HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
33
33
6-17. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
• See page 44 for IC Block Diagrams.
R116
R216
R117
C212
R103
IC701
Q702
R715
R751
R752
R761
R764
Q504
Q551
IC551
R578
Q555
R584
C566
R585
C562
Q716
R308
R346
C207
Q703
Q706
Q707
Q387
Q389
Q392
Q426
Q325
Q554
Q511
Q704
C702
Q393
CN501
D551
C247
R226
R228
C148
R128
R504
R521
JR101
JR201
Q388
C516
R102
R202
R101
R201
R708
R705
R707
CN720
R362
R709
R710
R711
C716
R732
R731
R71
3
CN701
R115
R113
C564
C112
C107
R215
R211
R111
R112
R212
R213
R577
R575
R217
R561
R20
3
C701
C208
C108
C563
R107
R207
C751
C753
C754
C361
C356
C355
C706
C722
S001
CN001
CN751
R510
C248
C147
R126
C715
47
47
100k
220
10V
1k
BA6956AN
KTC3205Y-A
100k
100
10k
100k
100k
RT1P141C
RT1P141C
NJM4580MD
2.2k
KTC3198GR
1k
100
16V
10k
220
10V
ISA1235AC1TP-1EF
100
47
1
50V
KTC3203Y-A
KTC3203Y
RT1P141C
RT1N141C
RT1N141C
RT1N141C
RT1N141C
RT1N141C
RT3X99M
RT3X99M
RT1P141C
470
10V
RT1N141C
8P
1SS355W
1
50V
100k
100k
1
50V
100k
1k
10k
0
0
RT1N141C
0.1
47k
47k
4.7k
4.7k
0
1k
1k
5P
100
22
22
22
1
22k
22k
100k
27P
22k
4.7k
220
10V
220
10V
1 50V
22k
1k
1k
100k
100k
4.7k
22k
2.2k
100k
2.2k
1k
470
10V
22p
22p
0.1
10k
10k
0.1
0.1
0.1
1
1
1
1
0.1
5P
21P
10k
1
50V
1 50V
100k
0.1
C1
C2
C3
C4
C5
C6
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B13
B14
B15
B18
B20
B21
B22
B23
B24
B25
1
100
38
36
35
2
3
19
5
6
7
21
23
25
51
52
53
87
89
88
92
93
94
95
26
54
86
85
C2
B2
E2
E1
B1
C1
C2
B2
E2
E1
B1
C1
GA
T
E
ST_REQ
GPI
N/AIN
SFSY/
BCKI
N
MGN
D
VM(7V)
DVDD(
3.3V)
D-OUT
DGND
SBSY
REQ
CCE
BUC
K
BUS3
BUS2
BUS1
BUS0
RST
AGND
L-OUT
DACGND
R-OUT
AV
D
D(3
.3V)
CLOSE SW
OPEN SW
DGND
CLOSE
OPEN
AUDIO IN L
AUDIO IN GND
AUDIO IN R
HP GND
HP L
HP R
HP DET
AUDIO IN DET
DA
T
A
CLOCK
LRC
K
CCE
BUC
K
BUS3
BUS2
BUS1
BUS0
DVDD3
.3V
DVSS
USB-RST
ST
-REQ
REQ
GA
T
E
A-I
N
BCK
USB
-SI
USB
-SO
DI
DO
DA
T
A
CLOCK
(3/3)
OUTPUT
LOADING MOTOR DRIVE
SELECTOR
INVERTER
MUTING
Q511
MUTING
Q389,504
CONTROL SWITCH
Q387,551
MUTING CONTROL
SWITCH
Q554 MUTING
HEADPHONE
AMP
RIPPLE
FILTER
SELECTOR
DATA
INVERTER
BUS SWITCH
M-MU
TE
ZDET/LRCKIN
Q426,716
CONTROL
SWITCH
REGULATOR
+3.3V
Q392,706,707
REGULATOR
+3.3V
Q393,702-704
BUS
SWITCH
DISC TRAY
OPEN/CLOSE
DETECT
M001
(LOADING)
CLOSE
OPEN
HX50BTR/
HX90BTR
HX70BTR/
(HX80R)
(HX80R)
SHUT DOWN