Table of Contents
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IC1 VHiLC78637E-1: CD Digital Signal Processor(LC78637E)
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
LPF
1
AIN
2
3
CIN
4
BIN
5
DIN
6
AVSS1
7
AVDD1
8
FEC
9
RFMUN
10
VREF
JITTC
11
EIN
12
FIN
13
14
TEC
TE
15
TEIN
16
AVSS2
17
AVDD2
18
19
LDD
LDS
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
AIN
RF
CIN
SINGNAL
BIN
PROCESSOR
DIN
EIN
TRACKING ERROR
PROCESSPR
FIN
RAM
DEFECT
SERVO
A/D
PROCESSPR
JITTER
JITTC
DETECT
SLICE
SLCO
LEVEL
EFMIN
CONTROL
PCK
PD01
PD02
PLL
PCKIST
VCEC
VVDD
CLV, CAV
VVSS
CONTROL
SBCK/FG
XIN
XOUT
CLOCK
16MOUT
GENERATOR
XVDD
XVSS
*RES
*WRQ
CL
COMMAND
CE
INTERFACE
DI
DO
VDD5V
GENERAL
CONT1, 2, 3
CONT4, 5
PURPOSE
SBCK/CONT6
8FS
DIGTAL FILTER
1 bit DAC
TEST
Figure 1 BLOCK DIAGRAM OF IC
LC78637
MONITOR
Ð
FOCUS
+
ERROR
PROCESSOR
PH
BH
APC
DEFECT DET
TRACK JUMP
AUTO ADJUST
SW
D/A
S/N
DRF
RUPTURE
FRAME SYNC
DETECT, PROTECT
INSERT DECODE
SUBCODE & TEXT DECODE
MONITOR SIGNAL. SELECTOR
RAM
ERROR
CORRECTION
AUDIO CD
AUDIO OUT
INTERPOLATION
SERIAL
OUT
ATTENUATION
DEEMPHSIS
EXTERNAL
LPF
AUDIO IN
8 – 3
XL-G5000V/XL-G5000V(S)
60
DATA
59
DATACK
58
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
16MOUT
53
EFLG
52
C2F
51
XVSS
50
FSX/16MIN
49
XIN
XOUT
48
47
XVDD
46
RVDD
45
RCHO
44
RVSS
43
LVSS
42
LCHO
41
LVDD
VREF
LDD
LDS1
AVDD1
AVSS1
AVDD2
AVSS2
FDO
TDO
SLDO
SPDO
DRP
FSEQ
V/*P
VDD
VSS
MONI1~5
FSX/16MIN
CZF
EFLG
DOUT
LRSY
DATACK
DATA
ASLRCK
ASDACK
ASDPIN
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