Component Description; Tx-Rx Unit - HYT TM-610 Service Manual

81 P05
82 P04
83 P03
84 P02
85 P01
86 P00
87 AN7
88 AN6
89 AN5
90 AN4
91 AN3
92 AN2
93 AN1
94 AVss
95 AN0
96 VREF
97 AVCC
98 P97/Sin4
99 P96/Sout4
100 P95/Clk4

Component Description

1.

Tx-Rx Unit

Ref. No. Part Name
IC101 IC
IC501 IC
IC401 IC
IC404 IC
IC403 IC
IC803 IC
IC602 IC
IC103 IC
IC104 IC
IC102 IC
IC502 IC
IC121 IC
IC122 IC
IC125 IC
IC126 IC
IC127 IC
IC301 IC
TYPE I
NC I
P4 I
P3 I
P2 I
P1 I
Volume I
Temperature I
RSSI I
SQL I
AVss
TI I
VREF I
AVCC I
AUX3 I/O
AUX6 I/O
APCO I/O
Type
Power module
AT2408N12.5S
AK2346
TA75W558FU
TC75W51FU
XC62FP3302P
TA7805F
TA75S01F
TA75W01FU
TA31136FN
M30624FCPGP#U5C
BU4066BCFV
LC73872M
M62364FP
TDA8561Q
TC4013BF
PCF8576DH
TM-610/TM-610 Selection input,H: TM-610; L: TM-610
Left open
P4 input,ON: L (external pull-up resistor)
P3 input,ON: L (external pull-up resistor)
P2 input,ON: L (external pull-up resistor)
P1 input,ON: L (external pull-up resistor)
Not used (left open)
Volume Tuning input
DTMF soft decode preserve
DTMF soft decode preserve
Temperature data input
RSSI input
SQL analog input
GND
CTCSS/CDCSS signal input
Reference voltage input
+5V
Optional circuit board port 3
Optional circuit board port 6
Audio amplifer control port
Description
Power module
EROM
Audio processor
Dual operational amplifier
Dual operational amplifier
Positive voltage regulator
Positive voltage regulator
Single operational amplifier
Dual operational amplifier
IF detector
CPU
Quad analog switch
DTMF Rx circuit
D/A converter with buffer amplifiers
Power amplification
Dual D-type trigger
LCD driver
18
TM-610 Service Manual
(INPUT)
(OUTPUT)