HCD-HX3/HX5/HX7
34
34
HCD-HX3/HX5/HX7
6-16. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
See page 46 for IC Block Diagrams.
J301
CN316
IC309
C360
D215
R357
R358
R243
R359
R354
R355
R356
R130
R230
J
W
1
1
7
R415
R414
Q316
IC321
C240
R431
R413
R428
Q314
R425
R416
D216
R122
Q308
Q309
Q311
Q328
C107
C111
C207
C301
C302
C304
C307
C308
C315
C318
C319
C321
C337
C348
C353
C364
C366
CN304
CN310
D205
D206
D207
D209
EP301
IC305
IC306
IC307
IC308
IC316
Q303
Q304
Q305
Q306
Q307
R111
R113
R114
R117
R118
R209
R211
R212
R213
R214
R215
R217
R218
R419
R421
R422
R423
R435
CN314
R128
R126
IC310
R226
R228
R124
R119
R129
C214
R219
R229
R224
JR116
R123
C359
JR101
IC303
JR115
IC318
R251
R106
R206
C248
C148
R233
R133
R205
R105
CN309
R248
R249
R250
D203
CN321
R221
C113
C114
C213
R116
R216
C212
IC317
R127
C363
Q317
Q315
C112
R112
R110
R210
R426
R121
C365
R120
R109
JR112
R427
C247
R115
C368
R220
R232
R132
R131
R231
Q320
Q324
Q302
Q323
IC315
C147
1 50V
220
10V
1
50V
2200
16V
0.1
0.1
0.1
470
10V
0.1
0.01
220
10V
0.1
1
1
0.01
220
10V
47
25V
2P
19P
1N4002-B5
1N4002-B5
1N4002-B5
1N4002-B5
KIA7809API
TA7807S
TA7804LS
MM1615ANLE
RT3C55M
RT1N141C
RT1P141C
KTC3198GR
RT1N141C
RT1P141C
1k
4.7k
2.2k
100k
1k
10k
1k
100k
4.7k
2.2k
22k
100k
1k
1
100k
10k
22k
22k
1N4002-B5
47
47
220
10V
NJM4580MD
22k
0.1
220
10V
100k
10k
10k
10k
22k
RT3C55M
A1
A2
A3
A4
A5
C1
C2
C3
C4
94
3
6
93
93
35
60
61
31
34
32
63
47
7
45
43
42
33
44
40
39
91
92
S
CD
O
UT
SC
DIN
SCDOUT
SCDIN
5
4
53
AOUTL
X
Y
RIN
LIN
LIN
AOUTR
Y1
X1
85
52
65
58
57
59
92
8P
3P
KIA7805AIP
220
10V
11EQS04
4.7k
100
2.2k
0
10
0
4.7k
3.3k
3.3k
10k
1k
2SA1235
1
2.2k
10k
4.7k
2SA1235
1k
1k
MC2838
10k
RT1N141C
RT1N141C
RT1N141C
RT1N141C
15P
100k
100k
MC14052BD
100k
100k
100k
100k
100k
1 50V
100k
100k
100k
0
10k
0.1
0
MC14052BD
0
TC74HC4066AFT
1k
47k
47k
1 50V
1 50V
4.7k
4.7k
4.7k
4.7k
15P
10k
470
22k
10k
1 50V
1
50V
1 50V
RT1N141C
RT1N141C
4.7k
10k
0.1
2.2k
0
10k
1 50V
100
16V
2.2k
4.7k
4.7k
2.2k
2.2k
RT1N141C
RT1N141C
2SC3052F
KTA1271Y-AT
1
50V
GND
C2
B2
E2
E1
B1
C1
C2
B2
E2
E1
B1
C1
IN
H
V
E
E
G
N
D
V
C
C
Y
0
Y
2
Y
Y
3
Y
1
B
A
X
3
X
0
X
X
1
X
2
VO
VI
C
O
N
T
G
N
D
N
O
IS
E
11V
DVDD5
AGND
AOUTL
AOUTR
DGND
AVDD5
INH
VEE
GND
VCC
Y0
Y2
Y
Y3
Y1
X3
X0
X1
X2
A
B
X
AGND
+11V
GND
DGND
AINL
AINR
DVDD_5V
A+5V
AGND
AGND
D+3.3V
INIT
DGND
/SD
DGND
/RST
OVF
/OTW
L-OUT
AGND
R-OUT
+9V
DGND
RST#
DGND
XM +3.3V
XM 5V POWER
XM +5V
XM 5.4V
ERR-IRQ#(NC)
CMD-SEL(NC)
SC-D-OUT
SC-D-IN
1
A
1
B
2
B
2
A
2
C
3
C
G
N
D
V
C
C
1
C
4
C
4
A
4
B
3
B
3
A
(CHASSIS)
(2/3)
(CHASSIS)
SIRIUS
L-OUT
A-GND
SSP_D_IN
GND
SSP_D_OUT
PWR ENABLE
R-OUT
G
O
I
RIPPLE FILTER
G
N
D
V
C
C
G
O
I
+4V REGULATOR
Q316,317
B+ SWITCH
LEVEL SHIFT
TC7WT125FU(TE12R)
V
C
C
G
N
D
Q314,315
+9V REGULATOR
+7V REGULATOR
G
O
I
I
O
G
MUTING
HEADPHONE AMP
Q306,307
MUTING CONTROL
SWITCH
INVERTER
INVERTER
INVERTER
MUTING
INVERTER
Q303,304
SWITCH
+5V REGULATOR
OUTPUT SELECTOR
INPUT SELECTOR
Q302,323,324
B+ SWITCH
BT_RESET
BT_TXD
BT_RTS
BT_RXD
BT_CTS
BT_AV_ROLE
(HX3/HX7)
(HX5)
R-IN
L-IN
NSPMUTE
SCLATCH
SCSHIFT
SCDT
SOFTMUTE
PGMUTE
2P(HX3)
4P(HX5)
(HX7)
(HX3/HX5)
(HX5)
(HX7)
(HX5/HX7)
(HX3)
(HX3)
(HX7)
(HX5/HX7)
+5.4V REGULATOR
INVERTER
DATA BUS SWITCH
B+ SWITCH
(HX3/HX5)
(HX3/HX5)
MUTING CONTROL
1
3
(HX3:CND/HX5:CND,AUS,KR)
(HX3:AEP/HX5:AEP,UK/HX7)
D209
(Page
31)
(Page
29)
(Page 37)
(Page 39)
(Page 33)
(Page 45)
(Page 27)
(Page 35)
