— 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
1110987654321 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 QUADAM
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-OUTRF VCC
DET OUT
MPX IN
1
2
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
RI
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
3
4
5
6
7
8
9
10
11
12
PRE NF1
PRE OUT2
PRE NF2
PRE FWD IN2
PRE REV IN2
PRE REV IN1
PRE FWD IN1
S/S
PRE GND
PRE OUT1
BIAS
R.F
REF
SYS
CONT
DET
VREF
SPEED
LOW
BOOST
PRE DRIVER
OPERATION LOGIC
OSC
PLUSE DET
REF
VOLTAGE
REF VOLTAGE
FOR SPEED CONTROL
CURRENT
DET
OPERATION
DET
FWD/
REV
FREQ
CARC.
+
–
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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