Sony MCE-K550, Руководство по обслуживанию

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MCE-K550/K750
6-3. BLOCK DIAGRAM — MAIN SECTION —
— 13 — — 14 — — 15 —
384BD
S700-705
C2PO
72
69
7
13
16
88
81
120
5
6
.
.
.
.
119
LED
DRIVE
Q700
34
31
33
77
100
21
22
79
48
12
38
80
SO1
CLK1
XRST
DNR CS
DVE CS
DF CS
SO1
CLK1
XRST
DNR CS
DVE CS
DF CS
FL CS
OSD CS
24
21
19
17
18
20
23
22
33
54
52
50
48
46
42
40
38
39
41
43
47
49
51
53
55
16
19
22
26
2
5
7
10
31
34
36
39
. .
.
.
.
.
.
.
.
.
. .
. .
. .
. .
. .
. .
. .
XRST
DF CS
DVE CS
XRST
.
9
6
4
1
SO1
CLK1
XRST
C BUFFER
Q331-333
Y BUFFER
Q341-343
CV BUFFER
Q371-374
SO1
CLK1
64
63
61
62
40 - 33
DRIVE
MUTE
Q100
MUTE
Q101
MUTE
Q200
MUTE
Q201
MUTE SW
Q310
SO1
CLK1 XRST
DNR CS
RIPPLE FILTER
Q312
RECT
D906
RIPPLE FILTER
Q311
REG
IC304
REG CONT
Q900,901
LRCK
BCLK
ADATA
CTRL2
CTRL1
SCOR
CLK
DATA
MUTE
SQCK
LDON
XLT
SENS
SUBQ
XRST
CN101
SCLK
SCLK
MICON
MECHA CONTROL
IC504
2
36
1
4
6
37
10
3
5
18
11
19
SENS
SUBQ
XLT
LDON
SQCK
MUTE
DATA
CLK
SCOR
CONT1
CONT2
2
10
7 8
6
5
OUT1
OUT2
F IN
M
R IN
MOTOR DRIVE
IC501
3
2
1
REMOTE
CONTROL
IC700
+7V
+5V
(EVER)
LOADING
MOTOR
28
27
29
30
7
SIRCS
LOAD IN
LOAD OUT
IN SW
OUT SW
S152
LOAD IN
S153
LOAD OUT
PAL
AUTO
ON
NTSC
OFF
S300
S720
KEY 0
KARAOKE
N/P SW 93
52
90
ADATA
BCLK
LRCK
.
VF2
-30V
(VFDP)
VF1
FL700
Q401
DI
CL
XBLK
CE
FL DRIVE
IC701
S1-S24 C1-C6
AMUTE
XRESET
PWON
XBLK
78
73
13
15
D700
D502
+5V
(EVER)
+5V
(EVER)
PWON LED
TEST LED
X IN
X OUT
X502
10MHz
X501
28.63MHz
X503
45MHz
VCDCS
RD
XRW
VCDINT
A3
A0
47
44
46
20
1
2
3 4
5
6
12
13
11
IC507
D7
D0
8
4
MPEG DECODER
IC503
A3
A0
HD7
Y/C PROCESSOR
IC506
8
4
XMWE
XHIRQ
HD0
MA8
MA0
DRAM
IC502
117
116
114
118
97
9
16
A8
A0
MD15
MD0
DQ16
DQ1
XWR
XHCS
XRST
XSGRST
XTL0I
XTL0O
3
2
107
106
35
34
37
13
14
28
29
59
58
57
56
92
95
93
XTL2I
XTL2O
W
RAS
UCAS
LCAS
XRAS
XCAS0
OSD R
OSD G
OSD B
XOSDEN
H SYNC
CBLNK/FSC
V SYNC
DATI
BCKI
LRCI
C2PO
DCLK
FID/FHREF
FSXI
DATA
111
112
110
109
100
89
94
103
16
OSD
IC509
384FS
CS
DATA
CLK
PCL
VR
VG
VB
V CBL
H SYNC
V SYNC
OSC
2
3
1
4
16
17
18
11
20
19
8
+5V(D)
13
12
11
IC505(4/4)
1 2 3 4
X202
27MHz
IC202
6 2
3 5
DCLK V SYNC
SDI XSCK XRST XCS
H SYNC
60
67
Y/GO7
Y/GO0
10BIT D/A CONV
IC511
Y7
Y0
8
32
29
24
C OUT
Y OUT
COMP O
98
97 100
31 30 93 29
60
59
62
56
57
48 49 55 51 50
H SYNC
V SYNC
FID
SYS CLK
PD CLK
SCK XRST XVRST XCS SI
D/A CONV
IC508
XRST ML
L ON
R ON
BCLK
LRCK
6
5
8
22 1
14
12
LINE AMP
IC103(1/2)
HP AMP
IC105(1/2)
RV300
-1
-2
J300
PHONES
IC103(2/2)
IC105(2/2)
C
Y
CV
J103
J102
S VIDEO
OUT
R
+Vcc +V OUT
IC301
UNSW5V
IC302
5
4
1
3 1
IN
OUT
RESET
+5V(D)
+5V
(UNSW)
+5V(A)
-10V
+10V
-UNREG
+UNREG
+7V
3
2
1
-30V
(VFDP)
VF2
VF1
ICP901
ICP900
T901
POWER
S901
F901
AC
IN
230V
115V
S900
XRST
2 - 7 56 - 42
FLUORESCENT
INDICATOR TUBE
GRID
CLOCK CONT
+5V REG
DIGITAL FILTER
R
L
VIDEO OUT
AUDIO
OUT
BD
BOARD
Signal path
: CD
: CHROMA
: Y
: VIDEO
A
51
58 CRO7
C/RO0
18
11 C7
C0
8
63
70
27
20 R/Cr7
R/Cr0
8
CRI7
C/RI0
71
73
76
80
.
G/Y7
G/Y0
8
Y/GI7
Y/GI0
18
11
DSP XRST 24
K550 MODEL
K750 MODEL
KARAOKE
K750
MODEL
ENCODER
S707-712
KEY 1 91
25
26
JOG 1
JOG 2
S713-719
KEY 2 92
95
STANDBY
49
50
KDSP CS
KDSP RDY
KDSP CS
KDSP RDY
54
53
MODE2
MODE1
+5V(D)
K550 MODEL
K750 MODEL
MUSIC
VOL
VOCAL
VOL
94
+5V
(EVER)
12dB
9dB
OFF
AUDIO
ATT
RV301 RV302
S301
VOCAL VOL
MUSIC VOL
89
97
MIC CONT
ECHO VOL
S35-40
22 - 17
LED
DRIVE
Q701-706
D701-706
6
C1
C1
5
4
6
+5V(D)
IC505(3/4)
1
2
3
+5V(D)
IC505(1/4)
10
9
8
IC505(2/4)
+5V(D)
Q CK
D Q
DIVIDER
IC513(2/2)
8 12
11 9 Q CK
D Q
DIVIDER
IC513(1/2)
18
19
X504
33MHz
XTI
XTO
DI
10
16
LO
RO
LPF
IC101(1/2)
LPF
IC102(1/2)
SO1
CLK1
MD MC
23 24
KDSP CS
KDSP RDY
D/A CONV
IC510
XLT READY
AO1N
AO2N
BCK
LRCK
92
93
94
1 99
33
39
DIGITAL FILTER
SI
40
34
AO1P
AO2P
XRST CLK1
XRST SCK
8 98
MLEN
3
BFOI 14
SO1
RVDT
4
AIN3 20
21
LO3
IC401(2/2)
MIX AMP
IC401(2/2)
MIC AMP
IC400(1/2)
MIC1 VOL
RV400
MIC2 VOL
RV401
MIC AMP
IC400(2/2)
MIC 1
IN
MIC 2
IN
MIC
CONTROL
K750 MODEL
9 11
IC402
OUT IN
ECHO UNIT
K550 MODEL
K750 MODEL
L L
R
R
L
L L
5
R
L
L L
AUDIO OUT 1
AUDIO OUT 2
VIDEO
OUT
J104
K750 MODEL
K550 MODEL
K750 MODEL
D901
D903
D904
D905
Q309
POWER
SW
Q305
POWER
SW
Q313
Q314
IN –V OUT
–5V REG
IC305
3 2 –5V
CHINESE,
MODEL
SINGAPORE,
MALAYSIA,TAIWAN
MODEL
7 7
5
6
3
2
1
3
1
5 7
3 1
7 5
1 3