Internal Structure Of The Pick-Up - LG GCE-8240B Service Manual

INTERNAL STRUCTURE OF THE PICK-UP

1. KRS-310B Circuit Diagram
1
2
R11 3
R12
4
5
6
7
IC2 FPDIC
1
2
GND
3
GND
4
Vc
5
OUT
C4
VR2
R4
22
C1
14
Vcc GND
13
G
H
12
D
A
IC1
11
C
PDIC
B
10
E
F
9
RF
Vc
8
NC SW
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
R9
R10
R1
24
23
LD
22
11
21
20
A C
19
18
17
16
15
C7
14
13
R6
R7
R8
2 Axis Actuator
L1
C6
1 FCS +
2 FCS -
3 TRK +
4 TRK -
5 -
G
6
7 D
8 C
E
9
10
RF SUM
11 SW
12 PDGND
13 PDVC
F
14
B
15
A
16
17 H
18
PDVCC
FPDO
19
20
FPDVCC
21 FPDGND
FPDVC
22
23
LDVCC
24 LDVCC
25 VRDC
26 VWDC1
27 VWDC2
LDGND
28
LDGND
29
WE1
30
31 WE2
32 OSCEN
33 ENBL
34 MODAMP