Sanyo DC-TS765KR Service Manual page 22

IC BLOCK DIAGRAM & DESCRIPTION
IC100 LA9703WL-MPB (DVD Player Fronted Processor)
Functions
Terminal No. Symbole
Customer OP amp. + input
1 CAP
Power supply (For DPD)
2 VCC
Pickup signal input
3 PDRF
Pickup signal input
4 PD1
Pickup signal input
5 PD2
Pickup signal input
6 PD3
Pickup signal input
7 PD4
Ground (For DPD)
8 GND
Pickup signal input
9 FIN1
Pickup signal input
10 FIN2
Pickup signal input
11 PIN1
Pickup signal input
12 PIN2
Pickup signal input
13 TIN1
Pickup signal input
14 TIN2
APC 1 output
15 LDD1
APC 1 monitor input
16 LDS1
APC 2 output
17 LDD2
APC 2 monitor input
18 LDS2
Ground (Servo system)
19 GND
APC 1 threshold change
20 LDTH
APC 1 laser ON
21 LDON1
APC 2 laser ON
22 LDON2
RFAGC OFF
23 AGOF
PH discharge coeffcient change
24 BCA
RF, servo signal gain up
25 GU
RF, EQL band change
26 DVD/CD
TE output change
27 DPD/TE
WO output change
28 WO/PP
Power supply (Servo system)
29 VCC
Tracking hold (H:hold)
30 TH
Tracking bottom band change (High band)
31 XHTR
Servo gain control (RREC, FE, PP, TE)
32 SGC
CAP
1
VCC
2
PDRF
3
PD1 4
PD2 5
6
PD3
PD4
7
GND 8
9
FIN1
FIN2 10
PIN1 11
PIN2
12
TIN1 13
14
TIN2
LDD1
15
LDS1 16
64 63 62 61 60 59
VCC
AGOF
VCC
GU
AGOF
SREF
FEBL
PREF
FEBL
SGC
PREF
TEBL
APC
TEBL
LDON1
APC
LDTH LDON1 LDON2
LDON2
17 18 19 20 21 22
Terminal No Symbole
33
BST
34
FC
35
FEBL
36
TEBL
37
CP
38
RREC
39
FE
40
TE
41
WO
42
PP
43
PPN
44
WOC
45
ISET
46
BH
47
PH
48
SREFI
49
BCAI
50
PHC
51
SREF
52
LPC
53
N/C
54
RFON
55
RFOP
56
GND
57
FSET
58
PREF
59
RFN
60
N/C
61
RFP
62
CAO
63
VCC
64
CAN
58 57 56 55 54 53 52
PREF
EQ
BCA
DVD/CD FC BST
PH
BCA
PH
BCA
BH
XHTR
BPF
LPF1
GU
SGC
LPF2
LPF1
GU
SGC
LPF2
SREF
SREF DPD/TE
SREF
TH
GU
GU
SGC
SREF
AGOF BCA GU DVD/CD DPD/TE WO/PP VCC
23 24 25 26 27 28 29
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Functions
EQL boost adjusting
EQL I/O control
FE balance adjusting
TE balance adjusting
Charge pump gain setting resistor, condenser connect
Peflection output
Focus error output
Tracking error output
WO/push-pull output
Push/pull output
Push/pull gain setting resistor connect
DC cut capacity connect
BPF center frequency setting resistor connect
RF bottom detection output
RF peak detection output
SREF setting
Peak hold detection setting resistor connect (When SCA)
RF-AGC PH detection conderser connect
Servo signal voltage reference output
RE DC servo condenser connect
N/C
RF - output
RF + output
Ground (RF system)
EQL frequency setting resistor connect
Voltage refernce output (For pick)
RF signal - input
N/C
RF signal + input
Customer OP amp. output
Power supply (RF system)
Customerm OP amp. - input
51 50 49
SREF
48 SREF1
47
PH
46
BH
45
ISET
44
WOC
DOOUT
43
PPN
42
PP
XHTR
41 WO
WO/PP
SREF
40
TE
XHTR
39
FE
38 RREC
37 CP
36
TEBL TEBL
35
FEBL
FEBL
34 FC
FC
33
BST BST
TH XHTR SGC
30 31 32