DV-CP802
IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-2
Q1001 : CXD1881BR DVD ANALOG FRONTEND-2
56
40
38
35
34
61
41
42
44
43
7
8
39
36
37
20
48
47
46
45
25
33
27 58 19 51
30
28 29
31
32
50
21
22
26
23
24
18
17
2
10
14
9
13
12
16
11
15
1
2
63
62 61 60 59
53 52
55
54
57
49
GCA
GCA
GCA
GCA
GCA
GCA
GCA
GCA
MUX
D
C
B
W/LPF
W/LPF
W/LPF
SIGR b2-0
12dB is added
@ high gain mode
(CDR b5=1)
A
MUX
SIGR b3
INPUT
SEL
RFCR b7-6
INPUT IMP
SEL
SIGR b7-4
ATT
ATT
INPUT
BIAS
RFCR b5-4
INPUT IMP SEL
SSOUT
CAR b1-0
Env/Clamp
TENV
+
-
Clamp
& Env
FCCR b7-0
FBCR b6-0
AGC
PROGRAMMABLE
EQUALIZER
DIFFERENTIATOR
AGCO
FULL WAVE
RECTIFIER
CGR b1
OUTPUT INHIBIT
AGC
CHARGE
PUMP
AGC HOLD
RFCR b3
HOLDEN
CDR b6
FOCR b7-4
FS Gain
70kHz
GCA+/-4dB
LPF
Offset
cancel
LPF
Offset
cancel
GCA
+/-6dB, 4bit
FOCR b3-0
FO Gain
Pll
COMP
DAC
TOPHLD
CTCR b7
BCA DET
CBR b3-2
CGR b0
OUTPUT INHIBIT
CTCR b3-0
CO Gain
GCA
0-+8dB, 4bit
Offset
cancel
TOPHLD
TOPHLD
CER b4-0
CE offset
A+D
B+C
3
SIGR b2-0
12dB is added
@ high gain mode
(CDR b5-1)
4D
SUM
PDCR b3
CD/DVD
6dB is added
@ high gain mode
(CDR b5-1)
GCA
RFCR b2-0
TRCR2 b3-0
3B
12dB is added
@ high gain mode
(CDR b5=1)
GCA
EQ
Comp.
VC
TRCR b6
DPD COMP HYS ON
PHASE
DETECTOR
PHASE
DETECTOR
MUX
LPF
SUB
Offset
cancel
GCA
TE
RST
CFR b7-5
TR Gain
TRCR b5-0
TT offset
CEFDB
TRCR2 b7
CP/CN
Low imp
PDCR b3
CD/DVD
for PI output ref.
CHR b7-6
Mirr Defect
Comp ATT
VCI for servo input
V25/3 V25/2
for TE, FE & CE output ref
CDR b2
CDR b3
V33 for output buff
VC
SERIAL POET
REGISTER
CONTROL
Signal
To each block
MRCR b6-4
Mirr Comp
ATT Level
MRCR b7-0
drop rate
control
TOP HLD
TOP ENV
TOP HLD
TOP ENV
MUX
Dual APC
AGCO
A
G
C BTM ENV
BENV
Pll
CTCR b5-4
MEVO SEL
Btm Env
MUX
Btm Clamp
& clip
MUX
CGR b5-4
Gain CDR b7
LINKEN
CCR b7
DISK DET
MUX
MUX
Offset
ATT
MUX
Vref
CFR b2-0
CE-ATT
CFR b3
CEPOL
LPF
ATT
Pol sel.
buff (-12dB)
PI
FE
TE
CE
V25
V125
V25/3
PIOR b7-5
MON
SEL
CAR b7-4
TE MASK SEL
CBR b1-0
SEL
SEL
CCR b4-0
FE offset
Level
DAC
CAR b3-2
SIGDET
B+D
A+C
SUM
Amp.
W/LPF
4
2
2
2
5
4
70kHz
5
2
4
2
2
2
4
3
3
RESUM
+3dB
+/-4dB
CDR b5
High Gain
4
3
3
6
3
2
3
2
V33
SCLK
SDATA
SDEN
VC
V25
V125
TE
CN
CP
LCN
LCP
MNTR
CE
RFDC
DFT
TPH
PI
FE
RC
BYP
LDON
CDLD
D
VDLD
MEV
MEV
O
MIN
MP
MB
MLPF
LINK
MIRR
VP
A
VPB
VN
A
VNB
AT
O
P
AT
O
N
AIN
AIP
FNP
FNN
DIN
DIP
RF
A
C
DVDRFP
DVDRFN
AFSIN
A
CD_A
B
CD_B
C
CD_C
D
CD_D
CD_E
A2
DVDPD
CDPD
4
ATT
CD_F
GCA
GCA
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299