LG KB-14P2B Manual de usuario

TVCR

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : MV-995B

MODEL : KB/

KE/KL/KF-14P2B/G/P/S

MODEL :

KB/

KE/KL/KF-14P2BX/GX/PX/SX

MODEL : KB/KE/KL/KF-20/21P30X

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

SERVICE MANUAL MODEL:KE/KL/KF-14P2BX/21P30X LGElectronicsinc.

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CHASSIS : MV-995B

MODEL : KB/KE/KL/KF-14P2B/G/P/S

MODEL : KB/KE/KL/KF-14P2BX/GX/PX/SX

MODEL : KB/KE/KL/KF-20/21P30X

CONTENT

SPECIFICATION ................................................1-2

SAFETY INSTRUCTIONS ............................ 1-3

SERVICING PRECAUTIONS ....................... 1-4

DESCRIPTION OF CONTROLS .................. 1-6

SECTION 1 SUMMARY

TVCR

SERVICE MANUAL

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1-2

SPECIFICATIONS

Video

Video S

Video Re

Head Two

Tape S

Tape Fo

Timer Progr

Tape L

Input/

Audio

Audio Re

Head No

Input/

General

Power Source A

Power Consum

Channel

Tuning Syste

Antenna UH

Sound Output

Operat

Dimens

ABBREVIATIONS :

ADJ

AFC

CPT

DEF

DET

FBT

H.V

OSC

SEP Sep

SYNC

S.I.

V.I

H Ho

V V

OSD

SAP S

BPF B

ST Stereo

LPF L

DP D

PLL P

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1-3

SAFETY PRECAUTIONS

Many el

the Sc

It is

prevent X-

Do not m

General Guidance

An lsola

the s

the A

pers

It wi

ina

If a

rep

When rep

Resi

Keep

Due to

extreme c

Do not

X-RAY Radiation

Warning:

To d

If th

and

Before returning the receiver to the customer,

met

to be

Leakage Current Cold Check(Antenna Cold Check)

Wit

conne

ohm

antenn

If t

When

rea

An o

rece

Leakage Current Hot Check (See

Plug

Do not use a line Isolation Transformer during this check.

Conne

between

volt

Reverse

volt

pos

rep

Leakage Current Hot Check circuit

The

For

repl

1.5 Kohm/10W

To Instrument's

exposed

METALLIC PARTS

Good Earth Ground

such as WATER PIPE,

CONDUIT etc.

AC Volt-meter

IMPORTANT SAFETY NOTICE

0.15uF

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1-4

CAUTION: Before s

SAFETY PRECAUTIONS

NOTE:

If unforeseen circumstances create conflict between the

following servicing precautions and any of the safety

precautions on page 3 of this publication, always follow the

safety precautions. Remember: Safety First.

General Servicing Precautions

mod

or oth

Connectin

capacitor in the receiver.

CAUTION: A

pol

2. T

FET

Do not

one end

touch

tube

pers

4. D

5.Unl

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the c

com

CAUTION: Th

Unles

of c

6. D

whi

elec

8. A

recei

service manual.

CAUTION: Do not

Electrostatically Sensitive (ES) Devices

Some s

easi

typi

trans

fol

or se

ele

ground.

remov

2. A

dev

exp

4.U

generate

ele

6. D

(Mo

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CAUTION:Be

8. M

rep

of your foot

ele

General Soldering Guidelines

tem

2. U

4. T

wire

Do not

CAUTION: Work

tem

SERVICING PRECAUTIONS

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1-5

com

there onl

CAUTION: Work

or sp

IC Remove/Replacement

Some c

whi

tech

worki

sta

Removal

gently p

2. D

type

rem

Replacement

2. C

(It

"Small-Signal" Discrete Transistor

Removal/Replacement

2. B

rem

4. C

corres

cri

conta

Power Output, Transistor Device

Removal/Replacement

2.Rem

Diode Removal/Replacement

2. B

around

4.Sec

the two

and

Fuse and Conventional Resistor

Removal/Replacement

2. S

notc

CAUTION: M

to p

Circuit Board Foil Repair

The

whenever

At IC Connections

To re

fol

nec

2. c

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4. Rou

of the

At Other Connections

Use

invo

Remove

2. T

the n

the

CAUTION: Be

the

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1-6

DESCRIPTION OF CONTROLS

All the functions can be controlled with the remote control handset.

Some functions can also be adjusted with the buttons on the front

panel of the set.

Remote control handset

Before you use the remote control handset, please install the

batteries. See the next page.

1. r-I (POWER)

switches the set on from standby or off to standby.

2. NUMBER BUTTONS

switch the set on from standby or directly select a number.

3. MUTE

switches the sound on or off.

4. TIMER PROG

displays the timer programme recording menu.

5. CLEAR/RESET

resets the tape counter or clears a data in the Timer

programme menu.

(PROGRAMME UP/DOWN)

switches the set on from standby.

selects a programme or a menu item.

(VOLUME UP/DOWN)

adjusts the volume.

adjusts menu settings.

8. REW (REWIND/REVIEW)

rewinds the tape at high speed in the stop mode.

reviews fast the tape during playback.

9. PLAY

plays back the tape at normal speed.

10. PAUSE/STILL

stops the tape temporarily during recording.

displays a still picture during playback.

11. STOP

stops the tape during playback or recording.

12. SLEEP

sets the sleep timer.

13. TRK AUTO, +/-

adjust the picture automatically or manually during playback.

14. CLOCK/COUNT

displays the current time or tape counter.

15. SP/LP

selects a recording tape speed SP or LP.

16. TELETEXT BUTTONS (option)

These buttons are used for teletext.

For further details, see the ‘Teletext’ section.

VOL PR VOL

PLAY

P/STILL STOP REC/ITR

REW/ FF/

SLEEP

AUTO

CLOCK/COUNT

TRK

SYSTEM Q.VIEW

SP/LP

TEXT

MUTE TV/AV

CLEAR/RESETTIMER PROG

12 3

45 6

78 9

EJECT

(With TELETEXT)

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1-7

Battery installation

The remote control handset is powered by two AA type batteries.

To load the batteries, turn the handset over and slide open the

battery compartment. Install two batteries as indicated by the

polarity symbols( and ) marked inside the compartment.

Note : To avoid damage from possible battery leakage, remove the

batteries if you do not plan to use the remote control handset for an

extended period of time.

17. EJECT

ejects the tape.

18. TV/AV

selects a TV or AV mode.

19. MENU

selects a menu.

20. OK

accepts your selection or displays the current mode.

21. FF (FAST FORWARD/CUE)

winds the tape forward at high speed in the stop mode.

fast forward playback.

22. REC/ITR

starts a manual recording or instant timer recording.

23. SYSTEM

selects the desired VCR colour system.

24. QUICK VIEW

returns to the previously viewed programme.

VOL PR VOL

PLAY

P/STILL STOP REC/ITR

REW/ FF/

SLEEP

AUTO

CLOCK/COUNT

TRK

SYSTEM Q.VIEW

SP/LP

MUTE TV/AV

CLEAR/RESETTIMER PROG

12 3

45 6

78 9

EJECT

(Without TELETEXT)

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1-8

1. MAIN POWER (ON/OFF)

switches the set on or off.

Note : One power line lives even when the

main power is off.

2. POWER (r-I)

switches the set on from standby or off to

standby.

3. REMOTE CONTROL SENSOR

4. AUDIO/VIDEO IN SOCKETS (AV2)

Connect the audio/video out sockets of the

external VCR to these sockets.

5. REC/ITR

starts a manual recording or instant timer

recording.

6. PLAY

plays back the tape at normal speed.

7. PAUSE/STILL (option)

stops the tape temporarily during recording.

displays a still picture during playback.

8. MENU (option)

selects a menu.

9. STANDBY INDICATOR

illuminates red brightly when the set is in

standby mode.

dims red when the set is switched on.

10. TIMER REC INDICATOR

illuminates red when the timer programme is

set for recording.

11. VOLUME UP/DOWN

adjusts the volume.

adjusts menu settings.

12. PROGRAMME UP/DOWN

switches the set on from standby.

selects a programme or a menu item.

13. CASSETTE COMPARTMENT

To insert a video cassette tape here.

14. REC/ITR INDICATOR

illuminates red during recording.

15. REW (REWIND/REVIEW)

rewinds the tape at high speed in the stop

mode.

reviews fast the tape during playback.

16. FF (FAST FORWARD/CUE)

winds the tape forward at high speed in the

stop mode.

fast forward playback.

17. STOP/EJECT

stops the tape during playback or recording

or ejects the tape.

18. OK (option)

accepts your selection or displays the current

mode.

19. TAPE-IN INDICATOR (option)

illuminates green while a video cassette tape

is inserted.

20. HEADPHONE SOCKET (option)

connect the headphone plug to this socket.

Note : In some models, you might drop the set if

you move it only with the handle on the top of the

set. So you can should support the bottom of the

set at the same time.

Front panel

AV2

ON/OFF VOL

REC/ITR REW/ PLAY FF/ P/STILL STOP/EJECT MENU OK

VIDEO- IN -AUDIO

STAND-BY TAPE-IN TIMER REC

,,,,

,,,,,,,

,,,,,,,,

,,,,,,,,,,,

,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,

,,,,,,,,,,,,

,,,,,,,,,,

,,,,,,,,

,,,,,

,,,

REC/iTR REW/ PLAY FF/ P/STILL STOP/EJECT MENU OK

VOL

STAND-BY TAPE-IN TMER REC

ON/OFF

AV2

VIDEO- IN -AUDIO

20 20

13 15 16 17 1918

13 5 6 7 8 910 11 12

2 4

ON/OFF

VOL PR

STOP/EJECT REW/

PLAY FF/

REC/ITR

AV2 AUDIO

VIDEO

H/P

REC TIMER REC STAND-BY

13 15 16 10 43

111 12 17 6 5 14 920

ON/OFF VOL PR

STOP/EJECT REW/

PLAY FF/

REC/ITR

REC TIMER-REC STAND-BY

13 15 16 103

111 12 17 6 5 14 9 202

13 15 16 17 1918

13 5 6 7 8 910 11 12

2 4

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CHASSIS : MV-995B

MODEL : KB/KE/KL/KF-14P2B/G/P/S

MODEL : KB/KE/KL/KF-14P2BX/GX/PX/SX

MODEL : KB/KE/KL/KF-20/21P30X

CONTENT

EXPLODED VIEW .............................................2-2

EXPLODED VIEW PARTS LIST..................2-3

DISASSEMBLY INSTRUCTIONS

..................2-6

SECTION 2 DISASSEMBLY PART

TVCR

SERVICE MANUAL

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