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STR-DH520
STR-DH520
40
40
4-30. SCHEMATIC DIAGRAM – PANEL Section –
• See page 18 for Waveforms. • See page 44 for IC Block Diagrams.
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
DISPLAY BOARD
POWER KEY BOARD
-22 -23 -24 -24 -24 -24 -16 -24 -16 -20 -22
3.3
0
0
0 1.8 1.7
0 3.3
3 0.7 0.7
-16
-24
-20
-20
-14
-20
-16
-24
-16
3.3
-22
-22
-22
-22
-22
-22
-22
-22
-22
3.3
3.3
3.3
0
4
0
4
S107
MEMORY/
ENTER
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
CL107
CL108
CL109
CL110
CL111
CL112
CL113
CL114
CL115
CL116
CL117
CL125
CL127
CL128
RV102
1
2
3
CL105
CPH5504-TL-E
Q101
0.022
C163
4700p
C164
0.01
C165
33k
R152
100
R153
R121
10
82k
R118
R1
15
100
100
100
R1
16
R1
17
100
R119
C106
2200p
C114
0.22
C110
C111
220p
220p
220p
C112
CL129
10V
100
C168
1
R199
1
R198
CL104
CL118
CL150
CL151
CL152
CL153
CL155
CL159
CL160
1k
R151
10
JS105
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CNS106
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
NC
R101
1k
R102
2.2k
2.2k
R103
4.7k
R104
10k
R105
22k
R106
47k
R107
1k
R108
2.2k
R109
MC2837
D142
MC2837
D141
FB151
1kohm
2
3
5
6
8
7
1
4
9
FL101
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
2
53 54
1
6
5
8
9
7
35V
47
C167
GP1UE274RKC1
IC103
1
3
4
5
CN101
5P
AD1
PW_SW
DGND
INPUT_JOG
1SR154-400TE-25
D107
C107
2200p
R120
10
CL154
CL156
CL157
CL158
CL161
CL162
CL163
CL164
CL165
CL166
CL167
CL168
CL169
CL170
CL171
CL172
CL173
CL174
CL175
CL176
CL177
CL178
CL179
CL180
CL181
CL182
CL183
CL184
CL185
CL186
CL187
CL188
CL189
CL190
CL191
CL192
CL193
22k
R131
10k
R130
DZ2J051M0L
D105
C109
0.1
C108
0.1
0.1
C144
0.1
C166
47uH
L106
0.1
C100
0.1
C101
50V
10
C161
50V
C162
10
50V
C105
10
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
11G
9P
7P
2P
1P
7G
3P
17P
16P
15P
14P
13P
12P
11
P
8P
7P
6P
5P
4P
3P
2P
1P
15P
4G
13P
11
P
10P
4P
9P
10P
5P
14P
4G
16P
2G
5G
12P
6G
8P
10G
1G
3G
8G
9G
AD1
AD2
6P
11
G
17P
MASTER VOLUME
S106
2CH/
A.DIRECT
S105
A.F.D
S124
MOVIE/
HD-D.C.S.
S104
MUSIC
S103
DISPLAY
S102
DIMMER
S101
MUTING
S108
S109
TUNING -
S110
TUNING MODE
RV180
1
2
3
C180
2200p
2.2k
R180
CL119
CL120
CL121
CL122
C181
2200p
22k
R185
10k
R186
1
2
3
4
4P
CNP180
AD1
PW_SW
DGND
Input Jog
S121
INPUT MODE
INPUT
SELECTOR
S180
"/1
REMOTE CONTROL
SIGNAL RECEIVER
IC103
SWITCHING
TRANSISTOR
CONVERTER
TRANSFORMER
T101