KENWOOD TSB2000
Manual de Servicio

TS-B2000
ADJUSTMENT
s Procedure for writing adjustment firmware (for both user and adjustment firmware)
1. Remove the lower case and set the slide switch (S1) of the TX-RX 1 unit (X57-605A) to ON (move the switch toward the front). 2. Connect the RS-232C port of the personal computer with the COM port of the main unit with a D-SUB (9-pin) straight cable (female-female). 3. Connect the external power supply (13.8V) to the main unit and turn the power supply ON. The main unit does not turn on any indicators, but it is ready to rewrite firmware. Do not operate the power switch on the main unit. 4. Write firmware using writing software. (See the help of the software for information on how to write it.) 5. After writing the firmware, turn the external power supply OFF and remove the RS-232C cable. 6. Set the slide switch (S1) of the TX-RX 1 unit (X57-605A) to OFF (move the switch toward the rear). 7. Turn the external power supply ON. 8. Press [ ] key on the transceiver or RC-2000 panel to switch the transceiver ON and confirm that the indicators on the RC-2000 appear. Then, perform all reset (Perform a reset by press [RESET] button on the TS-B2000 front panel. Or on the RC-2000 panel, press and hold [EASY] key, then switch ON the transceiver by pressing [ ] key. When �RESET FULLRESET? PUSH OK KEY� appears, press [OK] key) and confirm that the initial state is displayed. 9. After adjustment, rewrite adjustment software back to user firmware using the writing software. (See the help of the software for information on how to write it.) 10. After rewriting user software, check the checksum (Press and hold [1MHz] and [DOWN] keys, then press [ ] key on the RC-2000 panel : Menu No. 125). Then, perform all reset.

s Adjustment mode operation procedure
1. Start the adjustment mode. Press and hold [1MHz] and [DOWN] keys, then press [ ] key on the RC-2000 panel. The transceiver enters the adjustment mode. Menu number appears on the top left on the RC-2000 display.
MENU No.

2. Select adjustment mode menu No. Turn the Tuning control on the RC-2000 panel to change the menu No. 3. Change adjustment mode setting data. Setting data can be changed with [+] or [�] key on the RC2000 panel. 4. Write adjustment mode data. Press [+] or [�] key on the RC-2000 panel on menu No. 124. 5. Cancel adjustment mode. Press the [CLR] key on the RC-2000 panel to return to the normal VFO mode.

Note:
When the power is turned OFF in the middle in the adjustment mode, it is canceled.

S1 OFF CN24
ON

Notes :
1. When adjustment software is loaded and the main unit is turned ON, a beep sounds to indicate the adjustment mode. This does not indicate a failure. When any key is pressed after a frequency is displayed, the beep stops. 2. Do not return the TS-B2000 that contains adjustment firmware to the user.

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