STR-DH820
STR-DH820
26
26
5-11. SCHEMATIC DIAGRAM – DIGITAL Board (3/4) –
• See page 46 for Waveforms. • See page 58 for IC Block Diagrams. • See page 64 and 65 for IC Pin Function Descriptions.
Note:
IC2104 on the DIGITAL board cannot exchange with single. When
this part on the DIGITAL board is damaged, exchange the entire
mounted board.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL BOARD (3/4)
16
10
17
18
19
5
1
6
2
4
8
9
3
3.3
3.3
0
0
3.3
3.3
0
0
3.3
3.3
1.7
1.6
3.3
3.3
3.3
2.4
0
0
3.3
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
0 0.4
0
0
0
0
3.3 3.3 3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
0.8
0.8
0
1
0
3.3
0.3
0
3.2 3.2
0
0
3.3
3.3
0
3.3
3.3
3.3 3.3
3.3
3.3
3.3
1.8
3.3
3.3
0
3.3
3.3
3.3
3.3
6.6
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
0
1.6
3.5
2.7
3.3
0
3.3
2.7
FB2101
4.7
C2223
1M
R2143
4MHz
X2101
0.1
C2181
0.1
C21
12
JL2196
0.47
C2121
BA33BC0FP-E2
IC2001
0.1
C2130
JL2200
4.7
C2184
1.5k
R2100
D2119
DA2J10100L
470
R21
18
RT1N141C-TP-1
DATA SWITCH
Q2101
10k
R21
19
10k
R2120
R2133
10k
3.3k
R2102
10k
R2103
100
R2138
R2127
10k
220
R2130
100
R2111
100
R2129
100
R2116
10
C2117
R2147
10k
100
R2126
0.1
C2156
10k
R2744
22k
R2742
10k
R2747
1k
R2741
22k
R2743
0
R2740
ISA1235AC1-T112-1EF
Q2702
2SC3052EF-T1-LEF
Q2704
CEC DATA SWITCH
CEC DATA SWITCH
CEC DATA SWITCH
CEC DATA SWITCH
27k
R2745
2SC3052EF-T1-LEF
Q2703
0.1
C2722
0.1
C2721
RB751V-40TE-17
D2701
RT1N141C-TP-1
Q2705
220
R2746
2.2k
RB2101
2.2k
RB2117
0.1
C2149
JL2042
100
RB2116
100
RB2115
100
RB2114
220
R2131
100
RB21
13
100
RB21
12
100
R2134
100
R2135
100
R2136
100
R
B2
111
100
RB21
10
0.1
C2127
10k
R2152
S-80929CNMC-G8ZT2G
IC2119
0.1
C2169
22
R2162
100
RB2109
100
RB2108
100
RB2107
0.1
C2118
0.1
C2119
R2112
10k
R2110
10k
100
R2109
0.1
C2108
100
RB2106
0.1
C2107
R2107
100k
R2108
100k
R2151
10k
R2156
10k
0.1
C2106
0.1
C2105
0.1
C2103
R2105
10k
100
RB2105
0.1
C2102
100
RB2103
100
RB2102
0.1
C2133
R2101
10k
R2128
10k
FB2102
100
R2159
100
R2146
100
R2157
100
R2158
100
R2905
FB2103
FB2104
FB2106
10k
R2122
R2104
10k
10k
R2160
R2113
10k
1000p
C2123
1000p
C2115
1000p
C2124
0.1
C2101
0.1
C2126
0.1
C2159
0.1
C2146
0.1
C2147
0.1
C2902
TC74VHC157FT(EKJ)
IC2122
R2132
10k
R2117
47k
2.2k
R2953
2.2k
R2954
100
R2955
10V
470
C2122
25V
47
C2131
4V
220
C2195
JL2281
JL2282
0.1
C2140
CAT24C64WI-GT3
IC2104
JL2286
JL2287
JL2288
JL2289
JL2290
MD0
DSP_SFLASH_HOLD
DSP_SPICS
DSP_RESET
DSP_INT
DSP_SEL_MULTI
ST
OP
SIRCS_IN
V_COMP_1
V_COMP_2
V_IO_CLK
TUNER_RDS_DA
TA
TUNER_I2C/RDSI
DSP_ERROR
DSP_NON_AUDIO
DIR_SIGNAL
DIR_XST
AT
E
PROG
DIR_MISO
DIR_CE
DIR_RESET
COM_DA
TA
COM_CLK
TUNER_LA
T
MD2
RESET
DESTINA
TION
MODEL
DSP_SPICLK
DSP_MOSI
DSP_MISO
C/SL/SR_R
Y
BRIDGEABLE_R
Y
SBL/SBR_R
Y
FL/FR_R
Y
FUSE_DET
ZONE2_R
Y
HP_R
Y
SW_PREOUT_R
Y
TUNER_CK
TUNER_DA
HDMI_SCL
HDMI_SDA
HDMI_RESET
V_IO_LAT
MU_MD0
MU_RESET
V_IO_DATA
EVOL_CLK
EVOL_DATA
LIMITER
AD_KEY2
AD_KEY1
VOL_JOG
SO
SO
SI
3.3V
SI
V_COMP_DET
TEMP_SENSOR_2
TEMP_SENSOR_1
HP_DET
PROTECT
O
R
V_IO_OE
TUNER_IISD
FLS_CLK/V_MUTE
FLS_CLK/V_MUTE
JL2082
JL2081
JL2080
JL2078
JL2077
JL2075
JL2072
JL2071
JL2068
JL2067
JL2066
JL2065
JL2064
JL2062
JL2059
JL2058
JL2057
JL2056
JL2054
JL2053
JL2052
JL2051
JL2050
JL2049
JL2048
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
29P
CN2003
STBY_+3.3V
SIRCS
FL_BK
FL_GND
FL_LAT
FL_GND
FL_CLK
FL_GND
FL_DATA
+6.3V
NC
DGND
DGND
BLUE_LED
INPUT_JOG
AD_KEY1
VOL_JOG
POWER_SW
MIC_MUTE
TONE_JOG
-7V
DCAC_SIGNAL
AD_KEY2
+7V
V2_VIDEO2
V2_VGND
V2_R-CH
V2_AGND
V2_L-CH
FB2001
0
FB2002
0
FB2003
0
FB2004
0
FB2005
0
FB2006
0
FB2007
0
FB2008
B_LED
AD_KEY2
AD_KEY1
VOL_JOG
V2_VIDEO2
V2_VGND
V2_L-CH
DCAC_SIGNAL
DCDC_+6.3V
SIRCS_OUT
V2_R-CH
POWER_RY
HDMI_CEC
TUNER_MISO
DAC_SCL_IIC
DIGI_DA
TA_MUTE
DAC_SDA_IIC/MUTE_HW
1
2
3
4
5
6
7
8
9
9P
CN2001
DGND
3.3V
RESET
FLASH_CLK
SO
SI
PROG
MD2
MD0
JL2212
JL2213
JL2214
JL2215
JL2216
JL2217
JL2218
JL2219
JL2220
MD0
MD2
PROG
SI
RESET
SO
FLS_CLK/V_MUTE
DIGITAL BOARD
(1/4), (2/4), (4/4)
5
+3.3V REG
IC2001
SIGNAL SELECTOR
IC2122
EEPROM
IC2104
RESET SIGNAL GENERATOR
IC2119
FLASH
PROGRAMMING