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

5

There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper
(Sn+Ag+Cu), you can also use Tin and Copper (Sn+Cu) or Tin, Zinc, and Bismuth (Sn+Zn+Bi). Please check the manufacturer’s
specific instructions for the melting points of their products and any precautions for using their product with other materials. 
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3 mm, 0.6 mm and 1.0 mm.

When discarding P.C.Board, delete all personal information such as telephone directory and caller list of scrap P.C.Board. 

0.3 mm X 100 g

0.6 mm X 100 g

1.0 mm X 100 g

6

• Design and specifications are subject to change without notice.

Standard:
Frequency band:
Tx Frequency range:
Rx Frequency range:
Tx / Rx separation:
Number of RF channels:
Output power:
Duplex procedure:
Channel spacing:
Bit rate:
Modulation:
Connection:

Audio:

SIM card type:
Power source:

Dual-band GSM 900/1800 MHz

45 MHz
174

95 MHz
374

FDD - TDMA (Frequency Division Duplex - Time Division Multiple Access
200 kHz
270.833 kbit/s
GMSK (Gaussian filtered Minimum Shift Keying)
8 Ch/TDMA

Battery: 

Li-Ion 3.7 V/940 mAh

Antenna:

Internal

1.8 V/3 V

Half Rate, Full Rate, Enhanced Full Rate (HR/FR/EFR)
Adaptive Multi-rate - Narrow Band (AMR-NB)

900 MHz EGSM 900

1800 MHz DCS 1800

880-915 MHz

1,710 - 1,785 MHz

925 - 960 MHz

1,805 - 1,880 MHz

Class 4 (2W)

Class 1 (1W)

 

 

   

 

 

Power consumption(Charger):

Operating/Charging conditions:
Dimensions(Charger):
Dimensions(Handset):
Mass(weight)(Charger):
Mass(weight)(Handset):

220-240 V AC, 50/60 Hz
Standby: Approx. 0.2 W
Maximum: Approx. 4.0 W

0

°C–40°C, 20%–80% relative air humidity (dry) Charging: 5 ˚C – 40 ˚C 

Approx. 63 mm x 68 mm x 45 mm
Approx. 49 mm x 20 mm x 128 mm
Approx. 50 g
Approx. 130 g

7

FLASH

IC2

32M bit

26MHz 
Crystal
X1

32KHz 
Crystal 
X2

TFT-LCD
(128 x160)

POW

Jack

Litium-ion
Battery

KeyPAD

Key
LED

LCD LED

SIM Card

SRAM

IC3

1M bit

MIC

RECEIVER

SPEAKER

SPI

BACKLIGHT

KEY

SIM

16bit

16bit

VBAT

POWON  SW

PWON

Headset Jack

LED
Power IC (IC3)

W_LED_DRV

Tx Module

(PA+SW)

Rx

SAW

Matching

Matching

Antenna

Tx (900)

Tx (1800)

Rx(900)

Rx(1800)

PMB7880 (ULC2)

MIC

EPP

SP

HS_MIC

Torch
LED

Charger
Control
IC (IC2)

LDO
IC1

KeyLock  SW

KeyLock

Vibrator

LDO
IC4

VIB

Charger
Termina

AC Adapter
(PNLV226)

CHARGER

Thermistor
CF1

M0

Bell
LED

HS_SP

HS_DET
     (M2)

7   11

6

15

41

17    26

29    32

28

53

63

34

44

39,40

46,47

35,36,58,59

48,49

2    4,52

KX-TU301 BLOCK DIAGRAM (HANDSET)

8

Handset consists of the following ICs as shown in Block Diagram (Handset) (P.7).

• GSM Module : MOD1

- GSM (GSM900/DCS1800) Network interface
- GSM Audio

Half Rate, Full Rate, Enhanced Full Rate (HR/FR/EFR), 
Adaptive Multi-rate (AMR), Echo cancellation, Noise reduction

- SIM card interface

The power is supplied to the GSM module, Audio circuit, LCD, SIM card from Battery(+3.8v)as shown in Fig.101.The power
supply is as follows.
BAT+(3.8V) 

→ MOD1 → Audio circuit

BAT+(3.8V) 

→ MOD1 → LCD

BAT+(3.8V) 

→ MOD1 → SIM card

BAT+(3.8V) 

→ LED Power IC → LED

BAT+(3.8V) 

→ LDO → Vibrator

Fig.101

3.8V

VANA 2.5V

BAT+

GSM

 Audio circuit

module

BAT-

 MOD1

VIO 2.85V

   LCD

VSIM 2.85/1.80V

  SIM card

LED Power IC
IC3

LED

LDO
IC4

Vibrator

BAT

On

Off

VIO
2.85 V

Reset 
(RETn)

1

2

3

S