Sony SCD-555ES Service Manual ▷ View online
37
37
SCD-555ES
4-24. PRINTED WIRING BOARDS – POWER (Conductor Side)/AC/POWER SWITCH Boards –
•
See page 15 for Circuit Boards Location.
(Page 27)
(Page 27)
(Page 27)
(Page
27)
(Page
27)
(Page
27)
(Page
27)
(Page 18)
(Page 32)
38
38
4.1 Vp-p
29.5 ns
3.8 Vp-p
236 ns
3.8 Vp-p
118 ns
4.1 Vp-p
29.5 ns
3.3 Vp-p
29.5 ns
5.8 Vp-p
236 ns
5.4 Vp-p
118 ns
4.1 Vp-p
29.5 ns
3.5 Vp-p
472 ns
3.3 Vp-p
22.7
µ
s
Approx.
1.2 Vp-p
1.2 Vp-p
Approx.
1.3 Vp-p
1.3 Vp-p
Approx.
60 mVp-p
60 mVp-p
Approx.
100 mVp-p
100 mVp-p
Approx.
80 mVp-p
80 mVp-p
1.7 Vp-p
7.5
µ
s
3.6 Vp-p
136
µ
s
Approx.
1.2 Vp-p
1.2 Vp-p
Approx.
1.3 Vp-p
1.3 Vp-p
Approx.
70 mVp-p
70 mVp-p
Approx.
120 mVp-p
120 mVp-p
Approx.
120 mVp-p
120 mVp-p
Approx.
280 mVp-p
280 mVp-p
• Waveforms
– RF Board –
– RF Board –
1
IC001
el
(TE) (CD PLAY)
2
IC001
r;
(FE) (CD PLAY)
2
IC509
wg
(MDP) (CD PLAY)
3
IC509
el
(FE), IC901
yj
(FE) (CD PLAY)
– MAIN Board –
1
IC509
0
(WFCK), IC701
<zbz
(WFCK)
4
IC509
ra
(TE), IC901
yg
(TE) (CD PLAY)
5
IC509
t;
(RFAC), IC701
<zzm
(RFIN)
(CD PLAY)
7
IC509
yj
(BCLK), IC701
<zb,
(BCLK)
8
IC509
ua
(XTAI), IC811
8
6
IC509
yg
(LRCK), IC701
<znc
(LRCK)
9
IC509
i;
(EXCK), IC701
<zvm
(EXCK)
(CD mode)
q;
IC701
rk
(DCK), IC815
2
(B) (CD mode)
qa
IC701
<znm
(XTAL)
qs
IC701
<zm/
(XTL1), IC811
0
qd
IC801
5
(SDCK), IC815
qa
(QF)
(CD mode)
qf
IC801
qf
(MCKI), IC811
qs
1
IC001
el
(TE) (SACD PLAY)
2
IC001
r;
(FE) (SACD PLAY)
3
IC001
tj
(RFAC) (CD PLAY)
3
IC001
tj
(RFAC) (SACD PLAY)
3
IC509
el
(FE), IC901
yj
(FE) (SACD PLAY)
4
IC509
ra
(TE), IC901
yg
(TE)
(SACD PLAY)
5
IC509
t;
(RFAC), IC701
<zzm
(RFIN)
(SACD PLAY)
q;
IC701
rk
(DCK), IC815
2
(B)
(SACD mode)
qd
IC801
5
(SDCK), IC815
qa
(QF)
(SACD mode)
Approx.
160 mVp-p
160 mVp-p
5.5 Vp-p
1.4
µ
s
39
39
4.1 Vp-p
125 ns
6.6 Vp-p
354 ns
6.5 Vp-p
44.3 ns
6 Vp-p
22 ns
7.2 Vp-p
22 ns
3.4 Vp-p
354 ns
3.4 Vp-p
117 ns
4.1 Vp-p
22.7
µ
s
4.1 Vp-p
472 ns
4.1 Vp-p
88.6 ns
4.1 Vp-p
177 ns
44 ns
4.6 Vp-p
5.1 Vp-p
354 ns
3.5 Vp-p
6.4
µ
s
1.6 Vp-p
50 ns
3.7 Vp-p
29.5 ns
700 mVp-p
28.5 ns
3.8 Vp-p
177 ns
3.4 Vp-p
177 ns
3.8 Vp-p
354 ns
4.1 Vp-p
29.5 ns
2
IC301
qd
(XIN)
3
IC301
rf
(LVCKO2)
– AUDIO Board –
1
IC301
0
(64FSI)
4
IC301
rg
(LVCKO1)
5
IC301
rl
(BCKI)
6
IC301
t;
(LRCKI)
qh
IC801
rs
(BCKD),
IC809
5
(1Q),
8
(X2Q),
qs
(2D)
qg
IC801
qj
(EXCK01), IC815
8
(CK)
qj
IC801
rh
(BCKA), IC809
3
(1CK)
qk
IC809
qa
(2CK)
ql
IC811
1
w;
IC811
6
wa
IC901
ra
(EXTAL)
ws
IC901
tf
(SCLK DP)
7
IC301
ta
(SBCKI) (CD mode)
7
IC301
ta
(SBCKI) (SACD mode)
8
IC302
qd
(XIN), IC313
5
9
IC313
3
0
IC302
ta
(C512FSO)
qa
IC302
tf
(NSBCKO)
– DISPLAY Board –
1
IC1001
ea
(EXTAL)
40
40
+
–
+
–
+
–
+
–
+
–
–
+
–
+
–
–
+
–
GND
MUTE1
REF1
POW VCC1
OUT1–
OUT1+
GND
OUT2+
OUT2–
POW VCC2
PRE VCC
REF2
MUTE2
OP2-IN+
OP2-IN–
OP2-OUT
IN1
IN1’
BIAS
GND
OP1-IN+
OP1-IN–
OP1-OUT
IN2’
IN2
1
25 24
23
22 21
20
19
18 17
16
15 14
2
REF1
SWITCH
LEVEL SHIFT
VREF2
VREF1
LEVEL SHIFT
CH2
MUTE
REF2
SWITCH
CH1
MUTE
3
4
5
6
7
8
9
10 11
12
13
STANDBY
CH4
LEVEL
SHIFT
STANDBY
CH1/2/3
PRE VCC
OPIN4 (+)
OPIN4 (
–
)
OPOUT4
OPIN3 (+)
OPIN3 (
–
)
OPOUT3
GND
STBY2
POW VCC2
VO3 (
–
)
VO3 (+)
VO4 (
–
)
VO4 (+)
BIAS IN
OPIN1 (+)
OPIN1 (
–
)
OPOUT1
OPIN2 (+)
OPIN2 (
–
)
OPOUT2
GND
STBY1
POW VCC1
VO2 (
–
)
VO2 (+)
VO1 (
–
)
VO1 (+)
18
24 23 22
21 20 19
17
+
–
–
+
–
–
+
–
+ –
+
–
+ –
27
28
26 25
+ –
2
1
3
4
+ –
5
6
7
8 9 10
+ –
LEVEL
SHIFT
16
15
+ –
+
–
LEVEL
SHIFT
11
12
+ –
+
–
LEVEL
SHIFT
13
14
+ –
+
–
+
–
• IC Block Diagrams
– RF Board –
– RF Board –
IC001
CXD1881R
– MAIN Board –
IC502
BA5983FP-E2
IC512
BA5912AFP-YE2
MUX
ATT
INPUT
BIAS
AGC
GCA
PROGRAMMABLE
EQUALIZER
FILTER
DIFFERENTIATOR
64 63
62 61 60 59
58
57
51
56
1
2
FULL WAVE
RECTIFER
AGC CHARGE
PUMP
+
–
+
–
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
–
–
+
–
–
+
–
–
INPUT
SEL
ATT
2
4
2
2
INPUT
IMPEDANCE
SEL
OFFSET
CANSEL
MNTR
CONTROL
SERIAL
PORT
REGISTER
4
FROM
S-PORT
4
FROM
S-PORT
INPUT
IMPEDANCE
SEL
3
FROM
S-PORT
CLAMP &
ENVELOPE
LEVEL
DAC
SIGDET
AGCO
BUFFER
55 54
53 52
50
49
OUTPUT
INHIBIT
FROM S-PORT
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
GCA
CD/DVD
4
FROM
S-PORT
3
FROM
S-PORT
MUX
3
FROM
S-PORT
GCA
3
FROM
S-PORT
3
FROM
S-PORT
EQ
VC
COMPARATOR
PHASE
DETECTOR
PHASE
DETECTOR
A+D
B+D
+
+
+
A+C
B+C
GCA
W/LPF
SUM
AMP
AMP
18 19 20
21 22
24 25
23
26
27
28 29
31
32
30
GCA
GCA
VCI FOR SERVO INPUT
VC = VPB/2
DUAL APC
LD H/L
FROM S-PORT
APC SEL
DVD/CD
TOPHOLD
GCA
TOPHOLD
GCA
41
48
47
46
45
GCA
OFFSET
CANSEL
5
FROM
S-PORT
GCA
40
GCA
OFFSET
CANSEL
6
FROM
S-PORT
3
FROM
S-PORT
GCA
GCA
CEFDB
CP/CN
LOW
IMPEDANCE
CD/DVD
SUB
GCA
MUX
GCA
LPF
GCA
LPF
39
38
37
36
OFFSET
CANSEL
PEAK/BOTTOM
HOLD
BOTTOM
ENVELOPE
INPUT
BUFFER
5
FROM
S-PORT
GCA
LPF
V25/2
TE
RST
35
34
33
FOR SERVO
OUTPUT
PH
TOP
HOLD
GCA
SEL
LINKEN
MUX
HOLDEN
+
–
+
–
COMPA-
RATOR
INTERNAL
FDGHG
HYSTERESISTER
& OFFSET
FROM S-PORT
MIRR
COMPARATOR
COMPARATOR
INPUT GAIN
FROM S-PORT
SEL
DAC
SINK CURRENT
FROM S-PORT
2
AGCO
FAST ATTACK
AGC
HOLD
BCA
DET
DET
2
FROM
S-PORT
PH
2
2
INPUT
IMPEDANCE
FROM S-PORT
44
43
42
V33 FOR
OUTPUT
OUTPUT
BUFFER
PI
FE
TE
CE
V25
V125
V25/3
LPF ATT
POL SEL
BUFFER
CONTROL
SIGNALS
TO EACH
BLOCK
3
CE ATT
CEPOL
D
C
B
A
CD F
CD E
VPB
VC
DVDLD
CDLD
CDPD
DVDPD
LDON
VNB
MIRR
MP
MB
MIN
MEVO
MLPF
CE
SDEN
SDATA
SCLK
V33
FE
TE
PI
V25
V125
TPH
DFT
LINK
LCP
LCN
MNTR
DVDRFP
DVDRFN
A2
B2
C2
D2
CP
CN
D
C
B
A
CD D
CD C
CD B
CD A
RFDC
RFSIN
ATOP
ATON
AIN
AIP
VPA
RFAC
VNA
BYP
DIN
DIP
FNP
FNN
MEV
RX
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