DOWNLOAD Panasonic KX-TCA355RU Service Manual ↓ Size: 3.43 MB | Pages: 60 in PDF or view online for FREE

33

Push "Reference" to select the download file. (Download Filename tca355vXXX.hex) XXX=Version

34

(Keep pressing "POWER" key for while 2 seconds)

This operation will not turn the power of target to on.
If target power turns on, check following item. Then try again from step [1]-(1).
(A) Check serial PC cable connection "PC" with "TCA355".
(B) Check Configuration. (Refer to Step [1]-(2))
(C) Check PC cable attachment of target.

Communicating PC with Target.
Don't release the "POWER" key in this step. If release the "OFF" key, downloading will be failed.

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If communication check become "OK", Display will show "CRC OK".
If communication NG, click "cancel" key, then back to step [4]-(1) and try download again.

After several seconds, Display shows "Flash Program Start".
You can release the "POWER" key in this step.

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If downloading finished, display shows "Download finished successfully!".
Click "off" then disconnect the serial PC cable.

Items

Adjustment 

Point

Procedure*

Check or 

Replace Parts

(A)* 1.8V Supply Confirma-

tion

CK5

1. Confirm that the voltage between test point "CK5" and GND is 1.85V±0.02V.
2. Adjust the 1.8V voltage of CK5 executing command "bandgap XX" (XX is the

value).

IC201,
Q104,
R110

(B) 2.7V Supply Confirma-

tion

-

1. Confirm that the voltage between "CK6" and GND is 2.775V±0.15V.

IC201,
Q105,R111,
R112,R113

(C)* BBIC Confirmation

-

1. BBIC Confirmation (Execute the command "getchk").
2. Confirm the returned checksum value.

Connection of checksum value and program number is shown below.

IC201,
X100,C203

(D) Charge Control Check &

Charge Current Monitor
Confirmation

-

1. Apply 6V between JT101(+) and JT102(-) with current limit of PSU to

200mA.

2. Confirm that the charge current is ON/OFF.
3. SW to decrease current limit of PSU to 100mA.
4. Confirm that the charge current is stable.

IC201,
Q101,L101,
L102,Q102,
R101,R103,
Q103,R117,
D101,D102,
D103

(E)* Charge Detection (OFF)

Confirmation

-

1. Stop supplying 6V to JT101(+) and JT102(-).
2. Execute the command "charge".
3. Confirm that the returned value is 0x01 (hex).

IC201,
R118,C111,
L101,L102,

(F)* Battery Monitor Confir-

mation

-

1. Apply 3.8V ± 0.005V between BATT(+) and BATT(-).
2. Execute the command "Backloff", then "readbatt".
3. Confirm:

29   returned value   36 (Hex)

4. Adjust the Battery Monitor executing command "wreeprom 00 01 01 XX",

then "wreeprom 00 36 01 XX-0E" (XX is the value).

IC201,
R216,R217,
C230

(G) Battery low Confirmation

-

1. Apply 3.5V between BATT(+) and BATT(-).
2. Confirm that there is no flashing of Battery Icon.
3. Apply 3.3V between BATT(+) and BATT(-).
4. Confirm that there is flashing of Battery.

IC201,
R216,R217,
C230

(H)* BBIC Clock Adjusment

SYRI

1. Execute the command "conttx".
2. Adjust the frequency of SYRI executing the command "setfreq xx (where xx

is the value)" so that the reading of the frequency counter is   10.368000MHz
±10Hz.

IC201,
X100,C203,
C232,L201,
C231,C610