Internal Structure Of The Pick-Up - LG GCE 8160B Service Manual

INTERNAL STRUCTURE OF THE PICK-UP

1. KRS-302B Circuit Diagram
1
2
3
4
5
6
IC2 FPDIC
1
2
GND
3
GND
4
Vc
5
OUT
C4
R4
C1
12
Vcc GND
11
G
H
10
D
A
IC1
9
C
PDIC
B
8
E
F
7
RF
Vc
C2
10
9
GND
8
GND
7
Vcc
6
Bin
C3
R3 R2
VR1
C5
1
VOUT
PDIN
2
VREF
VCC
3
GND
VCC
IC3
4
IINR
IOUT
LD
5
IIN2
IOUT
Driver
6
IIN3
GND
7
RFREQ
GND
8
GND
RAMP
9
GND
ENABLE
10
WEN3
OSCEN
11
WEN2
VCC
12
GND
GND
C10 C9 C8
R1
24
23
LD
22
11
21
20
A C
19
18
17 R5
16
15
14 C7
13
R6
R7
R8
2 Axis Actuator
L1
C6
L2
1
FCS -
2 TRK -
3 TRK +
4
FCS +
5 GND
PDGND
6
7 F
B
8
A
9
10
H
11 PDVCC
PDVC
12
13 G
14 D
C
15
E
16
17 RF SUM
18
FPDVCC
19 FPDVC
20
FPDGND
FPDO
21
VCC
22
23
VCC
VRDC
24
25 VWDC2
26 VWDC1
27 GND
28 GND
OSCEN
29
WE2
30
31
WE1
32 ENBL
25