Panasonic SA-PT650P Service Manual page 115

1 2 3
SCHEMATIC DIAGRAM - 15
A
I
SMPS CIRCUIT
:+B SIGNAL LINE
B
DCDET
CN5801
+30V_SENSE
+30V_SENSE 8
FAN_18V
H
+30V_SENSE 7
TO
GND 6
D-AMP CIRCUIT
C5832
GND 5
(H5500)
0.1
-30V_SENSE 4
IN SCHEMATIC
-30V_SENSE
-30V_SENSE 3
DIAGRAM - 14
FAN_18V
FAN_13V 2
FAN_GND 1
C
C5823
0.1
-30V_SENSE
+30V_SENSE
D
DCDET
CN5802 W5803
0
AM_BP
AM_BP 11
PCONT
PCONT 10 DC_18V
DC18V 9
C AM_BP
DC_18V
TO DC18V 8
C5812 0.1
MAIN CIRCUIT +18V.-12V_GND 7
(CN2004) +18V.-12V_GND 6
C5815 0.1
E
IN SCHEMATIC
-13V 5
-13V
DIAGRAM - 10 DCDET 4
DCDET
SYS_GND 3
-13V
C5896 0.1
SYS6V 2
SYS6V
FAN_18V
SYNC 1
SYNC
F
+30V_SENSE
G
-30V_SENSE
SYS6V
PCONT
H
1 2 3
4 5 6
:-B SIGNAL LINE
Q5861 - Q5862
B1ABCF000176
TRANSFORMER TEMP DETECT
W5802
0
W5804
0
Q5860
B1ADCF000001
TRANSFORMER TEMP DETECT
R5800 R5801
10K 12K
QR5801
C5800
0.01
B1GBCFJN0033
DC DETECT
W5801
ZJ5801
0
Q5803
2SC3940ARA
R5825
SWITCHING
1K
IC5801
C0DABFC00002
SHUNT REGULATOR
1
Q5802
3
2
D5806
B0BC7R500001
4 5 6
7 8 9
D5801
B0HBSM000043
1 2 3
T5701
ETS42BM15GAD
MAIN TRANSFORMER
10 9
-30V VIN
11 8
AMPGND
12 7
13 6
14 5
+30V
15 4
+FAN 18V
DRAIN
+18V
3 2 1
16 3
GND
17 2
R5720
D5802
18 1
B0HBSM000043
-12V
Q5720
2SC3940ARA
CURRENT
LIMITING SWITCH
D5805
3 2 1
B0EAMM000057 Q5722
ZJ5802
B1ABCF000176
CURRENT
LIMITING SWITCH
PC5720
B3PBA0000402
R5809 R5807
330 330
1 4
R5730
3.3K
2 3
FEED BACK
Q5802
B1ABCF000176
FEED BACK CONTROL
PC5701
B3PBA0000402
1 4
R5750
0
2 3
FEED BACK
QR5810
B1GBCFLL0037
INVERTER
7 8 9
115
10 11 12
R5703 R5702
33K 33K
3
1 2
D5731
B0EAMM000057
Q5721
22
B1ADCF000001
SWITCHING
D5726
B0EAKM000117
D5721
B0BC01700015
D5729
Q5720
B0EAMM000057
R5721 D5728
3.9K B0ACCK000005
Q5722
D5724
C5720
B0EAMM000057
0.1
D5722 L5721
J0JKB0000020
B0BC01700013
C5728
1000P
R5728 100K
C5700
F1BAF1020020
R5729 10K
1000P
3 2 1
ZJ5803
1/2 2/2
SA-PT650P/PC SMPS CIRCUIT
10 11 12
SA-PT650P / SA-PT650PC
13 14
I1
I2
I4
TO SMPS
SECTION (2/2)
W5806
0
I5
IC5701
C0DAAMH00004
SWITCHING REGULATOR
1
FB
2 S
3 D
C5727
3300P
4 VCC
GND
5
13 14