Sony STR-DH720 Service Manual page 98

STR-DH720/DH720HP
2-7. 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
3.3 JL2871 R2351 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
3.3 JL2869 R2354 100
OPTICAL
TV OUT
IN JL2870
3.3 C2354 0.1
VCC
2
DIGITAL
E
BOARD
2
(1/4), (2/4)
(Page 8),
(Page 9)
3
F
DIGITAL
16
G
BOARD
9
(4/4)
(Page 11)
17
H
I
J
K
STR-DH720/DH720HP
4 5 6 7
C2361
R2356
0.1
470 FB2891
0uH
C2355
22
R2358
R2357 D2717
6.3V
470k
47k DA2J10100L
R2103
1.8
3.30
2.7 1.2 1.2
R2912
8 7 6 5
100
IC2303
TC7WHU04FU (TE12R)
C2359
IC2303 C2358
100
0.1
16V
WAVE SHAPER
1 2 3 4
2.6 1.3
SCHMITT TRIGGER
R2759
100
FB2801
R2104
0uH
1k
C2267 100 16V
C2270 0.1
R2111
10k
R2948 0
0 0 3.3 1.7 1.8 1.8 1.3 0 3.3 0 0
0
R2949 0
MC/SCL MPIO_B1/SI_D
DIR_CE
R2946 0 3.3
MS/ADR1 MPIO_B0/SI_C
R2940
10k 3.3
MODE MPIO_C3/SD3
HDMI_SPDIF
0
RXIN7/HDMI_SPDIF MPIO_C2/SD2
IC2006
ARC_SPDIF 2.8
PCM9211PTR
MPIO_C1/SD1
RXIN6/HDMI_ARC
USB_SPDIF IC2006
2
RXIN5/USB_SPDIF MPIO_C0/X_STATE
0
RXIN4/TV OPT IN DIGITAL AUDIO MPIO_A3/SD0
0 INTERFACE
RXIN3/SAT/CATV OPT IN MPIO_A2/HDMI_LRCK
RECEIVER
2.6
RXIN2/DVD_Coaxial In MPIO_A1/HDMI_BCK
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
SIGNAL SELECTOR
1.4
1 A0
VCC 14
3.3
2 B0 A3 13
1.4
3 Y0 B3 12
1.8
4 A1 Y3 11
10k
3.3
5 B1 A2 10
3.3
CK VCC
1.8
6 Y1 B2 9
3.3
D PR
C2070 7 GND Y2 8
3.3
0.1
Q CLR
3.3
GND Q
C2468 0.1
IC2009
C2470 10
TC7WH74FK
IC2009
C2069
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
0
0 R2901 Q2706
10k 5 A1
RT1N141C-TP-1
3.3 SD0 MUTE SWITCH
3.1
6 B1
0 LRCK
NON_LPCM
0
0 BCK
7 Y1
R2125
0 MCK 10k
8 GND
0
0
0
R2108
R2011 FB2887
10k
10k 0uH
FB2033
C2265 21A102
100
16V
10 10
11 12 13 14
DIGITAL BOARD (1/4)
(Page 8)
5
8 10 9
3.3
SBL/SBR_OUT
1.3
3.3
DIN4/DNC
1.3 R2958 100
1.3 SL/SR_OUT
3.3
DIN1
1.2 R2959 100
C2870
C2881
0.1 0.1
C2868 C2871
10 10
L2008
C2869 C2872
10uH
220 4V 220 4V
C2876
0.1
FB2884 FB2885
220ohm 220ohm
L2007
10uH
1.1V
C2875 C2873
C2874
0.1
10
10
C2877
FB2892 R2059
1000 C2899
100
0uH 6.3V
0.1
R2099 10k
C2074 10
C2072 0.1
IC2804
TC74VHC157FT (EKJ)
6
IC2804
MUTING
3.3
VCC 16
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
12
Y3
R2941
1k
A2 11
R2172
10k
B2 10
Y2 9
15 16 17
IC2803
MP2301ENE-LF-Z
IC2803
FB2886
220ohm
POWER OPERATION AMP
9
C2878
TAB
0.1
6 3.7
1 BST SS 8
6.2 6.2 R2892 1k
2 VIN 7 11
EN
1.1 1
3 SW COMP 6
0.9 R2891
C2879
4 GND FB 5
1k DIGITAL
0.022
BOARD
6
(2/4)
(Page 9)
R2860 R2889
R2886
3.3k 680
10k
12
DIGITAL
BOARD
4
7
(1/4)
(Page 8)
IC2010
SI-3010KM-TLS
IC2010
+3.3V REG
DIGITAL
BOARD
8
15
(2/4)
(Page 9)
C2114
22
DIGITAL
BOARD
10
18
(4/4)
(Page 11)
19
20
DIGITAL
21
BOARD
11
22
(4/4)
23
(Page 11)
24