Panasonic KX-TCA121EXT, Service Manual

Page: 67 / 111

17 THINGS TO DO AFTER REPLACING IC
Cautions:
Since this page is common to each country, it may not apply to some models in your country. The contents below are the
minimum adjustments required for operation.
17.1. Base Unit
IC Necessary Adjustment
BBIC Programs for Voice processing, interface for RF and
EEPROM 1. Default batch file: Execute the command “default”.
2. Country version batch file: Execute the command
“TCD220XXrevYY”. (*1)
3. Clock adjustment: Refer to Check Point (F). (*2)
EEPROM Adjustment parameter data
(country version batch file, default batch file, etc.)
1. Change the address “0000” of EEPROM to “AA”.
2. Default batch file: Execute the command “default”.
3. Country version batch file: Execute the command
“TCD220XXrevYY”. (*1)
4. Clock adjustment: Refer to Check Point (F). (*2)
FLASH 1 Voice prompt data
(vary depending on country version)
No need to adjust
Note:
(*1) XX: country code, YY: revision number
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.57).
(*2) Refer to Check Point (Base Unit) (P.53)
17.2. Handset
IC Necessary Adjustment
BBIC Programs for Voice processing, interface for RF and
EEPROM 1. Default batch file: Execute the command “default”.
2. Default batch file (remaining); Execute the command
“TCA121 DEFrevYY”. (*3)
(Except for KX-TCA121/122 FX and KX-TCA121/122 RU).
3. Country version batch file: Execute the command
“TCA121XXrevYY”. (*3)
4. Clock adjustment: Refer to Check Point (J). (*4)
5. 1.8 V setting and battery low detection: Refer to Check
Point (A), (H) and (I). (*4)
EEPROM Adjustment parameter data
(country version batch file, default batch file, etc.)
1. Change the address “0015” of EEPROM to “55”.
2. Default batch file: Execute the command “default”.
3. Default batch file (remaining): Execute the command
“TCA121DEFrevYY”. (*3)
(Except for KX-TCA121/122 FX and KX-TCA121/122 RU).
4. Country version batch file: Execute the command
“TCA121XXrevYY”. (*3)
5. Clock adjustment: Refer to Check Point (J). (*4)
6. 1.8 V setting and battery low detection: Refer to Check
Point (A), (H) and (I). (*4)
Note:
(*3) XX: country code, YY: revision number
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in JIG and PC
(P.57).
(*4) Refer to Check Point (Handset) (P.60)
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KX-TCD220SLT / KX-TCA122EXT / KX-TCA121EXT