Terminal Function; Display Unit - HYT TM-610 Service Manual

Enter in turn the items
" OPEN SQL9"(Level 9
on), " OPEN SQL3"(Level
19. SQL
3 on); then press [P4] to
Open
enter items " _C." , " _L" ,
" _H" , " M_C" , " N_C" , " N_L" ,
" N_H" .
Enter in turn the items
" OPEN SQL9"(Level 9
on), " OPEN SQL3"(Level
20. SQL
3 on); then press [P4] to
Close
enter items " _C." , " _L" ,
" _H" , " M_C" , " N_C" , " N_L" ,
" N_H" .
21.
Distortion
1. CH: RX Center
22.S/N
Note: The radio must be covered with aluminum chassis during tuning of sensitivity, transmit power, signalling waveform,
frequency deviation, carrier frequency error, Rx squelch. Connect an RF power meter to the antenna connector during
transmission. Connect a SINAD meter with 16ohm load to the external SP Jack.

Terminal Function

1. Display Unit

Pin No. Name
1 CM
2 HOOK/RxD
3 MIC
4 ME
5 PTT/TxD
6 GND
7 SB
8 MBL
1 VCC
2 BS
3 VCC
4 BS
5 NC
Radio
Communication
Test Set
SSG Output:
-114dBm (Level 9)
SSG Output:
-120dBm (Level 3)
SP Jack
Radio
Communication
Test Set
SSG Output:
-116dBm (Level 9)
SSG Output:
-122dBm (Level 3)
Radio
Communication
Test Set
SP Jack
SSG Output:
-47dBm
J301 (To MIC Jack)
Serial data input for the keypad microphone.
Hook signal input/ Serial data input.
MIC signal input.
MIC ground
PTT signal input/Serial data output.
GND
Power output after power switch (13.6V+15%).
MIC backlight control signal output. " H" : On, " L" : Off.
J302 (To Tx/Rx Unit)
+5V.
SB (Power outputs after power switch (13.6V+15%))
+5V.
SB (Power outputs after power switch (13.6V+15%))
NC
71
ANT Adjust software
settings
ANT Filter:
0.3-3.0KHz
Description
TM-610 Service Manual
No need to
tune software Press [P4]
setting at twice to
squelch Level read/write
3&9; Just press squelch level
[P4] twice to from/into CPU.
save.
No need to
tune software Press [P4]
setting at twice to
squelch Level read/write
3&9; Just press squelch level
[P4] twice to from/into CPU.
save.
DIS≤5%
Check
S/N≥45 (W)
S/N≥40 (N)