Sony DAV-DZ550 / HCD-DZ550 Service Manual ▷ View online
25
25
HCD-DZ550
HCD-DZ550
5-4. BLOCK DIAGRAM – AUDIO SECTION –
: AUDIO
• Signal Path
IC106
POWER DRIVER
IC107
POWER DRIVER
J201
(+)
(–)
IC108
STREAM PROCESSOR
31 DATA
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
18 NSPMUTE
27 INIT
18 NSPMUTE
SOFTMUTE
21 SCDT
29 LRCK
22 SCSHIFT
25 FLAGL OVF
24 OVF FLAGR
24 OVF FLAGR
LAT1
INIT
NSPMUTE
SCDT
OVF2
SHIFT
4
OUTR2
11
OUTL1
6
OUTR1
9
OUTL2
14
XFS0OUT
38
FS0I
Q101, 102
DC
DETECT
FRONT
R
27 FL DATA
24 FL CLK
28 FL CS/STB
24 FL CLK
28 FL CS/STB
VFL
(+)
(–)
Q103, 104
DC
DETECT
FRONT
L
(+)
(–)
IC109
STREAM PROCESSOR
IC509 (3/4)
SYSTEM CONTROLLER
IC802
FL DRIVER
31 DATA
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
18 NSPMUTE
27 INIT
18 NSPMUTE
21 SCDT
29 LRCK
22 SCSHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
38
FS0I
7
DIN
8
CLK
9
42
STB
30
F1
F2
F2
Q105, 106
DC
DETECT
(+)
(–)
Q107, 108
DC
DETECT
(+)
(–)
IC110
STREAM PROCESSOR
31 DATA
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
18
27 INIT
18
19
NSPMUTE
SOFTMUTE
SOFTMUTE
SCDT
29 LRCK
22
21
SCSHIFT
4
OUTR2
11
OUTL1
6
OUTR1
9
OUTL2
38
FS0I
37
FS0CKO
48
XFS0IN
48
XFS0IN
48
XFS0IN
Q109, 110
DC
DETECT
SURR
R
SD
13
2 PWMBP
17
4
PWMAP
RESET
(+)
(–)
OUTB
OUTA
IC105
POWER DRIVER
SD
13
13
2 PWMBP
17
4
PWMAP
RESET
OUTB
OUTA
IC104
POWER DRIVER
SD
2 PWMBP
17
4
PWMAP
RESET
OUTB
OUTA
13
IC103
POWER DRIVER
SD
2 PWMBP
17
4
PWMAP
RESET
OUTB
OUTA
13
IC102
POWER DRIVER
SD
2 PWMBP
17
4
PWMAP
RESET
OUTB
OUTA
13
IC101
POWER DRIVER
SD
2 PWMBP
17
4
PWMAP
RESET
OUTB
25
26
29
30
25
26
29
30
25
26
29
30
25
26
29
30
25
26
29
30
25
26
29
30
SD
13
2 PWMBP
17
4
PWMAP
RESET
OUTB
OUTA
25
26
29
30
OUTA
Q111, 112
DC
DETECT
48
DRIVE OCP
SURR
L
CENTER
SPEAKER
WOOFER
D1
R
R
L
L
SCK
BCKO
LRCKO
LRCKO
LAT2
INIT
NSPMUTE
SOFTMUTE
INIT
SOFTMUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
SCDT
SHIFT
D2
SCK
BCK
LRCK
LRCK
LAT3
INIT
NSPMUTE
SCDT
SHIFT
D3
SCK
BCKO
LRCKO
LRCKO
24 OVF FLAGR
FLAGL OVF
25
OVF
19 SOFTMUTE
19
FL801
FLUORESCENT
INDICATOR TUBE
Q301
PROTECT DETECT
IC305
OSC
D1 – D3, SCK,
BCKO, LRCKO
BCKO, LRCKO
A
AMP
SECTION
(Page 24)
X450
49.152MHz
1
DAMP SCDT
2
DAMP SHIFT
SG1 – SG16
51
DAMP LAT1
52
DAMP LAT2
53
DAMP LAT3
54
DAMP INIT
55
DAMP SOFT MUTE
47
DRIVE RST
OVF
49
OVERFLOW1
OVF2
50
OVERFLOW2
14 – 29
GR2 – GR12
GR1
G1
47 – 31
74 KEY INT
4 SIRCS–IN
IC801
REMOTE CONTROL
RECEIVER
97,95,94
KEY0 – KEY2
KEY0
S801 – S808
10 ENA
S800
VOLUME
ENCODER
11 ENB
15
13
X502
5MHz
Xin
Xout
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
Q802
FL DRIVER
FAN
FAN
DRIVE
Q302-304
+12V
14
XFS0OUT
SOFTMUTE
OVF2
SOFTMUTE
SR
SR
SL
SL
C
C
WF
WF
VOLUME
25 FLAGL OVF
24 OVF FLAGR
24 OVF FLAGR
OVF2
J202
HP-MUTE
HP-SW
J801
IC301
HEADPHONE
AMP
43
HPOUTL2
41
HPOUTR1
45
HPOUTL1
39
3
6
2
HPOUTR2
Q507
MUTING
CONTROL
56
HP SW
PHONES
Q806 - 809
MUTING
57
HP MUTE
HP-SW
HP-MUTE
5
1
7
26
26
HCD-DZ550
HCD-DZ550
5-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
DC/DC
CONVERTER
T801
IC511
RESET
RECT
D801,802
D804,805
D804,805
OSC
Q801
12
RESET
20
AC_CUT
44
P CONT2
IC509 (4/4)
SYSTEM CONTROLLER
+5V
Q506
40
P CONT1
IC941
+12V REG
IC931
VOLTAGE
DETECT
IC515
+9V REG
D943
D942
D944
D941
D922
Q921
IC921
POWER
PROTECTION
T902
TRANSFORMER (SUB)
T901
TRANSFORMER(MAIN)
PC902
PHOTO
COUPLER
D931
D905
Q943,947
PC901
PC903
D901
E4V
E 4V
RF +3.3V
+31.5V
IC901
POWER
PROTECTION
AC IN
+3.3V
+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC107
+3.3V REG
IC105
+3.3V REG
IC942
+5V REG
IC943
+3.3V REG
IC951
VOLTAGE
DETECT
IC106
+1.8V REG
IC303
+1.8V REG
+6V
M -8V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC516
+5V REG
+5V
+9V
+12V
+1.8V
+1.8V
27
27
HCD-DZ550
HCD-DZ550
5-6. PRINTED WIRING BOARD – DMB10 BOARD (SIDE A) –
•
See page 21 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D1001
C-5
IC101
D-3
IC102
C-3
IC103
C-4
IC104
C-4
IC106
C-5
IC201
D-5
Q103
C-2
✩
IC103 is a written in and settled EEPROM. Supply with
a single article has not been carried out. In case you
exchange by DMB10 board, please put on IC103
currently used with the model again.
a single article has not been carried out. In case you
exchange by DMB10 board, please put on IC103
currently used with the model again.
IC102
IC101
IC103
IC106
IC104
IC201
OPTICAL
PICK-UP
BLOCK
(KHM-310CAA)
I
I/O
BOARD
CN201
(Page 46)
J
D
MAIN
BOARD
CN505
(Page 34)
MS-203
BOARD
CN001
(Page 51)
B
MAIN
BOARD
CNP506
(Page 35)
A
MAIN
BOARD
CN504
(Page 34)
for
CHECK
SPINDLE
MOTOR,
SLED
MOTOR
E
1
5
10
11
C223
R228
R227
C226
C225
R243
CN202
6
7
R1545
7
1
6
CN302
2
C
MAIN
BOARD
CN503
(Page 34)
C3603
C3605
C3608
R3607
L3602
R3603
C3606
C3609
R1527
R234
1
2
A
B
C
D
E
3
4
5
6
28
28
HCD-DZ550
HCD-DZ550
5-7. PRINTED WIRING BOARD – DMB10 BOARD (SIDE B) –
•
See page 21 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D3601
B-2
D3602
B-3
IC105
D-5
IC107
B-5
IC3601
B-2
IC4501
C-2
IC4502
C-2
Q101
C-5
Q102
C-5
:Uses unleaded solder.
IC4501
IC4502
IC107
IC105
IC3601
1
3
5
4
1
3
5
4
S
S
E
E
1
3
4
5
R222
R238
R236
R239
R2505
R237
C3610
R3621
R3608
D3602
D3601
R3611
R3602
C3611
C3607
C3602
R3601
R3605
R3606
1
2
A
B
C
D
E
3
4
5
6
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