Kenwood TK-2207 Service Manual page 40

TK-2207
Receiver Section
Item Condition
1.BPF Wave (1)Center frequency
Adjust Spectrum analyzer setting analyzer
Center-f : 155MHz
Span : 50MHz
RBW : 300kHz
VBW : 10kHz
ATT
(2)High-edge frequency
Spectrum analyzer setting
Center-f : 174MHz
(3)Low-edge frequency
Spectrum analyzer setting
Center-f : 136MHz
2.Sensitivity TEST CH: Low
check
[Wide]
SSG otuput:–117 dBm(0.3µV) AF VTVM
SSG MOD:3.0kHz
[Narrow] TEST CH: Center
SSG otuput:–115 dBm(0.4µV)
SSG MOD:1.5kHz
3.SQL1 TEST CH: Center
(Threshold)
writing
[Wide] SSG otuput:–123 dBm(0.16µV)
SSG MOD:3.0kHz
[Narrow] TEST CH: Center
SSG otuput:–122 dBm(0.18µV)
SSG MOD:1.5kHz
4.SQL9 TEST CH: Center
(Tight)
writing
[Wide] SSG otuput:–117 dBm(0.3µV)
SSG MOD:3.0kHz
[Narrow] TEST CH:Center
SSG otuput:–116 dBm(0.35µV)
SSG MOD:1.5kHz
5.BATT BATT terminal voltage:5.9V
Detection
Writing
40
ADJUSTMENT /
Measurement
Test equipment
Spectrum
: 5dB
SSG
Center DVM
High Oscilloscope
Low
High
Low
High
DVM
调整
Adjustment
Terminal Parts
ANT Programming
BPF Software:
KPG-87D
ANT
Programming
Software:
KPG-87D
ANT
BATT terminal
Specifications/
Remark
Method
Adjust the
Ref -23 dBm Atten 5 dB
Peak
Log
waveform as 5 1
dB/
shown to the
right.
W1 S2
S3 FC
AA
Center 155 MHz
#Res BW 300 kHz #VBW 10 kHz #Sweep100 ms (401 pts)
Ref -23 dBm Atten 5 dB
Peak
Log
5
1
dB/
W1 S2
S3 FC
AA
Center 174MHz
#Res BW 300 kHz #VBW 10 kHz #Sweep100 ms (401 pts)
Ref -20 dBm Atten 5 dB
Peak
Log
5
1
dB/
W1 S2
S3 FC
AA
Center 136 MHz
#Res BW 300 kHz #VBW 10 kHz #Sweep100 ms (401 pts)
Check 12dB SINAD or more
Write Squelch open
Write BATT terminal
voltage:5.9V
Mkrl 155.0 MHz
-33.5 dBm
Span 50 MHz
Mkrl 174.0 MHz
-34.06 dBm
Span 50 MHz
Mkrl 136.0 MHz
-31.86 dBm
Span 50 MHz