Read Sharp CD-BA250 (serv.man9) Service Manual online
– 47 –
CD-BA250H/CD-BA2600H
Figure 47 BLOCK DIAGRAM OF IC
IC1 VHiLC78645E-1: CD Servo (LC78645E)
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41
SLC0
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TD0
FD0
SPD0
SLD0
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/*P
FSEQ
MONI1
MONI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
TEST
LDD
LDS
FR
VVDD
PCKIST
VVSS
PD02
PD01
CONT1
CONT2
CONT3
VSS
VDD5
DRF
*RES
*WRQ
DO
DI
CL
CE
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCH0
RVSS
LVSS
LCHO
LVDD
LC78645E
+
–
+
–
+
–
+
–
–
–
+
+
MIX
LPF
LPF
LPF
TBAL
TBAL
RAM
LEVEL SET
AGC
EQ
SW
PH
BH
+
–
+
–
+
–
+
–
MONI
CONT
A/D
SERVO PROCESSOR
TRACK JUMP
AUTO ADJUST
JITTER
DETECT
1bit DAC
8FS
DIGITAL FILTER
GENERAL-PURPOSE
PORTS
COMMAND
INTERFACE
CLOCK
GENERATOR
CLV,CAV
CONTROL
PLL
VCEC
SLICE LEVEL
CONTROL
APC
S/H
D/A
SW
DRF
RUPTURE DEFECT
FRAME SYNC
DETECT,PROTECT INSERT,
EFN DECODE
VDD
SUBCODE DECODE CRC
MONITOR SIGNAL SELECTOR
RAM
ERROR
CORRECTION
AUDIO CD
AUDIO OUT
SERIAL
OUT
EXTERNAL
AUDIO IN
INTERPOLATION
MUTE
ATTENUATION
DEEMPHSIS
LPF
FIN1
FIN2
TIN1
TIN2
REF1
DETECT
ADIN
ADAVDD
ADAVSS
JITTC
SLC0
EFMIN
SLCIST
PCK
PDO1
PDO2
PDO2
FR
PCKIST
VVDD
VVSS
SBCK/FG
XIN
XOUT
16MOUT
XVDD
XVSS
*RES
*WRQ
CL
CE
DI
DO
VDD5V
CONT1, 2, 3
TEST
CONT4, 5
SBCK/CONT6
LVDD
LVSS
LCHO
RCHO
RVDD
RVSS
ASDFIN
ASDQCK
ASLRCK
DATA
DATACK
LRSY
DOUT
EFLG
C2F
FSK/16MIN
MONI1~5
VSS
VDD
V/*P
FSEQ
DRF
GPDAC
SPD0
SLD0
TD0
FD0
LDS
LDD
VREF
RFMON
RFVSS
RFVDD
RF
TEC
TE
FE
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