Sharp MD-E9000H Service Manual page 78

MD-E9000H
IC1 VHiLC78645NE1: CD Servo (LC78645NE)
SLCO
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28
FIN1 +
–
MIX
+
–
FIN2 +
– LPF
+
TIN1
+
TBAL
–
–
+
TIN2
TBAL
–
LEVEL SET
REFI
RAM
DETECT
SERVO PROCESSOR
A/D
ADIN
ADAVDD
ADAVSS
JITTER
JITTC
DETECT
SLCO
SLICE LEVEL
EFMIN
CONTROL
SLCIST
PCK
PDO1
PDO2
PLL
FR
PCKIST VCEC
VVDD
CLV,CAV
VVSS
CONTROL
SBCK/FG
XIN
XOUT
CLOCK
16MOUT
XVDD
GENERATOR
XVSS
*RES
*WRQ
CL
CORRECTION
COMMAND
CE
DI
INTERFACE
DO
VDD5V
GENERAL-PURPOSE
CONT1, 2, 3
INTERPOLATION
CONT4, 5 PORTS
SBCK/CONT6
8FS
ATTENUATION
DIGITAL FILTER
1bit DAC
TEST
Figure 78 BLOCK DIAGRAM OF IC
72 71 70 69 68 67 66 65 64 63 62
LC78645NE
29 30 31 32 33 34 35 36 37 38 39
RFVDD
RFVSS
AGC EQ PH
BH
LPF SW
+
–
LPF + +
– –
MONI
–
RFMON
CONT
+
VREF
TRACK JUMP
LDD
APC
LDS
AUTO ADJUST
FD0
SW D/A
TD0
S/H
SLD0
SPD0
DRF
GPDAC
DRF
VDD
RUPTURE DEFECT
FRAME SYNC
FSEQ
DETECT,PROTECT INSERT,
EFN DECODE
V/*P
SUBCODE DECODE CRC
VDD
VSS
MONITOR SIGNAL SELECTOR
MONI1~5
RAM
ERROR
FSK/16MIN
C2F
EFLG
AUDIO CD
AUDIO OUT
DOUT
LRCK
SERIAL
MUTE
BCK
OUT
DATA
DEEMPHSIS
ASLRCK
EXTERNAL
ASDQCK
LPF
AUDIO IN
ASDFIN
– 78 –
61
60 DATA
59 BCK
58 LRCK
ASDFIN
57
56 ASDACK
55 ASLRCK
54 16MOUT
53 EFLG
52
C2F
51
XVSS
50
FSX/16MIN
49
XIN
48
XOUT
47 XVDD
46
RVDD
45
RCH0
44
RVSS
43
LVSS
42 LCHO
41
LVDD
40