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Ic Data Sheets - Philips SD-5.31SL Service Manual

Dvd-video player, dvd module sd-5.31sl.
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EN 56
9.
SD-5.31SL
9.5

IC Data Sheets

This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs).
9.5.1
SP3721 (IC7002)
DVDRFP
DVDRFN
CDRF
CDTE
DVDPD
CDPD
Circuit Descriptions, List of Abbreviations, and IC Data Sheets
.2 Block Diagram
AGC
IMPUT
ATT
MUX
BIAS
MUX
4
2
SEL INT
ATT
INPUT IMP
2
INPUT IMP
SEL
SEL
FROM
DVD
FROM
S-PORT
S-PORT
SUM
12dB is added
Amp.
@high gain mode
A
LPF
GCA
B
LPF
GCA
A + D
C
GCA
LPF
LPF
GCA
D
3
B + C
FROM
S-PORT
PD1
PD2
1
VCI
E
+14dB @high gain mode
1
F
SUM
(A2+B2+C2+D2)
Comp.
A2
GCA
EQ
DETECTOR
EQ
B2
GCA
C2
GCA
EQ
DETECTOR
EQ
D2
GCA
VC
12dB is added
@high gain mode
2
3
FROM
S-PORT
APC SEL
DVD/CD
From S-port
LD H/L
Sink current
From S-port
Dual APC
2
ENVELOPE
2. Pin Diagram
DVDRFP
2
DVDRFN
3
PD
4
PD2
5
A2
6
B2
7
C2
8
D2
9
CP
0
CN
D
2
C
3
B
4
A
5
F
6
E
Figure 9-14 Internal Block Diagram and Pin Layout
PROGRAMMABLE
EQUALIZER
FULL WAVE
FILTER
RECTIFIER
DIFFERENTIATOR
OUTPUT INHIBIT
FROM
S-PORT
GCA
MUX
FROM
S-PORT
4
FROM
5
S-PORT
Focus sel
Offset
LPF
cansel
MUX
0dB@normal
12dB@high gain
Buff
BCA DET
mode
3.5dB@ normal
Focus sel
15.5dB @high gain mode
Buff
Buff
0dB@normal
8dB @high gain mode
TOPHOLD
Offset
cansel
TOPHOLD
4
FROM
S-PORT
LPF
0 to -14dB
&ATT
3
POLSEL
BUFF
-12dB
SUB
PHASE
MUX
LPF
AMP
CP/CN
DVD
CEFDB
Low Imp
PHASE
Mirr gain
From S-port
Disk det &
Comp
2
Mirr LPF
hys & offset
Input Imp
From S-port
From S-port
From S-port
2
MIRR
BOTTOM
INPUT
COMP
BUFF
PEAK/
BOTTOM
HOLD
Li
SP372 A
AGC HOLD
FAST Attackoff
AGC
CHARGE
PUMP
BYP
RX
FROM
S-PORT
5
+6dB Amp
Offset
LPF
cansel
FE
+6dB Amp
PI
TOPHLD
TPH
COMP
DFT
DAC
2
FROM
S-PORT
CDRFDC
+6dB Amp
CE
LCP
LCN
FROM
S-PORT
CEPOL
CP
CN
+6dB Amp
Offset
DPD
GCA
TE
cansel
RST
4
2
FROM
DPD
FROM
S-PORT
Defect ON
S-PORT
VCI2
VCI2 for servo input
VCI
VCI for servo output
VC
VC
CONTROL
Signals
To each block
SDEN
SERIAL PORT
REGISTER
SDATA
SCLK
Internal
FDCHG
SDEN
48
SDATA
47
SCLK
46
LCP
45
LCN
44
CE
43
FE
42
TE
4
MEI
40
MEV
39
TPH
38
DFT
37
PI
36
MIN
35
MEVO
34
MLPF
33
CL 36532043_019.eps
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