STR-DH550/DH750
STR-DH550/DH750
38
38
5-23. SCHEMATIC DIAGRAM – PANEL Section –
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
NFC ICON
PC BOARD
(DH750)
3.5
3.5
3.5
7
3.5
3.5
3.5
3.3
3.3
-0.2
5.6
-0.2
5.5
0.1
5
4.8
5
3.2
0
2
4.7u
C114
220p
C148
220p
C149
C130
0.022u
0.1u
C122
C128
0.01u
33p
C119
33p
C121
100p
C115
0.1u
C143
1u
C1
12
75
R167
75
R168
75
R169
75
R170
75
R1
12
75
R171
0.0022u
C125
C138
0.1u
R151
8.2k
R139
8.2k
0.0033u
C132
0.0033u
C133
0.1u
C141
0.1u
C140
C129
0.0047u
0.1u
C113
16V
100u
C124
50V
10u
C117
16V
22u
C118
16V
22u
C120
50V
1u
C123
6.3V
220u
C131
50V
C137
10u
50V
C127
47u
50V
1u
C116
CL137
CL138
CL139
CL140
CL141
CL142
CL143
CL144
CN103
9P
1
STBY_3.3V
2
NFC_SPICLK
3
NFC_DATA
4
NFC_SEL
5
NFC_IRQ
6
NFC_SW
7
NFC_RFDET
8
DGND
9
NC
BA
V99-215
D106
BA
V99-215
D107
SA10QA04
D103
SA10QA04
D109
D104
UDZVTE-172.0B
INPUT SELECTOR
EN100
1
2
3
5
0uH
FB100
L101
47uH
L102
47uH
ND101
VACUUM FLUORESCENT DISPLAY
1
2
4
5
12
14
15
17
21
23
27
29
31
33
34
8
10
35
53
54
PDTC114ET
Q103
B
B
E
C C
QS5W2TR
SWITCHING TRANSISTOR
SWITCHING
TRANSISTOR
CONTROL
SWITCHING
TRANSISTOR
CONTROL
Q101
2SB1710TL
Q104
1k
R135
R165
0
R149
680
R120
0
4.7k
R132
2.2k
R133
2.2k
R134
100k
R156
1k
R130
2.2k
R131
4.7k
R116
100
R154
4.7k
R117
4.7k
R115
6.8k
R127
10
R113
R140
680
100k
R129
10k
R145
22k
R146
1k
R128
100
R141
47k
R118
1k
R122
47k
R119
47k
R124
10k
R123
68k
R153
4.7k
R121
6.2k
R125
R150
470
R160
100
R159
100
R158
100
R157
0
33k
R114
R137
100
R136
100
56k
R126
VO
1
GND
2
VCC
3
4
NJM2904M
IC101
A_OUTPUT
1
A-INPUT
2
A+INPUT
3
GND
4
B+INPUT
5
B-INPUT
6
B_OUTPUT
7
V+
8
DC CONVERTER
TRANSFORMER
T100
1
2
4
5
6
7
8
9
3
CL128
CL127
CL126
CL125
CL124
CL123
CL130
CL129
CL121
CL120
CL119
CL131
CL118
CL117
CL116
CL115
CL133
CL114
CL113
CL134
CL112
CL135
CL136
CL111
CL110
CL132
CL122
29P
CN102
1
PUREDIRECT
2
AD2
3
AD1
4
POWERKEY
5
LED_ON
6
LED_STBY
7
AGND
8
+7V
9
DCAC_SIGNAL
10
VOL_JOG
11
INPUT_JOG
12
NFC_RFDET
13
NFC_SW
14
NFC_IRQ
15
NFC_SEL
16
NFC_DATA
17
NFC_SPICLK
18
STBY_3.3V
19
SIRC_IN
20
FL_STB/LATCH
21
DGND
22
FL_CLK
23
DGND/ZONE POWER
24
FL_DATA
25
FL EN
26
FL GND
27
FL_BK/R3_15V
28
FL GND
29
DCDC_6V
SLI-325DCT31W
D108
2PD601ART
Q102
LED DRIVER
220
R143
0
R162
100k
R144
10k
R142
CL147
0.1u
C142
CL109
CL108
CL107
CL106
CL105
CL104
CL146
CL145
11P
CN100
1
AD1
3
POWER_BUTTON
4
DGND
5
NC
6
+3.3V_STBY
7
LED_ON
8
LED_STBY
9
AGND
10
MIC_JACK
11
AGND
CL148
F-
AGND
F+
PIN 1 - F+
PIN 2 - F+
PIN 4 - LGND
PIN 5 - PGND
PIN 8 - VH
PIN 10 - SW
PIN 12 - VIN
PIN 14 - OSC
PIN 15 - VDD
PIN 17 - K2
PIN 21 - K1
PIN 23 - DOUT
PIN 27 - DIN
PIN 29 - CLK
PIN 31 - STB
PIN 33 - KS1
PIN 34 - KS2
PIN 53 - F-
PIN 54 - F-
5
4
A.F.D/2CH
S108
MOVIE
S109
MUSIC
S110
NIGHT MODE
S105
NFC MODULE
DISPLAY
S103
DIMMER
S102
PURE DIRECT
S101
0.0033u
C135
0.0033u
C134
MASTER VOLUME
EN101
1
2
3
5
10k
R147
22k
R148
4
AUDIO AMP
IC101
>017S
MAIN
BOARD
(4/7)
CN2004
(Page 27)
>024S
POWER KEY
BOARD
CN108
(Page 41)
>025S
FRONT JACK
BOARD
CN105
(Page 39)
PNA4823M03S0
IC100
REMOTE CONTROL
SIGNAL RECEIVER
IC100
DH750
S104
CONNECTION PAIRING
BLUETOOTH
(DH750)
INPUT MODE
(DH550)
LED
(PURE DIRECT)
8P
CN2551
1
VDD_3.3V
2
SPICLK(CLOCK)
3D
AT
A
4
SEL
5I
R
Q
6S
W
7R
FD
ET
8G
N
D
9P
CN2550
1
STBY_3.3V
2
NFC_SPICLK
3
NFC_DA
TA
4
NFC_SEL
5
NFC_IRQ
6
NFC_SW
7
NFC-RFDET
8
DGND
9
NC
Ver. 1.1