Schematic Diagram - Digital Board (1/4) - Sony STR-DH820 Service Manual

STR-DH820
5-9. SCHEMATIC DIAGRAM – DIGITAL Board (1/4) –
1 2 3
DIGITAL BOARD (1/4)
A
B
C
D
CN2203
4P
DCDC
JL2112
DCDC_+4V 1
BOARD JL2100
A
DCDC_+4V 2
JL2079
CN1501
DCDC_GND 3
JL2074
(Page 51) DCDC_+6.3V 4
E
10k
R2021
1 ON/OFF VIN
6
F
2 GND
VOUT
3 NoiseBypass
1.3
IC2004
TK11150CSCL-G
IC2004
C2024
0.1
+5V REG
CN2204
8P
JL2061
G STOP 1
JL2060
POWER_RY 2
STANDBY
JL2055
STBY_+9V 3
BOARD
JL2046
B
NC 4
JL2045
CN913
5
MICOM_+3.3V
JL2195
(Page 47) DGND 6
JL2111
MODEL 7
JL2047
DESTINATION 8
H
C2089
CN2501
0.1
TEMP-SENSOR 4P
JL2194
+3.3V_DIGITAL 1
BOARD JL2191
C
DGND 2
JL2114
CN250
TEMP_SENSOR_1 3
JL2113
TEMP_SENSOR_2 4
(Page 54)
I
DIGITAL BOARD
1 1
(3/4)
2
(Page 26)
J
K
STR-DH820
• See page 58 for IC Block Diagrams.
4 5 6 7
6
IC2010
SI-3010KM-TLS
IC2010
+3.3V REG
1 2 3 4 5
D2020
4 4 3.3 1
1SS367-T3SONY
R2173
22k
R2941
1k
R2172
10k
R2008 0
R2009
0
DCDC_+6.3V
JL2090
JL2088
D2002 R2010 330
1SR154-400TE-25
JL2085
SI_D
SI_F
LRCK_IN
6.3
JL2086
5
D2018
BCK_IN
C2021 1SS367-T3SONY
1
5
JL2087
4
DSP_ERROR
C2059
DSP_RESET
4.7
DSP_MOSI
C2060 DSP_SPICS
100 16V
JL2063
DSP_SPICLK
STOP
POWER_RY
MODEL
DESTINATION
IC2121
IC B/D
SIGNAL SELECTOR
470ohm
R2617
330
DATA4
TEMP_SENSOR_1
TEMP_SENSOR_2
R2618
330
DATA3
LRCK
R2613 R2612
10k
8 9 10
6
IC2003
SI-3010KM-TLS
IC2003
+2.5V REG
1 2 3 4 5
4 4 2.5 1 D2021
1SS367-T3SONY
R2073
15k
C2039
100
16V
R2072
10k
DSP BOARD (2/2)
D
CN5001
(Page 42)
CN2104
50P
50 OPTION_L/R_OUT VDDEXT 49
JL2044
48 FRONTHI_L/R_OUT VDDEXT 47
46 VDDINT VDDINT 45
44 VDDINT VDDINT 43
42 GND GND 41
JL2043
40 GND GND 39
R2031 0
38 SO_B SO_A 37
R2015 0
36 SO_D SO_C 35
JL2041
34 SO_F SO_E 33
32 UART_IN GND 31
R2045 470
30 LRCK_OUT BCK_OUT 29
28 UART_OUT GND 27
DOUT
26 SI_B SI_A 25
R2056 0
24 SI_D SI_C 23
SI_E
22 SI_F SI_E 21
20 LRCK_IN SI_G 19
18 RESET_MAIN GND 17
47 MCK_IN
R2006
16 BCK_IN MCK_IN 15
14 MD GND 13
R2026 100 DSP_NON_AUDIO
12 ERROR NON_AUDIO 11
R2041 100
10 DSP_RESET DSP_INT 9
R2091 100
8 SPI_MOSI SPI_MISO 7
6 DSP_CS GND 5
4 LED GND 3
DSP_SFLASH_HOLD
2 SPI_CLK SFLASH_HOLD 1
R2019 0
DSP_SBL/SBR_OUT
DSP_SL/SR_OUT
DSP_C/SW_OUT
DSP_L/R_OUT
IC2121
TC74VHC08FT(EL)
FB2121
0uH
0.8 3.3
1 A0 VCC 14
3.3 0.8
2 B0 A3 13
0 3.3
3 Y0 B3 12
R2611
330
0.8 0
4 A1 Y3 11
3.3 0.8
5 B1 A2 10
0 3.3
6 Y1 B2 9
R2614
330
0
7 GND Y2 8
C2468 0.1
C2170 10
IC2120
TC7WH74FK
IC2120
0.7 3.3
1 CK VCC 8
SCHMITT TRIGGER
2.8 3.3
2 D PR 7 C2070
0.1
JL2291 JL2292
0 3.3
100
3 Q 6
CLR
4 GND Q 5
24 24
11 12 13 14
BCK_OUT
C2574 100 16V
DSP_INT
C2572 0.1
DSP_MISO
C2569
0.01
3.3 0
VCC SEL
3.3
ST A0
3
A3 B0
R2526
R2559
10k
100
3.3
B3 Y0
0
Y3 A1
3.3 3.2
Q2706
A2 B1
RT1N141C-TP-1
MUTE SWITCH
0 0 0
B2 Y1
3.3
3.3
Y2 GND
R2525
10k
IC2105
TC74VHC157FT(EKJ)
IC2105
DATA1
IC B/D
MUTING
DATA2
D2702
MC2838-T112-1
15 16 17
DIGITAL BOARD
2
(2/4)
3
(Page 25)
DIGITAL BOARD
4
3
(3/4)
5
(Page 26)
6
DIR_ERROR
HDMI_ERROR
DIR_NPCM
HDMI_NON_AUDIO
DIGITAL BOARD
4
(2/4)
7
(Page 25)
DIGITAL BOARD
(2/4), (3/4), (4/4)
8 5
(Page 25),
9
(Page 26),
(Page 27)