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HCD-EH25/EH26
HCD-EH25/EH26
13
13
7-2. BLOCK DIAGRAM - TUNER/USB Section -
FM MIX
AMP
Q803
FM/AM TUNER,
FM/AM PLL
IC801
RDS DECODER
IC861
36 FMRF-IN
8 FMIF-IN
22 MPX-IN
1 AMRF-IN
31 AM-OSC
25
TU_DO
56
TU_CLK
55
TU_CE
57
TU_DI
39
TU_ASD
SYSTEM CONTROLLER
IC701 (2/3)
+4V
REGULATOR
Q862
VM +9V
RDS +4V
X801
75kHz
20
19
XIN
XOUT
16
DI
17
CL
15
CE
18
DO
25
AGC
1
CNP802
ANTENNA
FM/AM
3
BAND-PASS
FILTER
BPF801
AM
TRACKING
L851
AM-RF
AM VT
VOLTAGE
L852
AM-OSC
D851
CF801
7 AMIF-IN
L803
AM-IFT
34 FMRF-OUT
FM
TRACKING
L804
FM-RF
32 FM-OSC
FM VT
VOLTAGE
L805
FM-OSC
VM +9V
11 FM-DET
FM
DETECTOR
L806
FM-DET
3
FM-MIX
30
BO2
23
FMDET-OUT
12
L-OUT
13
R-OUT
R-CH
TUNER-L
5
AM-MIX
24
AMDET-OUT
CF802
CF803
4
FIN
DET AMP
Q861
26
RDS_DA
TA
2
D0
45
RDS_CLK
16
CL
X861
4.332MHz
14
13
XIN
XOUT
B
• SIGNAL PATH
: AM
• R-ch is omitted due to same as L-ch.
: FM
(EH25: AEP, UK/EH26)
3
CN104
(USB)
D+
D–
2
USB CONTROLLER
IC101
D/A CONVERTER
IC105
USB_DP
34
USB_DM
33
DATA 55
LRCK 53
BCK 54
DIN
1
LRCI
3
MCLK
2
VOUTL 8
VOUTR 5
XOUT_PLL
XIN_PLL
40
41
X101
16.9344MHz
CLOCK SHIFT
IC104
MCLK
4
RESETX
1
SDA
13
SCL
12
BUSY
11
MCHNG
10
USB_SDA
49
USB_SCL
50
USB_BUSY
19
MCHING
18
USB_RESET
17
: USB
R-CH
C
USB-L
(Page 14)
(Page 14)
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