Sony DAV-C450 / HCD-C450 Service Manual ▷ View online
33
33
HCD-C450
– CPU Section –
: FM
: CD
: DVD
: CHROMA
: Y
• Signal Path
• R-CH is omitted due to
same as L-CH.
same as L-CH.
: R-Y
: B-Y
: VIDEO
IC103 (2/2)
SYSTEM CONTROL
54
X0
25
SI0
26
SO0
1
2
3
IC106
27
SC0
4
5
6
IC106
51
XIFCS
12
13
11
IC106
20
INT4
83
MA MUTE
TUNER UNIT
10V
14
12
15
11
10
9
13
IC600
INPUT SEL
B
A
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
1
LIN
1
15
DOUT
14
BCK
13
LRCK
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
FR
70
SDI
4
IFSC0
3
CLK
5
XVIFCS
68
XFRINT
67
IFOK
69
XFRRST
66
ASEL2
Q604
ASEL1
ASEL2
ASEL1
D612
D611
FM ON
98
TUN DO
96
TUN DI
99
TUN CLK
89
TUN CE
95
TUN END
94
FM
TUN DO
TUN DI
TUN CLK
TUN CE
TUN STE
FM ON
7
DIG DI
24
DIR DO
8
DIG CLK
19
DIR CE
13
DSP CS
32
DAC CS
DIG DI
DO
DIG CLK
CS DIR
HCS
LT
53
X1
7
WP
X101
39
SCL
38
SDA
7
6
5
EEPROM
IC101
33
AD RST
RSTB
6
SYSCLK
16
OPTICAL
DIGITAL
IN
B
RF/SERVO
VIDEO
SECTION
3
OUT
IC602
DO
DIGDI
DIGCLK
CSDIR
DIN1
4
IC606
DIN0
3
DO
35
DI
36
CL
38
CE
37
XIN
22
XOUT
21
ERROR 34
AUDIO 24
1
2
X600
12.288MHz
Q908
Q909
Q910
16
DATA
13
CKOUT
14
BCK
15
LRCK
20
XMCK
EXID2
57
47
F2FLREX1
IC612
DIGITAL AUDIO
DIGITAL AUDIO
PROCESSOR
I/F RECEIVER
EXID1
58
EXI MCK
59
EXI BCK
55
EXI LRCK
56
DSIFL
63
46
F2CSWEX2
45
F2SLR
43
F2BCK
44
F2LRCK
49
CKOUT
IC900
65
66
67
62
52
XMODE
48
SDATAL
SDATAC
SDATALF
SDATALS
DSBC
DSMCK
DSICT
DSISW
DSISL
DSBCKF
MCK
SYNC
78
INIT
79
SELEXT
77
17
XSTATE
5
6
IC900
3
4
IC900
SDI1
18
23
SDO1
IC607
AUDIO DSP
SDI2
30
SDI3
114
BCKI1
17
BCKI2
29
LRCKI1
15
KFSIO
22
LRCKI2
28
MCLK1
9
MCLK2
12
X601
13.5MHz
GP8
59 EXLOCK
69
BST
56
DIGDI
DIGCLK
HCS
HD IN
33
HCLK
34
HCS
36
PM
113
XRST
2
24
SDO2
25
SDO3
20
BCK
DATA
2
7
LOUT
IC608
AUDIO
D/A CONV
26
SDO4
19
LRCK
67
GP10
14
SCK
5
7
IC610
112
110
.
109
97
.
92
82
85
.
83
66
.
64
.
A0-15
45
WE0
44
CS0
IC604
SRAM
108
107
.
105
102
99
98
80
.
77
75
.
72
.
D0-15
.
68
GP9
32
HACN
35
HDOUT
11
10
IC900
13
12
IC900
9
8
IC900
DIGDI
DIGCLK
LT
DATA
13
CLK
14
LT
15
MCLK
16
BCK
1
LRCK
3
8
ROUT
R-CH
MUTE
CONT
CONT
MUTE
Q605
Q900
17
DSP PLOCK
20
DIR XST
18
DIR ERR
48
SYNC
23
DIR XMODE
12
DSP PM
15
DSP BST
11
DSP RST
6
DSP DO
14
DSP HACN
16
DSP GP9
44
AU MUTE
22
DIR AD
MUTE
Q903
1
DAMP DA
TA
MUTE
Q902
2
DAMP CLK
28
CS1
29
CS2
30
CS3
25
DAMP MUTG
31
DAMP RST
49
OCP
46
RELA
Y
55
FL MUTE
50
HPSW
61
SERI DATA
STOP
90
26
DAMP MUTEN
IC902
SERIAL
→
PARALLEL
62
SERI CLK
63
IO DATA
64
IO LAT
65
IO RST
DI1
26
CLK
3
DO1
15
LATCH
4
RSTB
2
24
P0
23
P1
6
P14
7
P13
22
P2
8
P12
21
P3
11
DVD PW
45
V MUTE
27
COMP-M
ASEL1
ASEL2
F
AUDIO-2
SECTION
D
VIDEO
SECTION
POWER
DISC 1 - 5
VOLUME
J600 (2/2)
R-CH
E
AUDIO-2
SECTION
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
STPOW
43
FL CS
56
IC802
FL DRIVER
IC801
LED DRIVER
RESET
PCONT2
PCONT1
RESET
G
POWER
SECTION
RESET
34
ENA
83
FL CLK
53
FL DA
TA
54
40 51
5
39
G1 12
S1 35
14-17, 1-4, 6, 7
P1 10
AD1
4
AD2
3
63
DA
T
62
CLK
61
CS
Q901
FL801
FLUORESCENT
INDICATOR TUBE
LED-CS
60
LED-CLR
57
13
CLR
12
STB
11
CLK
10
D
ATA
DC/DC
CONV
Q803,804
T801
6.5V
VOL
ENCODER
LED
DRIVE
6.5V
Q801
D812
D801 - 805
ENB
84
S800
FUNCTION
KEY
S801-805
IC901
CPU
FUNCTION
KEY
S821-825
KEY0
80
KEY1
81
KEY2
82
FUNCTION
KEY
S811-820
RESET
IC903,904
SIRCS
SWITCH
Q906,907
RDS DA
TA
92
SIRCS
91
X2
38
REMOTE
CONTROL
RECEIVER
1
IC800
X1
39
X901
16MHz
10V
REG
12V
IC601
3
1
5V
REG
IC600
3
1
2.5V
REG
REG
IC605
3
1
10V
5V
2.5V
DA3V
C
RF/SERVO
SECTION
A
RF/SERVO
SECTION
TRST
SPDIF
g
AUDIO 1
IN
L
AUDIO 2
AUDIO 2
IN
L
AUDIO 1
OUT
L
R
Q711
Q714
SWITCH
34
34
HCD-C450
– Power Section –
: FM
: CD
: DVD
: CHROMA
: Y
• Signal Path
• R-CH is omitted due to same as L-CH.
: VIDEO
E
AUDIO-1
SECTION
DATA
43
IC305
STREAM PROCESSOR
STREAM PROCESSOR
STREAM PROCESSOR
XFS1
64
BCK
44
LRCK
45
INA
8
2
OUTA
IC301
POWER DRIVER (F)
INB
11
EN
7
DIAG
12
SCDT
38
SCSHIFT
37
SCLATCH
36
INIT
41
NSPMUTE
39
PGMUTE
40
XFS0IN
28
2
4
FSOI
74
IC300
X300
49.152MHz
24
OUTL1+
15
OUTL2+
10
OUTR1+
R-CH
1
OUTR2+
R-CH
77
XFSOOUT
73
FSOCKO
17
OUTB
D2
D1
D3
SCK
BCKO
LRCKO
DATA
43
IC308
XFS1
64
BCK
44
LRCK
45
INA
8
2
OUTA
IC306
POWER DRIVER (C)
INB
11
EN
7
DIAG
12
SCDT
38
SCSHIFT
37
SCLATCH
36
INIT
41
NSPMUTE
39
PGMUTE
40
XFS0IN
28
FSOI
74
24
OUTL1+
15
OUTL2+
77
XFSOOUT
17
OUTB
DATA
43
IC310
XFS1
64
BCK
44
LRCK
45
INA
8
2
OUTA
IC309
POWER DRIVER (R)
INB
11
EN
7
DIAG
12
SCDT
38
SCSHIFT
37
SCLATCH
36
INIT
41
NSPMUTE
39
PGMUTE
40
XFS0IN
28
FSOI
74
24
OUTL1+
15
OUTL2+
17
OUTB
10
OUTR1+
R-CH
1
OUTR2+
R-CH
F
CPU
SECTION
SCDT
SHIFT
LAT1
LAT2
LAT3
INIT
NS MUTE
PG MUTE
EN
DIAG
RELAY
HP MUTE
HP SW
RELAY
DRIVE
Q301
1
2
4
IC312
INA
8
2
OUTA
IC307
POWER DRIVER (W)
INB
11
EN
7
DIAG
12
17
OUTB
10
OUTR1+
1
OUTR2+
J900
R-CH
L
L
FRONT
RY301
REAR
CENTER
RY302
WOOFER
PHONES
Q900
MUTE
T901
AC
IN
POWER TRANS
+5V
REG
1
3
IC003
LF901,902
LINE
FILTER
D902
F901
S901
POWER
REG
Q901-903
D
3
S
2
VCC
4
GND
5
FB/OCP
1
IC901
SWITCHING REG
PC901
RECT
D911
D910
D906
RECT
D909
ERROR
AMP
2
1
IC902
Q905
POWER
SWITCH
Q907
+5.6V
REG
1
3
IC905
+3,3V
REG
1
2
IC906
5
Q910
+6.5V
REG
1
2
IC903
5
Q906
Q911
+12V
SWITCH
Q002
Q001
Q908
Q909
D917
PC902
IC907
Q915
RESET
5
1
2
IC904
D913
G
CPU
SECTION
P.CONT2
RESET
P.CONT1
+5V
REG
1
3
IC002
+3.3V
REG
1
3
IC001
+1.8V
REG
1
3
IC006
+5V
REG
1
3
IC004
+3.3V
REG
1
3
IC005
+27V
DA +5V
DA +3,3V
DVD +3.3V
+1.8V
+12V
M +12V
D +5V
A +5V
A +3,3V
E +5.6V
+6.5V
+5V
REG
1
3
+3.3V
REG
1
3
IC303
+5V
+3,3V
+6.5V
IC302
L401,C451
LPF
L401,C452
LPF
L402,C453
LPF
L402,C454
LPF
L403,C455
LPF
L403,C456
LPF
L404,C457
LPF
L404,C458
LPF
J401 (1/2)
J401 (2/2)
35
35
HCD-C450
5-2. Printed Wiring Board – RF Board –
• See page 30 for Circuit Boards Location.
IC001
37
37
CN009
M
1
9
1
9
R002
D001
D004
R011
R007
R008
R010
R023
R020
R025
R029
R006
R005
R038
Q 0 0 2
R 0 0 3
L001
L002
C044
C023
C017
CN001
CN003
CN002
CN004
C009
C018
C021
C024
C026
C034
C036
C038
C040
C039
C037
C035
C033
C032
C031
C028
C027
Q 0 0 1
C 0 4 6
C 0 4 8
C 0 4 7
C 0 4 3
C 0 0 2
C 0 0 1
C008
C005
C006
C007
C019
C022
C025
C016
C015
R009
R045
Ref. No.
Location
D001
C-1
D004
C-2
IC001
B-2
Q001
C-2
Q002
C-3
• Semiconductor
Location
36
36
HCD-C450
5-3. Schematic Diagram – RF Board –
• See page 31 for Wavefoms. • See page 65 for IC Block Diagrams.
IC B/D
SLA+
SLB+
SLB-
SLA-
LED
GND
INLIM
SPM-
SPM+
SLA+
C N 0 0 3
9 P
SLB+
SLB-
SLA-
LED
INLIM
SPM-
SPM+
SLA+
SLB+
SLB-
SLA-
LED
GND
INLIM
SPM-
SPM+
SLA+
SLB+
SLB-
SLA-
LED
INLIM
SPM-
SPM+
9
42
9
42
C N 0 0 4
9 P
C N 0 0 9
M
22
6.3V
R002
C001
C002
CN001
D001
D004
Q002
Q001
IC001
CN002
C015
C022 C025
C031 C032
C039
C033
C028
C027
C035
C044
C043
C048
C047
C046
C040
C034
C026
C036
C038
C023
C017
C018
C009
L001
C021
C024
C016
C019
C005
C006
C007
C008
R045
R038
R023
R020
R007
R008
R010
L002
R025
R029
R037
R006
R005
R009
R003
R011
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