Sony XTL-750W Manual de usuario

SERVICE MANUAL

AEP Model

UK Model

XTL-750W/XVM-750WEX

•This set consists of the following units.

MOBILE COLOR TV

XTL-750W

EXTENSION MONITOR SYSTEM

XVM-750WEX

XTL-750W XVM-750WEX

MONITOR XVM-753W XVM-753W

HIDEAWAY UNIT XT-993V XA-602

REMOTE COMMANDER RM-X86

ANTENNA VCA-114

– Continued on next page –

SPECIFICATIONS

Monitor (XVM-753W)

System Liquid crystal color display

Display Transparent TN LCD panel

Drive system TFT active matrix system

Picture size 7 in.; 155.52 ×87.75 mm,

178.57 mm

(w ×h, diagonally)

Picture segment336,960 (w 1440 ×h 234)

Speaker type 35 ×20 mm dynamic speaker ×2

Power requirements

12 V DC car battery

(negative ground)

Current drain Approx. 1.0 A

Dimensions 215 ×126.5 ×34 mm (w ×h ×d)

Operating temperature

5˚C ~ +45˚C

Mass Approx. 650 g

Wireless remote (RM-X86: XTL-750W)

Power requirements

AA (R6) battery × 2

Operable range Approx. 3 m

Dimensions 62 ×25 ×115 mm (w ×h ×d)

Mass Approx. 100 g

(including batteries)

MICROFILM

Monitor : XVM-753W

The XTL-750W has a monitor change to the XTL-6100MK2.

The XVM-750WEX has a monitor change to the XVM-61EX.

This service manual only describes the monitor and accessories and packing materials.

Refer to the service manual for XTL-6100MK2 (9-926-587-11) for information on the hideaway unit XT-993V.

Refer to the service manual for XVM-61EX/6100 (9-925-661-11) for information on the hideaway unit XA-602.

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TABLE OF CONTENTS

1. GENERAL

Location of Controls............................................................... 3

Getting Started........................................................................ 3

Watching a TV Programme .................................................... 3

Viewing the Wide Screen ....................................................... 4

Watching a Video.................................................................... 4

Listening to the TV/video Sound

with the Picture Off ................................................................ 4

Adjusting the Picture .............................................................. 5

Adjusting the Screen Brightness ............................................ 5

2. DISASSEMBLY

2-1. Rear Panel Assy ................................................................. 6

2-2. Main Board ........................................................................ 6

3. ELECTRICAL ADJUSTMENTS.................................. 7

4. DIAGRAMS

4-1. Block Diagram –Monitor Section– .................................... 9

4-2. Printed Wiring Boards –Monitor Section–....................... 10

4-3. Schematic Diagram –Monitor Section (1/2)– .................. 12

4-4. Schematic Diagram –Monitor Section (2/2)– .................. 13

5. EXPLODED VIEW

5-1. Monitor Section (XVM-753W) ....................................... 15

6. ELECTRICAL PARTS LIST ................................... 16

Notes on Chip Component Replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

TV aerial (VCA-114: XTL-750W)

Cord 5 m, 75 ohm

Supplied accessories

Wireless remote RM-X86 (1)

(XTL-750W)

Power input cord (1) (XTL-750W)

Monitor cable (1)

TV aerial VCA-114 (1)

(XTL-750W)

Parts for installation and

connections (1 set) (XTL-750W)

Mounting kit (1 set) (XTL-750W)

Design and specifications are subject to change

without notice.

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SECTION 1

GENERAL This section is extracted from

XTL-750W’s instruction manual.

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screws (2.6x5)

stand bracket (W)

screws (2.6x5)

CN601

CN602

CN301

connector

CN302

claw

screws (M2x6), tapping

screws (M2x6), tappin

rear panel assy

screw (M2x6), tapping

screws (M2x6), tapping

MAIN boar

CN101

Unsolder.

sheetswitch

MONITOR

SUB board

SECTION 2

DISASSEMBLY

Note : Follow the disassembly procedure in the numerical order given.

2-1. REAR PANEL ASSY

2-2. MAIN BOARD

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–

NTSC pattern

generator

MONITOR OUT

Monitor

XVM-753W

Regulated DC

power supply

ACC cord

Parking

VIDEO OUT

(75

Ω

)

Hideaway unit

XT-993V

INPUT (1)

(VIDEO)

7.5Vp-p

0.74Vp-p

white

black

Equipment Used

The measuring equipment below are used for these electrical

adjustments:

• Oscilloscope

• NTSC pattern generator

• Regulated DC power supply

• Digital voltmeter

Connection of Equipment

Unless otherwise specified, the measuring equipment should be

connected as shown below:

SECTION 3

ELECTRICAL ADJUSTMENTS

MONITOR SECTION

Setup for Adjustment

The adjustment signal is a 5-step gray scale signal from a NTSC

pattern generator.

Input the gray scale signal into the tuner unit and connect an oscil-

loscope to TP14 on the MONITOR MAIN board. Check that the

width between the black and white levels of the gray scale signal is

0.74 Vp-p.

DC/DC Converter Voltage Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect a digital voltmeter to TP57 on the MONITOR MAIN

board.

3. Adjust RV401 so that the reading on the digital voltmeter is

5.35 ± 0.05 V.

Adjustment Location: See page 8.

Inverter Voltage Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect a digital voltmeter to TP64 on the MONITOR MAIN

board.

3. Adjust RV601 so that the reading on the digital voltmeter is

7.80 ± 0.05 V.

Adjustment Location: See page 8.

Bright Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect a digital voltmeter to TP70 on the MONITOR MAIN

board.

3. Adjust RV201 so that the reading on the digital voltmeter is

2.13 ± 0.02 V.

Adjustment Location: See page 8.

VCOM Adjustment (1)

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect an oscilloscope to TP102 on the MONITOR MAIN

board.

3. Adjust RV210 so that the amplitude of the output waveform is

7.5 ± 0.1 Vp-p.

4. Adjust RV211 so that the level Aof the output waveform is at

5.5 ± 0.05V DC.

Adjustment Location: See page 8.

RGB Amplitude Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect a digital voltmeter to TP63 on the MONITOR MAIN

board.

3. Adjust RV208 so that the reading on the digital voltmeter is

2.37 ± 0.02 V.

Adjustment Location: See page 8.

γ2 Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect a digital voltmeter to TP67 on the MONITOR MAIN

board.

3. Adjust RV213 so that the reading on the digital voltmeter is

2.19 ± 0.02 V.

Adjustment Location: See page 8.

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Adjustment Location:

γ0 Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect an oscilloscope to TP106 on the MONITOR MAIN

board.

3. Adjust RV212 so that the white level of the waveform is at

4.6 ± 0.05V DC.

Adjustment Location: Monitor Main Board

R and B Level Adjustment

Procedure:

1. Display the gray scale on the monitor screen.

2. Connect an oscilloscope to TP107 on the MONITOR MAIN

board.

3. Adjust RV207 so that the white level of the waveform is at

4.6 ± 0.05V DC.

4. Connect an oscilloscope to TP108 on the MONITOR MAIN

board.

5. Adjust RV209 so that the white level of the waveform is at

4.4 ± 0.05V DC.

Adjustment Location: Monitor Main Board

VCOM Adjustment (2)

Procedure:

1. Display the navigation map screen on the monitor screen.

2. Adjust RV211 so as to ensure that the screen has the highest

contrast with no flicker.

Adjustment Location: Monitor Main Board

MONITOR MAIN BOARD (SIDE A)

RV211 RV210

RV209 RV207

R AND B LEVEL

RV213

RV212

RV601

INVERTER

VOLTAGE

RV208

RGB

AMPLITUDE

RV401

DC/DC

CONVERTER

VOLTAGE

RV201

BRIGHT

VCOM

MONITOR MAIN BOARD (SIDE B)

TP64

TP63 TP57

TP14

TP67

TP70

TP102

TP107

TP106

TP108

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4-1. BLOCK DIAGRAM — MONITOR SECTION —

XTL-750W/XVM-750WEX

SECTION 4

DIAGRAMS

CN1

D301

3CN302

POWER

CN8

CN601

CN101

3 SIRCS

B+ (5V)

CN602

V COM AMP

IC203

INV IC204

AUDIO POWER AMP IC301

AUDIO

(MAIN)

SIRCS

BRIGHT

R IN

G IN

B IN

C. SYNC

POWER SW

WIDE MODE1

(PAL/NTSC)

HIDEAWAY

UNIT

BL OFF/ON

AUDIO

(SUB)

SYNC

SEP BGP

GEN BGP

AMP

Q101

COMP

ERROR AMP

INT/

EXT

RV213

GAMMA2

B+ (AMP)

V COM

BIAS

Q207-210

MIX/

BUFFER

Q102, 103

B+

SWITCH

Q608

B+

ON/OFF

Q606,607

BL B+

ON/OFF

Q602

CONTROL

Q801, 802

REG

Q604

INV AMP

GAMMA

AMP

DRIVE

Q601

SWITCH

Q611 INVERTER

Q609, 610

DC-DC

CONVERTER

Q502-504

BUFFER

Q603, 605

S101 NAVI

S102 TV/VIDEO

S103 SEARCH (+)

S104 SEARCH (–)

S107 VOL (+)

S108 VOL (–)

X101

480kHz

DIMMER DISCRIMINATOR IC701

DC-DC CONVERTER

IC401

DC-DC

CONVERTER

TRANSFORMER

T501

REG

IC302

D102

POWER

F901

F601 L505F501

Q105

ERROR AMP

T601

KEY IN MATRIX

IC102

COMPARATOR IC601

D302

CN301

AUDIO POWER AMP IC303

VIDEO INTERFACE, LED DRIVER

IC201

1 2

B+ (AMP)

B+ (5V)

OSC 1

OSC 2

REMOTE

CONTROL

SENSOR

IC101

OUT

K0 4

K1 5

B+ (AMP)

B+ (13V)

RV210

V COM

AMP

RV211

V COM

RV601

INVERTER

VOLTAGE

RV401

RV212

GAMMA0

RV201

BRIGHT

35 39 33 32 37

RV207

R SUB

BRIGHT

RV209

B SUB

BRIGHT

RV208

RGB

AMP

D701

DIMMER

SENSOR

D502

D110

L602

L501

L601

T602

B+ (7.5V)

D503 L502

B+ (5V)

D504 L503

B- (-5V)

D505 L504

B- (-16V)

D506 L513

L512

L510

L511

10 13

1CK 2

COM

LIQUID

CRYSTAL

DISPLAY

LCD1

BACK

LIGHT

UNIT1

BACK

LIGHT

UNIT2

13 NTP

FRPT

FRPV

VCS

SYN

HSY

MODW

MODN

VGH

VSH

NTP

HRV

VRV

CLKC

MODS

VGL

PWM

GND

S105

SELECT

S701

DIMMER

AUTO

HIGH

LOW

SP1

MAIN/L

SPEAKER

SP2

SUB/R

SPEAKER

1CLR 2CLR 2Q

WIDE MODE SELECT

IC103

• Signal path

: TV and External Video (AUDIO)

: NAVI (AUDIO)

: VIDEO

PAL/NTSC

CONTROL

Q104

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10 10

XTL-750W/XVM-750WEX

4-2. PRINTED WIRING BOARDS — MONITOR SECTION —

Ref. No. Location

D101 E-7

D104 E-8

D105 E-8

D106 E-7

D107 E-7

D108 F-7

D109 E-7

D110 E-7

D111 E-8

D112 E-7

D113 E-7

D201 D-4

D202 C-5

D203 C-4

D204 C-5

D502 E-4

D503 E-4

D504 E-4

D505 D-4

D506 D-4

D601 E-9

D602 D-9

D603 D-8

D701 F-7

D702 E-6

D801 E-6

D802 D-6

IC102 E-7

IC201 A-7

IC301 E-2

IC303 E-1

IC601 D-9

IC701 E-6

Q101 E-8

Q102 E-8

Q103 E-9

Q104 B-5

Q207 C-5

Q208 C-5

Q209 B-5

Q210 B-5

Q502 E-3

Q503 D-3

Q504 F-3

Q601 D-8

Q602 E-8

Q603 E-9

Q604 E-8

Q605 D-9

Q606 E-9

Q607 E-9

Q609 A-8

Q610 C-8

Q801 D-6

Q802 E-7

• Semiconductor

Location (side A)

Note:

•Y: parts extracted from the conductor side.

•z: Through hole.

•b: Pattern from the side which enables seeing.

(The other layer’s patterns are not indicated.)

Caution:

Pattern face side: Partson thepatternfacesideseenfromthe

(Side B) pattern face are indicated.

Parts face side: Parts on the parts face side seen from the

(Side A) parts face are indicated.

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