Sanyo DVD-SL20 Service Manual page 20

IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9702WL-MPB (Read Channel)
Pin No. Pin name
1 RFN
RF signal - input
2 RFP
RF signal + input
3 PD1
Pickup signal input
4 PD2
Pickup signal input
5 PD3
Pickup signal input
6 PD4
Pickup signal input
7 PD5
Pickup signal input
8 PD6 Pickup signal input
9 PD7
Pickup signal input
10 PD8
Pickup signal input
11 PD9
Pickup signal input
12 VCC
Power supply
13 LDD1
APC1 output
14 LDS1
APC1 moniter power input
15 LDD2
APC2 output
16 LDS2
APC2 moniter power input
17 GND
GND
18 SGC
Servo gain control terminal(RREC, FE, TE)
19 FEBL
Focus balance adjustment terminal
20 TEBL Tracking balance adjustment terminal
21 VGA
RF gain adjustment terminal
22 BST
Equalizer boost adjustment
23 FOST
Focus offset adjustment terminal
24 TOST
Tracking offset adjustment terminal
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
Bottom hold detect constant setting register connection terminal
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
BCA output
Function
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Pin No. Pin name
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 RF equalizer setting terminal
61 EQSCT
Equalizer switching ( H : 77 pin select, L : 52pin select)
62 EQI3 RF equalizer setting terminal
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
RF equalizer setting terminal
68 PP/TE
3 beam, push pull tracking switching ( L : 3 beam)
69 EQO1
RF equalizer setting terminal
70 LDON2
APC 2 beam laser ON terminal ( H : ON)
71 EQI2 RF equalizer setting terminal
72 LDON1
APC 1 beam laser ON terminal ( H : ON)
73 EQO2
RF equalizer setting terminal
74 GND
GND (RF system)
RF equalizer setting terminal
75 EQL1
76 RFSCT
RF input switching ( H : RF differential input, PP error)
77 EQO1 RF equalizer setting terminal
78 CAO
customize amp. output
79 PREF
Base voltage output ( pick use)
80 CAN customize amp. input
Function