HCD-HX3/HX5/HX7
20
20
HCD-HX3/HX5/HX7
6-3. Block Diagram – MAIN Section –
(HX5/HX7)
(HX7)
OUTPUT SELECTOR
IC310
A
13
14
12
10
AUDIO IN
R-CH
J981
CD-L
A
BT-L
F
TUNER-L
E
SC_D_IN,
SC_D_OUT
D
6
8
5
4
10
A
9
B
SEL A
57
SEL B
58
22
DATA
21
CLK
AMP DATA
55
AMP CLOCK
56
TA LINE-MUTE
54
HP MUTE
52
HP DET
68
AUDIO IN DET
69
XM_PWR_3.3V/5V
92
H
(HX5/HX7)
L-CH
G
BT OUT-L
X
X1
X0
LOUT
INPUT SELECTOR, ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC304
SYSTEM CONTROLLER
IC301 (3/5)
: AUDIO
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: XM
: SIRIUS
: AUDIO IN
: TUNER (FM/AM)
PHONES
R-CH
J982
11
15
BT AUD OUT MUTE
53
6
INH
SEL INH
59
Q309
Q308
Q311
Q328
INPUT SELECTOR
IC303
13
X2
12
X0
X3
INL3
7
INL4
IGOUTL
VOLINL
INL2
INL1
X
9
MUTING
IC315
R-CH
27
MUTING
CONTROL SWITCH
Q303, 304
MUTING
IC316
R-CH
MUTING
CONTROL SWITCH
Q306, 307
HEADPHONE
AMP
IC317
LINE AMP
IC051
D/A CONVERTER
IC041
5
PDN
3 SDTI
11
AOUTL
AOUTR 10
R-CH
2 BICK
4 LRCK
1 MCLK
XM RECEIVER
IC001
37
I2S_DA
39
I2S_CLK
41
I2S_LRCLK
43
I2S_OCLK
18 COMM_RX_P
19 COMM_RX_N
23 COMM_TX_P
22 COMM_TX_N
J001
3
2
1
D+
D–
VCC
XM
XM RESET
91
SAT SEL
93
11
RST#
3
SC_TX_OUT
5
SC_RX_IN
OSC_IN
OSC_OUT
SR_POWER
94
11
10
12
1
2
13
8
9
6
4
3
5
DATA BUS SWITCH
IC318
6 SSP_D_IN
8 L_OUT
5 R_OUT
2 PWR ENABLE
3 SSP_D_OUT
R-CH
XM
+5.4V
B+ SWITCH
Q316, 317
LEVEL SHIFT
IC321
XM
+5.4V
XM
+3.3V
B+ SWITCH
Q001, 003
+4V
B+ SWITCH
Q314, 315
J301
SIRIUS
Q320
SC_D_IN
SC_D_OUT
D216
(HX3/HX5)
(HX5/HX7)
(HX3)
26
28
X001
45.158MHz
(HX5/HX7)
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