Sharp CD-XP700 Service Manual page 48

CD-XP700/CD-XP7700
IC1 VHiLC78645NE1: CD Servo (LC78645NE)
SLCO
1
SLCIST 2
EFMIN 3
RF
4
RFVDD 5
6
RFVSS
FIN1 7
FIN2 8
9
TIN1
10
TIN2
11
VREF
REF1 12
13
FE
14
TEC
15
TE
RFMON 16
JITTC 17
18
ADAVDD
19
ADAVSS
TDO 20
SBCK/CONT6
All manuals and user guides at all-guides.com
80 79 78 77 76 75 74 73 72 71
LC78645NE
21 22 23 24 25 26 27 28 29 30
FIN1 +
–
MIX AGC
+
–
FIN2 +
– LPF
TIN1 +
+
TBAL
–
–
TIN2 +
TBAL
–
LEVEL SET
REF1
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
ERROR
*WRQ
CL
CORRECTION
COMMAND
CE
DI
AUDIO CD
INTERFACE
DO
VDD5V
GENERAL-PURPOSE
CONT1, 2, 3
INTERPOLATION
CONT4, 5 PORTS
MUTE
8FS
ATTENUATION
DEEMPHSIS
DIGITAL FILTER
1bit DAC
LPF
TEST
Figure 48 BLOCK DIAGRAM OF IC
70 69 68 67 66 65 64 63 62
31 32 33 34 35 36 37 38 39
RFVDD
RFVSS
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
DETECT,PROTECT INSERT, FSEQ
EFN DECODE
V/*P
SUBCODE DECODE CRC
VDD
VSS
MONITOR SIGNAL SELECTOR
MONI1~5
RAM
FSK/16MIN
C2F
EFLG
AUDIO OUT
DOUT
LRCK
SERIAL
BCK
OUT
DATA
EXTERNAL ASLRCK
ASDQCK
AUDIO IN
ASDFIN
– 48 –
61
DATA
60
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 RCHO
44 RVSS
43
LVSS
42
LCHO
41 LVDD
40