Sanyo DC-TS730, Service Manual

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IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9702WL-MPB (Read Channel)
Pin No. Pin name Function
1 RFN
2 RFP
3 PD1
4 PD2
5 PD3
6 PD4
7 PD5
8 PD6
9 PD7
10 PD8
11 PD9
12 VCC
Power supply
13 LDD1
14 LDS1
15 LDD2
16 LDS2
17 GND
18 SGC
19 FEBL
20 TEBL
21 VGA
22 BST
Equalizer boost adjustment
23 FOST
24 TOST
25 BCATH
BCA shureshud adjustment terminal
26 REFI
Base power setting
27 SREF
Servo signal base power output
28 RREC
Reflection output
29 FE
Focus error output
30 TE
Tracking error output
31 THC
TE hold time constant value condenser connect
32 WO
Warble output terminal
33 ISET
BPF center frequency setting register connect terminal
34 WOI
Push pull signal input
35 WOO
Push pull signal output
36 TEO
3 beam TE gain setting terminal
37 TEN
3 beam TE gain setting terminal
38 CP
Charge pump gain setting register, condenser connect terminal
39 BHI
40 RFON
RF - output
41 RFOP
RF + output
42 BH
RF bottom ditection output
43 PHI
peak hold ditection constant register connect
44 PH
RF peak detection output
45 BCA
RF signal - input
RF input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
Pickup signal input
APC1 output
APC1 moniter power input
APC2 output
APC2 moniter power input
GND
Servo gain control terminal(RREC, FE, TE)
Focus balance adjustment terminal
Tracking balance adjustment terminal
RF gain adjustment terminal
Focus offset adjustment terminal
Tracking offset adjustment terminal
Bottom hold detect constant setting register connection terminal
BCA output
Pin No. Pin name Function
46 DEF
Defect output (H : Defect detection)
47 DEFC
Defect detection condenser connect terminal
48 TC
Defect detection constant setting register terminal
49 GND
GND (DTD system)
50 LPC
RF DC servo condenser connect terminal
51 CPOF
Charge pump OFF terminal (H : OFF)
52 EQO2
RF equalizer setting terminal
53 TH
Tracking hold (H : hold)
54 EQL2
RF equalizer setting terminal
55 VCC
Power supply (DPD system)
56 EQO4
RF equalizer setting terminal
57 XHTR
Tracking, bottom detection band switching ( L : high band)
58 EQI4
RF qualizer setting terminal
59 XQBH
Bottom detection time constant switching ( L : high speed)
60 EQ03
61 EQSCT
Equalizer switching ( H : 77 pin select, L : 52pin select)
62 EQI3
63 DPD/TE
DPD, 3 beam tracking switching ( H : DPD)
64 RFO2
RF output
65 RFO1
RF output
66 VCC
Power supply ( RF system)
67 EQI1
68 PP/TE
3 beam, push pull tracking switching ( L : 3 beam)
69 EQO1
70 LDON2
APC 2 beam laser ON terminal ( H : ON)
71 EQI2
72 LDON1
73 EQO2
74 GND
GND (RF system)
75 EQL1
76 RFSCT
RF input switching ( H : RF differential input, PP error)
77 EQO1
78 CAO
customize amp. output
79 PREF
Base voltage output ( pick use)
80 CAN
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
APC 1 beam laser ON terminal ( H : ON)
RF equalizer setting terminal
RF equalizer setting terminal
RF equalizer setting terminal
customize amp. input
30KOHM
30KOHM
30KOHM
30KOHM
30KOHM
30KOHM
1
RFN
2
RFP
3
PD1
4
PD2
5
PD3
6
PD4
7
PD5
8
PD6
9
PD7
10
PD8
11
PD9
Vcc
LDD1
LDS1
LDD2
LDS2
GND
SGC
FEBL
TEBL
21
VGA
22
BST
23
FOST
24
TOST
25
BCATH
26
REFI
27
SREF
28
RREC
29
FE
30
TE
31
THC
32
WO
33
ISET
34
WOI
35
WOO
36
TEO
37
TEN
38
CP
39
EHI
40
RFON
41
RFOP
42
SH
44
PH
43
PHI
45
BCA
46
DEF
47
DEFC
49
GND
50
LPC
48
TC
53
TH
52
EOO2
51
CPOF
55
Vcc
54
EQL2
56
EQO4
57
XHTR
58
EQI1
59
XQBH
60
BQ03
61
EQSCT
62
EQI3
63
DPD/TE
64
RF02
65
RF01
66
Vcc
67
EQI1
68
PP/TE
69
EQO1
70
LDON2
71
EQI2
72
LDON1
73
EQO2
74
GND
75
EQL1
76
RFSCT
77
EQO1
78
CAO
79
PREF
80
CAN
12
13
14
15
16
17
18
19
20
LDON1
LDON2
APC
APC
SGC
FEBL
TEBL
DPD
VGA BST FOST
TOST BCATH
REFI SREF
XQBH
Vcc
TH
CPOF
PREF
RFSCT LDON1 LDON2 PP/TE
Vcc
DPD/TE EQSCT
XHTR
1.5KOHM
3KOHM
3KOHM
DPD/
TE
PREF
VGA
BST
30KOHM
30KOHM
80KOHM
80KOHM
PREF
Vcc
30KOHM
30KOHM
30KOHM
30KOHM
30KOHM
30KOHM
30KOHM
RFSC1
RFSCT
5KOHM
FOST
FEBL
FOST
FEBL
RFSCT
5KOHM
SREF
TOST
PP/TE
TEBL
TOST
PP/TE
TEBL
5KOHM
120KOHM
120KOHM 5KOHM
20pF
5KOHM
200KOHM
15pF
200KOHM
15pF
5KOHM
SGC
20pF
SGC
30KOHM
10KOHM
SGC
DPD/TE
TH
OPOF
TE
XHTR
REF
REF
DPD/TE
EQSCT
10KOHM
DEF
PH
SREF
SREF
SREF
PH
BH
XHTR XQBH
BPF
LPF2 LPF1
PREF
RESCT
RESCT
PREF
BCATH
IC101,493 CD40668BCM(Quad Bilateral Switch)
1
2
3
4
5
6
7 8
9
10
11
12
13
14
SW C
SW D
SW B
SW A
V
DD
CONTROL A
CONTROL D
IN/OUT
OUT/IN
OUT/IN
IN/OUT
IN/OUT
OUT/IN
OUT/IN
IN/OUT
CONTROL B
CONTROL C
V
SS