Schematic Diagram – Digital Board (4/4) - Sony STR-DH720 Service Manual

5-12. SCHEMATIC DIAGRAM – DIGITAL Board (4/4) –
1 2 3
DIGITAL BOARD (4/4)
A
CN2003
9P
(US, CND)
TN1
JL2021
ANTENNA LCH OUT 1 L_CH 1
JL2022
VCC +9V 2 Vcc 2
JL2821
RCH OUT 3 R_CH 3
JL2822
AM
GND 4 GND 4
B
JL2823
SD 5 SD 5
JL2824
CE 6 CE 6
JL2825
FM 75
DI 7 DI 7
COAXIAL JL2826
CL 8 CLK
8
JL2827
DO/ST/SD 9 TUNER_MISO/ DO 9
JL2828
RDS INT 10 RDS_INT 10
JL2829
RDS DATA 11 RDS_DATA 11
CN2002
C
11P
(ECE)
(ECE)
DIGITAL BOARD
10
(3/4)
18
(Page 24)
D
E
DIGITAL BOARD
9
17
(3/4)
16
(Page 24)
19
F
20
G
23
DIGITAL BOARD
11
(3/4)
H
(Page 24)
24
I
22
21
J
K
STR-DH720/DH720HP
• See page 46 for IC Block Diagrams.
4 5 6 7
R2962 1k LRCK/LOUT
R2963 1k BCLK/ROUT
NO_USE
IISD
TUNER_CE
DA
CK E2P_CLK
TUNER_MISO
E2P_DATA
I2C/RDSI
TUNER_RDS_DATA
VCC_3.3V
C2016
47 16V
C2033
0.1
9
IC2005
KIA7809AF/API
O
IC2005
COM
I +9V REG
15
R2938
10k
+15V_TUNER
D2713 C2015
DA2J10100L 0.47
FB2890
0uH
FUSE_DET
IC2421
TK11150CSCL-G
IC2421
+5V REG
8 9 10
IC2106
CAT24C64WI-GT3
FB2501
IC2106
0uH
EEPROM
5 4
6 SCL A2 3
7 A1 2
3.3
8 A0 1 C2503
220 4V
C2501
10
C2140
0.1
C2531
1000p
C2514
0.01
C2502
0.1
R2512
10k
0 0 0 3.3 1.3 1.3 1.8 1.3 3.3
C2003 14 13 12 11 10 9 8 7 6 5
0.1
R2541
33k 15 16 17 18 19 20 21 22 23 24
0 5 2.4 2.4 2.4 2.4 2.4 2.4 2.4
R2540
22k
C2508
D2018
C2421
0.1
1SS367-T3SONY
1
R2509
C2510 C2509
+7V
33
0.1 10
5 7
16V
C2506
0.1
C2512
10
R2421
10k
C2507
10 16V
1.3 6.7
C2422
C2424
4.7
0.1
C2096 100 16V FB2502
Note 1: IC2106 on the DIGITAL board cannot exchange with
single. When this part on the DIGITAL board is damaged,
exchange the entire mounted board.
25 25
11 12 13 14
FB2043
0uH
TEMP_SENSOR_1
TEMP_SENSOR_2
RECTIFIER_TEMP
HP_RY
SW_RY
D2303
MC2838-T112-1
FL/FR_RY
D2302
MC2838-T112-1
SBL/SBR_RY
BRIG_RY
C/SL/SR_RY
PROTECTOR
LIMITER
HP_DET
+15V_TUNER
EVOL_DATA
EVOL_CLK
V2_AUDIO_R
VIDEO2_AGND
V2_AUDIO_L
1.8 1.8 1.8
4 3 2 1
IC2501
WM8768GEDS/R
IC2501
IC B/D
D/A CONVERTER
25 26 27 28
2.4 0 5
R
L
C2504
0.1
C2516
0.01
C2517
1000p
C2515
0.1
C2882
100
10V
+7V
0uH
-7V
DCAC_IN
BCLK/ROUT
LRCK/LOUT
Note 2: When the DIGITAL board (Suffi x-11) is replaced, refer
to "NOTICE OF BOARD VERSION CHECK" (page 4).
STR-DH720/DH720HP
Ver. 1.2
15 16 17
CN2501
4P
TEMP-SENSOR
CL2200
1 +3.3V
CL2201 BOARD
E
2 DGND
CL2203
CN250
3 TEMP_SENSOR_1
CL2204
4 TEMP_SENSOR_2
(Page 45)
CN2105
19P
JL2878
1
+3.3V
2 NC
3
DGND
CL2011
4 REG_TEMP
CL2062
5 HP_RY
CL2063
6
PREOUT_SW_RY MAIN
CL2064
7 FL-FR_RY
BOARD
CL2065
8 SBL-R_RY
F
CL2066 (3/4)
9 BRIDGEABLE_RY
CL2067
10 C-SLR_RY CNP410
CL2068
11
PROTECTOR
(Page 29)
CL2069
12 LIMITER
CL2071
13 HP_DET
CL2070
14
+15V_TUNER
CL2072
15 EVOL_DATA
CL2073
16 EVOL_CLK
CL2074
17 VIDEO2_R
CL2075
18 A_GND
CL2082
19
VIDEO2_L
DIGITAL BOARD
13 7
(2/4)
14
(Page 23)
CN2114
19P
JL2863
1 +7V
2
CL2029
3 -7V
CL2013
4 L_IN
CL2012
5 AGND
6 AGND
CL2014
7 R_IN
MAIN
CL2015
8 FR_OUT
BOARD
CL2016
9 FL_OUT
G
CL2017 (3/4)
10 SW_OUT
CL2018
11 C_OUT
CNP411
CL2019
12 SR_OUT
(Page 29)
CL2020
13 SL_OUT
CL2022
14 SBR_OUT
CL2028
15 SBL_OUT
CL2032
16 DCAC_IN
CL2045
17 TUNER_R
CL2048
18 TUNER_L
19 NC