ADJUSTMENT
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
58
TK-690H
(
B
)
2. Setting
• Receiver section
• Transmitter section
The indicated SSG output level are for maximum output.
Whenever there is no modulation desingnation,
standard modulation (MOD : 1kHz, DEV : 3kHz)
Connect the front panel (KCH-10 or KCH-11) to the transceiver's body.
3. PLL lock
1) CH-SIG : 3-1
DC VM
TX-RX
CV
TX-RX
A (TC302) 1.5V
±
0.1V
voltage
Power meter (A/2)
(A/2)
2) CH-SIG : 3-1
C (TC301)
PTT : ON
3) CH-SIG : 2-1
Check
8.0V or less
4) CH-SIG : 2-1
PTT : ON
4. Transmit
1) CH-SIG : 1-1
Power meter Rear
ANT
Panel
PF3 key CH-1 frequency
K :
±
50Hz
frequency
Select FREQ_XXX
f. counter
PF4 key
K2 :
±
60Hz
in tune mode
K3 :
±
70Hz
PTT : ON
5. BPF
1) CH-SIG : 2-1
Spectrum
TX-RX
CN101
TX-RX
L101
Adjust the coils in
Spectrum analyzer
analyzer
(A/2)
(A/2)
L102
the following order
Span : 50MHz
L104
: L101, L102, L104,
Scale : 5dB div
Tracking
Rear
ANT
L105
L105
Tracking generator
generator
Output : –20dBm
K
K2
K3
Adjust it so it is almost symmetrical
Adjust it so it is almost symmetrical
Adjust it so it is almost symmetrical
(
±
1MHz), and so the gain is maximum.
(
±
2MHz), and so the gain is maximum.
(
±
2MHz), and so the gain is maximum.
4
Ω
dummy load
AF VTVM
Oscilloscope
Distortion meter
SSG
ACC
(SP)
ANT
AG
AF VTVM
MIC
PTT
Power meter
Coupler
Deviation
meter
Frequency
counter
ANT
–
+
–
+
+
–
Ammeter
Power
supply
DC IN
REF 0dBm
5dB/
RBW
100kHz
VBW
100kHz
SWP
50m
s
SPAN 10MHz
CENTER 29.8MHz
ATT 10dBm
MAR
2MHz
28.8MHz
REF 0dBm
5dB/
RBW
100kHz
VBW
100kHz
SWP
50m
s
SPAN 10MHz
CENTER 35.1MHz
ATT 10dBm
MAR
4MHz
33.1MHz
REF 0dBm
5dB/
RBW
100kHz
VBW
100kHz
SWP
50m
s
SPAN 10MHz
CENTER 40.1MHz
ATT 10dBm
MAR
4MHz
38.1MHz
Содержание TK-690B
Страница 78: ...TK 690H B TK 690H B 97 WIRING ...
Страница 79: ...TK 690H B TK 690H B 100 BLOCK DIAGRAM ...