Schematic Diagram - Digital Board (3/4) - Sony STR-DH520 Service Manual

STR-DH520
4-16. SCHEMATIC DIAGRAM – DIGITAL Board (3/4) –
1 2 3
A
DIGITAL BOARD (3/4)
B
IC2351
TORX147L(SONY)
IC2351
DIGITAL OPTICAL
C2370 10
RECEIVE
GND
OPTICAL
JL2871 R2351
3.3 100
SAT/CATV OUT
3.3 C2351 0.1
IN
VCC
DIGITAL
C (ASSIGNABLE)
J2301
1P
JL2872
COAXIAL
BD/DVD IN
R2855
75
IC2352
TORX147L(SONY)
IC2352
DIGITAL OPTICAL
D
RECEIVE
JL2868
GND
JL2869
OPTICAL 3.3 R2354 100
TV OUT
IN
3.3 JL2870 C2354 0.1
VCC
2
DIGITAL
E
BOARD
2
(1/4), (2/4)
(Page 26),
(Page 27)
3
F
DIGITAL 17
G
BOARD
9
(4/4)
(Page 29)
18
H
I
J
K
STR-DH520
• See page 18 for Waveforms. • See page 42, 43 and 44 for IC Block Diagrams.
4 5 6 7
C2361
R2356
0.1
470 FB2891
0uH
C2355
22
R2358
R2357 D2717
6.3V
470k
47k
DA2J10100L
R2103
1.8
CK
3.30
2.7 1.2 1.2 D
R2912
8 7 6 5
IC2303
100
TC7WHU04FU (TE12R) Q
IC2303
C2359
C2358 GND
100
0.1
IC B/D 16V
WAVE SHAPER
1 2 3 4
TC7WH74FK
2.6 1.3 IC2009
SCHMITT TRIGGER
R2759
100
FB2801
R2104
0uH
1k
C2267 100 16V
C2270 0.1
R2111
10k
R2948 0
IC B/D
0 0 3.3 1.7 1.8 1.8 1.3 0 3.3 0 0
R2949 0 0
2
MC/SCL MPIO_B1/SI_D
DIR_CE R2946 0 3.3
MS/ADR1 MPIO_B0/SI_C
3
R2940 10k 3.3
MODE MPIO_C3/SD3
HDMI_SPDIF
0
RXIN7/HDMI_SPDIF MPIO_C2/SD2
IC2006
ARC_SPDIF 2.8
PCM9211PTR
RXIN6/HDMI_ARC MPIO_C1/SD1
IC2006
RXIN5/ USB_SPDIF MPIO_C0/X_STATE
0
DIGITAL AUDIO
RXIN4/TV OPT IN MPIO_A3/SD0
0 INTERFACE
RXIN3/SAT/CATV OPT IN MPIO_A2/HDMI_LRCK
RECEIVER
2.6
MPIO_A1/HDMI_BCK
RXIN2/DVD_Coaxial In
DIR_RST 3.3
RST MPIO_A0/HDMI_MCK
RXIN1 NPCM/INT1
R2311 VDDRX ERROR/INT0
47k
1.8 1.8 3.3 0 2.4 5 2.4 0
FB2007 21A102
R2815
1M
X2801
C2268
R2816
24.576MHz
4700p
220
C2274
0.1
R2050
C2273
680
0.1
C2814 C2815
C2269
7p 7p
0.068
C2266
100
16V
8 9 10
IC2805
TC74VHC08FT (EL)
IC2805
IC B/D
SIGNAL SELECTOR
1.4 3.3
1 A0 VCC 14
3.3 1.3
2 B0 A3 13
1.4 3.3
3 Y0 B3 12
1.8 1.3
10k 4 A1 Y3 11
3.3 1.3
5 B1 A2 10
3.3
VCC
1.8 3.3
9
6 Y1 B2
3.3
PR
1.2
C2070 7 GND Y2 8
3.3
0.1
CLR
3.3
Q
C2468 0.1
IC2009
C2470 10
R2099
C2074
C2072
C2069
TC74VHC157FT (EKJ)
0.01
0
1 SEL
3.3
2 A0
0
0
SD3
3 B0
0
0 SD2
MUTE 3.3
4 Y0
0 SD1
3.3
Q2706 0
0 R2901 10k
5 A1
RT1N141C-TP-1
3.3 SD0
MUTE SWITCH
3.1
6 B1
LRCK
0
NON_LPCM
0
0 BCK
7 Y1
R2125
0 MCK
10k
8 GND
0
0
0
IC B/D
R2011 R2108
FB2887
10k
10k 0uH
FB2033
C2265 21A102
100
16V
28 28
11 12 13 14
DIGITAL BOARD (1/4)
(Page 26)
5
9 11 10
SBL/SBR_OUT
R2958 100 DIN4/DNC
SL/SR_OUT
DIN1
R2959 100
C2870
C2881
0.1 0.1
C2868 C2871
POWER OPERATION AMP
10
10
L2008
C2869 C2872
10uH
220 4V 220 4V
C2876
0.1
FB2884 6
FB2885
1 BST
220ohm 220ohm
L2007 6.2
2 VIN
10uH
1.1V
1.1
3 SW
C2875
C2873 4 GND
C2874
0.1 10
10
C2877
R2059
FB2892 1000 C2899
0uH 100
6.3V 0.1
10k
10
0.1
IC2804
6
IC2804
IC2010
MUTING
SI-3010KM-TLS
IC2010
3.3
VCC 16
+3.3V REG
ST 15
5 4 3 2 1
3.3
1 3.3 3.9 3.9
A3 14
3
B3 13 R2173
22k
3.3
Y3 12
R2941
1k
11
A2
R2172
B2 10 10k
9
Y2
15 16 17
IC2803
MP2301ENE-LF-Z
IC2803
FB2886
220ohm
9
C2878
TAB
0.1
3.7
SS 8
6.2 R2892 1k
7
EN 12
1
COMP 6
0.9 R2891
C2879
FB 5
1k DIGITAL
0.022
BOARD
6
(2/4)
(Page 27)
R2889
R2860
R2886
470 4.7k
10k
13
DIGITAL
BOARD
7 4
(1/4)
8
(Page 26)
DIGITAL
BOARD
8
16
(2/4)
(Page 27)
C2114
22
DIGITAL
BOARD
19 10
(4/4)
20
(Page 29)
21
22
DIGITAL
23
BOARD
11
24
(4/4)
(Page 29)
25