Sony CMT-SE7 / HCD-SE7 Service Manual ▷ View online
89
HCD-SE7
•
Waveforms
– DMB03 BOARD –
– RF BOARD –
3
IC001
r;
(FE)
100 mV/DIV, 1 ms/DIV
0.3 Vp-p
1
IC001
1
(DVDRFP)
200 mV/DIV, 100 ns/DIV
800 mVp-p
2
IC001
el
(TE)
500 mV/DIV, 1 ms/DIV
0.5 Vp-p
4
IC001
tj
(RFAC)
500 mV/DIV, 100 ns/DIV
1.3 Vp-p
8
IC906
qd
(SO3)
29.5 ns
1 V/DIV, 10 ns/DIV
4.6 Vp-p
7
IC906
q;
(SO2)
29.5 ns
1 V/DIV, 10 ns/DIV
4.6 Vp-p
6
IC906
9
(SO1)
29.5 ns
1 V/DIV, 10 ns/DIV
4.2 Vp-p
5
IC906
8
(XTO)
37 ns
1 V/DIV, 10 ns/DIV
4.5 Vp-p
qa
IC207
<zcz
(VDAC_0)
500 mV/DIV, 20
µ
s/DIV
1.5 Vp-p
qs
IC207
<zx,
(VDAC_1)
500 mV/DIV, 20
µ
s/DIV
1.2 Vp-p
H
H
9
IC906
3
(MO1)
37 ns
1 V/DIV, 10 ns/DIV
5.6 Vp-p
q;
IC901
r;
(XTAL)
50 ns
1 V/DIV, 20 ns/DIV
3.8 Vp-p
qd
IC207
<zxb
(VDAC_2)
500 mV/DIV, 20
µ
s/DIV
1.3 Vp-p
H
qf
IC207
<zxx
(VDAC_3)
950 mVp-p
H
200 mV/DIV, 20
µ
s/DIV
qg
IC207
<zz.
(VDAC_4)
200 mV/DIV, 20
µ
s/DIV
H
980 mVp-p
– BD (MD) BOARD –
qh
IC101
ek
(RF)
(PLAY mode)
1.4 Vp-p
500 mV/DIV, 200 ns
qj
IC101
ef
(FE)
(PLAY mode)
approx.
460 mVp-p
460 mVp-p
200 mV/DIV, 20 ms/DIV
qk
IC101
wh
(TE)
(PLAY mode)
200 mV/DIV, 20 ms/DIV
approx.
620 mVp-p
620 mVp-p
88.6 ns
4.3 Vp-p
ql
IC803
8
(XOUT)
1 V/DIV, 40 ns/DIV
5.5 ns
3.3 Vp-p
w;
IC801
5
(CLKA)
1V/DIV, 4 ns/DIV
90
HCD-SE7
– MD DIGITAL BOARD –
wd
IC703
wd
(X1)
3.9 Vp-p
1 V/DIV, 100 ns/DIV
167 ns
ws
IC702
qa
(XOUT)
100 ns
3.7 Vp-p
1 V/DIV, 40 ns/DIV
– I/O BOARD –
– MAIN BOARD –
wg
IC101
qd
(XOUT)
62.5 ns
2.5 Vp-p
1 V/DIV, 20 ns/DIV
wf
IC101
qa
(XCOUT)
3.5 Vp-p
1 V/DIV, 10
µ
s/DIV
30.5
µ
s
wh
IC600
ea
(V-OUTB)
1 V/DIV, 20
µ
s/DIV
wk
IC600
wk
(Y-OUTB)
1 V/DIV, 20
µ
s/DIV
2.2 Vp-p
H
wl
IC600
wg
(CY-OUTB)
1 V/DIV, 20
µ
s/DIV
2.2 Vp-p
2.7 Vp-p
H
e;
IC600
ws
(CB-OUTB)
1.6 Vp-p
500 mV/DIV, 20
µ
s/DIV
ea
IC600
ql
(CR-OUTB)
500 mV/DIV, 20
µ
s/DIV
1.6 Vp-p
wj
IC600
ed
(C-OUT)
1 V/DIV, 20
µ
s/DIV
H
H
H
H
2.0 Vp-p
91
HCD-SE7
•
IC Block Diagrams
– RF Board –
IC001 SP3723BDAOPM
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
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
92
HCD-SE7
– BD (MD) Board –
IC101 CXA2523AR
–1
–2
+
–
–
IVR
BB
+
–
–
IVR
AA
+
–
–
IVR
CC
+
–
–
IVR
DD
+
–
–
IVR
+
–
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
–
IVR
GSW
+
–
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
2
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL TEMP
PBH
–
+
+
USROP
+
–
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
IC401 BH6519FS-E2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVE
PREDRIVE
PREDRIVE
PREDRIVE
AMP
INTERFACE
AMP
AMP
AMP
V
DD
PSB
AMP
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