Panasonic KX-TGE210B Manual de usuario

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of law.

ORDER NO. KM41512025SE

Telephone Equipment

Model No.

KX-TGE210B/KX-TGE212B/

KX-TGE232B/KX-TGE233B/

KX-TGE234B/KX-TGE240B/

KX-TGE242B/KX-TGE243B/

KX-TGE244B/KX-TGE245B/

KX-TGE262S/KX-TGE263S/

KX-TG454SK/KX-TGE272S/

KX-TGE273S/KX-TGE274S/

KX-TG484SK/KX-TGEA20B/

KX-TGEA20S

Digital Cordless Phone

Digital Cordless Answering System

Link-to-Cell Bluetooth Convergence

Solution

B: Black Version

S: Silver Version

T: Black Metallic Version

Supplement

Please use this manual with the original service manual mentioned on the page 3.

TABLE OF CONTENTS

PAGE

1 ORIGINAL SERVICE MANUAL INFORMATION ----------3

2 REPLACEMENT PARTS LIST ---------------------------------3

2.1. REFERENCE CHART ------------------------------------3

2.2. ORIGINAL AND NEW PARTS COMPARISON

LISTS----------------------------------------------------------4

3 CHANGES (Suffix Code: D or later) -------------------------5

3.1. Technical Descriptions ------------------------------------5

3.1.1. Block Diagram (Handset)----------------------------5

3.1.2. Circuit Operation (Handset)-------------------------6

3.2. Test Mode ----------------------------------------------------7

3.2.1. Handset --------------------------------------------------7

3.3. Troubleshooting Guide------------------------------------8

3.3.1. Check Power -------------------------------------------8

3.3.2. Check Link ----------------------------------------------9

3.3.3. Check the RF part----------------------------------- 10

3.4. Disassembly and Assembly Instructions ----------- 11

3.4.1. Handset ------------------------------------------------ 11

3.5. Measurements and Adjustments --------------------- 12

3.5.1. Adjustment Standard (Handset) ----------------- 12

3.5.2. Things to Do after Replacing X'tal--------------- 13

3.6. Miscellaneous --------------------------------------------- 14

3.6.1. Terminal Guide of the ICs, Transistors and

Diodes-------------------------------------------------- 14

3.7. Schematic Diagram-------------------------------------- 15

3.7.1. Schematic Diagram (Handset_Main)----------- 15

3.7.2. Schematic Diagram (Handset_Module) ------- 16

3.8. Printed Circuit Board ------------------------------------ 17

3.8.1. Circuit Board (Handset_Main)-------------------- 17

3.8.2. Circuit Board (Handset_Module) ---------------- 19

3.9. Replacement Parts List--------------------------------- 20

3.9.1. Handset ------------------------------------------------ 20

1 ORIGINAL SERVICE MANUAL INFORMATION

2 REPLACEMENT PARTS LIST

2.1. REFERENCE CHART

Model No. on S/M Destinations Order No. of S/M Suffix Code

Base Unit Handset

KX-TGE210B/KX-TGE212B/KX-TGE232B/KX-TGE233B/KX-

TGE234B/KX-TGEA20B

U.S.A. KM41401789CE --- A to D

KX-TGE240B/KX-TGE242B/KX-TGE243B/KX-TGE244B/KX-

TGE245B/KX-TGE260S/KX-TGE262S/KX-TGE263S/KX-TGE264S/

KX-TG454SK/KX-TGE270S/KX-TGE272S/KX-TGE273S/KX-

TGE274S/KX-TG465SK/KX-TGEA20B/KX-TGEA20S

U.S.A. KM41401783CE ---

TGE240B,

TGE242B,

TGE243B,

TGE244B,

TGE245B:

A to D

TGE262S,

TGE263S:

C to D

TGE272S,

TGE273S,

TGE274S,

TGE275S:

C to D

TGEA20B,

TGEA20S:

A to D

TG454SK:

C to D

KX-TG484SK U.S.A KM41506831SE --- C to D

Reason for Change

*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS

COMPARISON LISTS.

1. Improve performance Note:

Change parts based on Suffix Code.

Remarks:

*c: To share the parts with other models

2. Change of material or dimension

3. To meet approved specification

4. Standardization

5. Addition

6. Deletion

7. Correction

8. Other

2.2. ORIGINAL AND NEW PARTS COMPARISON LISTS

Serial No.Label tells you the suffix code as follows.

*1: Please refer to "1 ORIGINAL SERVICE MANUAL INFORMATION".

Note:

Please refer to "3.7. Schematic Diagram" (P.15), "3.8. Printed Circuit Board" (P.17) and "3.9. Replacement Parts List" (P.20)

for detail.

Suffix A B BSerial No. Label

(Example)

Ref. No. Part No. Part Name & Description Pcs/

Set

Remarks Notes Time of Change

Original (Old) New (Suffix)

Cabinet and Electrical Parts (Handset)

118 PNQT2859Z PNQT3384Z LABEL, BATTERY 1 *c 8 Y *1

Main P.C. Board Parts (Handset)

PCB100 ---------- PNWP1GEA20RY MAIN P.C.BOARD ASS'Y(RTL) 1 *c 8 Y *1

IC3 ---------- PNWITGEA20RY IC(EEPROM) 1 *c 8 Y *1

3 CHANGES (Suffix Code: D or later)

3.1. Technical Descriptions

3.1.1. Block Diagram (Handset)

[Changed from original section “4.7. Block Diagram (Handset)”]

QSPI

FLASH MEMORY

IC4

Reset

Pin 71

SPEAKER

RECEIVER

MIC

CHARGE

CIRCUIT

Q2, Q3, Q4,

Q9, R8

CHARGE

CONTACTS

CHARGE(+)

CHARGE_CTRL

CHARGE_DET

BATTERY

TERMINAL R45

VBAT

BATT-

1.8 V

LCD

RESET

SID

SCL

CPU

Analog

Front

End

D/A

A/D

44 45

ADPCM

Codec

Filter

DSP

Speech

Decoding

Speech

Encoding

BMC

Burst

Decoding

ANT1

Burst

Encoding

PLL

MOD/DEMOD

RXn ANT1

RXp

TXp

TXn

XTAL

10.368

MHz

BATTERY

ON SWITCH

KEYPAD

Charge

Pump

ROWS

COLUMNS

CP3V

CP4V

55, 57, 58, 59, 60

11, 12, 13, 14, 62

47, 48, 51, 53 QSPI-IO 0-3

BBIC

IC1

LCD-BACK LIGHT

KEY LED 61

79 80 78

NR(Noise Reduction) LED

BELL LED x 2

TGEA20 Only

LDO_CTRL

1.8 V

CP3V

QSPI

Control

52 QSPI-SCK

49 QSPI-CS

LCD_LED0

CP4V

CP3V

1.8 V

GND

KX-TGEA20 BLOCK DIAGRAM (HANDSET)

3.1.2. Circuit Operation (Handset)

[Changed from original section “4.9. Circuit Operation (Handset)”]

3.1.2.1. Outline

Handset consists of the following ICs as shown in Block Diagram (Handset) (P.5).

• DECT BBIC (Base Band IC): IC1

- All data signals (forming/analyzing ACK or CMD signal)

- All interfaces (ex: Key, Detector Circuit, Charge, DC/DC Converter, EEPROM, LCD, RF Power Amp.)

- PLL Oscillator

- Detector

- Compress/Expander

- Reception

- Integrated 1.9 GHz PA for DECT

• QSPI FLASH MEMORY: IC4

- Main Program D/L Area

• EEPROM : IC3

Following information data is stored

-Settings

ex : ID code, user setting

3.1.2.2. Power Supply Circuit/Reset Circuit

Circuit Operation:

When power on the Handset, the voltage is as follows;

BATTERY(2.2 V ~ 2.6 V: BATT+) -> Q1 (1.8 V), IC1-44pin (CP3V)

The Reset signal generates IC1 (71 pin) and 1.8 V.

3.1.2.3. Charge Circuit

Circuit Operation:

When charging the handset on the Base Unit, the charge current is as follows;

DC+(5.5 V) -> R371 -> R372 -> D362 -> CHARGE+(Base) -> CHARGE+(Handset) -> -> Q3 -> BATTERY+... Battery...

BATTERY- -> R45 -> GND -> CHARGE-(Handset) -> CHARGE-(Base) -> GND -> DC-(GND)

In this way, the BBIC on Handset detects the fact that the battery is charged.

The charge current is controlled by switching Q9 of Handset.

Refer to Power Supply Circuit/Reset Circuit (P.6).

3.1.2.4. Battery Low/Power Down Detector

Circuit Operation:

“Battery Low” and “Power Down” are detected by BBIC which check the voltage from battery.

The detected voltage is as follows;

• Battery Low

Battery voltage: V(Batt) 2.25 V ± 50 mV

The BBIC detects this level and " " starts flashing.

• Power Down

Battery voltage: V(Batt) 2.0 V ± 50 mV

The BBIC detects this level and power down.

1.8V

Battery +

Reset

(IC1_71 pin)

3.1.2.5. Speakerphone

The hands-free loudspeaker at SP+ and SP- is used to generate the ring alarm.

3.2. Test Mode

3.2.1. Handset

[Changed from original section “8.1.2. Handset”]

Frequently Used Items (Handset)

ex.)

Note:

(*1) When you enter the address or New Data, please refer to the table below.

(*2) When adding “01” (hex) to default value, sending level increases by 0.25 dB.

ex.)

(*3) When reducing “01” (hex) from default value, receiving level increases by 0.25 dB.

ex.)

(*4) Use these items in a READ-ONLY mode to confirm the contents. Careless rewriting may cause serious damage to the

handset.

Items Address Default Data New Data Possible Adjusted

Value MAX (hex)

Possible Adjusted

Value MIN (hex)

Remarks

Sending Level 07 F5 Adjusted value Given value FF D0 (*2)

Receiving Level 07 F6 Adjusted value Given value FF D0 (*3)

Battery Low 00 09 70 - - -

(*4)

Frequency 00 07 / 00 08 70/02 - - -

ID 00 02 ~ 00 06 Given value - - -

Desired Number (hex.) Input Keys Desired Number (hex.) Input Keys

00 A[R]+0

11 B[R]+1

.. C[R]+2

.. D[R]+3

.. E[R]+4

99 F[R]+5

Item Default Data New Data

E7 EB E3

Sending level -1.5 dBm -0.5 dBm -2.5 dBm

Item Default Data New Data

E7 EB E3

Receiving level -13.0 dBm -14.0 dBm -12.0 dBm

3.3. Troubleshooting Guide

3.3.1. Check Power

3.3.1.1. Handset

[Changed from original section “10.1.1.2. Handset”]

Cross Reference:

Power Supply Circuit/Reset Circuit (P.6)

Note:

(*1) Refer to Circuit Board (Handset_Main) (P.17).

Check Power Supply Circuit/Reset Circuit.

Check BBIC (IC1).

Check F1 is not open.

Check X1.

Is the voltage of BATT+ 2.3 V more? (*1)

Check the battery and around BATT+ and

BATT- are not shorted.

Is the battery inserted BATT+ and BATT-?

Does BBIC (IC1: 7) oscillate at 10.368 MHz?

YES

Is the voltage of +1.8V about 1.8 V? (*1)

Is the voltage of CP3V about 3.0 V? (*1)

Check BBIC (IC1).

YES

Is the voltage of CP4V about 4.0V ? (*1)

(When LED is On)

YES

3.3.2. Check Link

3.3.2.1. Handset

[Changed from original section “10.1.5.2. Handset”]

Cross Reference:

Power Supply Circuit/Reset Circuit (P.6)

Check the RF part (P.10)

Note:

(*1) Refer to Circuit Board (Handset_Main) (P.17).

(*2) Refer to Check Point (Handset) (H).

Check around Power Supply Circuit/Reset Circuit.

Check BBIC (IC1)

Does Handset make link with Base Unit?

(Correct working unit)

Check around X1 and adjust clock frequency. (*2)

Is the voltage of "1.8V" about 1.8 V? (*1)

YES

Is the voltage of CP3V about 3.0 V? (*1)

Does the RF clock (CKM) oscillate: 10.368 MHz

in Handset Test Mode?

Handset is OK. Check Base Unit.

YES

Check the RF part.

Adjust 1.8V voltage to 1.8 V.

Is the voltage of CP4V about 4.0V? (*1)

(When LED is ON)

3.3.3. Check the RF part

[Changed from original section “10.1.6. Check the RF part”]

Note:

(*1) Refer to Commands.

(*2) Adjustment Standard (Base Unit).

(*3) Adjustment Standard (Handset) (P.12)

No. Item BU (Base Unit) Check HS (Handset) Check

1 Link Confirmation Normal

HS, BU Mode [Normal Mode]

1. Register Regular HS to BU (to be

checked).

2. Press [Talk] key of the Regular HS to

establish link.

1. Register HS (to be checked) to Regular

BU.

2. Press [Talk] key of the HS to establish link.

2X'tal Frequency confirmation

HS, BU Mode: [Adjustment]

Check X'tal Frequency.

(10.368 MHz ±41Hz)

Check X'tal Frequency.

(10.368000 MHz ±100 Hz)

3 TX confirmation

HS Mode:

[HS_Burst Mode] (*1)

BS Mode:

[BS_Burst Mode] (*1)

1. Remove wire antenna 2 and connect

spectrum analyzer to TP. (*2).

2. Confirm TX power whether spec. is

satisfied.

Power >=13.5dBm

1. Connect spectrum analyzer to TP. (*3)

2. Confirm TX power whether satisfied spec.

Power >=16.0dBm

5 Range Confirmation Normal

HS, BU Mode: [Normal Mode]

1. Register Regular HS to BU (to be

checked).

2. Press [Talk] key of the Regular HS to

establish link.

3. Compare the range of the BU (being

checked) with that of the Regular BU.

1. Register HS (to be checked) to Regular

BU.

2. Press [Talk] key of the HS to establish link.

3. Compare the range of the HS (being

checked) with that of the Regular HS.

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