Sony HCD-SR1 Service Manual page 105

QQ
3 7 63 1515 0
– RF Board –
IC001 CXD1881AR
64 63
INPUT
SEL
DVDRFP 1
MUX
DVDRFN 2
INPUT
IMPEDANCE
SEL
BUFFER
A2 3
B2 4
GCA
C2 5
D2 6
3
TE
L 13942296513
FROM
S-PORT S-PORT
CP 7
CN 8
D
D 9
C
C 10
B
B 11
A
A 12
MUX
CD D 13
CD C 14
CD B 15
CD A 16
CD/DVD
www
.
17 18 19 20
http://www.xiaoyu163.com
62 61 60 59
ATT
4
INPUT
ATT AGC
BIAS
2
2
INPUT
IMPEDANCE
SEL
+
CLAMP &
ENVELOPE
–
2
LEVEL
SIGDET
DAC
COMPARATOR
PHASE
DETECTOR
EQ +
+
PHASE
DETECTOR
3
FROM
VC
A+D
+
+
+
GCA
+
B+C
3
FROM
S-PORT
B+D
+
+
SUM
GCA
AMP
W/LPF
+
+
A+C
3
FROM
S-PORT
–
GCA
+
GCA
3 4
FROM FROM
S-PORT S-PORT
VCI FOR SERVO INPUT
VC = VPB/2
DUAL APC
x ao
y
LD H/L
FROM S-PORT
i
21 22 23 24 25 26
http://www.xiaoyu163.com
8
58 57 56
OUTPUT
INHIBIT
PROGRAMMABLE
FROM S-PORT
EQUALIZER
FILTER
DIFFERENTIATOR
AGCO
+
–
– –
TOPHOLD
–
Q Q
3 6 7 + 1 3
TOPHOLD
–
GCA LPF
+
GCA
4
FROM
S-PORT
MUX GCA GCA LPF GCA SUB
CD/DVD CP/CN
CEFDB
LOW
IMPEDANCE
+
OFFSET
GCA LPF
+ CANSEL
5
FROM
S-PORT
BCA
DET
HYSTERESISTER
& OFFSET
FROM S-PORT
APC SEL
DVD/CD
MIRR
COMPARATOR
u163
PEAK/BOTTOM
INTERNAL
HOLD
FDGHG
.
27 28 29
HCD-SR1/SR2/SR3
2 9 9 4 2 8
55 54 53 52 51
FAST ATTACK
FULL WAVE AGC CHARGE
RECTIFER PUMP
CONTROL
SERIAL
SIGNALS
PORT
TO EACH
REGISTER
BLOCK
V33 FOR
OUTPUT
3
BUFFER
LPF ATT
CE ATT
POL SEL
CEPOL
BUFFER
PI
FE
TE
CE
V25
V125
V25/3
OFFSET
GCA GCA
1 5 CANSEL 0 5 8 2 9 9 4
4
FROM
S-PORT
OFFSET
GCA GCA
CANSEL
5
FROM
S-PORT
OFFSET TE
GCA GCA
CANSEL RST
6 3
FROM FROM
S-PORT S-PORT
FOR SERVO
OUTPUT
HOLDEN
V25/2
SEL
TOP
HOLD
COMPA-
RATOR
–
2
FROM
+
DAC
S-PORT
LINKEN
INPUT GAIN
m
INPUT
FROM S-PORT
AGCO
IMPEDANCE
2
FROM S-PORT
SINK CURRENT
co 2
FROM S-PORT
INPUT
BUFFER
30 31
9 9
50 49
AGC
HOLD
48 SDEN
47 SDATA
46 SCLK
45 V33
44 LPC
43 LCN
MNTR
42 MNTR
CONTROL
41 CE
2 8 9 9
40 FE
39 TE
38 PI
PH
37 V25
36 V125
35 TPH
GCA SEL 34 DFT
33 LINK
BOTTOM
ENVELOPE
2
PH
MUX
32
27