CD-BA1700 (serv.man9). Part 4 - Voltage table, Troubleshooting tables, IC tables - Sharp Audio Service Manual (repair manual). Page 7

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CD-BA160H/1700H
– 44 –
FUNCTION TABLE OF IC
Figure 44 BLOCK DIAGRAM OF IC
IC1  VHiLA9235M/-1: Servo Amp. (LA9235M)
IC2  VHiLC78641E-1: Servo/Signal Control (LC78641E)
REF
LA9235M
REF
REF
REF
REF
REF
REF
REF
REF
AGCON
ODRV
AGCON
ODRV
REF
REF
LPF
LPF
APC
ODRV
REF
REF
REF
REF
LPF
PH/BH
PH
BH
1
30
FIN1
VCC
2
29
FIN2
RFSW(NC)
3
TIN1
4
27
TIN4
RF
26 N/C
25 PH
24 BH
23 GND
5
REF1
15
16
TES1
14
TESTO(NC)
13
EFBL
12
AGON
11
ODRV
10
LDON
9
GND
8
LDD
7
PD
6
VREF
TEST(NC)
17 HFL
18 TE
19 TE-
20 FE
21 FE-
22 RFEV
28 RF-
1
PDO1
2
PDO2
3
VVSS
4
PCKIST
5
VVDD
6
FR
7
HFL
8
SLCIST
9
SLCO
10
EFMIN
11
(NC)JITTV
12
JITTC
13
BH
14
PH(RFENV)
15
FE
16
TE
25
SPDO
26
SLDO
27
FG(D_Vref)
28
LASER
29
CONT1
30
CONT2
CONT3
CONT4
CONT5
31
32
33
34
(NC)PCK
35
(NC)C2F
36
VDD
37
DOUT
38
(NC)FSX
39
(NC)EFLG
40
TEST
EFMO(NC)
DEFECT(NC)
FSEQ(NC)
V/P(NC)
CONT7
CONT6
VSS
VDD5V
DEF
RES
WRQ
INT
DO
DI
CL
CE
17
VREF
18
ADAVDD
19
ADAVSS
20
(NC)PHREF
21
(NC)BHREF
22
TBLO
23
TDO
24
FDO
SBCK
PW(NC)
SBSY(NC)
SFSY(NC)
16M(NC)
DATA(NC)
DATACK(NC)
LRSY(NC)
ASDACK
ASLRCK
ASDFIN
XVSS
XOUT
XIN
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
MUTER(NC)
MUTEL(NC)
EMPH(NC)
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
61
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
LC78641E
(NC)
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