Table of Contents
Advertisement
SA-HT720GCP
SCHEMATIC DIAGRAM-6
MAIN CIRCUIT
: +B SIGNAL LINE
IC2004
IC2000
C0CBADG00023
C0CBADG00023
Regulator
Regulator
3
2
1
3
2
1
L2011
DVD D+5V
G0A100G00005
DVD A+5V
D2008
B0BC7R500001
M+9V
DVD AC
Q2011
D+1.2V
B1ADCF000001
Power Supply
C2063
10V47
R2819 1
1
2
3
VIN
BIAS
VOUT
R2820 1
IC2005
R2821 1
C0DBEFG00003
Regulator
VREF
R2822 1
6
5
4
R2813
R2823 1
1K
R2815 330
Q2017
B1BCCD000016
Regulator
-7.5V
+7.5V
Q2015
C2069
R2836
R2837
KTA12710YTA
0.01
2.7K
560
Regulator
-VP
C2067
R2831
R2832
C2070
0.01
150
4.7K
16V100
Q2016
C2066
D2014
B1ADCF000001
50V100
B0BC02900004
Regulator
C+9V
+12V
Q2022
Q2021
R2846
2SD21370PA
B1AAKD000009
820
Regulator
SW5V
Regulator
C2084
C2086
R2845
R2847
0.01
0.01
150
470
C2083
D2025
C2085
D2026
16V100
B0BC5R600003
25V100
B0BC7R500001
D2027
B0ECKM000016
SUB B
R2857 15K
R2858 39K
T+9V
C2089
50V4.7
N
Q2025
DCDET
B1GBCFJA0015
DC Detect Switch
DVD AC
R2859 4.7K
: -B SIGNAL LINE
: MAIN SIGNAL LINE
IC2002
IC2001
C0DBAZG00033
C0DBAZG00033
DC-DC Converter
DC-DC Converter
C2053
1
1
2
3
4
5
1
2
3
4
5
L2019
G0A101G00022
R2898
R2860
560
4.7K
C2060 10V1
R2899
R2900
1K
1K
R2816 3.9K
L2012
G0A101G00022
D2009
D2011
C2061
B0JCPD000025
B0JCPD000025
6.3V820P
L2013
G0A100G00005
L2014
G0A100G00005
C2062
C2817
D2010
D2012
R2824
1
16V10
B0BC7R500001
C2056
D2013
B0ACCK000005
820
25V33
B0BC9R000008
Q2013
B1ABCF000131
Q2014
R2826
B1GDCFGA0014
Regulator
1.2K
Stabilizer
C2057
R2825
0.01
10K
R2827
2.7
R2828
2.7
Q2012
R2829
2.7
B1BCCG0000021
R2830
2.7
Regulator
C2074 63V100
R2835
4.7
C2075 50V100
R2834
2.7K
C2076
FP2000
D2015
D2016
D2017
D2018
D2019
25V
2A
B0EAKM000117
B0EAKM000117
B0EAKM000117
B0EAKM000117
B0EAKM000117
1000P
C2071
C2072
C2073
D2020
63V100
50V100
25V1000P
B0EAKM000117
D2023
B0FBAM000010
C2080
D2024
25V
B0ECKM000016
4700
L2018
G0A100G00005
C2082
L2017
C2077
50V47
0.1
G0A100G00005
D2021
R2839
B0ACCK000005
820
R2849
C2078
D2022
4.7
25V33
B0BC9R000008
Q2019
B1ABCF000131
R2848
Q2020
Regulator
R2840
1.8K
B1GDCFGA0014
1.2K
Stabilizer
C2079
R2838
0.01
10K
R2841
2.7
R2842
2.7
Q2018
R2843
2.7
B1BCCG000021
R2844
2.7
Regulator
Q2023
R2850
2SD21370PA
R2853
D2034
8.2
Regulator
4.7
B0ECKM000016
C2095
C2088
R2920
R2852
C2081
16V10
0.01
12K
12K
50V220
E2000
C2171 K4CZ01000027
R2851
0.1
C2087
D2029
100
16V100
B0BC01000014
KEY2
JOG B
JOG A
BLUE LED
VREF+
RMT
HP L
HP R
EPM
R2032
220
JK2000
1
DVDAC2
DC DET
2
DCDET
3
DVDAC1
SYS6V
4
SYS6V
MUTE H
5
MUTE H
6
DGND
FRONTR
7
FRONTR
SUB+B
8
SUB+B
9
OUTPUT GND
10
OUTPUT GND
FRONTL
11
FRONTL
RSURR
12
SURRR
TO
13
GUARD GND
ACTIVE
LSURR
SUBWOOFER
14
SURRL
UNIT
CENTER
15
CENTER
SB-WA720GCP-S
16
GUARD GND
SUBWOOFER
17
SUBWOOFER
18
GUARD GND
PCONT
19
PCONT
FREQ HOP
FREQ HOP
20
(HT920 ONLY)
SYNC
21
SYNC
FL1
22
FL1
23
SUBAC1
FL2
24
FL2
25
SUBAC2
C2830 0.1
26
CASE GND
50
R2974
0
DISC2
R2975
0
DISC1
CN2008
1
KEY2
FL2
2
JOG B
SW5V
3
JOG A
FL1
4
BLUE LED
FLD DA
TO
5
VREF+
HEADPHONE
FLD CK
CIRCUIT
6
GND1
FLD CS
(CN6801)ON
7
RMT
SCHEMATIC
8
HP L
DIAGRAM-7
FLD RST
9
HPGND
-VP
10
HP R
KEY1
STBY LED
MIC
DISC3
DISC4
DISC5
C+9V
SA-HT720GCP MAIN CIRCUIT
CN2009
1
FL2
2
SW5V
3
FL1
4
FLD DA
5
FLD CK
6
FLD CS
7
FLGND
8
FLD RST
-VP
9
10
GND1
TO
11
KEY 1
FL CIRCUIT
STBY LED
12
(CN6901)ON
13
DISC1
SCHEMATIC
DIAGRAM-7
14
DISC2
15
DISC3
16
DISC4
17
DISC5
18
19
C+9V
20
21
22
Advertisement
Table of Contents
