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STR-DH520
STR-DH520
27
27
4-15. SCHEMATIC DIAGRAM – DIGITAL Board (2/4) –
• See page 18 for Waveforms. • See page 42 and 43 for IC Block Diagrams. • See page 47 and 48 for IC Pin Function Descriptions.
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 (2/4)
14 15
12
13
2
3
6
5
4
1
16
3.3
6
0
0
0
3.3
0
0
3.3
3.3
0
0
3.3
1.8
1.8
3.3
0
0
0
3.3
3.3
3.3
0.8
0 3.3 3.3 3.3 3.3
0
0 3.3
0
0
0 3.3
0 3.3
0
0
0 1.8
0 3.3 3.3 3.3 3.3 3.3 3.3
0
3.3
0
3.3
3.3
3.3
0
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
0
3.3
0
0.9
0.9
0.6
0
1.5
0
0
1
1
0
0
0
1
0
0
3.3
3.3
2
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
0
3.3
1.6
2.7
3.3
2.7
3.3
3.3
3.3
0
3.3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
2
3
4
5
6
7
8
9
10
11
12
13
14
VSEL_2
VSEL_1
V_MUTE_1
COMP_SW2
POWER_DET
SIRC
DIR_RST
DCDC+6V
VSEL_2
VSEL_1
V_MUTE_1
SO
DA
CK
BRIG_R
Y
MD2
FL_CLK
FL_DATA
FL_CLK
RESET_MAIN
FL_LAT
INPUT
AD_KEY1
AD_KEY2
VOLUME
FL_GND
DCDC+4V
SIRC
HDMI_RESET
CEC_OUT
TONE
FLASH_CLK
SI
DIR_SIGNAL
DIR_INT
MODEL
FUSE_DET
COMP_DET
FL/FR_RY
C/SL/SR_RY
STBY_SUPPLY
+3.3V_STBY
COMP_SW2
MD0
DIR_CE
IISD
COMP_DET
STOP
VERSION
RESET
DSP_SFLASH_HOLD
HDMI_MISO/SCL
HDMI_MOSI/SDA
CEC_IN
CEC_OUT
CEC
MD
CEC_IN
POWER_DET
AD_KEY1
AD_KEY2
TONE
VOLUME
INPUT
LIMITER
TUNER_RDS_DA
TA
TUNER_CE
TUNER_MISO
SBL/SBR_R
Y
E2P_DA
TA
E2P_CLK
VCC_3.3V
NO_USE
SW_RY
HP_R
Y
HP_DET
EVOL_DATA
EVOL_CLK
DAC_MUTE
DAC_LAT
COM_DATA
PROTECTOR
COM_CLK
STOP
STBY_SUPPLY
DIR_MPO0
DIR_XST
AT
E
DIR_MISO
DIR_MISO
DSP_ERROR
3.3V
DSP_SPICLK
HDMI_CNVSS
DSP_MOSI
DSP_MISO
DSP_INT
DSP_RST
DSP_NONAU
DSP_CS
DSP_UAR
T_SEL
I2C/RDSI
VERSION
MODEL
FL_DATA
FL_LAT
RECTIFIER_TEMP
TEMP_SENSOR_2
TEMP_SENSOR_1
DSP_SEL
+3.3V_STBY
C2417
0.1
X2101
4MHz
C2023
10
RB2102
100
Q2705
CEC DATA SWITCH
RT1N141C-TP-1
Q2703
CEC DATA SWITCH
2SC3052EF-T1-LEF
Q2704
CEC DATA SWITCH
CEC DATA SWITCH
2SC3052EF-T1-LEF
Q2702
ISA1235AC1-T112-1EF
C21
12
0.1
FB2311
0uH
FB2101
0uH
C2021
0.47
IC2107
BA33BC0FP-E2
CL2092
CL2087
CL2097
CL2083
CL2093
CL2088
CL2091
CL2085
CL2098
CL2080
CL2094
CL2086
CL2095
CL2053
CL2047
CL2031
CL2027
CL2024
CL2059
CL2040
CL2049
CL2041
CL2058
CL2056
CL2210
CL2211
CL2212
C2459
0.1
R2007
1M
RB2109
100
R2324
10k
R2131
10k
R2228
10k
R2744
10k
R2132
10k
R2747
10k
R2054
100
R2250
10k
R2130
2.2k
R2160
IC2020
S-80929CNMC-G8ZT2G
RB2104
100
100
RB2106
RB2107
100
R2321
C2206
1000p
C2208
0.1
15P
FL_CLK
FL_DIN
FL_LAT
INPUT_JOG
AD1
AD2
SIRCS
PW_SW
VOL_JOG
+3.9V_DCDC
FL_GND
FL_GND
+3.3V(STBY)
DGND
TONE_JOG
R2906
47
R2057
R2197
100
R2114
R2607
100
R2119
R2609
100
R2620
100
R2621
R2612
100
R2123
R2616
100
R2622
100
R2124
R2619
100
100
100
100
220
R2746
470
R2285
1k
R2741
1.5k
R2100
22k
R2742
22k
R2743
10k
R2015
C2130
0.1
C2101
0.1
C2127
0.1
C2418
0.1
C2413
0.1
C2416
0.1
C2469
0.1
C2462
0.1
C2721
0.1
C2722
0.1
C2402
0.1
27k
R2745
10k
R2158
C2119
0.1
R2613
JL2849
C2022
470 16V
C2131
47 16V
C2883
4.7
C2884
4.7
D2019
DA2J10100L
2.2k
R2608
CN2061
D2714
1SR154-400TE-25
10k
R2915
100
R2917
100
R2918
100
R2919
100
R2920
CN2103
14P
NC
1 COMP_SW2
V_MUTE_1
VSEL_1
VSEL_2
VIDEO2
VIDEO2_VGND
COMP_DET
STOP
POWER_RY
STBY_SUPPLY
+3.3V STBY
VERSION
MODEL
100
R2923
C2466
1000p
C2125
1000p
100k
R2392
470
R2006
C2203
0.1
IC2033
TC7SH126FU
10k
R2249
C2465
0.1
C2126
4.7
C2128
100p
4.7k
R2928
IC2019
TC7SH08FU
RB21
19
100
C2909
0.1
10k
R2931
R2112
2.2k
2.2k
2.2k
100
100
R2614
R2220
R2921
100
100
RB2105
100
47
R2930
R2052
10k
10k
10k
10k
R2953
C2912
0.1
C2918
0.1
C2917
0.1
C2913
0.1
10k
R2939
D2701
RB751V-40TE-17
1k
R2951
1k
R2952
Q2006
DATA SWITCH
2SC3052EF-T1-LEF
470
R2914
470
R2251
CL2213
100
R2932
0
R2961
1M
R21
16
1M
R2322
MD0
MD2
SI
SO
FLASH_CLK
RESET
GND
3.3V
DIR_MISO
CN2602
9P
GND
3.3V
RESET
CLK
SO
SI
PROG
MD2
MD0
CL2007
CL2005
CL2004
CL2003
CL2001
CL2006
CL2002
CL2010
CL2009
1
2
3
4
5
6
7
8
9
10k
MAIN RESET SWITCH
IC2033
+3.3V REG
IC2107
RESET SWITCH
IC2019
RESET SIGNAL GENERATOR
IC2020
FLASH
PROGRAMMING
DIGITAL BOARD
(1/4), (3/4)
2