JVC AV32L5EKGY Manual de usuario

No.51779

V32L5EKG

V32L5EIG

AV32L5EKGY

AV32L5EIGY

CONTENTS

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

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

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

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

･････････････････････････････ 2

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

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

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

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

･･･････････････････････ 4

!FEATURES････････････････････････････････

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

･･･････････････････････････････････

･･････

･･･ 5

!MAIN DIFFERENCE LIST ････････････････････････････････

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

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

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

･･･････････････････････ 5

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

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

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

･･････････････････････････

･････････････ 6

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

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

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

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

･････････････････････ 12

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

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

･････････････････････････････････

･･

･31

★

OPERATING INSTRUCTIONS

★

STANDARD CIRCUIT DIAGRAM ････････････････････････････････

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

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

････････････････････････････････

････････････････ 2-1

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

No.51779

V32L5EKG

V32L5EIG

SPECIFICATIONS

CONTENTS

Item AV32L5EKGY AV32L5EIGY

Dimensions ( W×

××

×H×

××

×D ) 855mm×550mm×568mm

Mass 54.2kg

TV RF System CCIR I CCIR B/G, I, D/K, L, L’

Colour System PAL

NTSC 3.58 / 4.43 (Play back only) PAL / SECAM

NTSC 3.58 / 4.43 (Play back only)

Sound System NICAM(I) A2 (B/G, D/K), NICAM (B/G, I, D/K, L)

Teletext System Fastext(United Kingdom system)

TOP(German system) Fastext(United Kingdom system)

TOP(German system)

WST(World standard system)

Receiving Frequency

VHF 47MHz～470MHz

UHF 470MHz～862MHz 470MHz～862MHz

French CATV 116MHz～172MHz / 220MHz～469MHz

Intermediate Frequency

VIF Carrier 38.9MHz(I) 38.9MHz(B/G, D/K, I, L), 33.95MHz(L’)

SIF Carrier 33.5MHz(6.0MHz : I) 33.4MHz(5.5MHz : B/G) / 32.9MHz(6.0MHz : I)

Colour Sub Carrier

PAL 4.43MHz 4.43MHz

SECAM 4.40625MHz / 4.25MHz

NTSC 3.58MHz / 4.43MHz 3.58MHz / 4.43MHz

Power Input AC 220V～240V , 50Hz

Power Consumption 189W(Maximum), 140W(Average)

Picture Tube Visible size : 76cm, Measured diagonally

High Voltage 31.0kV (at zero beam current)

Speaker 20×4cm Oval×2

Audio Output Rated power output : 7.5W+7.5W

Input / Output terminals

EXT-1 21-pin Euro connector (SCART socket), Video, Audio L/R, RGB signal input are available

TV broadcast output (Video and Audio L/R) are available

EXT-2 21-pin Euro connector (SCART socket), S-Video, Video, Audio L/R, RGB signal input are available

AV selector (TV LINK) function is available

EXT-3 21-pin Euro connector (SCART socket), Video, Audio L/R, RGB signal input are available

EXT-4 RCA pin type, S-Video, Video, Audio L/R signal input are available

Audio output RCA pin type, Variable audio L/R and sub woofer output are available

Aerial socket 75Ωunbalanced, Coaxial

Headphone jack Stereo mini jack (φ3.5mm )

Remote Control Unit RM-C56 (AAA/R03 dry cell battery×2)

Design & specifications are subject to change without notice.

+1kV

-1.5kV

No.51779

V32L5EKG

V32L5EIG

■

■■

■21-pin Euro connector (SCART socket) : EXT-1 / EXT-2 / EXT-3

(P-P= Peak to Peak, S-W= Sync tip to white peak, B-W= Blanking to white peak)

No. Signal Designation Matching Value EXT-1 EXT-2 EXT-3

1 AUDIO R output 500mVrms(Nominal),

Low impedance ○

(TV OUT) ○

(LINE OUT) NC

2 AUDIO R input 500mVrms(Nominal),

High impedance ○○○

3 AUDIO L output 500mVrms(Nominal),

Low impedance ○

(TV OUT) ○

(LINE OUT) NC

4 AUDIO GND ○○○

5 GND (B) ○○○

6 AUDIO L input 500mVrms(Nominal),

High impedance ○○○

7Binput 700mVB-W, 75Ω○○

8FUNCTION SW

(SLOW SW) Low : 0-3V,

High : 8-12V, High impedance ○○○

9 GND (G) ○○○

10 SCL3 NC ○NC

11 G input 700mVB-W, 75Ω○○

12 SDA3 NC ○NC

13 GND (R) ○○○

14 GND (YS)○○

15 R / C input R : 700mVB-W, 75Ω

C : 300mVP-P, 75Ω

○

(only R) ○○

(only C)

16 Ys input Low : 0 - 0.4, High : 1 - 3V, 75Ω○ ○ NC

17 GND(VIDEO output) ○○○

18 GND(VIDEO input) ○○○

19 VIDEO output 1VP-P(Negative going sync), 75Ω○

(TV) ○

(LINE OUT) NC

20 VIDEO / Y input 1VP-P(Negative going sync), 75Ω○

(only VIDEO input) ○○

21 COMMON GND ○○○

[

Pin assignment]

No.51779

V32L5EKG

V32L5EIG

SAFETY PRECAUTIONS

1. The design of this product contains special hardware and many

circuits and components specially for safety purposes. For

continued protection, no changes should be made to the original

design unless authorized in writing by the manufacturer.

Replacement parts must be identical to those used in the original

circuits. Service should be performed by qualified personnel

only.

2. Alterations of the design or circuitry of the product should not be

made. Any design alterations or additions will void the

manufacturer's warranty and will further relieve the manufacturer

of responsibility for personal injury or property damage resulting

therefrom.

3. Many electrical and mechanical parts in the product have special

safety-related characteristics. These characteristics are often not

evident from visual inspection nor can the protection afforded by

them necessary be obtained by using replacement components

rated for higher voltage, wattage, etc. Replacement parts which

have these special safety characteristics are identified in the

Parts List of Service Manual. Electrical components having such

features are identified by shading on the schematics and by (!)

on the Parts List in the Service Manual. The use of a substitute

replacement which does not have the same safety

characteristics as the recommended replacement part shown in

the Parts List of Service Manual may cause shock, fire, or other

hazards.

4. The leads in the products are routed and dressed with ties,

clamps, tubing’s, barriers and the like to be separated from live

parts, high temperature parts, moving parts and / or sharp edges

for the prevention of electric shock and fire hazard. When

service is required, the original lead routing and dress should be

observed, and it should be confirmed that they have been

returned to normal, after re-assembling.

WARNING

1. The equipment has been designed and manufactured to meet international safety standards.

2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained.

3. Repairs must be made in accordance with the relevant safety standards.

4. It is essential that safety critical components are replaced by approved parts.

5. If mains voltage selector is provided, check setting for local voltage.

No.51779

V32L5EKG

V32L5EIG

FEATURES

"New chassis design enable use of an interactive on screen

control.

"The TELETEXT SYSTEM has a built-in FASTEXT (UK system),

TOP (German system) and WST (world standard system)

system.

"Pure FLAT CRT reproduce fine textured.

"Digi Pure pro : Auto digi pure with motion picture compensation.

"Because this TV unit corresponds to multiplex broadcast, users

can enjoy music programs and sporting events with live realism.

In addition, BILINGUAL programs can be heard in their original

language.

"Built-in ECO (ECONOMY, ECOLOGY) MODE.

In accordance with the brightness in a room, the brightness

and/or contrast of the picture can be adjusted automatically to

make the optimum picture which is easy on the eye.

"Users can make VCR dubbing of picture and sound by controlling

the AV selector to select an optional source at the EXT-2 output

shown in figure bellow.

MAIN DIFFERENCE LIST

Model name

Part name AV32L5EKGY AV32L5EIGY

MAIN PWB SMF-1901A-U2 SMF-1001A-U2

!RATING LABEL LC20091-024A-U LC20091-042A-U

EURO LABEL AEM1052-021-E AEM1052-020-E

!INST BOOK LCT0909-001A-U LCT0910-001A-U

REG. SHEET AEM3148-001-E ×

TV EXT-1 EXT-3

EXT-2

EXT-4

No.51779

V32L5EKG

V32L5EIG

SPECIFIC SERVICE INSTRUCTIONS

DISASSEMBLY PROCEDURE

REMOVING THE REAR COVER

1. Unplug the power cord.

2. As shown in the Fig. 1, remove the 11 screws marked A.

3. Withdraw the rear cover toward you.

REMOVING THE SIDE CONTROL JACK ASSEMBLY

"After removing the rear cover.

1. As shown in the Fig. 1, remove the screw marked B.

2. While slightly raise the side control jack assembly, remove the 2

claws under the side control jack assembly.

3. As shown in Fig 2, disconnect the connector “SR”, “SL”, “S”, “F”

and “K”.

REMOVING THE SIDE CONTROL PWB

"After removing the rear cover and side control jack assembly.

1. As shown in Fig.2, remove the 3 claws Cfrom back side of the

side control jack assembly.

2. Pull out the SIDE CONTROL PWB.

REMOVING THE CHASSIS

"After removing the rear cover.

1. Slightly raise the both sides of the chassis by hand and remove

the two claws under the both sides of the chassis from the front

cabinet.

2. Withdraw the chassis backward.

(If necessary, take off the wire clamp, connectors etc.)

REMOVING THE SPEAKER BOX

"After removing the rear cover.

1. As shown in Fig. 1, remove the 2 screws marked D.

NOTE : When removing the screws marked Dof the speaker box

assembly, remove the lower side screw first, and then

remove the upper one.

2.Remove the 2 screws Eattaching the speaker box.

3.Remove the 2 screws Fattaching the speaker.

4.Follow the same steps when removing the other hand speaker.

REMOVING THE AV TERMINAL BOARD

"After removing the rear cover.

1.As shown in Fig. 1, remove the 3 screws marked G.

2.As shown in Fig. 3, remove the 2 claws marked Hunder the

CHASSIS.

3.As shown in Fig. 3, remove the AV TERMINAL BOARD slightly in

the direction of arrow I.

CHECKING THE PW BOARD

To check the back side of the PW Board.

1) Pull out the chassis. (Refer to REMOVING THE CHASSIS).

2) Erect the chassis vertically so that you can easily check the

back side of the PW Board.

[CAUTION]

"When erecting the chassis, be careful so that there will be no

contacting with other PW Board.

"Before turning on power, make sure that the wire connector is

properly connected.

"When conducting a check with power supplied, be sure to confirm

that the CRT EARTH WIRE (BRAIDED ASS’Y) is connected to the

CRT SOCKET PW board.

WIRE CLAMPING AND CABLE TYING

1.Be sure to clamp the wire.

2.Never remove the cable tie used for tying the wires together.

Should it be inadvertently removed, be sure to tie the wires with a

new cable tie.

Fig. 3

AV SW PWB

V TERMINAL

BOARD

SIDE CONTROL

PWB

Fig. 2

Connector

(Rear view)

No.51779

V32L5EKG

V32L5EIG

FRONT CABINET

CRT

SOCKET

PWB

FRONT

CONTROL

PWB POWER &

DEF. PWB

CLAW

MAIN PWB

CONTROL

BASE

CHASSIS

REAR COVER

Fig. 1

SPEAKER

BOX

V SＷ

ＷＷ

Ｗ

PWB

SIDE

CONTROL

JACK

ASSEMBLY

SPEAKER

BOX

SPEAKER

V TERMINAL

BOARD

Fig. 2

100Hz

PWB

MICON

PWB

POWER CORD

No. 51779

V32L5EKG

V32L5EIG

REMOVING THE CRT

!Replacement of the CRT should be performed by 2 or more

persons.

"After removing the cover, chassis etc.,

1. Putting the CRT change table on soft cloth, the CRT change table

should also be covered with such soft cloth (shown in Fig.4).

2. While keeping the surface of CRT down, mount the TV set on the

CRT change table balanced will as shown in Fig.5.

3. Remove 4 screws marked by arrows with a box type screw driver

as shown in Fig.5.

"Since the cabinet will drop when screws have been removed, be

sure to support the cabinet with hands.

4. After 4 screws have been removed, put the cabinet slowly on

cloth (At this time, be carefully so as not to damage the front

surface of the cabinet) shown in Fig.6.

"The CRT should be assembled according to the opposite

sequence of its dismounting steps.

!The CRT change table should preferably be smaller that the CRT

surface, and its height be about 35cm.

!About CRT Spacer

An appropriate CRT spacer should be used in the corresponding

CRT in accordance with the type of the CRT.

When a CRT is replaced, special attention should be paid to this

matter.

COATING OF SILICON GREASE FOR ELECTRICAL

INSULATION ON THE CRT ANODE CAP SECTION.

"Subsequent to replacement of the CRT and HV transformer or

repair of the anode cap, etc. by dismounting them, be sure to

coat silicon grease for electrical insulation as shown in Fig.7.

Wipe around the anode button with clean and dry cloth. (Fig.7)

Coat silicon grease on the section around the anode button. At

this time, take care so that any silicon greases dose not stick to

the anode button. (Fig.8)

★

★★

★Silicon grease product No. KS - 650N

CRT CHANGE TABLE

CLOTH

PPROX.

35cm

Fig. 4

Fig. 7 Fig. 8

pprox.

20mm (Do not

coat grease on

this section

Silicon grease

should be coated

by 5mm or more

from the outside

diameter of

anode cap.

node button

(No sticking of

silicon grease) Coating position

of silicon grease

node cap

node button

CRT

Silicon grease

coating

Fig. 6

CRT

CABINET CRT

CHANGE TABLE

Fig. 5

No. 51779

V32L5EKG

V32L5EIG

REPLACEMENT OF MEMORY ICs

1. Memory ICs

This TV use memory ICs. In the memory ICs, there are memorized data

for correctly operating the video and deflection circuits. When replacing

memory ICs, be sure to use ICs written with the initial values of data.

2. Procedure for replacing memory ICs

PROCEDURE

(1) Power off

Switch the power off and unplug the power cord from the wall outlet.

(2) Replace ICs.

Be sure to use memory ICs written with the initial data values.

(3) Power on

Plug the power cord into the wall outlet and switch the power on.

(4) Check and set SYSTEM CONSTANT SET:

It must not adjust without signal.

1) Press the

INFORMATION key and the MUTING key of the

REMOTE CONTROL UNIT simultaneously.

2) The SERVICE MENU screen of Fig. 1 will be displayed.

3) While the SERVICE MENU is displayed, press the

INFORMATION key and MUTING key simultaneously, and the

SYSTEM CONSTANT SET screen of Fig. 2 will be displayed.

4) Check the setting values of the SYSTEM CONSTANT SET of

Table 1. If the value is different, select the setting item with the

FUNCTION UP/DOWN key, and set the correct value with the

FUNCTION -/+ key.

5) Press the

MENU(OK) key to memorize the setting value.

6) Press the

INFORMATION key twice, and return to the normal

screen.

(5) Setting of receive channels

Set the receive channel.

For setting, refer to the OPERATING INSTRUCTIONS.

(6) Setting of SERVICE MENU

Verify the setting items of the SERVICE MENU of Table 2, and reset

where necessary.

For setting, refer to the SERVICE ADJUSTMENTS.

(7) User settings

Check the user setting values of Table 3, and if setting value is

different, set the correct value.

For setting, refer to the OPERATING INSTRUCTIONS.

SERVICE MENU

1. IF 2. V/C

3. AUDIO 4. DEF

5. VSM PRESET 6. STATUS

7. PIP 8. ---

9. SHIPPING (OFF) 0. BUS FREE

1-9 : SELECT : EXITi

Fig.1

SYSTEM CONSTANT SET

+ : STORE : EXIT

1. DESTINATION **

OK i

Fig.2

2. CRT TYPE 16 : 9

3. PURITY NO

4. PICTURE TILT YES

5. DIGIPURE PRO YES

6. PIP 1 TUNER

7. PIC & TEXT YES

8. DOLBY NO

9. BBE YES

10. PROGRESSIVE YES

11. TDA9178 YES

12. TONE IC YES

13. FLAT YES

REMOTE CONTROL UNIT KEY ASSIGNMENT

INFORMATION MENU

MUTING

FUNCTION

UP/DOWN FUNCTION

- / +

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