Belson BSA-3750, Service Manual

Page: 23 / 44

DVD - DivX Player - BSA3750
23
BLOCK DIAGRAM
The major subsystem of the ES6603 are shown in the figure below.
ES6603 Block Diagram
DVDRFP
DVDRFN
BYP
FULL WAVE
RECTIFIER
D
IN
AGC
CHARGE
PUMP
PROGRAMMABLE
EQUALIZER
FILTER
DIFFERENTIATOR
F
N
P
F
N
N
AGC
RX
A
B
C
D
GCA
GCA
GCA
GCA
3
A + D
B + C
FE
PI
SUM
Amp.
R
F
A
C
RFSIN
MUX
LPF
TE
MUX
CD/DVD
A2
B2
C2
D2
EQ
EQ
EQ
EQ
PHASE
DETECTOR
PHASE
DETECTOR
Comp.
GCA
GCA
GCA
GCA
3
CD_E
CD_F
CE
CN
CP
DFT
RFDC
M
IN
D
V
D
L
D
C
D
L
D
M
L
P
F
M
P
M
B
DVDPD
CDPD
LD H/L
Dual APC
M
IR
R
SDEN
SCLK
SERIAL PORT
REGISTER
V125
VC
VCI for servo input
SIGR b3
APC SEL
DVD/CD
V
P
A
V
P
B
V
N
A
V
N
B
RFCR b7-6
2
2
IMPUT
BIAS
LPF
Buff
TE
RST
+-3dB
V33
V33 for Output buff
M
E
V
M
E
V
O
Offset
cancel
PIOR b4-0
PI offset
5
CP/CN
Low Imp
AGC HOLD
INPUT IMP SEL
LPF
Clamp
& Env
Level
DAC
2
GCA
GCA GCA
TRCR2 b3-0
3B
4
SEL
CD_A
CD_B
CD_C
CD_D
GCA
GCA
GCA
GCA
w/LPF
AGCO
70kHz
70kHz
for TE,FE & CE output ref.
PII
+/- 4dB
MUX
w/LPF
w/LPF
w/LPF
RFCR b2-0
3
3
SSOUT
B + D
A + C
A
B
C
D
CD/DVD
CDR b4
CCR b5
INPUT SEL
INPUT IMP SEL
RFCR b2-0
TRCR2 b6-4
DPD EQ
TRCR b6
DPD COMP HYS ON
PDCR b3 TRCR2 b7
PDCR b3
CTCR b3-0
CO gain
CBR b1-0
RFCR b3
CAR b3-2
SIGDET
RFCR b5-4
FCCR b6-0
FBCR b6-0
CAR b1-0
Env/Clamp
(CDR b5=1)
6dB is added
@high gain mode
(CDR b5=1)
12dB is added
@high gain mode
CONTROL
Signals
To each block
CDR b3
VC
2
Offset
cancel
CER b4-0
CE offset
4
GCA
0-+8dB,4bit
4
Offset
cansel
CCR b4-0
FE offset
5
GCA
+/- 6dB 4bit
4
A
T
O
P
A
T
O
N
ATT
4
SIGR b7-4
ATT
A
IN
A
IP
Offset
cancel
TRCR b5-0
TR offset
6
GCA
3
CFR b7-5
TR Gain
GCA
FOCR b7-4
FS gain
4
+/- 4dB
MNTR
MON
SEL
CDR b6
HLDEN
FE
SEL
CE
V25
V125
V25/3
3
Tenvb
PIOR b7-5
CBR b5-4
TE MASK sel
L
D
O
N
TOPHLD
TOPHLD
V25
V25/2
TOP HLD
BTM ENV
BTM HLD
TOP ENV
ATT
ATT
MUX
PI
TE
MUX
VC
P
II
A
G
C
O
T
e
n
vb
MRCR2 b7 -0
droop rate
control
4D
SUM
MUX
offset
MUX
Vref
Btm clamp
& clip
MUX
MUX
Btm Env
CBR b3-2
TOPHLD
2
DAC
COMP
CTCR b7
BCA DET
TPH
2
D
IP
LCN
LCP
SUB
CFR b4
CEFDB
CFR b2-0
CE-ATT
LPF
ATT
Pol.sel
Buf(-12dB)
3
GCA
CGR b5-4
Gain
L
IN
K
CDR b7
LINKEN
CFR b3
CEPOL
CCR b7
DISK DET
SDATA
FOCR b3-0
FO Gain
RESUM
2
14
CDR b5
High gain
A
G
C
B
T
M
E
N
V
CTCR b5-4
MEVO SEL
2
CHR b7-6
Mirr Defect
Comp ATT
2
MRCR b6-4
Mirr Comp
ATT Level
3
@high gain mode
SIGR b2-0
(CDR b5=1)
12dB is added
(CDR b5=1) @high gain mode
SIGR b2-0
12dB is added
CGR b1
OUTPUT INHIBIT
CGR b0
OUTPUT INHIBIT
CDR b2
V25/3
for PI output ref.