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23
23
ZS-YN7
ZS-YN7
C78
D10
D11
C32
C4
C10
C8
R3
R2
R1
CF2
CF4
C1
C11
JC13
C12
C9
C7
TP
C13
C34
L1
C35
D
1
CT1
C33
R32
R30
C80
C31
C30
L2
R31
D
2
R24
C23
JC3
C24
C21
R11
C22
C20
JC11
JC12
D3
C49
R41
R40
C47
C43
C42
C41
L3
C37
C39
L4
C61
C62
C63
JC4
R61
R60
R59
R58
C29
C27
C26
JC1
JC34
JC33
R92
C66
C68
R94
C60
R4
JC5
L21
R13
TP
C57
R53
C55
C95
R54
C54
C59
C51
C52
R91
R51
C53
R65
R52
R50
R63
C65
C56
TP
X1
T2
T1
JC6
C15
C14
C18
C77
CT3
L11
JC24
CNP1
IC1
IC2
R10
JC2
R56
ANT1
4700p
1SS355
1SS355
0.001
0.001
1
50V
0.001
10k
470
330
47p
0.1
0
4.7
50V
10p
5p
(ANT)
0.01
0.01
0.01
K
V1471E
0.01
100k
15k
0.01
22p
0.01
3.3k
K
V
147
1E
220
1
50V
0
220p
1
50V
3.3k
0.1
0.1
0
0
KV1520NT
0.01
10k
220k
10p
22p
100p
220p
0.01
0.1
100p
100p
100p
0
2.2k
2.2k
2.2k
2.2k
100
10V
100p
100p
0
0
0
220
100p
100p
1k
0.001
10k
0
1k
(GND)
0.001
15k
100p
0.001
470
220
10V
100p
22p
10p
220
10k
0.22
10k
0
1k
10k
4.7
50V
0.001
(VT)
75KHz
FM IFT
AM IFT
0
220
10V
4700p
0
11P
TA2149BN
LC72137M-TLM
47
0
330
*
*
RADIO 6V
VT
XOUT
XIN
LP-OUT
LP-IN
PD
VSS
VDD
MO/ST
FM IN
AM IN
CE
DI
CL
DO
BAND
ST-IND
IF IN
MUTE
AM OSC
FM OSC
VCC1
OSC-OUT
IF-OUT
DET-OUT
MPX-IN
R-OUT
L-OUT
ST-IND
QUAD
GND2
IF-IN
AM
IF-IN
FM
VCC2
AGC
LPF1
/BAND
LPF2
/MO-ST
GND1
FM
RF-IN
RF-OUT
AM
RF-IN
FM
AM
LOW CUT
OUT
MIX-
BAND
FM/AM PLL
AM OSC
C14,15
0.022
0.01
FM OSC
FM
RF
ANTENNA
AM FERRITE-ROD
ANTENNA
FM
/AM
*
FM/AM RF AMP,
MIX,OSC,IF AMP,
DET,MPX
(SP,KR,AUS)
(US,CND,E,MX)
(US,CND,E,MX)
FM TELESCOPIC
(US,CND,E,MX)
(SP,KR,AUS)
(SP,KR,AUS)
TU-MUTE
TU-COUNT
TU-CLOCK
TU-DATA
TU-CE
TU-LCH
TU-RCH
GND
S GND
1
µ
H
10
µ
H
FM
FREQUENCY
COVERAGE
AM
FREQUENCY
COVERAGE
6-7. SCHEMATIC DIAGRAM – TU Board –
•
See page 32 for IC Block Diagrams.
•
See page 31 for Waveform.
(Page 26)
(Page 27)