Schematic Diagram - Digital Board (3/8) - Sony STR-DN840 Service Manual

STR-DN840
5-11. SCHEMATIC DIAGRAM – DIGITAL Board (3/8) –
1 2 3
A
B
DIGITAL BOARD
DIGITAL BOARD
1
(1/8)
1
C
(Page 28)
CN1500
4P
STANDBY
CL1500
Power_Relay 1
BOARD
CL1501
E
AC_Cut 2
CN940
Standby 3.3V 3
CL1502
D Standby 3.3V 4
(Page 47)
CN1501
8P
CL1504
+6V 1
+6V 2
DCDC
E
+DCDC_NW 3
BOARD
CL1503
F
+DCDC_NW 4
CN1901
+3.6V 5
CL1505
(Page 45) +3.6V 6
+2V 7
CL1506
+2V 8
F
(CHASSIS)
G
H
I
J
K
DIGITAL BOARD
9
(7/8)
14
(Page 34)
STR-DN840
• See page 51 for IC Block Diagrams.
4 5 6 7
(3/8)
POWER_RY
AC_CUT
+STANDBY_3.3V
D1501
EC30QSA045 R1565 0
R1566 0
+6V
DCDC_NW
+3.3V
+2V
NW_GND
8 9 10
DIGITAL BOARD
(2/8)
(Page 29)
7
7
NW_ADC_RST
NW_RESET
NW_MUTE
FB2117
0uH
+NW_3.3V
SP_SD1
IC2113
TC74VHC157FT (EKJ)
IC B/D
IC2113
SIGNAL SELECTOR
SP_SD3
SP_SD2
C2192
C2189
0.1
SP_SD0
NW_SD0
NW_MCK_OUT
SP_MCK
IC2114
TC74VHC157FT (EKJ)
IC B/D
3.3
IC2114
SIGNAL SELECTOR
NW_LRCK_OUT
1.8
SP_WS
0.3
1.8
R2252
10k
0.3
SP_SPDIF
0.3
0.3
SP_SCK
NW_BCK_OUT
ARC_SPDIF
30 30
11 12 13 14
8
IC2108
TC7WH157FK
R2248
100
0 3.3
1 A VCC 8
R2251
C2187
10k
3.1 0 0.1
2 B ST 7
R2249
0
100
3 Y SELECT 6
R2250
0 100 NW_HDMI_MUTE
4 GND Y 5
C2188
IC B/D
0.001
IC2108
MUTE SELECTOR
C2193 10
C2194 0.1
R2256
10k
R2257
100
3.3 0.3
16 VCC SEL 1
R2259
0.3
0
15 ST 1A 2
R2253
C2195
R2255 0.3 0.3
10k
0.001
14 4A 1B 3
10k
0.3 0.3
13 4B 1Y
4
0.3 0.3
12 4Y 2A 5
0.3 0.3
R2254
11 3A 2B 6
10k
0.3 0.3
10 3B 2Y 7
0.3
8
9 3Y GND
10
RB2103
220
R2258
100
0
16 VCC SEL
1
C2196
1.7
15 ST 1A 2 0.001
1.6
14 4A 1B 3 FB2119
R2247
470ohm
330
1.6
13 4B 1Y 4
1.7
12 4Y 2A
5
0
11 3A 2B 6
FB2118
R2246
470ohm
330
1.7
10 3B 2Y 7
9 3Y GND 8
R2243
220
HDMI_SPDIF
R2244
47
R2245
0
HDMI_ARC_SPDIF
15 16 17
DIGITAL BOARD
10
(4/8), (6/8)
14
(Page 31), (Page 33)
DIGITAL BOARD
5
(2/8)
5
(Page 29)
DIGITAL BOARD
11
(4/8)
15
(Page 31)
SD3
SD2
SD1
SD0
MCK
BCK
LRCK