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SA-HT880GC / SA-HT880GCS / SA-HT880GS
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
CN2004
VGND
50
PY/Y/G
49
VGND
48
G
CB/PB/B
47
VGND
46
CR/PR/R
45
VGND
44
Y
43
VGND
42
C
41
ADAC5V
40
C2157 50V1
R2157 12K
MIXL
39
38
ADAC5V
C2257 50V1
R2257 12K
37
MIXR
ADACGND
36
C2156 1
R2156
10K
FL
35
ADACGND
34
C2256 1
F
FR
33
R2256
10K
ADACGND
32
C2300 16V10
SL
31
R2300 10K
ADACGND
30
C2400 50V10
R2400 10K
SR
29
ADACGND
28
C2500 16V10
R2500 10K
TO
CENTER
27
DVD MODULE
ADACGND
26
CIRCUIT
C2600 1
R2600 10K
(FP8101)on
SUBW
25
SCHEMATIC
VREF
24
DIAGRAM-1
ZFLAG
23
DGND
22
E
AUDIO
Q2028
21
DIGITAL
B1GBCFJN0033
DGND
20
Muting Switch
19
D+5V
18
DGND
R2895
D+5V
17
10K
DGND
16
D+5V
15
L2028
AGND
14
J0JBC0000019
D+5V
13
AGND
12
D+1.2V
11
DGND
10
D
C2053
D+1.2V
9
0.01
DGND
8
M+9V
7
MGND
6
C2813
M+9V
5
16V220
MGND
4
DSPCLK
3
CMD
2
STATUS
1
C
B
A
1
2
:+B SIGNAL LINE
:-B SIGNAL LINE
:MAIN SIGNAL LINE
H2000
TRY OPEN
1
TRY OPEN
TRY CLOSE
2
TRY CLOSE
TRAY CCW
PY
3
TRAY CCW
R2803 2.2K
VREF+
4
VREF+
CB B
D2041
D2042
5
GND1
B0EAKM000117
B0EAKM000117
6
M+9V
TRAY CW
CR R
7
TRAY CW
S Y
S C
R2804
2.7K
DVD A+5V
DVD MIXL
Q2030
BRAKE H
B1GBCFJN0033
Motor Drive
DVD MIXR
DVDFL
R2192
C2278
220P
56K
DVDFR
R2292
C2178
220P
56K
DVDSL
CN2002
DVDSR
1
PORT SEL
TUN CLK
2
TUNER CLK(CLOCK)
TUN DI
DVDCNT
3
TUNER DI(DATA)
TUN SD
4
TUNER SD(TUNED)
R2100 1K
C2102 0.039
TUN L
SUBW
5
TUNER LCH
TUN DO
6
TUNER DO/ST(STEREO)
R2200 1K
C2202 0.039
TUN R
7
TUNER RCH
8
T+9V
9
VCC M+9V
10
TUNER GND
DVD MUTE
R2269
5.6K
DVD D+5V
R2169
5.6K
D+1.2V
M+9V
DVD CLK
DVD CMD
DVD STAT
C2623
R2122
47P
22K
C2625
R2120
0.01
22K
C2624
C2110
R2121
22K
0.12
100P
14
13
12
11
10
9
-VCC
+VCC
1
2
3
4
5
6
R2221
C2622
C2114
22K
100P
100P
C2215
0.01
R2220
22K
C2213
R2222
47P
22K
3
4
:DVD(VIDEO) SIGNAL LINE
:FM/AM SIGNAL LINE
TO
TRAY LOADING
C2206 50V4.7
LINE R
CIRCUIT
(CN901)on
SCHEMATIC
DIAGRAM-9
Q2100
B1GFGCAA0001
Muting Switch
C2106 50V4.7
LINE L
R2106
R2208
R2108
2.7K
2.7K
1K
C2099
R2874
50V4.7
56K
Q2026
B1GDCFGA0018
Muting Control
R2872
1K
MUTE L
TO
TUNER
PACK
DVD MIXL
DVD MIXR
R2111
C2112
R2211
33K
470P
33K
EXT L
EXT R
DVDCNT
DVDSL
DVDSR
SUBW
-7.5V
C2109
47P
C2703
R2118 22K
50V1
R2119 2.2K
8
IC2016
C0ABCB000052
Buffer Amp
7
R2219 2.2K
R2218 22K
C2209
47P
+7.5V
5
6
7
58
-7.5V
R2207
R2206
+7.5V
100K
1K
C2818 220P
R2107
C2207
100K
50V3.3
C2816 220P
C2107
50V3.3
60
59
58
57
56
55
54
53
52
51
50
49
R2873
27K
TV L
61
INA1
TV R
62
INA2
VCR L
63
INB1
VCR R
64
INB2
AUX L
65
INC1
AUX R
66
INC2
TUN L
67
IND1
TUN R
68
IND2
69
INE1
70
INE2
IC2011
C1BB00000845
C2212
71
AGND
470P
ASP IC
72
EXM1
73
EXM2
74
AGND
75
INFLA
76
INFRA
77
INCA
78
INLSA
79
INRSA
80
INSUBA
1
2
3
4
5
6
7
8
9
10
11
12
C2169 470P
C2301 470P
R2170 2.7K
R2978 10K
R2301 3K
R2402 10K
R2401 3K
R2302 10K
C2402 470P
C2227 1
C2127 1
C2121
150P
DVDFL
R2112
R2113
C2123
10K
10K
50V10
C2122
390P
C2222
390P
C2223
50V10
R2212
R2213
10K
10K
C2221 150P
8
9
10
+7.5V
48
47
46
45
44
43
42
41
FW4
40
OUTFL
39
FOUT3
38
FW3
37
OUTFR
36
MIX IN
35
AGCR
34
AGCC
33
GAOUT
32
FW2
31
FOUT2
30
FW1
29
FOUT1
28
OUTC
27
OUTCN
26
OUTLS
25
OUTLSN
24
OUTRS
23
OUTRSW
22
OUTSUB
21
13
14
15
16
17
18
19
20
R2521
0
C2124
R2115
100P
27K
IC2010
C0ABBB000118
R2114
C2125
Buffer Amp
10K
33P
+7.5V
5
6
7
8
C2126
0.01
C2226
0.01
4
3
2
1
-7.5V
C2225
R2214
33P
10K
C2224
R2215
100P
27K
SA-HT880GC/GCS/GS MAIN CIRCUIT
11
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