HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
57
57
6-32. SCHEMATIC DIAGRAM - JACK-KEY Section -
• See page 65 for IC Block Diagrams.
4.6
4.6
4.6
4.6
4.6
4.6
9
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
0
0
0
0
0
0
0
0
6.8
0.8
6.8
6.8
6.8
6.8
0
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
0
3.1
0.2
6.8
6.8
0
6.8
3.3
3.6
4
3.3
0
2.9
3.3
0
0
2.9
2.6
2.9
0
3.3
0
4.6
4.6
3.2
3.2
3.2
0
0
0
0
3.2
CL197
1k
R149
CL200
C150
1000p
15k
R152
CL208
R186
22
8
7
6
5
4321
NJM4558M-TE2
IC104
C171
0.01
C141
0.1
1k
R148
100
R125
FB103
1k
R168
CL203
2.2k
R157
CL195
Q113
Q112, 113
RT1P140C-TP-1
3.3k
R159
CL168
FB104
CL192
R190
100
50V
10
C149
10k
R120
470
R164
16V
47
C140
470p
C153
2.2k
R142
100
R124
R185
22
CL189
CL175
CL194
FB102
CL204
CL173
22k
R166
1
2
3
4
4P
CN108
HP-R
GND
HP-L
HP MUTE
1
C121
10V
100
C142
680
R151
R191
47
CL207
R188 100
CL162
R187 100
CL158
CL160
CL174
100k
R156
R192
47
CL159
47
R158
470p
C139
CL154
MC2837
D113
1000p
C148
220p
C138
RT1N441C-TP-1
Q111
R189
100
2.2k
R140
10k
R153
1000p
C147
CL172
RT1P141C-TP-1
Q114
1
2
CN101
2P
GND
P-SW
CL163
R180
0
CL161
3.3k
R145
220p
C152
CL202
CL157
C170
0.01
CL191
1k
R167
1k
R141
RT1P141C-TP-1
Q115
0.01
C173
22k
R155
CL166
CL171
50V
10
C143
CL209
FB106
0.01
C174
10V
C125
2.2k
R137
CL170
CL169
330
R127
CL155
CL199
2.2k
R154
0.1
C144
MA2J1110GLS0
D112
RT1N441C-TP-1
Q112
5
4
3
2
1
S-T111B33MC-OGSTFG
IC102
100k
R163
FB105
1000p
C157
3.3k
R133
CL190
JW134
CL156
CL196
22
R147
3.3k
R119
100k
R165
100k
R165
R184
4.7k
CL167
MC2837
D114
CL206
R183
4.7k
CL198
100
R150
1
2
3
4
5
6
7
8
9
9P
CN102
SIRCS
E4V
DGND
FL_DA
TA
FL_CLK
5V
FL_CS
DGND(FL)
SW3.3V
4.7k
R162
470
R161
330
R113
CL165
RT1P141C-TP-1
Q104
RT1P141C-TP-1
Q103
RT1P141C-TP-1
Q101
470
R110
1k
R122
470
R118
330
R109
330
R115
470
R116
1k
R121
RT1P141C-TP-1
Q105
RT1P141C-TP-1
Q108
470
R114
RT1P141C-TP-1
Q107
O
G
SML79423C-TP15
D106
330
R117
O
G
SML79423C-TP15
D107
0.1
C126
RT1P141C-TP-1
Q106
1k
R123
RT1P141C-TP-1
Q102
470
R112
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
O
G
SML79423C-TP15
D105
CL164
RT1P141C-TP-1
Q109
RT1P141C-TP-1
Q110
O
G
SML79423C-TP15
D108
O
G
SML79423C-TP15
D104
330
R111
CL177
CL176
2.2k
R132
4.7k
R131
10k
R130
22k
R129
47k
R128
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN103
LED_LA
TCH
6V
GAIN_CONT
PLUG_DET2
MONO_ST_DET
A_CAL
DC-CONT
EN_A
PLUG_DET1
EN_B
D_GND
KEY2
E4V
KEY1
SIRCS
KEY0
D_GND(FL)
5V
FL_CS
FL_DA
TA
FL_CLK
1
2
3
4
4P
CN106
F-AUDIO(L)
9V
F-AUDIO(R)
GND
1
2
3
4
5
1k
R201
1k
R202
10V
100
C137
1k
R203
0.1
C196
47uH
L103
10V
47
C197
RTAN430C-T112A-1
Q116
RTAN430C-T112A-1
Q118
RTAN430C-T112A-1
Q119
RTAN430C-T112A-1
Q117
330
R126
0
JR101
0
JR102
0
JR103
0
JR104
0
JR105
1
2
CN109
2P
GND
P-SW
C175
100p
FB107
FB108
FB109
FB110
0
JR106
0
JR108
0
JR107
0
JR109
IC104
LINE AMP
NJM4558M-TE2
IC105
IC105
LINE AMP
JACK-KEY BOARD
GAIN CONTROL
LED DRIVER
IC103
IC102
+3.3V REGULATOR
(DISC 5)
(DISC 4)
(DISC 3)
(DISC 2)
(DISC 1)
Q101-110
LED SRIVE
MUTING CONTROL
MUTING
MUTING
S109
S108
S107
S106
S105
S110
S111
FUNCTION
DISC 5
S104
S103
DISC 4
S102
DISC 3
S101
DISC 2
S100
DISC 1
S113
/
PW-SW BOARD
ROTARY
ENCORDER
VOLUME
S112
Q116-119
MUTING
PHONES
J101
A. CAL MIC
AUDIO IN/
J100
7
12
H
14
15
2
17
E
9
5
4
G
1
6
J
D
A
F
K
13
I
3
16
C
8
11
10
B
15k
R136
12k
R135
1
C129
MC2837
D109
0.47
C131
68p
C154
0.068
C155
0
R170
0.47
C158
0
R173
2.2k
R169
1M
R171
470p
C156
C163
0.1
8
7
6
5
4321