Read Sharp XL-HP404 (serv.man11) Service Manual online
XL-HP404E/HP404H
8 – 3
IC1 VHiLC78648E-1: CD Digital Signal Processor(LC78648E)
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AVDD1
SLCO
EFMIN
RF
LPF
JITTC
AIN
CIN
BIN
DIN
FEC
PHLPF/RFMON
VREF
EIN
FIN
TEC
TE
TEIN
LDD
LDS
FDO
TDO
SLDO
SPDO
AVSS
AVDD2
DVDD
DVSS
VPB
DEFECT
FSEQ
EFLG
FSX
CONT1
CONT2
CONT3
MONI1
MONI2
DOUT
TEST
VVDD
VVSS
PCKIST
PD02
PD01
CONT4
CONT5
MONI3
MONI4
MONI5
CONT6/SBCK
C2F/SBCK
DRF
*RES
*WRQ
DO
DI
CL
CE
DVSS
DVDD
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
F16MOUT
OUT1
F16MIN
IOMODE
XVDD
XIN
XOUT
XVSS
RVDD
RCHO
LRVSS
LCHO
LVDD
LC78648E
PHLPF/RFMON
VREF
LDD
LDS
LDS
LPF
RF
AIN
CIN
BIN
DIN
CIN
BIN
DIN
FEC
EIN
FIN
FIN
TEC
TE
TEIN
JITTC
SLCO
EFMIN
PDO1
PDO2
PDO2
PCKIST
VVDD
VVSS
RVDD
RCHO
LRVSS
LCHO
LVDD
XVDD
XVSS
XIN
XOUT
F16MIN
F16MOUT
ASLRCK
ASDACK
ASDFIN
RESB
TEST
IOMODE
FDO
TDO
SPDO
SLDO
TDO
SPDO
SLDO
AVDD1
AVSS
AVDD2
AVSS
AVDD2
DEFECT
DRF
VPB
CONT1~6
OUT1
OUT1
FSEQ
CL
CE
DI
DO
WRQB
CE
DI
DO
WRQB
DOUT
LRSY
DATACK
DATA
DATACK
DATA
FSX
EFLG
C2F
EFLG
C2F
MONI1~5
DVDD
DVDD
DVSS
DVSS
DVDD
DVSS
DVSS
MONITOR
VREF
APC
RF SIGNAL
PROCESSOR
FOCUS ERROR
PROCESSOR
JITTER/DETECT
PLL
CLOCK
GENERATOR
EXTERNAL
AUDIO IN
LPF
SLICE LEVEL
CONTROL
TRACKING ERROR
PROCESSOR
1bit DAC
RAM
ATTENUATION
INTERPOLATION
MUTE
ERROR
CORRECTION
8FS DIGITAL
FILTER
DEEMPHASIS
SERIAL
OUT
A/D
AUTO
ADJUST
SETVO
PROCESSEROR
TRACK
JUMP
CLV
CAV
CONTROL
A/D
RAM
RUPTURE
DEFECT
DRF
CPU I/F
FRAME SYNC
DETECT,PROTECT,
INSERT,
EFMDECODE
PORT
MONITOR SIGNAL
SELECTOR
SUBCODE DECODE
CRC & TEXT
AUDIO OUT
Figure 1 BLOCK DIAGRAM OF IC
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