103
16.9. SMPS Circuit
A
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
C
D
B
E
G
H
F
M
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 21
SA-AKX73P SMPS CIRCUIT
2/2
1/2
TO SMPS
CIRCUIT (2/2)
1
2
3
4
B
TO
MAIN(MICON)
CIRCUIT (CN2007)
IN SCHEMATIC
DIAGRAM - 6
: -B SIGNAL LINE
: +B SIGNAL LINE
P1
L
TO
D-AMP CIRCUIT
(ZJ5901*)
IN SCHEMATIC
DIAGRAM - 20
G2
G1
HEATSINK*
G2
G1
HEATSINK*
VCC
VIN
VIN
GND
GND
+16.8V
-37V
+37V
GND
10
9
2
3
1
C5HACYY00004
IC5701
SWITCHING REGULATOR
3
1
2
B0ABSM000008
D5801
R5835
2.2K
2.2K
R5833
2.2K
R5832
18K
R5863
18K
R5862
1.8K
R5861
B1GBCFJN0038
QR5801
R5801
22K
D5804
R5800
15K
R5860
10K
R5864
10K
B1ADCF000001
Q5860
C5800
0.01
C5826
0.01
33K
R5702
33K
R5703
50V2200
C5805
50V2200
C5808
B0HFRJ000012
D5803
22
R5720
D5731
B0EAMM000057
3
2
1
D5702
B0ZAZ0000089
C5713
0.01
C5821
0.01
C5819
0.01
C5822
0.01
C5820
0.01
3.3K
R5805
15K
R5806
A
R
K
C0DAZYY00039
SHUNT REGULATOR
PCONT SWITCH
VOLTAGE REGULATOR
CURRENT
LIMITING SWITCH
FEEDBACK
IC5801
0.1
C5818
10K
R5803
100V0.1
C5817
82K
R5804
8.2K
R5814
0.1
C5810
10K
R5802
PCONT
PW_SYS3.3V
B1GBCFLL0037
QR5810
330
R5809
330
R5807
1K
R5730
B0BC6R100010
D5725
2.2K
R5808
4
3
1
2
B3PBA0000579
PC5720
FEEDBACK
B3PBA0000579
PC5701
R5810
330
R5817
330
4
3
1
2
120
R5724
3
1
2
B0ABSM000008
D5802
11
13
14
12
8
6
5
7
18
15
16
17
1
4
3
2
C5813
25V220
C5812
0.1
R5722
1.2K
C5722
1000P
C5721
220P
R5729
10K
R5728
100K
C5728
1000P
D5724
D5727
B0ACCK000012
B0ACCK000012
R5732
100
R5726
0.1
R5727
0.1
B1ABCF000176
Q5722
10K
R5721
D5722
B0BC019A0007
B0ACCK000012
D5723
C5720
0.1
D5721
J0JBC0000019
L5704
D5726
B0EAKM000117
D5729
B0EAMM000057
SWITCH
1K
R5723
B1ADCF000001
Q5721
B0ACCK000012
D5728
B1BABG000007
Q5720
D
C5726
0.1
C5730
1
C5724
D5732
B0BC035A0007
50V56
R5733
47K
C5725
0.1
C5723
470P
S
GND
FB
VCC
OLP/SS
OCP/BD
4
5
7
6
TEMPERATURE DETECT
B1GBCFJJ0051
Q5862
DC DETECT
B1ABCF000176
Q5861
TEMPERATURE DETECT
SWITCH
C5869
0.1
C5870
0.1
C5844
10
C5843
10
TH5860
D4CCY1040001
B0ACCK000012
B1GDCFGA0018
QR5802
R5841
120K
R5840
82K
DC DETECT
2.2K
R5834
R5837
2.2K
2.2K
R5836
G4DYZ0000060
MAIN TRANSFORMER
T5701
8
9
13
11
10
12
2
3
1
5
7
6
4
15
14
DC16V
PW_DC+16V
PW_DC+16V
PCONT
SMPS_ID
OUTP_GND
SYS3.3V
ECO_CTL
SYNC
DCDET2
TEMP_DET
+16V_GND
OUTP_GND
-35V_SENSE
+35V_SENSE
+35V_SENSE
-35V_SENSE
C5727
3300P
PCONT
C5831
0.1
C5896
0.1
R5701
1K
PW_SYS3.3V
SYNC
C5832
0.1
CN5802
R5865
390
CHASSIS GND
NOTE: “ * ” REF IS FOR INDICATION ONLY
B0BC01700015
TH5861
D4CCY1040001
TEMP_DET
C5900
10
R5898
10K
ECO_CTL
SWITCH
B1GDCFJJ0047
QR5812
SWITCH
B1GBCFJJ0051
QR5811
Q5899
B1ABGC000001
SHUNT REGULATOR
CONTROL
C5872
6.3V2200
C5871
0.01
R5868
22K
R5867
100K
R5866
22
TEMP_DET
ECO_CTL
3
4
1
2
6
5
CN5801
+35V_SENSE
SYS_GND
SYS_GND
-35V_SENSE
-35V_SENSE
+35V_SENSE
Содержание SA-AKX73P
Страница 13: ...13 5 General Introduction 5 1 Media Information ...
Страница 14: ...14 6 Location of Controls and Components 6 1 Remote Control Key Button Operation ...
Страница 15: ...15 6 2 Main Unit Key Button Operation ...
Страница 16: ...16 7 Installation Instructions 7 1 Speaker and A C Connection ...
Страница 25: ...25 9 1 2 Main P C B Front Side Fig 2 Main P C B Front Side ...
Страница 29: ...29 9 3 D Amp IC Operation Control ...
Страница 34: ...34 11 2 Main Components and P C B Locations ...
Страница 64: ...64 Step 3 Release 2 tabs Step 4 Remove the Rear Panel ...
Страница 80: ...80 ...
Страница 82: ...82 ...
Страница 124: ...124 ...