DOWNLOAD Sony DAV-C450 / HCD-C450 Service Manual ↓ Size: 18.34 MB | Pages: 102 in PDF or view online for FREE

Model
DAV-C450 HCD-C450
Pages
102
Size
18.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-c450-hcd-c450.pdf
Date

Sony DAV-C450 / HCD-C450 Service Manual ▷ View online

31
31
HCD-C450
• Indication of transistor
C E
B
These are omitted
Q
C
E
B
These are omitted
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
a
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
A
: B+ Line.
B
: B– Line.
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages and waveforms are dc with respect to ground in
service mode.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : STOP
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD
c
: DVD
g
: VIDEO
G
: Y
d
: CHROMA
r
: B-Y
q
: R-Y
• Abbreviation
AUS
: Australian model
CND
: Canadian model
E12
: 220V-240V AC in E model
E32
: 110V-240V AC (without VS) in E model
EA
: Saudi Arabia model
MX
: Mexican model
SP
: Singapore model
• Waveforms
– RF-240 Board –
1
2
3
4
5
6
1.5Vp-p
500mV/DIV    400ns/DIV
1.8Vp-p
500mV/DIV    40ms/DIV
1.8Vp-p
500mV/DIV    200ms/DIV
190mVp-p
100mV/DIV    40ms/DIV
840mVp-p
500mV/DIV    40ms/DIV
IC001 
tl
 (SIGO) DVD PLAY
IC001 
tl
  (SIGO) CD PLAY
IC001 
ra
 (TE) DVD PLAY
IC001 
ra
 (TE) CD PLAY
IC001 
rs
 (FE) DVD PLAY
IC001 
rs
 (FE) CD PLAY
1.5Vp-p
500mV/DIV    100ns/DIV
7
8
9
0
qa
IC901 
ek
 (X2)
IC606 
w;
 (XMCK)
IC607 
qs
 (MCLK2)
IC102 
7
 (XTI)
IC103 
td
 (X1)
3.5Vp-p
6.25ns (16MHz)
3.5Vp-p
74ns (13.5MHz)
2Vp-p
37ns (27MHz)
81.4ns (12.288MHz)
3.4 Vp-p
60.6ns (16.5MHz)
3.8Vp-p
qf
qg
qh
IC701 
qf
qg
 Test Mode (Video)
IC701 
9
0
 Test Mode (Video)
Q700 
E
 Test Mode (Video)
H
2.5Vp-p
H
0.9Vp-p
H
2Vp-p
– DVD Board –
– AMP Board –
– I/O BOARD –
– COMPONENT Board –
Note:
The components identified by
mark 
!
 or dotted line with mark
!
 are critical for safety.
Replace only with part number
specified.
Note:
Les composants identifiés par
une marque 
!
  sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component A)
the parts face are indicated.
qj
qk
ql
IC703 
9
q;
 Test Mode (Video)
IC703 
qs
qd
 Test Mode (Video)
IC703 
qf
qg
 Test Mode (Video)
1.5 Vp-p
H
1.5 Vp-p
H
1.5 Vp-p
H
qs
qd
IC305 
wf
 (OUTL1+)
7.2 Vp-p
5 Vp-p
13 
µ
s
20.3ns (49.152MHz)
IC300 
4
32
32
HCD-C450
5-1. Block Diagrams
– RF/Servo, Video Section –
: FM
: CD
: DVD
: CHROMA
: Y
 • Signal Path
• R-CH is omitted due to same as L-CH.
: VIDEO
: R-Y
: B-Y
DVD/CD
PDIC
OPTICAL PICK-UP
DVD/CD
LD MOD
DVD LD
DRIVE
Q001
CD LD
DRIVE
Q002
RF
A-D
E-H
VC
DVD LD
CD LD
PD
VR
SW
IC001
DVD/CD RF AMP
DIGITAL SERVO
RF IN
2
14
11
7
10
15
18
VC
19
DVD LD
25
CD LD
26
DVD PD
21
LD SEL
24
CD PD
22
A-D
E-H
A2-D2
59
SIGO
41
TE
40
TZIN
44
MON
33
MIRR
37
TZC
38
DFT
47
SCLK
48
SDEN
46
SWD
45
SRD
27
LDON
39
VCI
36
PI
35
PIIN
42
FE
IC401
FOCUS/TRACKING
COIL DRIVE
SPINDLE/SLED/LOADING
MOTOR DRIVE
FOCUS
COIL
DRIVE
FOCUS
COIL
FCS +/-
48
1
40
SVC
FDRV+
FDRV-
TRACKING
COIL
DRIVE
TRACKING
COIL
TRK +/-
3
4
TDRV+
TDRV-
SPINDLE
MOTOR
DRIVE
SPM +/-
13
MDSO
M
SPINDLE
MOTOR
47
46
45
27
41
46
45
44
40
39
38
56
57
78
1
48
12
8
11
10
9
SPFG
SLED
MOTOR
DRIVE
SLA +/-
SLB +/-
7
SLDA
M
SLED
MOTOR
10
SLDB
16
LMP
M
ELEVATOR
UP/DOWN
M701
17
LMM
36
37
.
34
35
.
28
27
.
28
29
.
6
3.
2
7.
32
29
18
15
5
2
5
SLE
19
MUTE12
20
MUTE34
39
POWER SAVE
IC302
SERVO DSP
RFIN1
131
RFIN2
128
ADC0
135
ADC1
136
ADC2
137
ADC7
144
PGIN
172
MIRR
197
TZC
196
DFCTI
185
SCK
175
GIO13
180
SDO
174
ADC6
143
SDI
173
PDM2
204
PDM3
205
MDSO
159
MDPO
161
ADC4
140
PWM0
198
PWM1
199
ADC3
139
GIO9
176
GIO10
177
GIO2
168
GIO0
167
ADC5
142
LIMIT
SENSOR
INT2
166
PDM0
202
PDM1
203
15
LMCTL
PWM2
200
73
76
78
81
.
96
103
SD0-7
AD0-7
2
9
D0-7
11
15
17
19
.
A0-7
8
8
8
8
WSAD0-7
SDI0-7
HD8-15
HA0-7
95
PLCKO
66
DOUT
62
DATA
63
BCLK
65
LRCK
68
SDCK
69
XSHD
71
XSAK
72
SDEF
25
XWAT
207
XWR
208
XRD
195
TDO
194
TCK
192
TMS
191
TRST
156
XDSPRST
5
6
1
2
IC304
70
XSRQ
157
XARPRST
22
HINT
21
XINT
44
51
53
60
.
27
36
38
XMWR
41
XRAS
42
XOE
39
XCAS
MA0-9
MD0-15
MEMD0-15
MEMA0-9
IC303
16M
DRAM
IC503
AV DECODER
215
218
213
.
210
208
.
205
200
203
198
.
195
193
.
192
.
HD0-15
HAD0-21
31
34
36
39
.
16
22
8
DTI0-7
CDIN2
22
CDIN1
23
CDBCK
25
CDLRK
26
ICLK
41
ISTART
44
IVAL
45
IERR
43
HWAITOB
224
HRWB
221
HSCB
220
TCK
120
TMS
121
TRST
122
IREQ
46
VRIF 84
80
COMP OUT
74
Y OUT
77
C OUT
227 DMREQ1
223 HIREQO
229 DMREQ0
190 HAD23
191 HAD22
228 DMACK0
12 ACLK
226 DMACK1
29 CRPCLK
182
180 CLK
TDI 118
131
134
128
.
125
124
.
127
133
130
136
.
139
137
.
140
.
SDDQ0-15
174
.
177
171
.
168
.
165
.
163
.
160
.
158
.
159
.
157
162
.
164
.
167
.
170
.
173
.
176
.
.
.
.
SDDQ0-15
SDAQ0-11
.
.
144
SDCS0B
143
SDCS1B
155
SDDQM0
154
SDDQM1
149
SDCLK
146
SDCKE
152
SDWEOB
151
SDCKSOB
147
SDRASOB
IC504,505
16M
SDRAM
AVDD6 181
A3.3V
VIDEO
LEVEL
RV501
2
AVDD7 184
AVDD8 187
1.8V
REG
IC501
1
D3.3V
IC801
PLAYBACK SIGNAL
PROCESSOR
29
WCK
123
8
111
114
117
120
.
169
176
WAD0-7
SD0-7
8
2
4
IC802
SDCK
166
XSHD
165
XSAK
167
TDI
27
SDEF
168
TCK
26
TMS
30
TRST
31
XSRQ
164
DCLK 141
64
DSAL
69
DSAC
71
DSALFE
74
DSALS
60
BCKAO
13
9 XRST
2
XMSLAT
7
MSREADY
10 SMUTE
6 MSDATO
4 MSDATI
3 MSCK
11 MCK
TDO
TDO
EXCKO
B
AUDIO
SECTION
D
MAIN
SECTION
139
136
134
131
.
DQ0-7
A0-11
IC803
16M
SDRAM
DCKE 142
XWE
143
XCAS 144
XRAS 145
SDATAL
SDATAC
SDATALF
SDATALS
DSBC
DSMCK
VIDEO
Y
PB/CB
PR/CR
J700
4
3
2
1
C
Y
Y
CB
CR
A
AUDIO-1
SECTION
5
11
14
12
6
8
9
7
3
16
1
2
IC702
OUTPUT SEL
INA
2
INC
7
15
OUTA1
14
OUTA2
10
OUTC1
9
OUTC2
MUTE
IC701
VIDEO AMP
1
MUTE
1
BUFFER
OFFSET
SWITCH
Q700,702,703
Q701,704
INC
7
INB
4
INA
2
10
OUTC1
9
OUTC2
13
OUTB1
12
OUTB2
15
OUTA1
14
OUTA2
IC703
VIDEO AMP
S VIDEO
(DVD ONLY)
MONITOR
OUT
J666
COMPONENT
VIDEO OUT
VMUTE
VSEL2
VSEL1
CM
20
DO
63
CB/ROUT
66
CR/BOUT
3
2.5V
REG
IC804
1
D3.3V
D2.5V
3
5V
REG
IC601
1
10V
VIDEO 5V
SPDIF
HCS
24
XCS
23
77
CPUCK
19
INT3
48
XDRVMUTE
84
XLDON
63
CS5X
62
CS4X
81
48/44.1K
IC102
CLOCK
GEN
14
15
7
8
10
13
3
X102
27MHz
MCKI
187
SCKI
189
CLKIN
182
IC108
OPT
21
4
2
2
2
2
4
HA1-21
HA0- 3
HA19
235
232
237
.
240
5
2
7
.
10
RSTB
231
SCLK
159
162
157
.
154
151
152
149
.
148
.
.
EXCKO
49
DREQ1
40
TRM + XKRRST
16
INT0
61
CS3X
60
CS2X
50
DACK1
47
DACK0
22
TSDM
5
MUTE5 21
SP MUTE
TSD
16
4
5
HD0-15
HD8-11
46
DREQ0
IC103 (1/2)
SYSTEM CONTROL
17
INT1
18
INT2
36
XARPRST
35
XRST
67
XW
AIT
70
XRD
71
XWRH
58
CS0X
65
CS6X
76
XFRST
512FS AVD
33M AVD
27M AVD
TRM/XKRCS 8
21
22
28
29
30
INT5
INT6
SI1
SO1
SC1
82
WIDE
C
CPU
SECTION
TRST
85 100
HD0-15
16
102 109 .
120
1
5
111 118 .
.
HA0-21
22
(KHM-240 AAA)
IC701
MOTOR DRIVE
M
(LOADING)
M702
32
33
.
3
6.
2
7.
IC702
MOTOR DRIVE
S707
ROTARY
ENCODER
DISC TRAY
ADDRESS DETECT
IC201
FGA
D0 - 3
SHA0 - 3
SHA19
CK
XRST
WRN
RDN
INT
CS5
TRMP
TRMM
CKMP
CKMM
D704
Q703
(DISC IN DETECT)
Q701
DSW1
CLAPSW0
CLAPSW1
MIC_MUTE
CLAPBSY
OTASUKE
ECHO_MUTE
MEGAMUTE
S702
(LID)
S701
(MID OUT)
S708
(OUT)
S704
(IN)
S703
(MID IN)
S705
(INIT)
S706
(COUNT)
CKSW1
OCSW1
OCSW2
E1
E2
E3
33
33
HCD-C450
– CPU Section –
: FM
: CD
: DVD
: CHROMA
: Y
 • Signal Path
• R-CH is omitted due to 
  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
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
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)
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