Read Sony SCD-1 / SCD-777ES (serv.man4) Service Manual online
5
5
SCD-1/777ES
4-1.
BLOCK DIAGRAM – RF Section –
4.
DIAGRAMS
SACD / CD RF AMP,
FOCUS/TRACKING ERROR AMP
IC001
05
•
SIGNAL PATH
: SACD
: CD
1
DSDRF
(Page 8)
(Page 6)
(Page 6)
(Page 6)
(Page 6)
(Page 7)
(Page 6)
(Page 7)
(Page 6)
(Page 7)
(Page 6)
(Page 6)
(Page 6)
(Page 7)
(Page 7)
(Page 7)
(Page 7)
2
TE
4
FE
5
PI
9
MIRR
13
TIERR
12
TIE
3
SSIDT, SSICK, SDEN
8
PIOFS
10
LDON
11
SLOUTS
14
TILT/H
6
FDWN
7
DFCTB
SDATA
DVDLD
DVDPD
CDLD
CDPD
DEFECT
SWITCH
Q2
FDCHG
LDON
VCI
VC
VC
DVDRFP
CDRF
A2
B2
C2
D2
RFP
A
B
C
D
DETECTOR
(FOR SACD)
MUX
GCA,
EQ
L.P.F.,
GCA
MUX
MUX
GCA
AGC
TOP
HOLD
DAC
L.P.F.,
GCA
OFFSET
CANCEL
MUX
MUX
MUX
INPUT
BUFFER
SELECT
SWITCH
IC007 (1/2)
FE GCA
IC006 (2/2)
SELECT
SWITCH
IC007 (2/2)
PEAK/BOTTOM
HOLD
L.P.F.,
AGC
L.P.F.
OFFSET
CANCEL
COMPARATOR
PHASE
DETECTOR
ATT
INPUT
BIAS,
AGC
FULL WAVE
RECTIFIER
AGC CHARGE PUMP
SERIAL PORT
REGISTER
PROGRAM-
MABLE
EQ FILTER
SUMMING
AMP
SUMMING
AMP
AUTOMATIC POWER
CONTROL (FOR SACD)
Q004
AUTOMATIC POWER
CONTROL (FOR CD)
Q002
TILT ERROR
AMP
IC003, 004
GCA
IC012, Q006
VC BUFFER
IC002, 005
DVC/AVC
BUFFER
IC508
B+ SWITCH
Q007
B+ SWITCH
Q003
B+ SWITCH
Q008, 009
DETECTOR
(FOR CD)
LASER DIODE
(FOR SACD)
47
SCLK
46
SDEN
SSIDT
SSICK
SSICK
SDEN
48
25
27
22
21
24
23
36
35
57
1
63
ATOP
ATON
62
61
AIP
AIN
59
60
FNP
SIGO
49
HOLD1
41
TE
42
FE
PI
DFT
29
32
MIRR
DCV
ACV
MIN
FNN
52
51
DIP
DIN
53
54
5
6
7
8
A
B
C
C
D
14
13
12
11
CDRFDC
64
PD1
3
PD2
4
E
F
16
15
CDE
CDF
PD1
PD2
DVD LD
PD
LASER DIODE
(FOR CD)
SKEW
SENSOR
CD LD
MON
LED
VLD
SKEW OUT
SKEW IN
D+5V
RF+5V
RF+5V
2-AXIS DEVICE
FOCUS/
TRACKING COIL
(FOR CD)
2-AXIS DEVICE
FOCUS/
TRACKING COIL
(FOR SACD)
DVD FCS+
DVD FCS–
DVD TRK+
DVD TRK–
CD FCS+
CD FCS–
CD TRK+
CD TRK–
DSDF+
DSDF–
DSDT+
DSDT–
CDF+
CDF–
CDT+
CDT–
AGC CHARGE
PUMP
COMPARATOR
+
–
–
–
+
+
–
+
+
–
+
+
+
+
+
–
–
+
–
–
+
+
+
DVD
APC
CD
37
OPTICAL PICK-UP
BLOCK
(KHS-180A/J1N)
PI OFSET
CANCEL
IC006 (1/2)
SELECT
SWITCH
IC011 (2/2)
SELECT
SWITCH
IC011 (1/2)
15
TIOFS
16
DSDF+, DSDF–,
DSDT+, DSDT–
CDF+, CDF–,
CDT+, CDT–
17
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