DOWNLOAD Panasonic KX-TU301RUME Service Manual ↓ Size: 1.99 MB | Pages: 46 in PDF or view online for FREE

Model
KX-TU301RUME
Pages
46
Size
1.99 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / EASY USE MOBILE PHONE
File
kx-tu301rume.pdf
Date

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.
(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.
(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.
(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.
(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%.
(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%.
(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.
(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
(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.
(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.
(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.
(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%.
(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%.
(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.
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).
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.
Remove the cabinet cover 
by pushing it upward.
Remove the solders.
Remove the special screw to remove
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.
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