JVC AV-21BD5EKI Manual de usuario

No.51742

Jul. 2000

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

AV-21BD5EKI / AV-21BD5EP / AV-21BD5EE

AV-21BD5EKIS / AV-21BD5EPS / AV-21BD5EES

CONTENTS

!SPECIFICATIONS ････････････････････････････････

････････････････････････････････････････････････････････････････

････････････････････････････････････････････････････････････

････････････････････････････････････････････････････････

････････････････････････････ 1-2

!SAFETY PRECAUTIONS ････････････････････････････････

････････････････････････････････････････････････････････････････

･･････････････････････････････････････････････････････

････････････････････････････････････････････

･･････････････････････ 1-5

!FUNCTIONS････････････････････････････････

････････････････････････････････････････････････････････････････

･････････････････････････････････

･･

･1-6

!SPECIFIC SERVICE INSTRUCTIONS ････････････････････････････････

････････････････････････････････････････････････････････････････

････････････････････････････････････････････

････････････････････････

････････････ 1-8

!SERVICE ADJUSTMENTS ････････････････････････････････

････････････････････････････････････････････････････････････････

･････････････････････････････････････････････････････

･･････････････････････････････････････････

･････････････････････ 1-9

★

STANDARD CIRCUIT DIAGRAM (APPENDIX) ････････････････････････････････

････････････････････････････････････････････････････････････････

･････････････････････････････････････

･･････････

･････ 2-1

!PARTS LIST････････････････････････････････

････････････････････････････････････････････････････････････････

････････････････････････････････ 1-15

SERVICE MANUAL

COLOUR TELEVISION

No. 51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-7

REMOTE CONTROL

TV mode

1. POWER

2. NUMBER 0-9 / NUMBER

3. P.MODE / OK

4. AV

5. UP

6. RIGHT

7. MENU

8. DOWN

9. LEFT

10. MUTING

11. RECALL

12. SLEEP

13. Not used

14. MOVE

15. SKIP

16. TV / TEXT

17. DELETE

18. MODE

19. VCR / / DVD switch

20. VCR / DVD Control buttons

TELETEXT mode

1. POWER

2. NUMBER 0-9

3. INDEX

4. Not used

5. UP

6. SUBPAGE

7. MENU

8. DOWN

9. HOLD

10. MUTING

11. REVEAL

12. SIZE

13. CANCEL

14. GREEN

15. RED

16. TV / TEXT

17. YELLOW

18. CYAN

19. VCR / / DVD switch

20. Not used

No.51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-9

SERVICE ADJUSTMENTS

BEFORE ADJUSTMENT AND MAINTENANCE

1. Don't short any two soldering points or connect any component while TV set is power on.

2. Withdraw power plug before maintenance.

3. In order to ensure safety all components replaced should be identical. (For further details, refer to the component name and component No.

in PARTS LIST.)

4. Must be warm up the set for 30 minutes or more and degauss CRT thoroughly with demagnetizer coil before adjustment.

EQUIPMENT FOR ADJUSTMENT

1. Pattern Generator

2. Digital volt meter

3. Oscilloscope

4. Demagnetizer

5. Service remote controller (For repair service)

6. Remote controller (RM-C71 or RM-C72)

ADJUSTMENTS PROCEDURES

+B VOLTAGE CHECK

1. Receive a standard colour bar signal.

2. Connect digital volt meter between + of B1 Line circuit and GND.

3. Confirm that voltage is DC 123V #2.0V.

(RM-C71)

Service Remote ControllerRemote Controller

(RM-C72)

No.51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-10

BASIC OPERATION OF SERVICE MENU

REMOTE CONTROLLER (RM-C71, RM-C72)

How to ENTER and EXIT from service mode

1. Select the CH-91.

2. Press the MENU KEY of the remote control unit and select

PICTURE from the MENU with the P.(▲)/ P.(▼) key of the

remote control unit .

3. While pressing the P. MODE/OK KEY of the remote control unit,

select "sharpness" from the MENU with the P.(▲)/ P.(▼) /

-/ + key. Then, set the set value of "sharpness" to "0" with

the -/ +KEY.

4. Press the MENU KEY of the remote control unit twice and return

to the normal screen. To enter the SERVICE MODE, change the

indication of RED, GREEN and MENU, in turn, with the key of

the remote control unit.

5. When exiting from the SERVICE MODE, turn the power switch

off.

How to set SERVICE MODE

1. Select thesetting item you want to change with the P.(▲)/ P.(▼)

key on the remote control unit. (The item you selected will be

indicated by YELLOW on the display.)

2. When changing the set values, use the -/ +KEY on the

remote control unit.

3. When the setting has been completed, turn the power switch off.

(The changed set values are stored in memory.)

SERVICE MENU screen selection

Press the P.(▲)/ P.(▼) key･･････････ select menu item.

(The letters of the selected items are displayed in yellow)

Pressthe -/ +KEY･･･････････ setting the value item.

･AGC ･VS Cor

･Black R ･V Shift

･Black G ･H Width

･WP Red ･EW Parabo

･WP Green ･Up Corner

･WP Blue ･Dw Corner

･H Parall ･EW Trapez

･H Bow ･Option

･H Shift

･V Slope

･V Amp

SERVICE

SERVICESERVICE

SERVICE

** Black R

** Black R** Black R

** Black R

screen

screenscreen

screen

SERVICE

SERVICESERVICE

SERVICE

** Black R

** Black R** Black R

** Black R

menu item

menu itemmenu item

menu item

Setting value

Settin

valueSettin

value

Setting value

No.51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-11

FUNCTION OF SERVICE REMOTE CONTROLLER

POWER : Power On/Off key

S STOP : User R/C mode change (DW→JVC→AIWA)

NORMAL : NORMALⅠ→NORMALⅡ→Favorite

H/R : Fast heat-run mode in line production

EX-FACTORY : Not use

VOL MIN : Volume minimum key

VOL MAX : Volume maximum key

PR+ : Program up key

PR- : Program down key

SVC : Service mode On/Off key

FT : AFT adjustment key

FT-L : SECAM L AFT adjustment key

OPT : AGC adjustment key

PART : Not use

COR-T : Not use

COR-B : Not use

SEARCH : Search up/down key

V : AV mode/TV mode toggle key

TXT : Teletext On/Off key

S-BRI : Sub-brightness adjustment key

SYMM : Not use

BAL / AGC : LED EAST Yes/No toggle key

BRI : Brightness Min/Max toggle key

CONT : Contrast Min/Max toggle key

COLOR : Color Min/Max toggle key

SCREEN : Horizontal 1 line display key for screen adjustment

H-WIDTH : H. width adjustment key

H-CENTER : H. center adjustment key

R DRV : R drive adjustment key for W/B high beam

G DRV : G drive adjustment key for W/B high beam

B DRV : B drive adjustment key for W/B high beam

(Do not adjust : B is the reference)

R BIAS : R bias adjustment key for W/B low beam

G BIAS : G bias adjustment key for W/B low beam

B BIAS : B bias adjustment key for W/B low beam

(Do not adjust : B is the reference)

S-CUR : Not use

V-SLOPE : Not use

V-CEN : Vertical center adjustment key

V-SIZE : Vertical size adjustment key

Service Remote Controller

No.51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-12

ADJUSTMENTS

SELECT OPTION ITEM

G2 ALIGNMENT

1 TV in AV mode without video signal ⇒Black screen.

2TV preset with WP Red, WP Green and WP Blue equal to 32.

3TV preset with Black R, Black G equal to 8.

4Set TV in NORMAL I mode.

5Adjust screen volume (on FBT) such that the highest cathode cut-off voltage measured on CRT board, is Vcut off ±5V.

WHITE BALANCE

NOTE ●When the WHITE BALANCE adjustments are carried out, it is necessary to use the service remocon.

●Confirm G2 Alignment has been adjusted.

■

■■

■Low Light

1 Press the TV / AV button on the front of the TV unit and enter the VIDEO MODE.

2Input a crosshatch pattern signal.

3Press the SVC key to display the SVC screen as shown in Fig.1.

4Press the SCREEN key to display thesingle horizontal line.

5Check the color of the single horizontal line being displayed.

6Press the SCREEN key to disappear the single horizontal line.

7Adjust the bias values of R, G and B with their respective +/- keys so that the single horizontal line on the screen becomes “white”.

8While pressing the SCREEN key, check the color of the single horizontal line on the screen.

9Repeat the steps 5～8above until the single horizontal line on the screen becomes “white”.

Option Tuner maker Cut off / video Amp.

0 DAEWOO / SAMSUNG 140V / 92V

2 SIEL 140V / 92V

Screen size Vcut-off

21”

””

”125V

No.51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-13

■

■■

■High Light

⑩Press the SCREEN key to display the single horizontal line.

⑪In the same manner as for “Low Light”, adjust R DRIVE and G DRIVE with their respective +/- keys.

⑫When the adjustment has been completed, press the SVC button to exit from the ADJ’MENT MODE.

FOCUS

1Input a crosshatch pattern signal

2Adjust the FOCUS volume (on FBT) to have the best resolution on screen.

VERTICAL GEOMETRY

Adjust the V Amp, V Shift, VSC or and V slope to compensate for vertical distortion.

HORIZONTAL PICTURE CENTERING

Adjust H Shift, to have the picture in the center of the screen.

No.51742

V-21BD5EKI AV-21BD5EP AV-21BD5EE

V-21BD5EKIS AV-21BD5EPS AV-21BD5EES

1-14

EAST / WEST CORRECTION

Adjust the H. Parall, H. Bow, H. Widdth, EW. Parabo, Up corner, Dw Corner, EW Trapez to compensate for geometrical distortion.

AV-21BD5EKI AV-21BD5EP AV-21BD5EE

AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES

No.51742

AV-21BD5EKI AV-21BD5EP AV-21BD5EE

AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES

AV-21BD5EKI / AV-21BD5EP / AV-21BD5EE

AV-21BD5EKIS / AV-21BD5EPS / AV-21BD5EES

STANDARD CIRCUIT DIAGRAM

NOTE :

1. RESISTANCE IS SHOWN IN OHM. K=1000, M=1000000

2. UN ESS OTHERWISE NOTED IN SCHEMATIC A CAPACITOR VA UES ARE EXPRESSED IN Ê

ÊÊ

ÊF

3. VO TAGES READ WITH VTVM FROM POINT INDICATED TO CHASSIS GROUND USING A CO OR BAR SIGNA

WITH A CONTRO S AT NORMA INE 230V AC VO TAGE READINGS SHOWN ARE NORMA VA UES AND MAY

VARY +20% EXCEPT H.V

4. THIS CIRCUIT DIAGRAM IS A STANDARD ONE CIRCUIT PRINTED MAY BE SUBJECT TO CHANGE FOR PRODUCT

IMPROVEMENT WITHOUT PRIOR NOTICE.

WARNING :

BEFORE SERVICING THE CHASSIS, READ X-RAY RADIATION, SAFETY PRECAUTION, AND PRODUCT

SAFETY NOTICE IN SERVICE MANUA .

PRODUCT SAFETY NOTE :

COMPONENTS MARKED WITH 



 ARE IMPORTANT FOR MAINTAINING.

THE SAFETY OF THE SET AND SHOU D BE REP ACED ON Y WITH TYPES IDENTICA TO THOSE IN THE

ORIGINA OR SPECIFIED ONE IN THE PARTS IST.

DONT DEGRADE THE SAFETY THROUGH IMPROPER SERVICING.

CAUTION TO SERVICE TECHNICIANS :

BEFORE RETURNING THE RECEIVER TO CUSTOMER, EAKAGE CURRENT OR RESISTANCE MEASUREMENTS

SHOU D BE PERFORMED TO DETERMINE THAT EXPOSED PARTS ARE PROPER Y INSU ATED FROM THE

SUPP Y CIRCUIT.

CONTENTS

n B OCK DIAGRAM 











 











 2-2

n CIRCUIT DIAGRAM 











 











 2-3

n PATTERN DIAGRAMS 









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 2-7

RESISTOR CAPACITOR COI

2-2 Jul. 2000 No.51742

B OCK DIAGRAM

BASE BAND SIGNAL

#28

#29

#49

#50

#52

#53

#36

#37 #58

SOUND PROCESSOR I601

AUDIO OUT

SCART1

AUDIO IN

SCART2

AUDIO

SCART1

I602

AUDIO

AMPLIFIER

TO SPEAKERS/

EAD P ONE

I702

MEMORY

II C BUS

VIDEO PROCESSOR

I501

#51

#52

#53

#46

#47

#48

#43 #40

#2 #3

MICRO CONTROLLER

TO CRT BOARD

VIDEO

OUT

QSS

OUT

EXIT

VIDEO IN

#38 #35 #42

#23

#24

#28

#29

VIDEO IF

IF=38.9M z(All standard except L’)

=33.9M z(L’)

SF1 SF2

AUDIO IF

#4-I501

RGB OUT

EXT RGB IN

C ROMA IN

TRAP 5.5M z

SIF(5.5M z for system B/G)

SWITC ING

CURCUIT

VIDEO IN

SCART1

SCART2

SWITC CONTROL

form #8-I501

and #-8 SCART1

AV-21BD5EKI AV-21BD5EP AV-21BD5EE

AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES

AV-21BD5EKI AV-21BD5EP AV-21BD5EE

AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES

No.51742 No.51742

2-3 2-4

CIRCUIT DIAGRAM

Otros manuales para AV-21BD5EKI

Este manual sirve para los siguientes modelos

Tabla de contenidos

Otros manuales de TELEVISOR de JVC

JVC

JVC AV-321802 Manual de usuario

JVC

JVC AV-2134EE Manual de usuario

JVC

JVC HV-28P40BU Manual de usuario

JVC

JVC AV-28H5BL Guía de inicio rápido

JVC

JVC AV-29TS4EE Manual de usuario

JVC

JVC I'Art Palette PD-42V475 Manual de usuario

JVC

JVC AV-28KT1BUFA Manual de usuario

JVC

JVC AV-29VT11/P Manual de usuario

JVC

JVC AV-21KT1BEF Manual de usuario

JVC

JVC 0307-TKH-VT-VT Manual de usuario

JVC

JVC AV-29ED5BN, AV-29ED5SN Manual de usuario

JVC

JVC AV29BA16, AV29MT16, AV29ST16, AV29VT16, AV21BA16, AV21MT16, AV21VT16, AV29BA16, AV29MT16, AV29ST16, AV29VT16, AV21BA16,... Manual de usuario

JVC

JVC AV-27320 Manual de usuario

JVC

JVC I'Art AV-27MF36 Guía de instalación

JVC

JVC I' Art AV-27F802 Manual de usuario

JVC

JVC AV-36P902 Manual de usuario

JVC

JVC AV-20NX3 Manual de usuario

JVC

JVC HV-53PRO/K Manual de usuario

JVC

JVC LT-32EX177 Manual de usuario

JVC

JVC AV-21Q118B Manual de usuario

JVC

JVC AV-14A3, AV-14F3, AV-1435, AV- Manual de usuario

JVC

JVC AV-21MT36 Manual de usuario

JVC

JVC AV-32Z25EUY Manual de usuario

JVC

JVC AV-20N33 Manual de usuario

Manuales populares de TELEVISOR de otras marcas

Philips

Philips Colour Television Manual de usuario

Toshiba

Toshiba 27A10 Manual de usuario

Philips

Philips 42PF9630A/37 Manual de usuario

Hitachi

Hitachi 32FX48B Manual de usuario

DAEWOO ELECTRONICS

DAEWOO ELECTRONICS DTQ-14V1FC Manual de usuario

Changhong Electric

Changhong Electric uhd55b6000is Manual de usuario

Philips

Philips Matchline 21CE7551 Manual de usuario

Panasonic

Panasonic Genus TX-G10 Manual de usuario

Toshiba

Toshiba 19A20 Manual de usuario

Philips

Philips 25PT4523-16 Manual de usuario

Sony

Sony XBR-100Z9D Manual de usuario

Philips

Philips PR0930X3 Manual de usuario

Philips

Philips Brilliance 231P4QPY Manual de usuario

Samsung

Samsung 55S9 B Series Manual de usuario

Philips

Philips 32HF9385D Guía de solución de problemas

Sharp

Sharp LC-40FI5012E Manual de usuario

Loewe

Loewe Table Stand Reference 55 Manual de usuario

Philips

Philips 32PFH5300 Manual de usuario