Sharp MD-E9000H Service Manual page 78

MD-E9000H
IC1 VHiLC78645NE1: CD Servo (LC78645NE)
SLCIST
EFMIN
RFVDD
RFVSS
RFMON
ADAVDD
ADAVSS
80 79 78 77 76
SLCO 1
2
3
RF 4
5
6
FIN1 7
FIN2 8
9
TIN1
10
TIN2
11
VREF
12
REFI
13
FE
TEC 14
15
TE
16
17
JITTC
18
19
20
TDO
21 22 23 24 25
+
FIN1
–
–
FIN2 +
–
TIN1 +
TBAL
–
+
TIN2
TBAL
–
LEVEL SET
REFI
DETECT
A/D
ADIN
ADAVDD
ADAVSS
JITTC
SLCO
SLICE LEVEL
EFMIN
CONTROL
SLCIST
PCK
PDO1
PDO2
PLL
FR
PCKIST VCEC
VVDD
VVSS
SBCK/FG
XIN
XOUT
CLOCK
16MOUT
XVDD
GENERATOR
XVSS
*RES
*WRQ
CL
COMMAND
CE
DI
INTERFACE
DO
VDD5V
GENERAL-PURPOSE
CONT1, 2, 3
CONT4, 5 PORTS
SBCK/CONT6
8FS
DIGITAL FILTER
1bit DAC
TEST
Figure 78 BLOCK DIAGRAM OF IC
75 74 73 72 71 70 69 68
LC78645NE
26 27 28 29 30 31 32 33
MIX AGC EQ
+
LPF
LPF SW
+
–
LPF +
–
–
+
RAM
TRACK JUMP
SERVO PROCESSOR
AUTO ADJUST
JITTER
SW D/A
DETECT
DRF
RUPTURE DEFECT
FRAME SYNC
DETECT,PROTECT INSERT,
CLV,CAV
EFN DECODE
CONTROL
SUBCODE DECODE CRC
MONITOR SIGNAL SELECTOR
ERROR
CORRECTION
AUDIO CD
INTERPOLATION
MUTE
ATTENUATION
DEEMPHSIS
LPF
– 78 –
67 66 65 64 63 62 61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
34 35 36 37 38 39 40
RFVDD
RFVSS
PH
BH
+
–
+
–
MONI
RFMON
CONT
VREF
LDD
APC
LDS
FD0
TD0
S/H
SLD0
SPD0
GPDAC
DRF
VDD
FSEQ
V/*P
VDD
VSS
MONI1~5
RAM
FSK/16MIN
C2F
EFLG
AUDIO OUT
DOUT
LRCK
SERIAL
BCK
OUT
DATA
ASLRCK
EXTERNAL
ASDQCK
AUDIO IN
ASDFIN
DATA
BCK
LRCK
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCH0
RVSS
LVSS
LCHO
LVDD