5V
D5V
8
CN722
CN201
CN722
CN201
CN723
CN514
CN723
CN514
CN721
-
-
-
A5VD
A5V
HDD5V
22
3
CN723
CN514
D12V
11
14
CN723
CN514
15,16
10
D3.3VD
D3.3VM
CN722
CN201
CN723
CN514
D3.3V
D3.3VM
13
10,9
12
D2.7V
CN723
CN514
D2.7V
5V
D5V
A5VD
Q729
POWER SUPPLY
Q568
POWER SUPPLY
QR515
INVERTER
QR513
INVERTER
1
CN721
-
-
-
INVERTER
Q728
INVERTER
QR733
2
1
AC DETECT
IC726
C0EBJ0000331
OUT
VCC
HDD12V
SMPSBP
ACDET
24
1
CN723
CN514
M9V
M9V
5
20
CN723
CN514
A9V
M9V
Q567
POWER SUPPLY
D5V
Q566
POWER SUPPLY
QR512
INVERTER
QR514
INVERTER
A5V
Q569
POWER SUPPLY
D2.7V
PCNT5
A9V
PCNT5
1
3
+9V REGULATOR
IC722
C0DBZHG00047
V OUT
V IN
1
3
+9V REGULATOR
IC723
C0DBZHG00047
V OUT
V IN
+1.5V
+1.6V
4
5
+1.6V REGULATOR
IC1801
C0CBCYY00002
V OUT
V IN
1
3
+1.5V REGULATOR
IC1507
C0CBAAG00018
OUT
VCC
3
P702
3
P513
SYS3.3V
OUT
IN
2
7
OUT
IN
3
8
D5.3V
AC DETECT
C0EBJ0000331
IC521
2
1
AC DETECT
+3.3V
1
P702
1
P513
NSW6V
5.4V
3
1
+3.3V REGULATOR
IC703
C0CBABC00117
V OUT
V IN
PCNT3
PCNT2
XMPWR
PCNT1
XMPWR
PCNT2
PCNT3
FROM
SYSTEM CONTROL
SYSTEM CONTROL
FROM
SYSTEM CONTROL
SYSTEM CONTROL
TO SYSTEM
CONTROL
CONTROL
TO SYSTEM
CONTROL
CONTROL
FROM
SYSTEM CONTROL
SYSTEM CONTROL
1
2
D707
D747
BACKUP
TRANSFORMER
TRANSFORMER
T701
D702
L702
L701
RY701
DZ701
F701
P701
AC INLET
AC INLET
SWITCHING
REGULATOR
REGULATOR
C0DAAMH00004
VCC
D
FB
4
5
2
PC701
FEED BACK
IC701
SHUNT
REGULATOR
REGULATOR
IC702
C0DAEMZ00001
3
3
1
C0DBZYY00018
+1.2V REGULATOR
C0DBEHG00006
POWER CONTROL
QR8111
SWITCH
Q506
+3.3V DC-DC
CONVERTER
CONVERTER
CONT
IC8151
IC8111
OUT
VCC 2
4
D+3.3V
1.2V
NSW1.2V
REGULATOR
C0CBCAG00016
IC3291
1
3
D+2.5V
VO
VIN
8
5
SA-PTX7EB/EG POWER BLOCK DIAGRAM
FROM SYSTEM
CONTROL
CONTROL
VIN
EXT
FB
IC405
C0DBAKG00007
+1.2V DC-DC CONVERTER
Q405
POWER
SUPPLY
SUPPLY
1
7
5
Q109-Q111,
Q114,Q115
Q114,Q115
FAN MOTOR
DRIVE
DRIVE
M
Q108
FAN LOCK
DETECT
DETECT
FAN LOCK
FAN DC OUT
FAN GND
FAN
1
CN202
3
CN202
2
CN202
FAN DET
14
17
P301
CN505
SA-PTX7EB / SA-PTX7EG
115
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