Sony STR-DH720 Service Manual page 99

2-8. SCHEMATIC DIAGRAM – DIGITAL Board (4/4) –
1 2 3
A
DIGITAL BOARD (4/4)
CN2003
9P
(US, CND)
TN1
JL2021
ANTENNA LCH OUT 1 L_CH 1
JL2022
B
VCC +9V 2 Vcc 2
JL2821
RCH OUT 3 R_CH 3
JL2822
AM
GND 4 GND 4
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
C
RDS INT 10 RDS_INT 10
JL2829
RDS DATA 11 RDS_DATA 11
CN2002
11P
(ECE)
(ECE)
DIGITAL BOARD
10
(3/4)
18
D (Page 10)
E
DIGITAL BOARD
9
17
(3/4)
16
(Page 10)
F
19
20
G
23
H
DIGITAL BOARD
11
(3/4)
(Page 10)
I
24
22
J
21
K
STR-DH720/DH720HP
4 5 6 7
LRCK/LOUT
R2962 1k
BCLK/ROUT
R2963 1k
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
+9V REG
I
15
R2938
10k
+15V_TUNER
D2713 C2015
DA2J10100L 0.47
FB2890
0uH
FUSE_DET
IC2421
TK11150CSCL-G
IC2421
+5V REG
8 9 10 11
IC2106
CAT24C64WI-GT3
IC2106 FB2501
0uH
EEPROM
5 4
6 SCL A2 3
7 A1 2
3.3
8 1 C2503
A0
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
15 16 17 18 19 20 21 22 23 24
33k
0 5 2.4 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
+7V C2510 C2509
10 33
5 7 0.1
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
11 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
D/A CONVERTER
25 26 27 28
0 5
R
L
C2504
0.1
C2516
0.01
C2517
1000p
C2515
0.1
C2882
100
10V
+7V
0uH
CL2029
-7V
CL2013
CL2012
CL2014
CL2015
CL2016
CL2017
CL2018
CL2019
CL2020
CL2022
CL2028
DCAC_IN CL2032
BCLK/ROUT CL2045
LRCK/LOUT CL2048
Note: IC2106 on the DIGITAL board cannot exchange with single.
When this part on the DIGITAL board is damaged, exchange
the entire mounted board.
STR-DH720/DH720HP
15 16 17
CN2501
4P
TEMP-SENSOR
CL2200
1 +3.3V
CL2201 BOARD
E
2 DGND
CL2203
3 TEMP_SENSOR_1 CN250
CL2204
4 TEMP_SENSOR_2
(Refer to page 45
on original
service manual)
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 21)
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 9)
CN2114
19P
JL2863
+7V
1
2
3 -7V
4 L_IN
5 AGND
6 AGND
7 R_IN
MAIN
8 FR_OUT
BOARD
9 FL_OUT
G
(3/4)
10 SW_OUT
11 C_OUT CNP411
12 SR_OUT
(Page 21)
13 SL_OUT
14 SBR_OUT
15 SBL_OUT
16 DCAC_IN
17 TUNER_R
18 TUNER_L
19 NC