ADJUSTMENT
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
24
TK-760HG/762HG
3) “S
.
Q
.
L
.
3
.
_
.
”
SSG
Rear
ANT
Front
CH /
Adjust to the
Adjust [***]
panel
panel
squelch threshold
SSG freq’
AF VTVM
ACC
point.
: 173.950MHz
K,M
Distortion
(EXT.SP)
: 161.950MHz
K2
meter
• Narrow
4) “SQL3***
.
”
Oscilloscope
Adjust [***]
AG
SSG freq’
: 161.050MHz
K
: 149.050MHz
K2
: 160.050MHz
M
4. Squelch 9
1) Set test mode
• Wide
Select “SQL9” in tuning mode.
“S
.
QL9”
Adjust [***]
SSG freq’
: 148.050MHz
K
: 136.050MHz
K2
: 146.050MHz
M
SSG output : –114dBm/0.44
µ
V
SSG MOD : 3kHz (Wide)
1.5kHz (Narrow)
2) “S
.
Q
.
L
.
9”
Adjust [***]
SSG freq’
: 161.050MHz
K
: 149.050MHz
K2
: 160.050MHz
M
3) “S
.
Q
.
L
.
9
.
_
.
”
Adjust [***]
SSG freq'
: 173.950MHz
K,M
: 161.950MHz
K2
• Narrow
4) “SQL9***
.
”
Adjust [***]
SSG freq’
: 161.050MHz
K
: 149.050MHz
K2
: 160.050MHz
M
5. Squelch
1) Set test mode
Check
Squelch must be opened.
check
CH : CH1 - Sig1~CH3 - Sig1
(Wide/Narrow)
SSG output : –118dBm/0.28
µ
V
2) SSG output : OFF
Squelch must be closed.
(Wide/Narrow)
6. QT check
1) Set test mode
CH : CH1 - Sig4
SSG MOD
INT : 3kHz (Wide)
1.5kHz (Narrow)
EXT : 151.4Hz
SSG system MOD DEV
:
±
3.75kHz (Wide)
:
±
1.85kHz (Narrow)
SSG output : 10dB SINAD level
2) CH : CH1 - Sig3
Check
Squelch must be opened.
CH1 - Sig5
CH1 - Sig6