Kenwood TS-2000, Service Manual

Page: 118 / 171

119
ADJUSTMENT
Measurement
Test-
equipment
Unit Terminal
Adjustment
Unit Parts Method
Specifications/Remarks Condition Item
TS-2000/X
1200MHz Unit Transmitter Section
1. TX IF gain 1) Display f. : 1270.00MHz Spectrum Rear ANT1.2G TX-RX3 Set the carrier level
Mode : CW analyzer panel at approx. 100mW.
Carrier : 0 Power meter
Transmit L2 Power max.
L3
L9
2. MCF 1) Disconnect the cable from CN5. Tracking CN15 L320 Adjust the coils to
(135.395MHz) Display f. : 135.395MHz generator L321 obtain the frequency
Spectrum analyzer setting L5 response as shown.
Center f. : 135.395MHz Spectrum CN14
Frequency span : 50kHz analyzer
XdB/DIV : 2dB
RBW : 1kHz
VBW : 1kHz
Transmit
Connect the cble to CN5.
• Perform the following in the adjustment mode. Item 3~6.
To terminate the adjustment menu in the middle, save your settings with Menu No. 124.
3. 1.2G 1) Menu No. : 109 Power meter Rear ANT1.2G Front [+] key Set the adjustment 10W
±
0.3W
power POC Display f. : 1270.10MHz panel panel or value within the
10W Mode : USB [–] key limit of the specified
Transmit power.
5W 2) Menu No. : 110 5W
±
0.2W
Transmit
2.5W 3) Menu No. : 111 2.5W
±
0.1W
Transmit
1W 4) Menu No. : 112 1W
±
0.1W
Transmit
4. Band TGC 1) Menu No. : 113 10W
±
0.3W
1240MHz Display f. : 1240.10MHz
Mode : USB
Transmit
1270MHz 2) Menu No. : 114
Display f. : 1270.10MHz
Transmit
1299MHz 3) Menu No. : 115
Display f. : 1299.9MHz
Transmit
5. 1.2G 1) Menu No. : 116 2.5W
±
0.1W
power PGC Display f. : 1270.10MHz
2.5W Mode : USB
Transmit
1W 2) Menu No. : 117 1W
±
0.1W
Transmit
6. 1.2G 1) Menu No. : 123 Ammeter 7A
±
0.1A
protection Display f. : 1270.10MHz If the current is less than 7A,
Mode : CW the value is calculated as a
ANT : Open maximum current –0.2A.
Transmit
• Writing data : After items 3~6 have been adjusted;
1) Menu No. 124
2) [+] or [–] key : Push once time. Display “rEAdy”
→
“good” (If “nG” is displayed, enter data again.)
3) [CLR] key : Push once time.
7.5kHz 7.5kHz
Max. 3dB Max. 3dB