HYT TM-800K, Руководство по обслуживанию

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TM-800K Service Manual
87
16. IF
bandpass filter
(UHF only)
Center Freq is
73.05MHz
Scanner
Adjust
L107,
TC101,
L151,
L108,
TC102,
and L150.
Adjust
L107.TC101.L151
(narrow); L108,
TC102, L150 (wide)
17.max SINAD
CH: RX Center, turn
to CH1(C);
corresponds to a
specific RX Freq
Radio Communication
Test Set
SSG output:
-47dBm
MOD:1KHz
DEV: ±3KHz(W)
±2.4KHz(M)
±1.5KHz(N)
FILTER: 0.3-3.0KHz
ANT
SP Jack
L135
Adjust the L135 to
maximize SINAD
The max volume :
4.8V or higher
1.CH: RX Center,
turn to CH1(C) in
manual adjust mode
2. CH: RX LO, turn to
CH2(L) in manual
adjust mode
18. Sensitivity
3.CH: RX HI, turn to
CH3(H) in manual
adjust mode
Radio Communication
Test Set
SSG output:
-0.25uV
MOD:1KHz
DEV: ±3KHz(W)
±2.4KHz(M)
±1.5KHz(N)
FILTER: 0.3-3.0KHz
ANT
SP Jack
W/N
switch
( turn on
the radio
while
holding
down
[ PF6 ] to
enter
Channel
Set
Mode )
[ UP ] / [ DOWN ] to
change channel
Check
SINAD:
12dB or higher
Radio Communication
Test Set
SSG output:
-120dBm( level 3 )
19. SQ Open
Enter adjustment
item “11”, turn to CH
(C), CH(L), CH (H),
CH(mC), CH(nC),
CH(nL), CH(nH)
SSG output
-112dBm( level 9 )
Adjust software
settings at SQL3 and
SQL9, press [ PF6 ] to
save.
Press [ PF2 ] to
adjust software
settings, open the
squelch while the
value is changeless.
Radio Communication
Test Set
SSG output:
-124dBm( level 3 )
20. SQ Close
Enter adjustment
item “12”, turn CH
(C), CH(L), CH (H),
CH(mC), CH(nC),
CH(nL), CH(nH)
SSG output:
-116dBm( level 9 )
ANT
SP Jack
Adjust
software
setting
Adjust software
settings at SQL3 and
SQL9, press [ PF6 ] to
save.
Press [ PF2 ] to
adjust software
settings, close the
squelch while the
value is changeless.