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SA-HT670PC
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
: +B SIGNAL LINE
C2503
0.033
C2504
0.22
C2506
0.01
R2506
47K
R2407
100
C2404
50V3.3
R2615 100K
R2614
1K
C2612 50V4.7
C2613
0.01
C2162 0.033
R2144 3.9K
C2149 1
C2262 0.033
C2249 1
R2244 3.9K
C2610 50V10
R2613 3.3K
R2503 3.3K
C2502 50V10
C2027
6800P
C2302 1
R2305 1K
C2403 1
R2405 1K
C2264 10V4.7
R2264 12K
R2919 10K
C2905
47P
R2164
12K
IC2013
C0AABB000055
Headphone Amp
C2906
47P
R2920
10K
C2254
0.01
C2150
50V1
DVD
D+5V
IC2002
IC2001
C0DBAZG00033
C0DBAZG00033
DC-DC Convertor
DC-DC Convertor
1
2
3
4
5
R2898
R2860
560
4.7K
C2053 1
R2899
R2900
1K
1K
L2012
G0A101G00022
C2052
C2054
R2917
C2058
6.3V820
25V220
10K
100P
: MAIN SIGNAL LINE
: - B SIGNAL LINE
R2504
C2505
R2505
4.7K
50V1
1K
R2508
1.8K
Q2500
B1GDCFGA0014
Muting Control
5
6
7
8
IC2015
KIA4558FEL
R2509
Buffer Amp
56K
R2618
R2307
4
3
2
1
1K
100
C2615
C2616
C2303
5600P
R2511
50V10
50V3.3
2.2K
R2510
C2508
R2616 22K
27K
50V4.7
R2617 47K
R2624 100K
R2406
R2311
R2312
100K
2.2K
2.2K
R2255
100K
Q2104
B1GFGCAA0001
R2306
100K
Muting Switch
C2250
R2245
R2246
C2253
R2247
R2249
50V1
6.8K
33K
16V100
22
22
C2252
C2154
R2251
C2024
3900P
390P
0.01
R2248
R2250
4.7K
22
22
C2251
100P
5
6
7
8
C2255
1000P
R2148
R2150
4
3
2
1
22
22
C2151
C2152
C2153
R2147
R2149
100P
390P
16V100
22
22
C2023
3900P
R2146
33K
C2155
R2151
R2153
R2145
6.8K
1000P
4.7K
10
M+9V
C2821
1
C2063
10V47
C2062
1
1
2
3
1
2
3
4
5
L2019
L2014
IC2005
G0A101G00022
G0A100G00005
C0DBEFG00003
Regulator
R2816 3.9K
6
5
4
C2060 1
R2815
R2818
C2061
C2817
330
2.7K
6.3V820P
16V10
R2813
1K
R2619
2.2K
R2620
R2308
1.8K
1.8K
Q2600
Q2103
B1GDCFGA0014
B1GDCFGA0014
Muting Control
Muting Control
Q2601
B1GFGCAA0001
Muting Switch
R2621
R2309
56K
56K
R2623
100K
R2622
C2617
R2310
C2170
27K
50V4.7
27K
50V4.7
R2323
100K
Q2300
R2322
B1ABEB00001
33K
R2912
Muting Switch
R2254
2.2K
R2168
2.2K
R2167
R2903
56K
27K
27K
C2824
C2168
Q2200
50V4.7
50V4.7
B1GFGCAA0001
Q2105
Muting Switch
B1GDCFGA0014
R2905
Muting Control
56K
R2154
Q2301
2.2K
R2166
R2909
B1GDCFGA0014
1.8K
1.8K
Muting Control
R2155
100K
MUTE F
R2253 10
HP R
R2252
R2267
2.7K
R2268
56K
27K
C2267
Q2102
50V4.7
B1GFGCAA0001
Q2201
Muting Switch
B1GDCFGA0014
Muting Control
C2228
R2219
50V10
12K
R2152
2.7K
R2266
1.8K
R2226
100K
D2032
Q2101
B0ADCJ000020
B1GFGCAA0001
2
Muting Switch
3
1
R2859
4.7K
2
C2128
3
50V10
1
R2858 39K
D2039
B0ADCJ000020
R2857 15K
R2118 22K
Q2025
B1GBCFJA0015
DC Detect Switch
N
C2089
50V4.7
R2877 1.8K
64
R2514
R2512
10K
10K
C2173
R2176
0.22
47K
R2513
27K
C2827
C2268
R2275
C2511
C2509
0.01
0.22
47K
9P
330P
8
9
10
11
12
13
14
-VCC
+VCC
7
6
5
4
3
2
1
C2305
C2304
18P
22P
R2315
C2269
R2273
22K
0.022
47K
R2319
R2314
22K
22K
C2174
R2174
0.022
47K
C2826 0.01
R2316
47K
C2829
0.1
8
7
6
5
4
3
2
1
Z0
Z
ZI
Y0
Y1
IC2022
C0JBAR000292
Signal Select
C
B
A
X0
X1
X
Y
9
10
11
12
13
14
15
16
R2914 47K
C2828 0.1
R2913 470
D2101
B0BC5R000009
C2230
R2220
R2224
C2229
0.15
12K
R2223 10K
10K
6800P
R2218
22K
R2222 22K
C2233 0.01
R2225 2.2K
C2231
C2232
C2234
C2235
47P
100P
100P
47P
8
9
10
11
12
13
14
-VCC
R2126 100K
R2125
2.2K
+VCC
R2119
7
6
5
4
3
2
1
12K
C2131
C2132
C2134
C2135
C2129 3300P
C2130
R2120
47P
100P
100P
47P
0.15
12K
R2875 27K
R2122
22K
R2124
C2800 50V4.7
10K
R2123
10K
Q2027
B1GDCFGA0014
C2133
Muting Control
0.01
C2512
4.7
IC2021
C0ABCB000052
Buffer Amp
C2306
0.022
EXT R
FR OUT
FL OUT
R2175
R2274
100K
100K
EXT L
SSS SUR
R2320 22K
SFC SUR
R2221 1.2K
FR OUT
IC2012
C0ABCB000052
Buffer Amp
R2121 1.2K
R2321 22K
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