Block Diagram - Hitachi GCR-8480B User Manual

IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION
• IC102 (LA9246T) : RF Amplifier IC
I-V converts and amplifies the signal received from the pick-up and then applies to DSP part of one-
chip IC (IC501).

Block Diagram

BHC
1
PHC
2
RFAO
3
GND1
4
RFA-
5
RFIN
6
100K
FIN1
7
100K FIN2
8
E
9
56K
F
10
56K
REFI
11
VREF
12
LDD
13
LDS
14
LDON
15
GHS
16
BHH
17
EQS
18
BH
PH
EQ-CONTROL
REF
7_MODE
VCC
REF
PH
BH
PH-CONTROL
REF
REF
REF
REF
REF
REF
PH
36
BH
35
7_MODE
VCC1
34
VCC
RFSM
33
RHLD
32
GND2
31
REFL
30
FE-
29
FE
28
TE-
27
TE
26
TSS
25
TS
24
VCC2
23
+
VCC
TSH
22
FBAL
21
TBAL
20
SGC
19
5V
5V
13