I1
I2
I4
I5
I
SCHEMATIC DIAGRAM - 14
SMPS CIRCUIT
SA-PT550GCP SMPS CIRCUIT
1/2
2/2
:+B SIGNAL LINE
:-B SIGNAL LINE
H
TO
D-AMP CIRCUIT
(H5500)
IN SCHEMATIC
DIAGRAM - 13
B
TO
MAIN CIRCUIT
(CN2004)
IN SCHEMATIC
DIAGRAM - 9
TO SMPS
SECTION (2/2)
I6
I8
I7
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2
3
1
IC5701
C5HACYY00003
SWITCHING REGULATOR
0
R5725
3
1
2
B0HBSM000043
D5801
R5834
2.2K
32
1
ZJ5801
2.2K
R5832
+30V_SENSE
FAN_18V
10K
R5863
DCDET
10K
3K
R5862
FAN_18V
C5823
0.1
-30V_SENSE
10K
R5864
DCDET
B1GBCFJN0033
QR5801
-30V_SENSE
R5801
12K
D5807
B0ACCK000005
+30V_SENSE
R5800
10K
R5860
Q5860
10K
0.1
C5831
0.1
C5832
5
6
1
3
4
2
8
7
CN5801
B1ADCF000001
Q5860
C5800
0.01
C5826
0.01
Q5862
R5861
Q5861 - Q5862
Q5861
B1ABCF000176
68K
R5703
68K
R5706
68K
R5702
35V2200
C5805
B0HFRJ000012
D5803
35V2200
C5808
C5819 0.01
C5822
0.01
22
R5720
D5731
B0EAMM000057
3
2
1
D5702
B0ZAZ0000052
C5713
0.01
3
2
1
ZJ5803
C5700
F1BAF1020020
1000P
EST42BN1A6AD
MAIN TRANSFORMER
C5821
0.01
C5820
0.01
35V470
C5824
SYNC
SYS6V
2.2K
R5805
15K
R5806
A
R
3
2
C
1
C0DABFC00002
SHUNT REGULATOR
FEED BACK CONTROL
FEED BACK
INVERTER
CURRENT
LIMITING SWITCH
CURRENT
LIMITING SWITCH
FEED BACK
IC5801
0.1
C5818
-13V
DCDET
0.1
C5815
C5812
0.1
DC_18V
270
R5803
47K
R5804
0.1
C5810
2.7K
R5802
C5896
0.1
6
8
9
7
2
1
4
5
3
10
11
CN5802
PCONT
B1GBCFLL0037
QR5810
330
R5809
330
R5807
1K
R5730
B0BC6R100010
D5725
2.2K
R5808
4
3
1
2
B3PBA0000402
PC5720
R5817
330
R5810
330
4
3
1
2
B3PBA0000402
PC5701
1.5K
R5811
0.1
C5825
1.5K
R5816
8.2K
R5812
B0BC7R500001
D5806
SYS6V
-30V_SENSE
+30V_SENSE
2.7K
R5815
24K
R5813
Q5802
Q5802
B1ABCF000176
120
R5724
DC_18V
3
1
2
B0HBSM000043
D5802
-13V
FAN_18V
35V470
C5816
B0EAMM000057
D5805
D5804
B0EAMM000057
11
13
14
12
10
8
6
5
7
9
18
15
16
17
1
4
3
2
T5701
C5813
35V1000
R5722
1K
C5722
1000P
C5723
470P
220P
C5721
R5729
10K
C5728
1000P
R5728
100K
D5724
D5727
B0ACCK000005 B0ACCK000005
R5732
100
R5726
0.82
B1ABCF000176
Q5722
10K
R5721
D5722
B0BC01700015
B0ACCK000005
D5723
C5720
0.1
B0EAMM000057
D5729
B0BC010A0007
D5721
D5726
B0EAKM000117
SWITCHING
1K
R5723
B1ADCF000001
Q5721
B0ACCK000005
D5728
2SC3940ARA
Q5720
Q5720
Q5722
D
C5727
470P
C5726
0.1
C5730
50V1
C5724
D5732
B0BC035A0007
50V56
R5733
47K
R5731
0
C5725
0.1
S
GND
FB
VCC
OLP/SS
OCP/BD
+30V_SENSE
PCONT
DC18V
AM_BP
-13V
DCDET
DC18V
+18V.-12V_GND
+18V.-12V_GND
GND
GND
-30V_SENSE
FAN_GND
FAN_13V
-30V_SENSE
SYS6V
SYNC
SYS_GND
+30V_SENSE
4
5
7
6
TRANSFORMER TEMP DETECT
TRANSFORMER TEMP DETECT
DC DETECT
C5869
0.1
TH5860
D4CC11040013
PCONT
8.2K
R5814
100V0.22
C5817
W5012
0
W5706
0
W5002
0
W5000
0
W5006
0
W5707
0
W5001
0
VIN
DRAIN
+30V
-30V
+FAN 18V
GND
+18V
AMPGND
-12V
W5009
0
W5007
0
W5010
0
SA-PT550GCP
106
Summary of Contents for SA-PT550GCP
Page 3: ...3 SA PT550GCP ...
Page 12: ...12 SA PT550GCP ...
Page 23: ...8 1 3 Advanced Digital Sound 8 1 4 Easy to Use 8 1 5 HDMI Compatible Products 23 SA PT550GCP ...
Page 49: ...10 2 Main Components and P C B Locations 49 SA PT550GCP ...
Page 65: ...Step 3 Remove the middle chassis Step 4 Remove the traverse unit 65 SA PT550GCP ...
Page 68: ...68 SA PT550GCP ...
Page 82: ...SA PT550GCP 82 ...
Page 92: ...92 SA PT550GCP ...
Page 110: ...SA PT550GCP 110 ...
Page 118: ...SA PT550GCP 118 ...
Page 126: ...25 Exploded Views 126 SA PT550GCP ...
Page 127: ...25 1 Cabinet Parts Location SA PT550GCP 127 ...
Page 128: ...SA PT550GCP 128 ...
Page 129: ...25 2 Packaging SA PT550GCP 129 ...