DOWNLOAD Panasonic KX-TG6551CAM / KX-TGA650RUM / KX-TGA651RUM Service Manual ↓ Size: 3.22 MB | Pages: 94 in PDF or view online for FREE

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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 or scrap P. C. Board.

0.3 mm X 100 g

0.6 mm X 100 g

1.0 mm X 100 g

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• Design and specifications are subject to change without notice.

• Operation range: Up to 300 m outdoors, Up to 50 m indoors, depending on the condition.
• Analog telephone connection: Telephone Line

DECT (Digital Enhanced Cordless 
Telecommunications),
GAP (Generic Access Profile)
   Number of channels:
120 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. 10 m W (average power per channel) 

   Power source (AC Adaptor):
220–240 V AC, 50/60 Hz

   Power consumption

Base unit: PQLV219CEW

Charger: PQLV219CEW

Standby: Approx. 0.6 W
Maximum: Approx. 4.0 W
Charger:
Standby: Approx. 0.2 W
Maximum: Approx. 3.0 W

   Operating conditions:
0

°C–40 °C, 20 %–80 % relative air humidity (dry) 

   Dimensions:
Base unit: Approx. 149 mm x 128 mm x 64 mm
Handset: Approx. 48 mm x 32 mm x 160 mm
Charger: Approx. 72 mm x 85 mm x 52 mm
   Mass (weight):
Base unit: Approx. 260 

g

Handset: Approx. 130 

g

Charger: Approx. 60 

g

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   Voice coding:
ADPCM 32 kbit/s

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D101

CHARGE_CONTAC

T

+

-

SP

SW1

X501

13.824 MHz

MIC

+-

ANT

2

ANT

1

TEL JACK

L1T

L1R

DCP

DCM

DC JACK

RLY

AC detector

SIDE TONE

CIRCUIT

Q161

Q141

BELL 

DETECT

HOOK

BELL

Q111

LIN

LOUT

RF_PART

HSMIP

HSMIN

BBIC

INUSE

DETECT 2

RECEIVE

AMP

DCIN 1 and 3

VCCPA

VBAT_APU

VBAT

VCC_FE

VCC_IF

VCC_VCO

PDN DET

CHARGE_DET

3.0V

DOUBOUT

SCL, SDA

WP

EEPROM

MEMORY

R151,R152

Q171

VBAT

KEY 1

MIP

MIN

KEY C

SPOUTN

SPOUTP

3.0 V

DC/DC  

CONVERTOR

RESET IC

STM/CKM

R371

R372

Q701, Q702

CHARGE

DETECT

VCCA

VCC

KX-TG6551 BLOCK DIAGRAM (Base Unit_Main)

ANT2

ANT1

RXp

RXn

RXON

TXp

TXn

TXON

RESET

RSTN

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KX-TG6551 BLOCK DIAGRAM (Base Unit_RF Part)

DA801

ANT2

ANT1

TXON

RXON

RXp

RXn

ANT2

ANT1

TXp

TXn