Schematic Diagram - Digital Board (2/4) - Sony STR-DA5300ES Service Manual

6-22. SCHEMATIC DIAGRAM – DIGITAL Board (2/4) –
1 2 3
DIGITAL BOARD (2/4)
A
B
C
D
C2295 10 50V
C2296 10 50V
C2303 10 50V
C2304 10 50V
E
F
G
R2298
C2271
22 50V(US,CND)
R2296
C2276
220 16V(AEP,UK)
2700p 8.2k
H
R2295
R2293
1k
15k
C2275
270p
I
C2274
1000p
15
C2273 R2294
22 50V(US,CND) 100
220 16V(AEP,UK)
J
K
STR-DA5300ES
• See page 127 for IC Block Diagrams.
4 5 6
C2280
0.1
C2279
R2303
C2288
100 16V(US,CND)
10k 0.1
470 6.3V(AEP,UK)
IC B/D
48 47 46 45 44 43 42 41 40 39 38 37
1 36
ZERO1 ML
2 ZERO2 MC 35
3 34
ZERO3 IC2218 MDI
4 33
ZERO4 MD0
D/A CONVERTER
5 32
ZERO5 ZERO8
IC2218
6 ZERO6 DATA4 31
PCM1609APT
7 30
NC ZERO7
8 29
NC NC
9 28
VOUT6 VCC1
10 VOUT5 AGND 27
11 26
VOUT4 VCC2
12 25
VOUT3 SGND
13 14 15 16 17 18 19 20 21 22 23 24
C2272 C2277
C2281 C2284
470 10
0.1 0.1
16V
50V
C2316
C2314 C2282 C2278
10 10 10 10
50V 50V
50V 50V
R2313
100k
100k R2299 100k
C2293
R2301 C2285
R2312
8.2k 2700p 2700p
8.2k
IC2219
R2302 R2307 R2309
R2304
1k
1k
15k
LOW-PASS FILTER 15k
IC2219
NJM4565M(TE2)
C2283 C2292
1000p 270p
-14.9
5 4
VEE
C2291
0 0
6 3
1000p
0 0 0
7 2
C2286
0 270p 15
8 1
VCC
R2305
R2308
100
100
7 8 9
R2306
1k
R2310
100
C2289
100p
R2384
10k
R2311
100
C2290
0.1
C2294
0.1
C2287
0.1
FB2213
R2323
R2314
100k
100k
C2298
R2315 C2302 R2322
2700p
8.2k 2700p 8.2k
IC2220
R2316 R2317
R2319 R2321
1k 15k
15k 1k
LOW-PASS FILTER LOW-PASS FILTER
IC2220
NJM4565M(TE2)
C2297
C2301
1000p 270p
-14.9
5 4 5
VEE
C2300
0
6 3 6
1000p
0 0
7 2 7
C2299
270p
0 15
8 1 8
VCC
R2318
R2320
100
100
CN2207
16P
1 3 4 5 6 7 8 9 10 11 12 13 14 15 16
MAIN
F BOARD
(1/4)
CN1001
(Page 48)
55 55
10 11 12 13
R2324
R2342
100k
100k
C2306
C2311 R2338
R2325
2700p
2700p 8.2k
8.2k
IC2221 IC2222
R2336
R2326 R2337
R2327
15k
1k 1k
15k
LOW-PASS FILTER
IC2221
NJM4565M(TE2) NJM4565M(TE2)
C2310
C2305
270p
1000p
-14.9
4 5
VEE
0
3 6
0 0
2 7
C2307
270p
0 15
1 8
VCC
R2328
R2333
100
100
STR-DA5300ES
14 15 16
DATA3
DATA2
DATA1
D3.3V
LRCK
BCK
2
DGND
DIGITAL
BOARD
(1/4)
(Page 54)
COM1_CLK
COM1_DATA
DATA4
DA_RESET
DA_LAT
6
COM1_CLK
COM1_DATA
DIGITAL
DA_DO
BOARD
(4/4)
AGND
(Page 57)
D3.3V
MCK
5
DGND
A+5V
DIGITAL
BOARD
A+12V
(3/4)
A-12V (Page 56)
R2344
100k
R2347 C2318
8.2k
2700p
R2349
R2354
1k
15k
IC2222
C2317
1000p
-14.9
4
VEE
3
0
2
C2319
270p
0
1
VCC
FB2212
FB2214
R2355
100