Description Of Major Ics - JVC XV-M52SL Service Manual

XV-M52SL/XV-M50BK

Description of major ICs

AN8706FHQ (IC101) : Front end processor
1.Pin layout
76
CBDOFS
77
RBCA
TESTSG 78
79
RFINP
80
RFINN
81
VCC2
82
GND2
83
VREF2
84
COFTFS
85
COFTFL
86
RFON
87
RFOP
88
TS
89
DCRF
90
FS
91
VIN6
92
VIN5
93
VCC1
VIN1 94
95
VIN2
96
VIN3
97
VIN4
98
VREF4
99
DIFP
100
DIFN
2.Block diagram
FE
Head Amp. FE(SSD)
SSD Signal
FE BAL
Head Amp.
DPD Signal
OPTICAL HEAD
1-24
AN8706FHQ
RFOUT
FBAL FS/TS TBAL TKCNT TE
T K C N T
M U
TE(DPD)
TE BAL
TG(DPD)
LPC(Amp)
TGBAL
(650nm)
50
RDCKP
49
RDCKN
48
RDTP
47
RDTN
46
GND5
45
GND4
44
VCC4
43
DTMONN
42
DTMONP
41
DSLFLT
40
DSLO
39
FLTOUT
38
DCFLT
37
VREF3
36
VPWBDO
35
VPWOFT
34
IDDLY
33
DBAL
32
GND1
31
VREF1
30
TKCNT
29
TKCFLT
28
TEOUT
27
TEI
26
RSCL
FC/Boost
RFIN
TG AGC Cont RFENV
R F E N V
AGC EQ
D S L
BDO Det
OFTR Det
VREF reg
SERVO PROCESSOR
Head Amp.
DFLTOP/N
JITTER Det
P L L
S Y N C
I N T E R F A C E
CPU STNBY MTRON
JITOUT
CLK
DATA
DSLOUT
BDO
OFTR