Block Diagram - Denon DVD-2200 Service Manual

Block Diagram

1
DVDRFP
2 MUX
DVDRFN
RFSIN
63
2
SIGR b3
RFCR b7-6
INPUT
SEL INPUT IMP
SEL
A
A 12
B
CD_A 16
C
B
11
D
CD_B 15
MUX
C 10
CD_C 14
9
D
CD_D 13
PDCR b3
CD/DVD
6dB is added
@ high gain mode
(CDR b5=1)
CD_E 18 GCA
CD_F 17 GCA
3
RFCR b2-0
12dB is added
@ high gain mode
(CDR b5=1)
3
A2 GCA
B2 4 GCA
C2 5 GCA
D2 6 GCA
3
RFCR b2-0
TRCR2 b6-4
DPD EQ
CCR b5
APC SEL
DVD/CD
CDR b4
LD H/L
23
DVDPD
24
CDPD
26
62 61 60 59
FCCR b7-0
FBCR b6-0
AGC
INPUT
ATT
BIAS
4
2
SIGR b7-4
RFCR b5-4
ATT
INPUT IMP SEL
SSOUT
2
CAR b1-0
Env/Clamp
TENV
B+D
W/LPF
GCA
SUM
Amp.
W/LPF
GCA
A+C
W/LPF
GCA
W/LPF
GCA
SIGR b2-0
12dB is added
@ high gain mode
(CDR b5=1)
GCA
A+D
GCA
GCA
B+C
GCA
3
SIGR b2-0
TOPHLD
12dB is added
@ high gain mode
TOPHLD
(CDR b5=1)
4D
SUM
RESUM
+/-4dB
GCA
4
CDR b5
TRCR2 b3-0
High Gain
3B
Comp.
EQ
PHASE
DETECTOR
EQ
EQ
PHASE
DETECTOR
EQ
VC
3
TRCR b6
DPD COMP HYS ON
AGCO
CTCR b5-4
MEVO SEL
Btm Env
MUX
Dual APC
Btm clamp
MUX
22 21 50 32 31
53 52 55
PROGRAMMABLE
EQUALIZER
FULL WAVE
FILTER
RECTIFIER
DIFFERENTIATOR
AGCO
Clamp
& Env
2 Level
DAC
CAR b3-2
SIGDET
70kHz
LPF
GCA +/-4dB
4
FOCR b7-4
PIOR b4-0
5
FS Gain
PI offset
70kHz
Offset
LPF
cancel
CTCR b7
BCA DET
CBR b3-2
Buff
CTCR b3-0
CO Gain
Offset
cancel
0-+8dB, 4bit
4
CER b4-0
CE offset
+3dB
CFR b2-0 3 LPF
CE-ATT ATT
Pol sel.
CFR b3
buff (Ð12dB)
CEPOL
MUX
LPF
TRCR2 b7
PDCR b3
CP/CN
CD/DVD
Low lmp
for PI output ref.
CHR b7-6
Mirr Defect
Comp ATT
MRCR b6-4
CONTROL
MRCR b7-0
Mirr Comp
Signals
droop rate
2
ATT Level
To each block
control
3
ATT
TOP HLD
2
MUX
ATT
TOP ENV
Offset
MUX
BTM HLD
Vref
& clip BTM ENV
MUX
28 29 30
52
DVD-2200
54 57
HOLDEN
AGC HOLD
CDR b6
RFCR b3
CGR b1
OUTPUT INHIBIT
AGC
CHARGE
PUMP
CCR b4-0
FE offset
5
+/-6dB, 4bit
Offset
GCA
cancel
4
FOCR b3-0
Pll
FO Gain
TOPHLD
COMP
SEL
DAC
2
CBR b1-0
CGR b0
OUTPUT INHIBIT
SEL
4
CAR b7-4
GCA
TE MASK SEL
PI
FE
TE
MON
CE
SEL
V25
V125
V25/3
3
PIOR b7-5
SUB
Offset TE
GCA
cancel RST
6 3
CFR b7-5
CEFDB TRCR b5-0
TR offset TR Gain
for TE, FE & CE output ref.
V25/3 V25/2
CDR b2
VCI for servo input
VC
CDR b3
SERIAL PORT
REGISTER
V33 for output buff
CCR b7
CGR b5-4
MUX
DISK DET
Gain
CDR b7
LINKEN
33 27 58 19 51 25
52
56 BYP
49
RX
40
FE
38
PI
35
TPH
34
DFT
2
61
RFDC
2
41
CE
42
MNTR
44
LCP
43
LCN
7
CP
8
CN
39
TE
36
V125
37
V25
20
VC
48 SDEN
47
SDATA
46
SCLK
45 V33