JVC KV-MR9000 Manual de usuario

SERVICE MANUAL

2003/11

9-INCH WIDE COLOR MONITOR

49785200311 KV-MR9000

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14

Area Suffix

J -------------- Northern America

E ------------ Continental Europe

U --------------------- Other Areas

RM-RK500

1-2 (No.49785)

SPECIFICATION

Design and specifications are subject to change without notice.

The liquid crystal panel is built with very high precision technology and has at least 99.99% precision technology and has at least

99.99% effective image pixels. Be aware that on 0.01% of the panel there may be missing pixels or constantly lit pixels.

WIDE COLOR MONITOR

Display 9 inch Liquid crystal panel

Number of Pixel 336,960 pixels (480 vertical ×234 horizontal ×3)

Drive Method TFT (Thin Film Transistor) active matrix format

Cordless Audio Infrared audio transmitter (Support IR receiver stereo headphones)

L-channel 2.3 MHz

R-channel 2.8 MHz

Effective listening angle 30°

Effective range 4 m (13.1 ft)

Dimensions (W ×H ×D) 314mm ×38mm ×257mm (12-3/8" ×1-1/2" ×10-1/8") including Shroud

Mass 1.2 kg (2.7 lbs) including Shroud

MONITOR CONNECTION UNIT

Input Video RCApin×2 circuits 1 V(p-p), 75 ΩAudio RCA pin ×2 circuits 0.5 V(rms)

Tuner 8-pin DIN connector (only for JVC's KV-C10) Output

Display 13-pin DIN connector

Video RCA pin ×1 circuit 1 V(p-p), 75 Ω

Audio RCA pin ×1 circuit 1 0.5 V(rms)

Dimensions (W ×H ×D) 108.5mm ×28.5mm ×78mm (4-5/16" ×1-1/8" ×3-1/8") excluding projections

Mass 160 g (0.36 lbs)

GENERAL

Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance)

Grounding System Negative ground

Allowable Operating Temperature 0°C to +40°C (32°F to 104°F)

Allowable Storage Temperature -20°C to +80°C (-4°F to 176°F) Ceiling light bulb12V/3W

ACCESSORIES Metal plate ×1, Shroud ×1, Extension cord ×1, Power cord ×1, Ceiling light cord ×1, Remote

controller(with the battery) ×1, Screw(M4 ×5mm)(M4 ×1/4") ×4, Screw(M4 ×12mm)(M4 ×1/2") ×4

(No.49785)1-3

SECTION 1

PRECAUTION

1.1 Safety Precautions

!Burrs formed during molding may be left over on some parts of the chassis. Therefore,

pay attention to such burrs in the case of preforming repair of this system.

1-4 (No.49785)

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.

(No.49785)1-5

SECTION 3

DISASSEMBLY

3.1 Base cover section

3.1.1 Removing the base cover aseembly

(See Figs.1 to 2)

(1) Move the monitor unit in the direction arrow.

(2) Remove the four screws Aattaching the base cover as-

sembly.

REFERENCE:

Reassembly of the base cover aseembly

Before attaching the base cover, put the cable through the hole

aof the shroud. (See Fig.2)

Fig.1

Fig.2

Shroud

Monitor unit

Shroud

Base cover

assmbly

Hole a

1-6 (No.49785)

3.1.2 Removing the monitor unit

(See Figs.3 to 5)

• Prior to performing the following procedure, remove the base

cover aseembly.

(1) Release the four claws battaching the shaft cover.

(2) Remove the four screws Battaching the hinge on the base

cover aseembly.

(3) Remove the two screws Cattaching the connect board on

the back of the base cover aseembly.

(4) Disconnect the two connectors B1 and B2 on the connect

board.

REFERENCE:

Reassembly of the monitor unit section

Before attaching the monitor unit, put the flexible wire through

the hole cof the base cover aseembly. (See Fig.3)

3.1.3 Removing the connect board

(See Fig.5)

• Prior to performing the following procedure, remove the base

cover aseembly.

(1) Remove the two screws Cattaching the connect board on

the base cover aseembly.

(2) Disconnect the two connectors B1, B2, CON1 and CON2

on the connect board.

Fig.3

Fig.4

Fig.5

Base cover assembly

Cover shaftCover shaft

Claw b Claw b

Hole c

CON1

CON2

Connect board C

(No.49785)1-7

3.1.4 Removing the lamp control board

(See Fig.6)

• Prior to performing the following procedure, remove the base

cover aseembly.

(1) Disconnect the three connectors B3, B4 and B6 on the

lamp control board.

(2) Remove the three screws Dattaching the lamp control

board on the base cover aseembly.

Fig.6

3.1.5 Removing the lamp bulb(L) and lamp bulb(R) board

(See Figs.7 to 8)

• Prior to performing the following procedure, remove the base

cover aseembly.

(1) Remove the two screws Eand four screws Fattaching the

acryl covers(L) and (R) on the back of the base cover

aseembly.

(2) Disconnect the two connectors B3 and B4 on the lamp con-

trol board.

(3) Remove the lamp bulb board(L) and lamp bulb board(R) in

the direction arrow. Fig.7

Fig.8

B6B4 B3

Lamp control board

B4 B3

Lamp control board

Acryl cover (L)

cryl cover (R)

Lamp bulb

board (L)

Lamp bulb

board (R)

1-8 (No.49785)

3.1.6 Removing the cable assembly

(See Fig.9)

• Prior to performing the following procedure, remove the base

cover aseembly.

(1) Remove the two screws Gattaching the connect board on

the back of the base cover aseembly.

(2) Remove the screw Hand screw Jattaching the wire brack-

et and wire fixer on the base cover aseembly.

(3) Disconnect the two connectors CON1 and CON2 on the

connect board.

(4) Disconnect the connector B6 on the lamp control board.

(5) Remove the cable attaching the wire bracket and wrire fixer

on the base cover aseembly.

Fig.9

3.1.7 Removing the lamp bulb

(See Figs.10 to 11)

• Prior to performing the following procedure, remove the base

cover assembly.

(1) Release the two claws dattaching the lamp cover(L) and

lamp cover (R), remove the base cover aseembly.

(2) Remove the lamp bulb attaching the lamp holder.

Fig.10

Fig.11

Lamp control boardB6

CON1

CON2

Connect board

Code holder

Wire bracketwire fixer

HJ G

Lamp cover (L)

Shroud Shroud

Claw dClaw d

Lamp cover (R)

LampLamp

Lamp holderLamp holder

(No.49785)1-9

3.2 Shroud section

3.2.1 Removing the metal plate

(See Fig.12)

(1) Remove the four screws Kattaching the metal plate on the

shroud.

Fig.12

ShroudMetal plate

1-10 (No.49785)

3.3 Monitor unit seciton

3.3.1 Removing the bottom cover

(See Fig.13 to 16)

(1) Remove the three rubbers eattaching the top cover.

(2) Remove the three screws Lattaching the top cover on the

bottom cover.

(3) Remove the four screws Mand screw Nattaching the bot-

tom cover.

(4) Release the bottom cover in the direction arrow.

Fig.13

Fig.14

Fig.15

Fig.16

Top cove

Rubber eRubber e

Top cove

Bottom cover

Top cover

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