HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
1818
6-3. BLOCK DIAGRAM - MAIN Section -
(HX50BTR/HX70BTR/HX90BTR)
(HX80R/HX90BTR)
OUTPUT SELECTOR
IC510
A
13
14
12
10
AUDIO IN
R-CH
J981
CD-L
A
BT-L
E
TUNER-L
D
6
9
4
2
10
A
9
B
SEL A
70
SEL B
71
26
SDA
25
SCL
AMP IIC_SDA
24
AMP IIC_CLK
22
TA LINE-MUTE
89
HP MUTE
87
HP DET
86
AUDIO IN DET
85
G
(HX50BTR/HX70BTR/HX90BTR)
L-CH
F
BT OUT-L
X
X1
X0
OUT2
INPUT SELECTOR, ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC501
SYSTEM CONTROLLER
IC301 (3/5)
: AUDIO
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: DMPORT
: TUNER (DAB)
: AUDIO IN
: TUNER (FM/AM)
PHONES
R-CH
J982
15
12
BT AUD OUT MUTE
88
6
INHSEL INH
72
Q370
Q371(HX80R/HX90BTR)
Q372
Q388
INPUT SELECTOR
IC503
13
X0
14
X1
X2
C2
8
D2
SEL2
VOL2
B2
A2
X
12
MUTING
Q511
R-CH
19
MUTING
CONTROL SWITCH
Q389, 504
MUTING
Q554
R-CH
R-CH
MUTING
CONTROL SWITCH
Q387, 551
HEADPHONE
AMP
IC551
CN901
13
11
L+
L–
DMPORT
(HX50BTR/HX70BTR/HX90BTR)
(HX80R)
(HX50BTR/HX70BTR/HX90BTR)
DAB TXD_OUT
47
DAB RXD_IN
48
DAB TUNER MODULE
DAB ANT AUDL
AUDR
S1_DOUT
R-CH
S1_DIN
LOW-PASS
FILTER
IC803
ANTENNA
DAB 75Ω
14
12
R+
R–
6
5
TXD
RXD
7
DET
LINE AMP
IC521
CLINK RXD_IN
78
DMPORT DET
84
CLINK TXD_OUT
77
(Page 16)
(Page 17)
(Page 17)
(Page 17)
(Page 19)
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9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
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0
5
1
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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