Schematic Diagram - Digital Board (3/4) - Sony STR-DH820 Service Manual

STR-DH820
5-11. SCHEMATIC DIAGRAM – DIGITAL Board (3/4) –
1 2 3
DIGITAL BOARD (3/4)
A
B
CN2001
9P
JL2220
DGND 1
JL2219
3.3V 2
JL2218
RESET 3
JL2217 FLS_CLK/V_MUTE
FLASH_CLK 4
FLASH
JL2216
SO 5
PROGRAMMING
C
JL2215
SI 6
JL2214
PROG 7
JL2213
MD2 8
JL2212
MD0 9
DIGITAL BOARD
1
1
(1/4)
D 2
(Page 24)
DIGITAL BOARD
6
E
3
(1/4)
4
(Page 24)
5
IC2122
IC B/D
SIGNAL SELECTOR
IC2122
F
TC74VHC157FT(EKJ)
JL2290
3.3
SEL VCC
A0 ST
3.3
B0 A3
Y0 B3
3.3
A1 Y3
G
B1 A2
Y1 B2
GND Y2
C2722
H
0.1
3.5
R2746
D2701
220
R2745
RB751V-40TE-17
27k
0
Q2705
RT1N141C-TP-1
CEC DATA SWITCH
3.3
I
R2744 10k
2.7
3.3
Q2704
2SC3052EF-T1-LEF
CEC DATA SWITCH C2721
0.1
1.6 2.7
Q2703
2SC3052EF-T1-LEF
R2743
CEC DATA SWITCH
22k
3.3
R2742
R2741
22k
1k
J
3.3
R2747
10k
0
3.3
R2740
Q2702
0
ISA1235AC1-T112-1EF
CEC DATA SWITCH
K
STR-DH820
• See page 46 for Waveforms. • See page 58 for IC Block Diagrams.
4 5 6 7
FB2101
3.3
C2122
IC2001
470
R2954
BA33BC0FP-E2 10V
2.2k
C2223
IC2001
4.7
R2953
+3.3V REG 2.2k
6.6
C2121
0.47
3.3
81
3.3
82
DSP_SEL_MULTI RB2114
0
83 DSP_SEL_MULTI
DSP_INT 100
0
84 DSP_INT
DSP_RESET 3.3
85 DSP_RST
DSP_SPICS
3.3
86 DSP_SPICS
DSP_SFLASH_HOLD RB2115
0
87 DSP_SFLASH_HOLD
DSP_NON_AUDIO 100
0
88 DSP_NPCM
DSP_ERROR 3.3
89 DSP_ERROR
3.3
90 VCC_+3.3V
C2159 0.1
C2181 0.1
91 VSS_DGND
1.7
R2100 92 X1(X_OUT)
X2101 R2143
1.5k
4MHz 1M 1.6
R2160
93 X0(X_IN)
10k
3.3
94 POWER_RY
3.3
JL2289
C2195 95 MIC_MUTE
220
C2149 3.3
4V 96 NO_USE
0.1
2.4
97 FUSE_DET
0
98
0
99
POWER_RY
RB2116 3.3
100
100
JL2042
RB2117
2.2k
C2140
0.1
HDMI_CEC
JL2286
3.3
1 8
2 7
0 R2103 10k
3 6
3.3 R2102 3.3k
4 5
IC2104
CAT24C64WI-GT3
IC2104
EEPROM
• See page 64 and 65 for IC Pin Function Descriptions.
8 9 10 11
R2122
10k
3 3.3 0 0 0 3.3 3.3 0 0 0 0.7 0 0 0 3.3 3.3 3.3 3.3 3.3 0 0.4 0 0 0 3.3 3.3 3.3
80 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
VCOM_RESET
DAC_IIC_SDA/HW_MUTE
DAC_IIC_SCL
V_IO_EX_LAT/D_AMP_OTW2
V_IO_EX_OE/D_AMP_OTW1
IC2101
V_IO_EX_DATA/D_AMP_RESET
MB90F058PF-G-JNE1
IC2101
3
SYSTEM CONTROL
ZONE2_RY
HP_RY
AVCC_+3.3V
PREOUT_SW_RY
VOL_JOG
1 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 3.3 3.3 3.3 3.3 3.3 0 3.3 0 0 3.3 3.3 1.8 0 3.2 3.2 0.3 3.3 0 1 0 0.8 0.8
R2101
10k
26 26
12 13 14
IC2119
S-80929CNMC-G8ZT2G
IC2119
IC B/D
R2152 RESET SIGNAL GENERATOR
10k
0
1 OUT CD 5
3.3
C2169
2 VDD
R2162 0.1
3.3
3
22 VSS NC 4
C2127
3.3
0.1
Q2101
0
RT1N141C-TP-1
MU_RESET
DATA SWITCH
MU_MD0
D2119
DA2J10100L
51
TUNER_CK
TUNER_CLK 50
0 RB2109 TUNER_DA
TUNER_MOSI 49
3.3 100 TUNER_IISD
TUNER_SD 48
R2117 47k
HDMI_SCL
3.3
VCOM_SCL 47
3.3 R2116 100 HDMI_SDA
VCOM_SDA 46
3.3 HDMI_RESET
R2129 100
45
3.3
VSS_DGND 44
V_IO_LAT
43
0 RB2108 V_IO_OE
42
0 100 V_IO_DATA
41
V_COMP_DET
0
COMP_DET 40
0 EVOL_CLK
EVOL_CLK 39
0 RB2107 EVOL_DATA
EVOL_DATA 38
C2117 10
0 100 LIMITER
LIMITER 37
C2118 0.1
AD_KEY2
0
AD_KEY2 36
R2113 10k
0
AVSS_GND 35
C2119 0.1
R2111 100 AD_KEY1
AD_KEY1 34
3.3 R2112 10k
AVRH_+3.3V 33
C2147 0.1
3.3
32
3.3 C2146 0.1 C2115 1000p
31
3.3
R2109 100 VOL_JOG
R2110 10k
JL2281
FB2001
3.3 3.3
SIRCS_OUT
JL2282
C2184
4.7
RB2106
100 DCDC_+6.3V
B_LED
AD_KEY1
VOL_JOG
DCAC_SIGNAL
AD_KEY2
V2_VIDEO2
V2_VGND
V2_R-CH
V2_L-CH
Note: IC2104 on the DIGITAL board cannot exchange with single. When
this part on the DIGITAL board is damaged, exchange the entire
mounted board.
15 16 17
DIGITAL BOARD
6
(2/4)
10
(Page 25)
DIGITAL BOARD
9
(4/4)
16
(Page 27)
DIGITAL BOARD
(1/4), (2/4), (4/4)
9
5
(Page 24),
(Page 25),
8
(Page 27)
CN2003
29P
JL2082
STBY_+3.3V
JL2081
SIRCS
JL2080
FL_BK
JL2078
FL_GND
JL2077
FL_LAT
FL_GND
JL2075
FL_CLK
FL_GND
JL2072
FL_DATA
JL2071
+6.3V
NC
DGND
JL2068
DISPLAY
DGND
JL2067
BLUE_LED BOARD
F
JL2066
INPUT_JOG
CNS100
JL2065
AD_KEY1
JL2064 (Page 49)
VOL_JOG
JL2062
POWER_SW
JL2059
MIC_MUTE
JL2058
TONE_JOG
JL2057
-7V
JL2056
DCAC_SIGNAL
JL2054
AD_KEY2
JL2053
+7V
JL2052
V2_VIDEO2
JL2051
V2_VGND
JL2050
V2_R-CH
JL2049
V2_AGND
JL2048
V2_L-CH
DIGITAL BOARD
17
10
(4/4)
18
19 (Page 27)