STR-DH550/DH750
STR-DH550/DH750
39
39
5-26. PRINTED WIRING BOARD – TUNER1 Board –
• See page 14 for Circuit Boards Location. •
: Uses unleaded solder.
5-24. PRINTED WIRING BOARD – FRONT JACK Board –
• See page 14 for Circuit Boards Location. •
: Uses unleaded solder.
5-25. SCHEMATIC DIAGRAM – FRONT JACK Board –
1
A
B
C
2
3
4
5
6
FRONT JACK BOARD
(CHASSIS)
J100
AUTO CAL MIC
CL175
C151
220u
10V
CN106
4P
1
2
3
4
CL173
C150
0.1u
C154
0.22u
R193
100
CL170
CL172
C152
0.1u
0
R190
D126
DZ2J062M0L
0
R191
0
R192
CL171
D129
BAV99-215
D130
BAV99-215
CN105
3P
AGND
MIC_JACK
AGND
CN104
5P
1
GND
2
DP
3
DM
4
VBUS
5
SHIELD BUS
GND
D+
D-
VBUS
1
2
3
ET101
1
2
3
DC5V 1A MAX
>025S
DISPLAY
BOARD
CN100
(Page 38)
>022S
MAIN BOARD
(7/7)
CN2900
(Page 30)
1
A
B
C
D
E
F
2
3
4
5
6
7
8
ET101
1
5
CN104
1
3
CN105
5
6
7
1
4
CN106
C151
J100
D126
K
A
D130
A/K
A/K
KA
KA
D129
R190
C152
R191
C150
R192
JR
JR
JR200
JR
JR JR201
CL170
CL171
CL172
CL173
CL175
R193
C154
FRONT JACK BOARD
1-889-540-
12
(12)
MAIN BOARD
CN2900
(Page 22)
>005P
DISPLAY BOARD
CN100
(Page 37)
>011P
(CHASSIS)
DC5V 1A MAX
AUTO CAL MIC
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
IC101
IC102
1
2
4
3
X101
L101
FL101
I
G
O
2
1
8
9
CN101
1
3
CN103
A001
CN102
CN104
R106
R105
R103
R101
R110
C105
C101
C111
C1
12
D103
C109
C103
R107
C108
C102
C107
L105
D102
D101
C106
JR
JR101
R104
JR
JR102
JR
JR105
R108
R109
JL1
13
JR
JR109
JR
JR112
C1
10
R1
13
JR
JR106
L103
L104
JL107
JL1
17
JL112
JL118
JL102
JL108
JL115
JL106
JL109
JL104
JL103
JL105
JL1
16
JL1
10
JL111
JL114
JL131
JL125
JL124
JL135
JL127
JL132
JL130
JL121
JL133
JL128
JL134
JL129
JL126
JL122
JL123
TUNER1
BOARD
1-885-134-
11
(11)
(CHASSIS)
(CHASSIS)
FM
ȍ&2$;,$/
AM
ANTENNA
L101
1
S1
2
3
6
4
S2
86&1'0;%5
$(38.$86(7:
MAIN BOARD
CN2003
(Page 22)
>004P
Ver. 1.1