![Sony STR-DH520 Service Manual Download Page 28](http://html.mh-extra.com/html/sony/str-dh520/str-dh520_service-manual_417077028.webp)
STR-DH520
STR-DH520
28
28
4-16. SCHEMATIC DIAGRAM – DIGITAL Board (3/4) –
• See page 18 for Waveforms. • See page 42, 43 and 44 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL BOARD (3/4)
24
22
19
20
21
16
12
7
13
8
9 11
10
23
25
18
17
2
3
1.4
3.3
1.8
3.3
3.30
3.3
3.3
3.3
3.3
1.3
1.4
3.3
1.8
1.3
3.3
1.3
3.3
1.8
1.2
2.7
2.6
1.2
1.2
1.3
3.3
3.3
3.3
3.3
1.7 1.8 1.8
0
0
3.3
3.3
0
2.8
0
0
2.6
3.3
0 3.3
1.3
0 3.3
0
0
0
0
0
0
3.3
0
0
0
0
0
0
0
2.4
5
2.4
0
3.3
1.8
1.8
0
3.3
0
3.3
0
3.3
3.3
3.3
3
0
3.1
0
3.3
6
3.7
6.2
6.2
1.1
1
0.9
1 3.3
3.9 3.9
BCLK_IN
SBL/SBR_IN
C/SW_IN
SL/SR_IN
DIR_SIGNAL
SD3
SD2
SD1
SD0
LRCK
BCK
MCK
NON_LPCM
MUTE
DIR_IN
DIR_RST
DSP_SEL
HDMI_SPDIF
ARC_SPDIF
DSP_NONAU
MCLK_IN
MCK
LRCLK_IN
C/SW1_OUT
L/R_OUT
FL_GND
SBL/SBR_OUT
SL/SR_OUT
DIN4/DNC
DIN2
DSP_ERROR
DIR_XST
AT
E
DIR_INT
DIR_CE
DIR_MISO
DIR_MPO0
C2361
0.1
C2358
0.1
IC2351
TORX147L(SONY)
J2301
1P
COAXIAL
BD/DVD IN
FB2604
C2815
7p
C2814
7p
X2801
24.576MHz
C2871
10
C2868
10
FB2603
10k
R2901
FB2033
21A102
IC2804
TC74VHC157FT (EKJ)
FB2007
21A102
R221
1
R2111
10k
47k
R2311
FB2801
0uH
10k
R2125
10k
R2011
10k
R2108
10k
R2099
100
R2059
100
R2351
100
R2354
100
R2759
220
R2816
330
R2601
330
R2602
470
R2356
1k
R2104
47k
R2357
470k
R2358
1M
R2815
R2415
R2416
0
0
R2417
0
C2268
4700p
C2069
0.01
C2272
0.1
C2354
0.1
C2881
0.1
C2875
0.1
C2072
0.1
C2870
0.1
C2273
0.1
C201
1
0.1
C2274
0.1
C2351
0.1
C2269
0.068
680
R2050
C2114
22
C2370
10
D2104
DA2J10100L
220ohm
FB2884
220ohm
FB2885
L2007
10uH
C2874
10
C2879
0.022
C2873
10
IC2803
MP2301ENE-LF-Z
C2876
0.1
C2878
0.1
C2899
0.1
1k
R2892
1k
R2891
C2270
0.1
C2877
1000
6.3V
220ohm
FB2886
L2008
10uH
FB2887
0uH
JL2868
JL2869
JL2870
JL2871
JL2872
22k
R2173
IC2010
SI-3010KM-TLS
10k
R2172
D2717
DA2J10100L
FB2891
0uH
C2355
22
6.3V
47
R2925
IC2303
TC7WHU04FU (TE12R)
C2074
10
10k
R2103
C2070
0.1
100
R2912
IC2805
TC74VHC08FT (EL)
FB2892
0uH
IC2009
TC7WH74FK
Q2706
RT1N141C-TP-1
MUTE SWITCH
C2470
10
10k
10k
R2933
C2013
100 16V
C2869
220 4V
C2872
220 4V
C2265
100
16V
C2266
100
16V
C2264
100 16V
C2267
100 16V
1k
R2941
C2093
470p
1M
R2005
10k
R2940
C2359
100
16V
10k
R2886
470
R2860
4.7k
R2889
0
R2946
0
R2949
0
R2947
0
R2948
C2468
0.1
DIN1
100
R2959
100
R2958
100
R2960
DIN3
100
R2957
470
R2610
75
R2855
1.1V
DIGITAL OPTICAL
RECEIVE
IC2351
IC2352
TORX147L(SONY)
DIGITAL OPTICAL
RECEIVE
IC2352
WAVE SHAPER
IC2303
SIGNAL SELECTOR
IC2805
SCHMITT TRIGGER
IC2009
MUTING
IC2804
+3.3V REG
IC2010
POWER OPERATION AMP
IC2803
OPTICAL
SAT/CATV
IN
DIGITAL
(ASSIGNABLE)
OPTICAL
IN
TV
DIGITAL
BOARD
(1/4), (2/4)
(Page 26),
2