DOWNLOAD Panasonic KX-TGF310RUM / KX-TGF320RUM / KX-TGF320UCM / KX-TGFA30RUM Service Manual ↓ Size: 9.24 MB | Pages: 116 in PDF or view online for FREE

Model
KX-TGF310RUM KX-TGF320RUM KX-TGF320UCM KX-TGFA30RUM
Pages
116
Size
9.24 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDED/ CORDLESS PHONE
File
kx-tgf310rum-kx-tgf320rum-kx-tgf320ucm-kx-tgfa30ru.pdf
Date

Panasonic KX-TGF310RUM / KX-TGF320RUM / KX-TGF320UCM / KX-TGFA30RUM Service Manual ▷ View online

6
KX-TGF310RUM/KX-TGF320RUM/KX-TGF320UCM/KX-TGFA30RUM
2.2.1.
Suggested PbF Solder
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.
2.3.
Discarding of P. C. Board
When discarding P. C. Board, delete all personal information such as telephone directory and caller list or scrap P. C. Board.
0.3 mm X 100 g
0.6 mm X 100 g
1.0 mm X 100 g
7
KX-TGF310RUM/KX-TGF320RUM/KX-TGF320UCM/KX-TGFA30RUM
3 Specifications
Note:
(*1) for KX-TGF310
(*2) for KX-TGF320
Design and specifications are subject to change without notice.
Note for Service:
• Operation range: Up to 300 m outdoors, Up to 50 m indoors, depending on the condition.
• Analog telephone connection: Telephone Line
• Optional Headset: RP-TCA400, RP-TCA430
• Optional DECT repeater: KX-A405, KX-A406
• Optional Key detector: KX-TGA20RU
Standard:
DECT (Digital Enhanced Cordless Telecommunications), GAP (Generic Access Profile)
Number of Channels:
60 Duplex Channels
Frequency Range:
1.88 GHz to 1.90 GHz
Duplex Procedure:
TDMA (Time Division Multiple Access)
Channel Spacing:
1,728 kHz
Bit Rate:
1,152 kbit/s
Modulation:
GFSK (Gaussian Frequency Shift Keying)
RF Transmission Power:
Approx. 10mW (average power per channel)
Voice Coding:
ADPCM 32 kbit/s
Operating conditions:
0
C - 40C, 20 % - 80 % relative air humidity (dry)
Power source (AC Adaptor):
220 - 240 V AC, 50/60 Hz
Base unit: PNLV226CE0Y
Charger: PNLV233CEKY
Power consumption:
Base unit
 
(*1):
Standby: Approx. 0.5 W
Maximum: Approx. 2.8 W
Base unit
 
(*2):
Standby: Approx. 0.6 W
Maximum: Approx. 2.8 W
Charger:
Standby: Approx. 0.12 W
Maximum: Approx. 1.8 W
Dimensions:
Base unit: Approx. 222 mm x 163 mm x 103 mm
Handset: Approx. 48 mm x 30 mm x 168 mm
Charger unit: Approx. 70 mm x 70 mm x 42 mm 
Mass (Weight):
Base unit: Approx. 580 g
Handset: Approx. 140 g  
Charger: Approx. 40 g  
8
KX-TGF310RUM/KX-TGF320RUM/KX-TGF320UCM/KX-TGFA30RUM
4 Technical Descriptions
4.1.
Block Diagram (Base Unit_Main)
KX-TGF310/320 BLOCK DIAGRAM (Base Unit_Main)
IC501
BBIC
Crys
ta
l
10.
3
68M
H
z
KEY
PAD
IC
6
0
1
Flas
h
(V
oic
e
 P
rom
pt
)
SIDE T
O
NE
CIRCUIT
LS
Rp
MI
C
h
Q161
Q1
4
1
TR
 R
L
Y
P3
_
6
Q141
䠇䡚
䠉䡚
D101
T
E
L
 Ja
ck
CI
DI
Nn
CI
DI
Np
IC
5
0
2
Flas
h
(P
rogram
)
Q
SPI
AVD
/VD
D
+1.
8
V
(V
DD1)
VBAT
Q301
VBAT
(V
DD3)
DCDC
Convert
e
r
IC
3
0
2
Charge
Cont
rol
Ci
rc
ui
t
RF
 B
loc
k
RF_VDD
VDD_PA
AN
T1
AN
T2
LCD 
mo
d
u
le
STM
IC421
TIP
RING
 DC 5.5V
 GND
Battery
9
KX-TGF310RUM/KX-TGF320RUM/KX-TGF320UCM/KX-TGFA30RUM
4.2.
Circuit Operation (Base Unit)
4.2.1.
Outline
Base Unit consists of the following ICs as shown in Block Diagram (Base Unit_Main) (P.8).
• DECT BBIC (Base Band IC): IC501
- Handling all the audio, signal and data processing needed in a DECT base unit
- Controlling the DECT specific physical layer and radio section (Burst Module Controller section)
- ADPCM code filter for speech encoding and speech decoding (DSP section)
- Echo-cancellation and Echo-suppression (DSP section)
- Any tones (tone, sidetone, ringing tone, etc.) generation (DSP section)
- DTMF receiver (DSP section)
- Clock Generation for RF Module
- ADC, DAC, timer, and power control circuitry
- PLL Oscillator
- Detector 
- Compress/Expander
- First Mixer
- All interfaces (ex: QSPI FLASH MEMORY, EEPROM, LED, Analog Front End, etc.)
- Integrated 1.9GHz PA for DECT
• FLASH MEMORY: IC601
- Voice Prompt (TAM) D/L Area
- ICM/OGM Recording Area
• Additionally,
- Power Supply Circuit (+3.0 V, +1.8 V output)
- Crystal Circuit (10.368 MHz)
- Charge Circuit
- Telephone Line Interface Circuit
• QSPI FLASH MEMORY IC502
- Main Program D/L Area
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