Panasonic KX-TU301RUME Service Manual ▷ View online
21
KX-TU301RUME
GMS testing
Items
Check
Point
Procedure
Check or
Replace Parts
(J)
Transmitted Power
of GSM900MHz
-
Remove antennas and antenna holder before starting step from 1 to 5
1. Configure the GSM tester (__+) as follows <setting>
GSM900MHz setting
TCH 45
PCL 5
DL Level -75dBm
DL Correction value 1.5dB (Typ.)
UL Correction value 1.5dB (Typ.)
Correction value changes by cable length.
Correct the value by using Regular Handset.
Transmitted Power of GSM900MHz of Regular Handset is 33 ± 2 dBm.
DL Level for RX test -102.0dBm
2. Insert Dummy SIM card to the unit.
3. Start the GSM test.(Check of Transmitted Power of GSM900MHz) Check of Trans-
mitted Power of GSM900MHz
4. Confirm that the Transmitted Power is 31dBm~35dBm.
1. Configure the GSM tester (__+) as follows <setting>
GSM900MHz setting
TCH 45
PCL 5
DL Level -75dBm
DL Correction value 1.5dB (Typ.)
UL Correction value 1.5dB (Typ.)
Correction value changes by cable length.
Correct the value by using Regular Handset.
Transmitted Power of GSM900MHz of Regular Handset is 33 ± 2 dBm.
DL Level for RX test -102.0dBm
2. Insert Dummy SIM card to the unit.
3. Start the GSM test.(Check of Transmitted Power of GSM900MHz) Check of Trans-
mitted Power of GSM900MHz
4. Confirm that the Transmitted Power is 31dBm~35dBm.
(K)
phase error (RMS)
of GSM900MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of phase error (RMS) of GSM900MHz
5. Confirm that the phase error (RMS) is <5.0 deg.
4. Start the GSM test Check of phase error (RMS) of GSM900MHz
5. Confirm that the phase error (RMS) is <5.0 deg.
(L)
phase error(PEAK)
of GSM900MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of phase error (PEAK) of GSM900MHz
5. Confirm that the phase error (PEAK) is <20.0 deg.
4. Start the GSM test Check of phase error (PEAK) of GSM900MHz
5. Confirm that the phase error (PEAK) is <20.0 deg.
(M)
RX Level
of GSM900MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of RX Level of GSM900MHz
5. Confirm that the RX Level is 31~39.
4. Start the GSM test Check of RX Level of GSM900MHz
5. Confirm that the RX Level is 31~39.
(N)
FER
of GSM900MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of FER of GSM900MHz
5. Confirm that the FER is <0.122%.
4. Start the GSM test Check of FER of GSM900MHz
5. Confirm that the FER is <0.122%.
(O)
RBER C2
of GSM900MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of RBER C2 of GSM900MHz
5. Confirm that the RBER C2 is < 2.439%.
4. Start the GSM test Check of RBER C2 of GSM900MHz
5. Confirm that the RBER C2 is < 2.439%.
(P)
RX Quality
of GSM900MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of RX Quality of GSM900MHz
5. Confirm that the RX Quality is <3.
4. Start the GSM test Check of RX Quality of GSM900MHz
5. Confirm that the RX Quality is <3.
(Q)
Transmitted Power
of GSM1800MHz
-
Remove antennas and antenna holder before starting step from 1 to 5
1. Configure the GSM tester (__+) as follows <setting>
GSM1800MHz setting
TCH 700
PCL 0
DL Level -75dBm
DL Correction value 1.5dB (Typ.)
UL Correction value 4.5dB (Typ.)
Correction value changes by cable length.
Correct the value by using Regular Handset.
Transmitted Power of GSM1800MHz of Regular Handset is 30 ± 2 dB.
DL Level for RX test -102.0dBm
2. Insert Dummy SIM card to the unit.
3. Start the GSM test Check of Transmitted Power of GSM1800MHz
4. Confirm that the Transmitted Power is 28dBm ~ 32dBm
1. Configure the GSM tester (__+) as follows <setting>
GSM1800MHz setting
TCH 700
PCL 0
DL Level -75dBm
DL Correction value 1.5dB (Typ.)
UL Correction value 4.5dB (Typ.)
Correction value changes by cable length.
Correct the value by using Regular Handset.
Transmitted Power of GSM1800MHz of Regular Handset is 30 ± 2 dB.
DL Level for RX test -102.0dBm
2. Insert Dummy SIM card to the unit.
3. Start the GSM test Check of Transmitted Power of GSM1800MHz
4. Confirm that the Transmitted Power is 28dBm ~ 32dBm
(R)
phase error(RMS)
of GSM1800MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of phase error (RMS) of GSM1800MHz
5. Confirm that the phase error (RMS) is <5.0 deg.
4. Start the GSM test Check of phase error (RMS) of GSM1800MHz
5. Confirm that the phase error (RMS) is <5.0 deg.
(S)
phase error(PEAK)
of GSM1800MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of phase error (PEAK) of GSM1800MHz
5. Confirm that the phase error (PEAK) is <20.0 deg.
4. Start the GSM test Check of phase error (PEAK) of GSM1800MHz
5. Confirm that the phase error (PEAK) is <20.0 deg.
(T)
RX Level
of GSM1800MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of RX Level of GSM1800MHz
5. Confirm that the RX Level is 31 ~ 39.
4. Start the GSM test Check of RX Level of GSM1800MHz
5. Confirm that the RX Level is 31 ~ 39.
(U)
FER
of GSM1800MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of FER of GSM1800MHz
5. Confirm that the FER is <0.122%.
4. Start the GSM test Check of FER of GSM1800MHz
5. Confirm that the FER is <0.122%.
(V)
RBER C2
of GSM1800MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of RBER C2 of GSM1800MHz
5. Confirm that the RBER C2 is < 2.439%.
4. Start the GSM test Check of RBER C2 of GSM1800MHz
5. Confirm that the RBER C2 is < 2.439%.
(W)
RX Quality
of GSM1800MHz
-
Follow steps 1 to 3 of (J) above.
4. Start the GSM test Check of RX Quality of GSM1800MHz
5. Confirm that the RX Quality is <3.
4. Start the GSM test Check of RX Quality of GSM1800MHz
5. Confirm that the RX Quality is <3.
22
KX-TU301RUME
8.2.2.
Check Point (Charger Unit)
Items
Check
Point
Procedure
Check or
Replace Parts
(A)
Charging Check
-
1. Connect Charge Contact 68
Ω/2 W resistor between charge+ and charge-.
2. Measure and confirm voltage across the resistor is 5.5 V ± 0.5 V.
23
KX-TU301RUME
9 Disassembly and Assembly Instructions
Note:
The special screws used for the handset require the Panasonic special screwdriver shown below. For the driver part number,
refer to Fixtures and Tools (P.46).
refer to Fixtures and Tools (P.46).
Tri-wing screw driver
(Top view of the special screw)
24
KX-TU301RUME
9.1.
Disassembly Instructions
9.1.1.
Handset
Remove the special screw.
Likewise, open the other
side of the cabinet.
side of the cabinet.
Remove the cabinet cover
by pushing it upward.
by pushing it upward.
Remove the solders.
Remove the special screw to remove
the main P. C. board.
the main P. C. board.
Special screw
Main P. C. board
Special screw
Cabinet cover
Cabinet body
Cabinet cover
Solders
Insert a plastic card.
(Ex. Used SIM card etc.)
between the cabinet body
and the cabinet cover, then
pull it along the gap to open
the cabinet.
(Ex. Used SIM card etc.)
between the cabinet body
and the cabinet cover, then
pull it along the gap to open
the cabinet.
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