Schematic Diagram - Digital Board (3/4) - Sony STR-DH720 Service Manual

5-10. SCHEMATIC DIAGRAM – DIGITAL Board (2/4) –
1 2 3
DIGITAL BOARD (2/4)
A
B
DIGITAL BOARD
2 2
(1/4), (3/4)
3
(Page 22), (Page 24)
CN2603
8P
JL2856
USB_SPDIF 8
D-VIDEO JL2855
MU_SO/TX 7
C
JL2854
BOARD MU_SI/RX 6
JL2858
B 5
USB_UP_MU_RST
(1/4)
JL2852
USB_UP_MU_MD2 4
CN3004 JL2851
STOP 3
(Page 33)
NC 2
JL2850
POWER_RY 1
DIGITAL BOARD
D 6
3
(1/4)
5
(Page 22) 4
CL2007
MD0 9
CL2005
MD2 8
CL2004
PROG 7
CL2003
SI 6
FLASH
CL2001
E
SO 5
PROGRAMMING
CL2006
CLK 4
CL2002
RESET 3
CL2010
3.3V 2
CL2009
GND 1
CN2602
9P
F
G
H
I
J
K
STR-DH720/DH720HP
• See page 42 for Waveforms.
4 5 6
ISA1235AC1-T112-1EF
SO
SI
FB2101
0uH
FUSE_DET
POWER_RY
C2022 C2131
47 16V
470 16V
IC2107 3.3
BA33BC0FP-E2
IC2107
C2883
4.7
+3.3V REG
STBY_SUPPLY
C2119 R2158
MD0 6
0.1 10k
MD2 C2021
0.47
STOP
DIR_MISO
SI
D2714
1SR154-400TE-25
SO
FLASH_CLK
RESET
3.3V 0
80
R2932
GND +3.3V_STBY 10k
COMP_DET 0
81 COMP_DET
COMP_SW2
0
82 V_COMP_SW2
V_MUTE_1 RB2102
3.3
83 V_MUTE
VSEL_1 100
0
84 V_SEL_SW1
VSEL_2
0
85 V_SEL_SW2
POWER_RY 3.3
86 POWER_RY
R2953 100
PROTECTOR
3.3
87 PROTECTOR
COM_CLK R2220 100
0
88 COM_CLK
R2921 100
COM_DATA 0
89 COM_DATA
R2923 100
C2418 0.1 3.3
90 VCC_3.3V
C2459 0.1
91 VSS_GND
X2101
1.8
4MHz R2100 92 X1(X_OUT)
R2007 1M
1.5k 1.8
93 X0(X_IN)
DAC_LAT R2920 100 3.3
94 DAC_LATCH
DAC_MUTE
0
95 DAC MUTE
EVOL_CLK
R2614 100 0
96 EVOL_CLK
EVOL_DATA R2112 100 0
97 EVOL_DATA
C/SL/SR_RY
R2613 2.2k 3.3
98
FL/FR_RY R2612 2.2k 3.3
99
SW_RY
R2114 2.2k 3.3
100
1
11 12
6
DIGITAL BOARD (3/4)
(Page 24)
• See page 59 and 60 for IC Pin Function Descriptions.
7 8 9 10
Q2704
R2745 C2722
2SC3052EF-T1-LEF 27k
R2742 3.3
CEC DATA SWITCH
22k
3.3
R2741
3.3
2.7
Q2702 1k
CEC DATA SWITCH 0
1.6
Q2703
3.3
2SC3052EF-T1-LEF
3.3 CEC DATA SWITCH
R2746
3.3
2.7
220
0
R2747
R2743 R2744 Q2705
C2721
10k
22k 10k RT1N141C-TP-1
0.1
CEC DATA SWITCH
CL2213
0.8 0 3.3 3.3 3.3 3.3 0 0 3.3 0 0 0 3.3 3.3 0 3.3 0 0 0 1.8 0 3.3 3.3 3.3 3.3 3.3 3.3
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
NO USE/ SCL
HDMI_MOSI/ SDA
HDMI_MISO/ NO USE
HDMI_CECIN
POWER_KEY
HDMI_CECOUT
HDMI_RST/VMCOM_RST
IC2105
MB90F058PF-G-JNE1
DCAC_MUTE
IC2105
1
SYSTEM CONTROL
C/SL-SR_RY
FRONT_SPK_A_RY
PREOUT_SW_RY
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
3.3 3.3 0 0 1 0 0 0 1 1 3.3 2 0 0 1.5 0 0.6 0.9 0.9 0 3.3
R2197
100
23 23
11 12 13
0.1
R2186
0
C2127
R2132
D2019
10k
3.3 R2951
DA2J10100L
Q2006 1k
0
2SC3052EF-T1-LEF
DATA SWITCH
R2285
R2952
470
1k
0
51
FL_CLK
FL_DATA
R2929 100
50
FL_LAT
R2930 100 HDMI_MOSI/SDA
49
INPUT
HDMI_MISO/SCL
3.3
48
R2906 10k AD_KEY1
0 CEC_IN
47
AD_KEY2
0 SIRC
R2124 100
SIRCS 46
SIRC
3.3 R2123 100 POWER_DET
45
POWER_DET
3.3
C2909 0.1
VSS_GND 44
VOLUME
CEC_OUT
43
DCDC+4V
0 HDMI_RESET
42
FL_GND
3.3 RB2107 DCAC_MUTE
41
R2324 10k C2125 1000p
100 VOLUME
3.3
40
VOL_JOG
R2321 10k C2466 1000p
3.3 INPUT
INPUT_JOG 39
R2052 10k C2206 1000p
RB2106 TONE
3.3
TONE_JOG 38
R2015 10k C2208 0.1
100 TONE
3.3 AD_KEY2
AD_KEY_2 37
R2054 10k C2130 0.1
3.3 AD_KEY1
AD_KEY_1 36
DCAC_MUTE
3.3
AVSS 35
R2622 100
LIMITER 34
0
C2417 0.1
AVRH 33
3.3
32
AVCC_3.3V
3.3 FL_CLK
FL_CLK R2119 100
31
LIMITER
3.3 C2023 10
C2416 0.1
R2620 100 FL_DATA
0
FL_LAT
R2621 100
C2884
4.7
13 14
7
DIGITAL BOARD (4/4)
(Page 25)
STR-DH720/DH720HP
14 15 16 17
IC2020
S-80929CNMC-G8ZT2G
IC2020
RESET SIGNAL GENERATOR
3.3 0
5
1 OUT CD
3.3
2 VDD
3 VSS NC 4
0.1
C2469 0.1
DIGITAL BOARD
8
(3/4)
15
(Page 24)
FB2311
0uH
CN2116
25P
CL2041
1 FL_CLK
CL2049
2 FL_DIN
CL2040
3 FL_LAT
CL2059
4 INPUT_JOG
CL2024
5 AD1
CL2027
6 AD2
CL2210
7 SIRCS
CL2211
8 PW_SW
CL2212
9 VOL_JOG
CL2047
10 +3.9V_DCDC
CL2031
11 FL_GND DISPLAY
12 FL_GND
BOARD
CL2053 C
13 +3.3V(STBY)
CL2056 CNS151
14 DGND
CL2058
(Page 40)
15 TONE_JOG
CL2038
16 D_GND
CL2052
17 MIC_MUTE
DCAC_IN CL2046
18 DCAC_IN
V2_AUDIO_L CL2030
19 V2_AUDIO_L
VIDEO2_AGND CL2025
20 A_GND
V2_AUDIO_R CL2021
21 V2_AUDIO_R
CL2061
22 V_GND
CL2051
23 V2_VIDEO
+7V CL2055
24 +7V
-7V
CL2050
-7V
25
CN2103
14P
COMP_SW2
CL2094
1 COMP_SW2
2 NC
V_MUTE_1 CL2086
3 V_MUTE_1
VSEL_1
CL2098
4 VSEL_1
VSEL_2 CL2080 STANDBY-A
5 VSEL_2
CL2091
VIDEO PC
6 VIDEO2
CL2085
D
7 VIDEO2_VGND
BOARD
COMP_DET CL2093
8 COMP_DET
STOP CN271
CL2088
9 STOP
CL2097
(Page 38)
10
POWER_RY
STBY_SUPPLY CL2083
11 STBY_SUPPLY
+3.3V_STBY
CL2092
12 +3.3V STBY
VERSION CL2087
13 VERSION
MODEL CL2095
14 MODEL
DIGITAL
1
1
BOARD
(1/4)
(Page 22)