Sharp XL-MP333H Service Manual page 60

XL-MP333H/XL-MP444H
IC401 VHiLC78646E-1: CD Servo (LC78646E)
SLCO
SLCIST
EFMIN
RFVDD
RFVSS
VREF
REF1
RFMON
JITTC
ADAVDD
ADAVSS
80 79 78 77 76 75 74
1
2
3
RF
4
5
6
FIN1 7
FIN2 8
9
TIN1
10
TIN2
11
12
13
FE
14
TEC
15
TE
16
17
18
19
20
TDO
21 22 23 24 25 26 27
FIN1 Ð
+
MIX
+
Ð
FIN2 Ð
LPF
+
TIN1 + +
TBAL
Ð
TIN2 Ð
TBAL
+
LEVEL SET
REF1
RAM
DEFECT
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
GENERATOR
XVDD
XVSS
*RES
*WRQ
CL
COMMAND
CE
INTERFACE
DI
DO
VDD5V
GENERAL-PURPOSE
CONT1, 2, 3
PORTS
CONT4, 5,
SBCK/CONT6
8FS
DIGITAL FILTER
1bit DAC
TEST
Figure 1 BLOCK DIAGRAM OF IC
73 72 71 70 69 68 67 66 65 64
LC78646E
28 29 30 31 32 33 34 35 36 37
PH
EQ AGC
BH
LPF SW
+
Ð Ð
LPF + +
Ð Ð
MNI
Ð
CONT
+
TRACK JUMP
APC
AUTO ADJUST
SW D/A
S/H
DRF
VDD5V
RUPTURE DEFECT
FRAME SYNC
DETECT,PROTECT INSERT,
EFM DECODE
SUBCODE DECODE CRC
MONITOR SIGNAL SELECTOR
RAM
ERROR
CORRECTION
AUDIO CD
C1-2,C2-2
AUDIO OUT
INTERPOLATION
SERIAL
MUTE
OUT
ATTENUATION
DEEMPHSIS
EXTERNAL
LPF
AUDIO IN
8 – 3
63 62 61
60 DATA
59 DATACK
58 LRSY
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
RCHO
44
RVSS
43
LVSS
42
LCHO
41
LVDD
38 39 40
RFVDD
RFVSS
RFMON
VREF
LDD
LDS
FD0
TD0
SLD0
SPD0
GPDAC
DRF
FSEQ
V/*P
VDD
VSS
MONI1~5
FSX/16MIN
C2F
EFLG
DOUT
LRSY
DATACK
DATA
ASLRCK
ASDACK
ASDFIN