— 10 —
SECTION 6
DIAGRAMS
6-1. IC BLOCK DIAGRAMS
IC1
TA2111F-(EL)
IC301 LB8115W-NA-TLM
24
23
22
21
20
19
18
17
16
15
14
11
10
9
8
7
6
5
4
3
2
1
12
13
AM
MIX
FM
MIX
AM
OSC
FM
OSC
AF
BUFF
AM
DET
FM
IF
AM
IF
LEVEL
DET
FM
DET
TUN
LED
ST
LED
AGC
FM
RF
FM RF IN
RF GND
MIX OUT
AGC
VCC
GND
TUN LED
ST LED
QUAD
AM
LOW CUT
AM
IF IN
FM
IF IN
FM
MUTE
ST/MO
FM/AM
AF
VCO
DECODE
DIVIDE
AM RF IN
FM RF OUT
FM OSC
AM OSC
AFC
LPF2
LPF1
L-OUT
R-OUT
RF VCC
DET OUT
MPX IN
1
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15 16 17
18 19
20 21 22
23 24
48 47 46 45 44 43
42
41
40
39
38
37
COM
VREF
POWER OUTC
POWER OUT2
VCC
POWER MUTE
POWER IN1
POWER IN2
MIX OUT1
MIX OUT2
LP.2
R. P2
R.P1
DET OUT
MVREF
IN
+
VSP
LOW BOOST IN2
LOW BOOST IN1
LOW BOOST SW
M-GND
R.VREF
PRE MUTE SW
(FWD/REW)
POWER OUT1
POWER GND
MVCC
DR
WOUT
MP-GND
VOUT
UOUT
FC
OUT
OSC
UB
VB
WB
12
PRE REV IN2
R.F
REF
SYS
CONT
DET
VREF
SPEED
LOW
BOOST
PRE DRIVER
OPERATION LOGIC
OSC
PLUSE DET
REF
VOLTAGE
REF VOLTAGE
FOR SPEED CONTROL
OPERATION
DET
FWD/
REV
FREQ
CARC.
+
–
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