33
33
HCD-C450
– CPU Section –
• Signal Path
• R-CH is omitted due to
same as L-CH.
: R-Y
IC103 (2/2)
SYSTEM CONTROL
1
3
IC106
6
TUNER UNIT
10V
10
9
IC600
INPUT SEL
IC603
Q603
J600 (1/2)
FM
AM
R-CH
L-CH
R-CH
DI
DO
CK
CE
TUNED
TP1
TUN DO
TUN DI
TUN CLK
TUN CE
TUN STE
3
IC602
AUDIO
A/D CONV
FM +B
SWITCH
Q600-602
FM7.5V
4
5
6
3
2
1
8
CN101
SI0
SO0
SC0
XIFCS
XIFINT
XFRRST
FR
ASEL2
Q604
ASEL1
ASEL2
ASEL1
D612
D611
FM ON
TUN DO
TUN DI
TUN CLK
TUN CE
TUN STE
FM ON
DIG DI
DO
DIG CLK
CS DIR
HCS
LT
X101
IC101
OPTICAL
DIGITAL
IN
IC602
DO
DIGDI
DIGCLK
CSDIR
IC606
1
2
X600
12.288MHz
Q908
Q909
Q910
IC612
DIGITAL AUDIO
DIGITAL AUDIO
PROCESSOR
I/F RECEIVER
SDATAL
SDATAC
SDATALF
SDATALS
DSBC
DSMCK
5
6
3
4
IC607
AUDIO DSP
114
X601
13.5MHz
DIGDI
DIGCLK
HCS
IC608
AUDIO
D/A CONV
5
82
85
.
83
66
.
64
IC604
98
80
.
77
75
.
72
11
10
13
12
9
8
DIGDI
DIGCLK
LT
R-CH
MUTE
CONT
MUTE
Q605
Q900
MUTE
Q903
MUTE
Q902
90
IC902
SERIAL
→
PARALLEL
ASEL1
ASEL2
POWER
DISC 1 - 5
VOLUME
J600 (2/2)
R-CH
D1
D2
D3
SCK
BCKO
LRCKO
SCDT
SHIFT
LAT1
LAT2
LAT3
INIT
NS MUTE
PG MUTE
EN
DIAG
RELAY
HP MUTE
HP SW
VSEL1
VSEL2
VMUTE
CM
43
56
IC802
FL DRIVER
IC801
LED DRIVER
RESET
PCONT2
PCONT1
RESET
34
83
53
54
14-17, 1-4, 6, 7
Q901
FL801
FLUORESCENT
INDICATOR TUBE
60
57
DC/DC
CONV
Q803,804
T801
6.5V
VOL
ENCODER
LED
DRIVE
6.5V
Q801
D812
D801 - 805
84
S800
FUNCTION
KEY
S801-805
FUNCTION
KEY
S821-825
80
81
82
FUNCTION
KEY
S811-820
IC903,904
SIRCS
SWITCH
Q906,907
92
91
38
IC800
39
X901
16MHz
12V
IC601
IC600
IC605
10V
5V
2.5V
DA3V
TRST
SPDIF
g
AUDIO 1
IN
L
AUDIO 2
AUDIO 2
IN
L
AUDIO 1
OUT
L
R
Q711
Q714
SWITCH
w w w . x i a o y u 1 6 3 . c o m
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
5
1
5
1
3
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299