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SA-HT740P / SA-HT740PC / SA-HT740PX / SA-HT743P / SA-HT743PC / SA-HT940P / SA-HT940PC
5.2.
Power (Damp) Circuit (SA-HT740PX)
SCHEMATIC DIAGRAM-13
C
POWER(DAMP) CIRCUIT
: MAIN SIGNAL LINE
+50V
+30_VDD
H
+30_VDD
PGND_30
PGND_30
-30_VDD
-30_VDD
G
CN5050
FRONT L
17
AGND
16
FRONT R
15
AGND
14
SUBWOOFER
13
AGND
12
F
SURROUND L
B
11
TO
AGND
10
MAIN CIRCUIT
SURROUND R
9
(CN2011) on
AGND
8
SCHEMATIC
CENTER
7
DIAGRAM-12
MODE_S
6
MODE_F
5
FHOP
4
DGND
3
MUTE_CSW
2
MOD_DA
1
E
C5099
0.01
W4010
0
D
DC_DET
+12V
W4104
C
0
W6
0
W10
0
B
W4013
0
W4120
0
C5102
C5799
0.1
0.1
W4018
0
A
1
2
:+B SIGNAL LINE
:-B SIGNAL LINE
R5410 220
C5406 0.47
R5067 100
R5309 220
C5305 0.47
R5208 220
R5065 100
R5107 220
R5502 2.2K
C5504 50V2.2
R5506 22K
D5041 B0ACCK000005
R5057 4.7K
R5056 4.7K
Q5022
R5040 0
R5059 10K
C5022
16V47
B1ABCF000011
MUTING
L5021
(CENTER SW)
ELJPC220KFB
R5052 22K
Q5023
R5060 10K
B1ABCF000011
MUTING
R5051 22K
Q5025
R5062 10K
B1ABCF000011
K5001
MODE SELECTOR
0
C5603 50V2.2
R5601 2.2K
R5605 22K
L5023
ELJPC220KFB
D5010
B0ACCK000005
IC5004
IN
GND OUT
C0CBADE00023
1
2
3
TERMINAL
R5012 100
C5002
C5003
C5001
14
13
12
11
10
9
8
16V100
16V100
16V100
VCC
IC5010
C0JBAB000472
INVERTER
GND
1
2
3
4
5
6
7
R5014
R5011 10K
W4107 0
1M
C5019 47P
R5015
D5013
D5012
1M
B0ACCE000003
C5018 47P
B0ACCE000003
3
4
5
IC5001
RSN704D65-P
DIGITAL POWER AMP
LB5071
C5029
C5030
J0JKB0000020
63V47P
63V47P
1
CH6IN
+VCC_PRE
52
LB5072
J0JKB0000020
-30V
2
MUTE_5,6
-VCC_PRE
51
3
CH5IN
GND
50
L5309
ETQA15A150T
4
NC
CH6OUT
49
3
4
5
NC
CH5OUT
48
1
2
6
MUTE_3
-VCC5_6
47
7
CH3IN
+VCC5_6
46
8
GND
NC
45
9
CH4IN
NC
44
10
GND
+VCC3_4
43
11
GND
-VCC3_4
42
L5105
ETQA15A150T
12
CHMODE
CH3OUT
41
3
4
13
IN2
CH4OUT
40
1
2
(CENTER)
R5516 0
14
HICSUB
-PH2
39
R5514 0
15
PRIN
+PH2
38
R5519
37
16
PRMON
GND
L5503
8.2K
ETQA17A150T
MUTE/
17
+Vout2
36
3
4
PREN/STBY
18
AGND1/2
+Vcc2
35
1
2
19
CREF1/2
-Vout2
34
C5914
10V1
20
33
AVCC1/2
IC1SUB
L5601
ETQA17A150T
21
CLKCTL1/2
-Vout1
32
3
4
22
CLKIN1/2
+Vcc1
31
1
2
23
30
CLKMODE1/2
+Vout1
24
29
HICSUB
GND
R5074 4.7K
R5615 0
25
IN1 (SW)
+PH1
28
C5020 0.1
R5613 0
26
+Vdd1/2
-PH1
27
D5031 B0BC3R400001
CORRECTION
POINT
R5073 22K
R5072 2.7K
R5077 0
Q5014
B1ABCF000011
INVERTER
4
3
2
1
-VCC
C0ABBA000163
DUAL OP-AMP
+VCC
5
6
7
8
R5076 0
CORRECTION
POINT
R5094
1K
6
7
8
18
4
2
L5300
G0B9R5K00001
+30V
4
2
L5400
G0B9R5K00001
4
R5080 10K
2
R5079 10K
L5100
G0B9R5K00001
4
2
L5200
G0B9R5K00001
R5189 82K
C5097
50V10
R5197 10K
R5518 10K
W4718
R5627
Q5096
0
8.2K
B1ABCF000011
W4115
0
DC DETECT
R5070 4.7K
Q5095
B1ABCF000011
DC DETECT
R5071 0
Q5031
B1ADBL000010
INVERTER
C5033
0.1
R5038 220K
IC5002
Q5002
B1ABCF000011
DC DETECT
Q5001
B1ABCF000011
Q5015
DC DETECT
B1ADBL000010
VOLTAGE DETECT
SA-HT740PX POWER(DAMP) CIRCUIT
9
10
1 1
3
1
3
1
3
JK5400
1
GND
14
GND
13
SL-
12
SR-
11
FL-
10
FR-
9
C-
8
TO
SW-
7
SPEAKERS
SL+
6
SR+
5
FL+
3
4
FR+
3
C+
1
2
SW+
1
W4717
0
4
3
2
1
L5500
G0B9R5K00001
2
1
4
3
L5600
G0B9R5K00001
12
13
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