Schematic Diagram - Digital Audio Section (1/2) - Sony STR-DG820 Service Manual

STR-DG820

6-20. SCHEMATIC DIAGRAM - DIGITAL AUDIO Section (1/2) -

1 2 3 4
DIGITAL AUDIO BOARD (1/2)
A
CN2221
13P
C2426
JL2633
0.01
GND 1
NC 2
R2389
JL2634
10
MIC 3
B
JL2635 C2427
0.01
GND 4
R2388
JL2636
10
BCK 5
Y
GND 6
JL2637 R2390
10
LRCK 7
MICOM R2394
JL2638
10
BOARD
SD3 8
R2393
CN7004 JL2639
10
SD2 9
R2392
(Page JL2640
10
SD1 10
R2391
JL2641
37) 10
SD0 11
C
GND 12
R2387
JL2642
10
SPDIF 13
IC B/D
+3.3V REGULATOR
D
1
CN2208
8P
JL2746
D6.2V 1
NC 2
JL2747
Z
D6.2V 3
JL2748
D4V 4
E
JL2749
DCDC 5
D4V
BOARD
JL2750
CN4104
GND 6
JL2751
(Page
GND 7
JL2752
C2428
45) 8
GND 22
50V
F IC2201
DIGITAL OPTICAL C2210
IC2201
RECEIVER 47
TORX147L R2214
JL2596 25V 470
VCC
1
JL2597
TV
OUT
OPTICAL IN 2
JL2598
GND
3
C2201
IC2202 0.1
C2211
R2203
DIGITAL OPTICAL 75 0.1
G IC2202
RECEIVER
TORX147L
JL2599 R2221
VCC 47k
1
JL2600
OPTICAL
OUT
VIDEO 1 IN 2 JL2601
GND
3
IC2204
C2202
DIGITAL OPTICAL
IC2204
0.1
RECEIVER
TORX147L
JL2605
H VCC
1
JL2606
OPTICAL
DIGITAL OUT
SAT IN 2
JL2607
GND
3
C2203
0.1
C2207
J2001
47
25V
JL2745
COAXICAL
DVD IN
JL2744
I
J
K
L
M
STR-DG820
• See page 48 for IC Block Diagrams.
5 6 7 8
IC2241 IC2242
IC B/D
C2245
0.01
+2.5V REGULATOR
IC2241 IC2242
SI-3033KM-TL SI-3011ZD-TL C2398
0.01
C2414
47
25V
C2397
2 3 4 5 1 2 3 4 5
0.1
IC2236
TC4W53FU(TE12R)
1 VDD 8
2 7
R2504
100
3 VEE 6
4 VSS 5
C2430 C2431 C2436
100
470 470
10V 10V 10V
FB2217
D2202
MA2J1110GLS0
R2217
470k
IC2239
SCHMITT TRIGGER
IC2239
TC7WU04FU(TE12R)
1 VCC 8
C2221
2 7
470
10V
3 6
4 5
GND
FB2201
X2201
24.576MHz
R2229
10k
C2224
0.1
R2238
FB2203
390
C2227
0.1
IC B/D
R2253
10k
36 35 34 33 32 31 30 29 28 27 26 25
R2202
10k
R2411
1M
37 DO SDIN 24
C2337
38 23
DI SLRCK D2203
470p
MA2J1110GLS0
39 22
CE SBCK
R2410 1k
40 CL IC2208 RDATA 21
R2487 0
R2488 0
41 XMODE RLRCK 20
DIGITAL AUDIO
42 19
DGND INTERFACE RECEIVER DVDD
C2232
IC2208
43 DVDD DGND 18
LC89057W-VF4A-E 0.1
44 TMCK/PIO0 RBCK 17
FB2204
C2208
45 16
TBCK/PIO1 RMCK
0.01
15
46 LRCK/PIO2 AGND
47 TDATA/PIO3 AVDD 14
C2233
48 13
TXO/PIOEN LPF 0.1
C2234
100
16V
C2231
470
1 2 3 4 5 6 7 8 9 10 11 12
FB2205
10V
C2228
0.1
C2223
0.1
R2213
C2209
10k
0.1
R2510
0
R2224 100
R2517 R2236
R2395
R2228 100 100 100 10k
R2516 100
9 10 11 12 13
C2248
0.1
C2251
470
IC2236
10V
SIGNAL SELECTOR
FB2222
R2256
100
R2257
100
R2258 100
IC B/D IC2212
SIGNAL SELECTOR
IC2212
TC74VHC157FT(EL)
IC B/D
1 SELECT VCC 16
IC2240
2 A0 STOROBE 15
+5V REGULATOR
14
IC2240 3 B0 A3
R2451
SI-3050KM-TL
100
13
4 Y0 B3
12
5 A1 Y3
6 B1 A2 11
5 4 3 2 1
10
7 Y1 B2
9
8 GND Y2
R2242
47
R2246
390
FB2206
R2265
150
C2417 C2424
100 47
10V 25V
34 34
14 15 16 17
CN2206
50P
50 VDDEXT VDDEXT 49
48 VDDEXT VDDEXT 47
JL2631
46 45
VDDINT VDDINT
JL2628
44 VDDINT VDDINT 43
R2447 R2445
0 0 42 GND GND 41
40 39
GND GND
JL2501
38 SO_B SO_A 37
JL2502
36 SO_D SO_C 35
JL2503
34 33
SO_F SO_E
JL2504
32 GND GND 31
30 LRCK_OUT BCK_OUT 29
28 GND GND 27
JL2505
26 25
SI_B SI_A
JL2506
24 SI_D SI_C 23
JL2507
22 SI_F SI_E 21
JL2508
20 19
LRCK SI_G
R2277
18 GND GND 17
47
JL2525
16 BCK MCK 15
14 13
GND GND
JL2510
12 ERROR NON_AU 11
JL2511
10 DSP_RESET DSP_INT 9
JL2512
8 SPI0_MOSI SPI0_MISO 7
JL2513
6 5
SPI0_CS# SPI0_ENA#
JL2514
4 GND SFLASH_CE# 3
JL2770
2 SPI0_CLK SFLASH_HOLD# 1
R2486
0
DSP
X
(Page
BOARD
CN5001
31)
IC B/D
IC2211
BUFFER
IC2211
TC74VHC393FT(EL)
1 CKA VCC 14
C2247
0.1
2 RDA CKB 13
12
3 Q1A RDB
4 Q2A Q1B 11
10
5 Q3A Q2B
R2259
47 9
6 Q4A Q3B
7 GND Q4B 8
18 19 20 21
JL2515
JL2516
JL2630
JL2517
JL2518
JL2519
JL2520
JL2521
JL2522
JL2523
JL2524
JL2526
JL2527
JL2528
JL2529
JL2530
JL2771
1
2
3
4
5
6
21
DIGITAL
7 AUDIO
BOARD
8 (2/2)
(Page 35)
9
10
11
12
13
14
15
16
17
CN2219
18P
JL2643
1 FSRATE
JL2644
2 HDMI_NON_PCm
JL2645
3
HDMI_ERROR
JL2646
4
SPI0_CS#
JL2647
5 SPI0_MOSI
JL2648
6 DSP_RESET
JL2649
7
DSP_INT
JL2650
R2267
8 SPI0_MISO AA
100
JL2651
9 SPI0_ENA#
JL2652
10 CONNECTOR
SFLASH_CE#
JL2653 BOARD
11
SFLASH_HOLD# CN2030
JL2654
(Page 35)
12 SPI0_CLK
JL2655
13
DIR_HDMI_SELECT
JL2656
14
DIR_XMODE
JL2657
15 COM1_CLK
JL2658
16 DIR_CE
JL2659
17
COM1_DATA
JL2769
18 RESERVED
22
22
21
20
DIGITAL
19 AUDIO
BOARD
18 (2/2)
(Page 35)