Panasonic KX-T2388 Quick start guide

Servi

ADTOLORIE™

EASA-PHONE:

Integrated

Telephone

System

with

Single

Micro

Cassette

Ne,

SPECIFICATIONS

General:

Power

Source:

Power

Output:

Speaker:

)

Microphone:

Jacks:

Dimensions:

Weight:

Telephone

Section:

Memory

Capacity:

Diat

Speed:

Redial:

Pause:

ORDER

NO.

KM49008259C1

nual

and

Technical

Guide

Telephone

Equipment

KX-T2388

Tape

Deck

Section:

AC;

adaptor

KX-A11-W

(DC

Outgoing

Message

350

(max.)

(OGM),

Unit;

(12142”)

dynamic

Handset;

(t%6”)

magnetic

(ICM):

type

receiver

unit

Condenser

microphone

Tape

Speed:

Telephone

line,

Wow

and

Fiutter:

5x819/16<32"/32”

Motor:

(with

handset)

[127

(W)x224

(D)x93

(H)

mm]

1.9

Ibs.

(0.9

kg)

without

cassette

tapes

telephone

numbers,

digits

for

each

station/3

telephone

numbers,

digits

for

each

Direct

Call

Button

Tone

(OTMF)/Pulse

(10

pps)

Last

dialed

telephone

number

every

time

redial

button

pressed

Time

delay

(3.5

seconds

per

pause)

Incoming

Message

Single

Micro

Cassette

(MC-30)

2.4cm/s

0.58%

(WRMS)

Electrical

governor

motor

Design

and

specifications

are

subject

change

without

notice.

Panasonic

Matsushita

Services

Company

Division

Matsushita

Electric

Corporation

America

Meadowland

Parkway,

Secaucus,

New

Jersey

07094

Matsushita

Electric

Canada

Limited

5770

Ambler

Drive,

Mississauga,

Ontario,

L4W

2T3

Panasonic

Sales

Company,

Division

Matsushita

Electric

Puerto

Rico,

Inc.

San

Gabriel

Industrial

Park

65th

Infantry

Ave.

Km.9.5

Carolina,

Puerto

Rico

00630

KX-T2388

When

you

mention

the

serial

number,

write

down

the

digits.

The

serial

number

may

found

the

label

affixed

the

bottom

the

unit.

TABLE

CONTENTS

Page

Connection

sic.

isiewtiactiindtiinnindaie

Circuit

Board

(for

Handset)...........0.cecceee

eee

Location

Controls

............ccccccecsseeseceeseees

Block

Diagram

.............:::ccceeeeeesereeees

Loesdbetees

acess

Disassembly

Instructions

.............c

cceeeeeee

Circuit

Operations

2...

cece

ceeeeeettees

17~31

CPU!

Data

see

csseecicerotecth

sas

cteeiece

ssscveesics

5,6

Howto

Replacement

Flat

Package

.................

Block

Diagram

...........ccccccccccceceecssseseeeseeeees

Trouble

Shooting

Guide

................c

cee

33~40

Measurement

and

Adjustment

Method

..............

Cassette

DECK

Parts

Location

......0.

Schematic

Diagram

(for

Cradle)

....................

9,10

Cabinet

and

Electrical

Parts

Location

........000......

Circuit

Board

and

Accessories

Packing

Materials

...............00.0.

Wiring

Connection

(for

Cradle)

.........

11,12

Extension

Cord

Connecting

Method

..................

Schematic

Diagram

(for

Handset)

................

13,14

Replacement

Parts

List

0.000

44~46

Terminal

Guide

IC's,

Transistors

and

Diodes

..14

Operations

...............ccccccccscsccceseececseeseceeeene

47~50

CONNECTION

Connect

shown.

Place

the

cord

into

the

holder.

adaptor

(KX-A11-W)

Power

outiet

(AC

120V,

60Hz)

telephone

line

Single-Line

Modular

jack

(RJ11C)

Fig.

KX-T2388

LOCATION

CONTROLS

Autores

CO)

ons

Poe

Panason

(im

DIALING

MODE

selector:

Used

change

the

dialing

mode

TONE

PULSE.

@®

DIRECT

CALL

buttons:

‘dialing.

Dial

key

pads:

Used

dial

program

phone

numbers.

HOOK/FLASH

button:

CPC

selector:

Selector

for

call

waiting

service.

VOLUME

control

Used

store

phone

numbers

and

make

calls

‘using

one-touch

Number

rings

(RINGS)

selector:

Used

select

the

number

rings

that

takes

for

the

unit

answer.

@®

Ringer

volume

(RINGER)

selector

POWERIIN

USE

indicator

Flash

usage...Used

access

some

the

feature

your

host

PBX

POWER

button:

pressing

itlightly.

;

Hook

usage...Used

terminate

the

telephone

line

pressing

"firmly

(for

1~2

seconds).

You

can

dial

phone

number

without

hanging

up.

REDIAL

button:

Used

redial

the

last

dialed

phone

number.

AUTO/STORE

button:

Used

store

phone

numbers.

Program

(PROG.)

button:

Used

start

and

complete

the

programming

procedures.

PAUSE

button:

Used

enter

pause

phone

numbers

when

programming

dialing.

Used

turn

and

off

the

unit.

The

POWER/IN

USE

indicator

lights

when

the

unit

turned

on.

@®

OGM

REC

button:

Used

record

the

Outgoing

Message.

OGM

PLAY

button:

Used

play

the

recorded

Outgoing

Message.

ANSWER/CALLS

indicator

Rewind

(REW)

button:

Used

rewind

the

cassette

tape.

‘MEMO/2

WAY

button:

Used

record

memo

message

telephone

conversation.

PLAYBACK/PAUSE

button:

Used

play

back

the

recorded

Incoming

Messages

and

stop

the

ICM

tape

temporarily

during

ICM

playback.

Microphone

(MIC)

KX-T2388

OOO

CI)

O2eO

O@oO

DISASSEMBLY

INSTRUCTIONS

ayy.

Fig.

\=-

Woy

‘lis!

[oKe)

. .

@eo.

©,

Fig.

Peles

568

iisse—=

Remove

the

cabinet

cover.

Remove

the

Main

Printed

Circuit

Board

OON

OMAR

KX-T2388

«<For

Cradie>

1C1:

PQVI4149HA35

Program

ROM:

Internal

RAM:

128

Kbit

Clock

Frequency:

4MHz

Power

Supply

Voltage:

5.4V

[NC

Osc2

Leey

“ietive

Auto

Active

Lae

_—on__

OFF

ORR

—"]

ieee

_——T_

Remote

ats

Nee

eee

noes

Key

Push

PON

<Ore

Rest

"Ta

__|

KX-T2388

<For

Handset>

1C1:

PQVI451N9968

Program

ROM:

byte

bit)

Internal

RAM:

768

byte

bit)

System

Clock

Frequency:

480

kHz

Power

Supply

Voltage:

2.2~6V

TONE

OUT

Hook

Input

Mute

Control

Output

Pulse

Dial

Output

Backup

Signai

Backup

Signal

Backup

Signal

Backup

Signal

Key

Tone

Output

Pull

Power

Output

GND

Terminal

DTMF

Signal

Output

OONOGA

—

Active

Key

Tone

Output

Active

System

Clock

System

Clock

System

Reset

Signal

Line

Power

Input

Key-Scan

Output

Key-Scan

Output

Key-Scan

Output

Key-Scan

Output

Power

Source

Terminal

Normal

bie

Tone/Pulse

input

Program

Key

Input

Disable

Enable

Option

Data

Input

;

Option

Data

Input

Store

LED

Output

Control

Circuit

OFF

Make

Normal

Disable

Normal

Reset

Standby

Let

C3.

PQVIBA8205

Fig.

BLOCK

DIAGRAM

1C4,5

PQVIIRSNO5

Fig.

PQVISC79100P

(for

Cradle)

PRO

BUFI

ALC

CPI

CPO

KX-T2388

MEASUREMENT

AND

ADJUSTMENT

METHOD

Notes:

Make

sure

the

heads

are

clean.

Make

sure

the

capstan

and

pressure

roller

are

clean.

Room

temperature

for

measuring

and

adjusting:

20+5°C

(68+9°F)

Test

equipments

are

not

treated

replacement

parts.

MEASUREMENT

ADJUSTMENT

REMARKS

Play

back

test

tape

(QZZMWA).

Adjust

screw

(B)

shown

fig.

for

maximum

output

terminal.

(Test

equipment

connection

shown

below.)

Head

azimuth

adjustment

“Record/playback

head

Test

tape

Playback

mode

VTVM

Oscilloscope

Fig.

Play

back

test

tape

(QZZMWA).

Adjust

VR4

for

2990+

frequency

counter

reading.

Tape

speed

adjustment

terminal

PULL

Adjustment

Connect

IC4

and

pin,

with

capacitor

(10

LF).

Connect

the

frequency

counter

and

oscilloscope.

side...1C4

Oside...1C4@

Adjust

VR2

for

fH410

the

frequency

counter

reading

(Refer

below

table).

Component

View

Adjustment

Connect

IC5@

and

pin,

with

capacitor

(10

pF).

Connect

the

frequency

counter

and

oscilloscope.

side...IC5

Adjust

VR3

for

£10

the

frequency

counter

reading

(Refer

below

table).

Label

No.

(Bottom

the

cradie)

Kx-T2as8

KX-T2

-8t

SCHEMATIC

DIAGRAM

(fr

H/S

JACK

Backup

M0.04-7

RSO-

56K

resort

S.gra

—

[S|

‘

CRADLE)

¥2

POWER

NENG

OGn

Pry

JACK

ESAT

REGULATOR.

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CUIT

BOARD

AND

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tetas

;

Lenyuerngenemnmre

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tesa

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rmmpmonmeeenermated

“ang

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sone

MoT

Sncenanennnenttg

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}

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