Kenwood TK-2000, Service Manual

Page: 22 / 40

TK-2000
22
ADJUSTMENT
Receiver Section
Item Condition
Measurement Adjustment
Specifi cations / Remarks
Test-
equipment
Unit Terminal Unit Parts Method
1. Squelch
Level 5 Write
[Wide]*
1) BPF Adj at Center (1 point)
SSG output: -118dBm, DEV
3.0kHz
2) Adj item: Low, Center, High
(3
points)
SSG output:
–121dBm (0.2µV): K
–119dBm (0.25µV): M
SSG DEV: 3.0kHz
SSG
DVM
Oscilloscope
AF VM TX-RX ANT
SP/MIC
connector
Check 12dB SINAD or more
[Narrow]* 3) Adj item: Low, Center, High
(3
points)
SSG output:
–121dBm (0.2µV): K
–119dBm (0.25µV): M
SSG DEV: 1.5kHz
2. Sensitivity
Check
[Wide]] 1) Adj item: Center (1 point)
SSG output: –117dBm
(0.32µV)
SSG DEV: 3.0kHz
FPU Write
[Narrow] 2) Adj item: Low, High (2 points)
SSG output: –115dBm
(0.4µV)
SSG DEV: 1.5kHz
• It is not necessary to adjust the fi xed value for the BPF.
• The Squelch Level 9 setting uses the Squelch Level 5 calculated adjustment level value.
* After BPF Adj, squelch can be aligned.