Alinco DJ-G5, Руководство по обслуживанию

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SEMICONDUCTOR DATA
1) AK2341 (XA0239)
CTCSS Encoder/Decoder
Pin
No.
Pin
Name
I/O Function
1 RXIN I RX Signal Input
2 RXINO
o
AMP2 Output
3 TXINO
o
AMP1 Output
4 TXIN I TX Audio Input
5
RXOUT
o
RX Audio Output
6
TXOUT 0 TX Audio Output
7 VDD
-
Power Supply (1.8 - 5.5V)
8 XIN I Crystal Terminal (3.6864MHz)
9
XOUT
o
Crystal Terminal (3.6864MHz)
10 STB I Strobe for Serial Data
11 SDATA I Serial Data
12
SCLK I Serial Clock
13 DCS I DCS Input
14 DETOUT
o
Tone Detection Output (Detect: Low)
15 VSS
-
Ground
16 DREF I Tone Detection Level Adjust Input
17 TLINP I RX Tone Signal Reference Input
18 TLINN
1
RX Tone Signal Input
19 TLINO
o
AMP3 Output
20 RXTONE
o
RX Tone Signal Output
21 TXTONE
o
TX Tone Signal Output
22
AGNDIN
1
Analog Ground Input
23
AGND
o
Analog Ground Output
24 BIAS
1
Bias Input
R X IN
R X IN O
T X IN O
T X IN
R X O U T
T X O U T
V D D
X IN
X O U T
STB
SD A T A
SC LK
n z
1
24
z z j
n z
2
23
n z
3
22 = i
n z
4
21
ZZ3
i =
5
>
20
z n
n z
6
IO
19 ZZ2
n z
7
CO
-p*
18 = i
n z
8
17 ZZ2
i =
9 16
=1
n z
10
15 = 1
n z
11
14 = 1
n z
12
13
=1
BIAS
A G N D
A G N D IN
T X T O N E
R X T O N E
T U N O
TL IN N
TL IN P
DREF
V S S
D E T O U T
D C S
Block Diagram
14