Alinco DJ-X3, Service Manual, Page: 28 / 35

28
Item Adjustment Content Specification
Reference
Frequency
Adjustment Adjust the TC1 to 391.05MHz.
Display : FrE9
Adjust Point : TC1
Check Point : TP2
391.05MHz
+
-100Hz
AF output
Adjustment AF maximum output Display : FrEq
Input the 142.6MHz of 30dBu to the test unit which
modulation is 1KHz 3.5KHz and adjust the L40 to become
maximum AF level.
Adjust Point : L40 (A side of main board) More than
20mw(8
Ω
)
Stereo
Adjustment Pilot Frequency Adjustment Display:pLt-F
Input the 90.5MHz of 30dBu (no modulation) and adjust the
VR1 to 76KHz of the Pilot Frequency. (Connect the
Ear-phone plug when adjust this item.)
Adjust Point : VR1 Check Point : TP15
76KHz
+ -1KHz
SQL
Adjustment
( BP1 ) SQL level 1 Adjustment Display : 1n1
Input the 14.3MHz of –8dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound, when press the SCAN
key.
SQL level 5 Adjustment Display : 1nF
Input the 14.3MHz of -2dBu (standard modulation), and press
the SCAN key.
Check if can hear the BEEP sound, when press the SCAN
key.
SQL
Adjustment
( BP2 ) SQL level 1 Adjustment Display : 2n1
Input the 109.15MHz of –10dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound, when press the SCAN
key.
SQL level 5 Adjustment Display : 2nF
Input the 109.15MHz of -4dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound, when press the SCAN
key.
SQL
Adjustment
( BP3 ) SQL level 1 Adjustment Display : 3n1
Input the 145.13MHz of –8dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound.
SQL level 5 Adjustment Display : 3nF
Input the 145.13MHz of –2dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound.
SQL
Adjustment
( BP4 ) SQL level 1 Adjustment Display : 4n1
Input the 290.15MHz of –8dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound.
SQL level 5 Adjustment Display : 4nF
Input the 290.15MHz of –2dBu (standard modulation), and
press the SCAN key.
Check if can hear the BEEP sound.