Sharp CD-BP90W Service Manual page 48

CD-BK100W/CD-BP90W
IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E)
IC1 VHiLA9235M-1: Servo Amp. (LA9235M)
FIN1
FIN2
TIN1
TIN2
REF1
VREF
LDS
LDD
GND
LDOF
ODRV
AGON
EFBL
TESTO
TESI
PDO1
1
PDO2 2
VVSS
3
PCKIST 4
VVDD 5
FR
6
HFL 7
SLCIST 8
SLCO 9
EFMIN 10
JITTV
11
JITTC 12
BH 13
PH(RFENV)
14
FE 15
TE
16
VREF 17
ADAVDD 18
ADAVSS
19
PHREF 20
BHREF
21
TBLO 22
TDO 23
FDO
24
1
REF
2
REF
3
REF
4
REF
5
REF
6
7
APC
8
9
10
11 ODRV
12
AGCON
13
14
LPF
15
Figure 48 BLOCK DIAGRAM OF IC
LC78641E
LA9235M
REF
AGCON
PH
BH
ODRV
PH/BH
REF
LPF
REF
REF
LPF
REF
REF
REF
REF
REF
– 48 –
SBCK
64
63 PW
SBSY
62
61 SFSY
61 16M
DATA
59
58 DATACK
57 LRSY
56 ASDFIN
55 ASDACK
ASLRCK
54
53 XVSS
52 XOUT
XIN
51
50 XVDD
RVDD
49
48 RCHO
47 RVSS
LVSS
46
45 LCHO
LVDD
44
43 MUTER
42 MUTEL
EMPH
41
ODRV
30 VCC
29 RFSW
28 RF-
REF
27 RF
26 NC
25 PH
24 BH
23 NC
22 RFEV
21 FE-
20 FE
19 TE-
18 TE
17 HFL
16 TEST