Schematic Diagram - Main Board (5/5) - Sony STR-KS370 Service Manual

5-12. SCHEMATIC DIAGRAM - MAIN Board (5/5) -

1 2
A
MAIN BOARD (5/5)
B
C
MAZ8150G0LS0
SL2001
TP2007 DC_DET
DC_DET
C2196
Q2019
0.1
2SC3052EF-T1-LEF
Q2018
3.4
0 2SC3052EF-T1-LEF
R2147
0.7 10k
0
0
C2204
D
0 2.2
C2205 R2149
0
2.2 4.7k
Q2020
2SC3052EF-T1-LEF
R2148
22k
Q2021
2SC3052EF-T1-LEF
R2150
10k
E SL2002 R2152
13
MAIN
F
BOARD
(3/5)
(Page 21)
G
H
TP2003
SC_SD
TP2004
SC_RESET
I
J
32
STR-KS370
• See page 33 for IC Block Diagrams.
3 4 5
C2213 C2212 C2210 C2156
3300p 3300p 0.01 2200p
D2126
C2209 C2208 C2157 C2211
R2146
2200p 2200p 2200p 0.01
10k
Q2017
R2098 R2111
3.4 2SC3052EF-T1-LEF
100k 100k
0
R2097
100k
R2099 R2113
100k 100k
R2140 C2197
100k 2.2 15.9 15.8 15.8 15.8
15.9 15.8
C2073 15.8 C2072 15.8
2.2 10
JL2076 JL2077 JL2046 JL2045
R2141 0 0 0 0
Q2010 Q2009 Q2011 Q2012
0
0
ISA1235AC1TP-1EF ISA1235AC1TP-1EF ISA1235AC1TP-1EF ISA1235AC1TP-1EF
0
C2297 C2278
0.6 C2338 C2339
2200 2200
0.1 0.1
35V 35V
C2206
10
R2151 C2229 C2228 R2193 R2195 C2227 C2222 C2226 C2225 R2189 R2190 C2224
CL2005
100k 2200p 2200p 3.3 3.3 2200p 2200p 2200p 2200p 3.3 3.3 2200p
47k
E
JL2113 JL2114 JL2116 JL2121 JL2104 JL2106 JL2108
EB2000
C2268
C2288 1 C2289 1 C2266 1
2 4 2 4
L2012 L2007
IC B/D
10uH 10uH
1 3 1 3
IC2007
C2283 100 35V C2293 100 35V C2260 100 35V C2273
DIGITAL
C2328 0.1 C2331 0.1 C2325 0.1 C2327
POWER AMP
C2295 C2258
IC2007
C2281 0.033 0.033 0.033 C2275
CXD9981TN
31.8 31.9
12.0 83.7 74.0 74.4 31.9 85.0 85.2 31.9 75.0 74.8 31.9 31.9
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
12.0 3.3 3.3
3.4 1.7 3.4 1.7 1.1 1.7 3.4 1.7
R2205
0
C2307
R2207
0.1
22k
C2308
0.1
R2209 R2210
0 0
R2145 JL2128
100
C2046
0.01
R2128 R2129 R2100 R2101
100 100 100 100
30 29 28 27
6 7 8 9
C2214 C2175 C2155
3300p 2200p 2200p
C2176 C2215 C2217
2200p 3300p 3300p
E
CL2002
R2083 R2125
100k 100k
R2112 EB2003 R2084
100k 100k
R2085 R2127
100k
15.8 15.8 15.8
15.8 15.8
C2071 15.8 C2070
2.2
JL2049 JL2050 JL2047
0 0 0
Q2007 Q2008 Q2013
ISA1235AC1TP-1EF ISA1235AC1TP-1EF ISA1235AC1TP-1EF
C2298 C2279
C2336
2200 2200
0.1
35V 35V
C2223 C2285 C2286 R2192 R2194 C2291 C2292 C2262 C2264 R2188
2200p CL2007 2200p 2200p 3.3 3.3 2200p 2200p 2200p 2200p 3.3
E
JL2111 JL2112 JL2115 JL2117 JL2120 JL2105 JL2107
EB2005
1
C2287 1 C2290 1 C2265 1
2 4
L2013
IC B/D
10uH
1 3
IC2006
100 35V C2284 100 35V C2294 100 35V C2259 100 35V
DIGITAL C2330 0.1 C2324 0.1
0.1 C2329 0.1
POWER AMP
C2296 C2257
IC2006
0.033 C2282 0.033 0.033 0.033
CXD9981TN
12.0 83.4 31.8 31.9 72.0 74.6 31.9 85.5 85.2 31.9 75.0
84.6
12.0
26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
3.3
12.0 12.0 12.0 3.3 1.7 3.4 1.7 1.1 3.3 1.7
R2204
0
R2206
C2306
0.1
22k
C2303 C2309
0.1
0.1
C2316
0.1
C2319
R2208 R2211
0.1
0 0
R2028 R2087 R2088 R2072
0 100 100 100
31 33 34
15
MAIN
BOARD
(4/5)
(Page 22)
23 23
10 11 12
C2216 C2092 C2218 C2067
2200p 2200p
3300p 3300p
C2154 C2219 C2091 C2221
2200p 3300p 2200p 3300p
R2067 R2053
100k 100k
R2126 R2068
100k 100k
R2069
100k 100k
15.8 15.8 15.8
15.8 15.8
15.8 C2069 15.8
2.2 2.2
JL2048 JL2053 JL2078 JL2052
0 0 0
Q2014 Q2005 Q2006 Q2003
ISA1235AC1TP-1EF
ISA1235AC1TP-1EF ISA1235AC1TP-1EF ISA1235AC1TP-1EF
C2255 C2240
C2333 C2335
2200 2200
0.1 0.1
35V 35V
R2191 C2269 C2271 C2244 C2246 R2166 R2177 C2250 C2252 C2232 C2233
3.3 2200p 2200p CL2004 2200p 2200p 3.3 3.3 2200p 2200p 2200p 2200p
E
JL2109 JL2110 JL2094 JL2095 JL2097 JL2100 JL2088
EB2004
1 1 C2234
C2267 1 C2247 C2249
2 4 2 4
L2006 L2003
10uH 10uH
1 3 1 3
C2272 100 35V C2242 100 35V C2253 100 35V C2231
C2326 0.1 C2322 0.1 C2323 0.1 C2320
C2254 C2230
C2276 0.033 C2241 0.033 0.033 0.033
75.8 31.9 31.9 85.4 12.0 82.0 31.9 31.9 72.4 74.6 31.9 83.6 83.0 31.9 73.0
12.0
28 27 26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 33 32 31
17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14
3.3
3.4 1.7 12.0 12.0 12.0 3.3 1.7 3.3 1.7 1.1 3.3
R2164
0
R2165
C2243 22k
0.1
C2302 C2256
0.1
0.1
C2317
0.1
C2318
R2187 R2178
0.1
0 0
R2073 R2026 R2057 R2058
100 0 100 100
35 36 32 37 38
STR-KS370
13 14 15
TB2001
-
CENTER
+
-
SUBWOOFER
+
TB2002
-
L
SPEAKER
+
SURROUND
-
R
+
-
L
+
FRONT
-
R
+
C2220
3300p
C2066
2200p
CL2003
E
EB2002
R2054
100k
R2055
100k
15.8 15.8
C2068 15.8
2.2
JL2051
0 0
Q2004 CN2002
ISA1235AC1TP-1EF 4P
CL2010
SMPS
4
31.5V
F
BOARD
3
31.5V
C2337 C2033 R2155
CL2009
0.1 0.1 100k 2 CN904
P-GND
1 (Page 32)
P-GND
R2160 R2161 C2236 C2237
3.3 3.3 2200p 2200p
CL2008
E
JL2089 JL2090 JL2091
EB2001
1 C2235 1
2 4
L2000
IC B/D
10uH
1 3
IC2005
100 35V C2238 100 35V
0.1 C2321 0.1 DIGITAL
POWER AMP
C2239 0.033 IC2005
CXD9981TN
73.7 31.9 31.9 83.0
12.0
30 29 28 27 26 25 24 23
15 16 17 18 19 20 21 22
1.7 3.3 1.7 12.0 12.0
C2270
0.1
C2251
0.1
C2263
0.1
C2345
100
16V
MAIN
4
FB2002
BOARD
A12V
(2/5)
(Page 20)
R2042 R2043 R2024
100 100 0
39 40 41