Table of Contents
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SCHEMATIC DIAGRAM-7
MAIN CIRCUIT
:+B SIGNAL LINE
:MAIN SIGNAL LINE
DC DET
JOG B
JOG A
R2056
R2058
R2057
47K
56K
47K
R2059 220
FLD DA
81
FLD DA
82
NC
83
NC
84
NC
85
NC
86
KEY3(CATER)
R2060 100
FLD RST
87
FLD RST
R2061 220
FLD CS
88
FLD CS
R2062 220
FLD CLK
89
FLD CK
90
NC
R2064
100
KEY2
91
KEY2
R2080 10K
92
NC
R2065 10K
93
DES3
R2066 10K
94
MODEL SEL
R2067 10K
95
DES1
R2068 10K
96
AVSS
R2072
100
KEY1
97
KEY1
98
VREF
99
AVCC
100
NC
R2069
R2070
R2071
10K(GC/GS)
820
4.7K
3.3K(GCS)
R2076 100K
R2077 4.7K
R2000 220
TRY CLOSE
R2001 220
TRAY CCW
R2002 220
TRAY CW
R2003 220
TRY OPEN
R2006 220
BRAKE H
C2001
0.1
D2000
B0ACCE000003
SYS6V
Q2000
D2002
R2083
B0ACCE000003
680
B1GBCFLL0037
D2001
Reset Switch
B0ACCE000003
C2006
50V2.2
C2003
C2004
D2003
C2005
10V22
0.01
10V1000
B0ACCK000005
34
35
36
R2050 220
R2051 220
R2052 220
R2053 220
C2000
R2054 220
0.1
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
IC2018
C2CBHG000190
System Control
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
R2017
10K
X2000
H2B100500004
R2008
10MHz
R2079
10K
22K
OUT
IN
R2011
47K
GND
R2078
470
L2000
G0C3R3JA0027
R2082
47K
C2007
C2008
C2009
0.1
0.1
6.3V100
37
38
39
R2043 220
R2085 0
R2897
1K
R2041 220
R2040 220
R2039 220
57
56
55
54
53
52
51
Q2029
B1GBCFJN0033
LED Drive
SCART MUTE
50
R2037 1K
VOL CLK
49
R2036 1K
VOL DA
48
MUTE L
47
R2035 220
YC H
46
R2034 220
RGB H
45
R2033 220
DVD MUTE
44
HP MUTE
43
MUTE SUB
42
R2032 220
EPM
41
MUTE C
40
MUT FRNT
39
R2031 220
WIDE1
38
R2030 220
DVD CLK
37
R2029 220
DVD STAT
36
R2028 1K
R2073 0
DVD CMD
35
MUTE S
34
R2027 220
CLK
33
R2026 220
Rx
32
R2025 220
Tx
31
R2021
R2022
R2023
R2861
R2074
47K
47K
10K
10K
2.7K
24
25
26
27
28
29
30
R2019 220
R2018 220
R2016 220
R2014 220
R2013 220
R2012 220
R2007 1K
C2020
R2094
1
2
3
4
330P
22K
IC2019
C3EBEG000072
EEPROM IC
(Not Supplied)
8
7
6
5
R2092
4.7K
C2019
330P
40
41
61
SA-HT880GC / SA-HT880GCS / SA-HT880GS
E2000
C2840
K4CZ01000027
0.1
CN2008
KEY2
1
KEY2
JOG A
2
JOG A
JOG B
3
JOG B
4
NC
5
VREF+
6
GND1
7
RMT
HP L
8
HP L
9
GND1 HPGND(AGND)
HP R
10
HP R
VOL CLK
CN2009
R2904 0
VOL DA
+7.5V
1
+7.5V
SW5V
MUTE L
2
SW5V
3
NC
R2903 0
4
MICGND(AGND)
5
MICGND(AGND)
MIC
DVD MUTE
6
MIC
7
NC
HP MUTE
STBY LED
8
STBY LED
MUTE SUB
KEY1
9
KEY1
10
GND1
-VP
11
-VP
MUTE C
FLD RST
12
FLD RST
MUT FRNT
13
GND1 FLGND(DGND)
FLD CS
WIDE1
14
FLD CS
FLD CLK
15
FLD CLK
DVD CLK
FLD DA
16
FLD DA
DVD STAT
17
FL1
DVD CMD
18
SW5V
19
FL2
MUTE S
TUN DI
TUN CLK
TUN DO
JK2000
TUN SD
K1FB125B0097
1
DVDAC2
DC DET
2
DCDET
3
DVDAC1
SYS6V
4
SYS6V
MUTE H
5
MUTE H
6
DGND
FRONTL
7
FRONT L
SUB+B
8
SUB+B
9
OUTPUT GND
10
OUTPUT GND
FRONTR
11
FRONT R
LSURR
12
SURR L
13
NC
RSURR
C2021
R2093
C2022
14
SURR R
330P
22K
0.022
CENTER
15
CENTER
16
GUARD GND
SUBWOOFER
17
SUBWOOFER
18
GUARD GND
19
PCONT
20
NC
21
SYNC
22
FL1
23
SUBAC1
24
FL2
25
SUBAC2
26
CASE GND
C2845
0.1
SA-HT880GC/GCS/GS MAIN CIRCUIT
42
43
44
G
TO
VOLUME
CIRCUIT
(CN6032)on
SCHEMATIC
DIAGRAM-8
F
TO
FL
CIRCUIT
(CN6008)on
E
SCHEMATIC
DIAGRAM-8
D
C
TO
B
ACTIVE
SUBWOOFER
UNIT
SB-WA880GC-S
A
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