Sony JumboTron LDU-1530S Manuale utente

LDU-1530S

World

LDU-1530L

World

LDU-1540S

World

LDU-1540L

World

LED Jumbo Tron Display Unit

REVISED-1

SERVICE MANUAL

MODEL

DEST.

............... .........

!WARNING

This manual is intended for qualified service personnel only.

To reduce the risk of electric shock, fire or injuly, do not perform any servicing other than that

contained in the operating instructions unless you are qualified to do so. Refer all servicing to

qualified service personnel.

1(E)

LDU-1530/1540

CAUTION OF UNIT

CAUTION

To Avoid Unit from Dropping

Allways attach the wire to the unit

before installation or removal to

avoid injury by accidental drop of the

unit.

Do Not Look LED Light Straight

Looking LED light straight in close

distance, when LED is ON, strong

light may be harmful to your eyes.

WARNING!!

AN INSULATED TRANSFORMER SHOULD BE USED DURING

ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD,

BECAUSE OF THE LIVE CHASSIS.

THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED

TO THE AC POWER LINE.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY A !!

!MARK ONTHE SCHEMATIC

DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE

CRITICAL TO SAFE OPERATION. REPLACE THESE COMPO-

NENTSWITH SONY PARTSWHOSE PART NUMBERS APPEAR

AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-

LISHED BY SONY.

ATTENTION!!

AFIN D’EVITER TOUT RISQUE D’ÉLECTROCUTION

PROVENANT D’UN CHÂSSIS SOUS TENSION, UN

TRANSFORMATEUR D’ISOLEMENT DOIT ETRE UTILISÉ LORS

DE TOUT DÉPANNAGE.

LE CHÂSSIS DE CE RÉCEPTEUR EST DIRECTEMENT

RACCORDÉ Á L’ALIMENTATION SECTEUR.

ATTENTION AUX COMPOSANTS RELATIFS ÁLA

SÉCURITÉ!!

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE !SUR

LES SCHÉMAS DE PRINCIPE, LES VUES EXPLOSÉES ET LES

LISTES DE PIECES SONT D’UNE IMPORTANCE CRITIQUE

POUR LA SÉCURITÉ DU FONCTIONNEMENT. NE LES

REMPLACER QUE PAR DES COMPOSANTS SONY DONT LE

NUMÉRO DE PIÉCE EST INDIQUÉ DANS LE PRÉSENT MANUEL

OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

1(E)

LDU-1530/1540

Display element: Full color LED cell x 16

Maximum brightness: 3000 cd/m2(1530L, 1530S)

4000 cd/m2(1540L, 1540S)

Color temperature: 7000 K (1/2 brightness)

Uneven brightness: ±3% or less (front, between pixels)

Pixel pitch: 15 mm x15 mm

Visible distance: 7.6 m or more

Angle of visibility: Horizontal +60 d(1530S, 1530L) (1540S, 1540L)

Vertical (50%)

Up 30 d, down 60 d: (1530S, 1540S)

Up 15 d, down 40 d: (1530L, 1540L)

Operating temperature: 0 dC to +45 dC

Storage temperature: _20 dC to +60 dC

Humidity: 90% or less (no condensation)

Drip-proof: Surface drip-proof structure (equivalent to JIS Grade 5)

Power supply voltage, frequency: AC100 ~ 240 V ±10%, 50/60 Hz

Power consumption: Maximum 100 W

Signal input: 15-pin connector

Power supply input: 3-pin inlet

Dimensions: 239 x 239 x 153 mm (H x W x D) : (1530S, 1540S)

239 x 239 x 158 mm (H x W x D) : (1530L, 1540L)

Weight: 3.0 kg

Units and cells

Louver length Brightness Visible angle Remarks

(mm) (cd/m2) (H/V)

LDU-1530S 7 3000 120 d/u: 30 dIndoor use

d: 60dLow noise level

LDU-1530L 12 3000 120 d/u: 15 dOutdoor use

d: 40 dWide visible angle

LDU-1540S 7 4000 120 d/u: 30 dIndoor use

d: 60dLow noise level

LDU-1540L 12 4000 120 d/u: 15 dOutdoor use

d: 40 dWide visible angle

Specifications

2(E)

2(E) LDU-1530/1540

1. SERVICE INFORMATIONS

1-1. Circuit Boards Location ............................................................................1-1(E)

1-2. Disassembly...............................................................................................1-2(E)

1-2-1. Exchanging the Cell Assembly form the Front Side of the Unit .......1-2(E)

1-2-2. Exchanging the Cell Assembly form the Behind of the Unit ............1-3(E)

1-2-3. Rear cover Removal ..........................................................................1-4(E)

1-2-4. G Board (Switching Regulator) Removal..........................................1-4(E)

1-2-5. Cell Assembly Removal .................................................................... 1-5(E)

1-2-6. B Board Removal ..............................................................................1-5(E)

1-2-7. LDM-1540S/1540L Exterior View ....................................................1-6(E)

2. CIRCUIT ADJUSTMNETS

2-1. Lowest FrequencyAdjustment (RV103) ...................................................2-1(E)

2-2. Power Factor Improvement (PFC)Voltage Adjustment (RV101) .............2-1(E)

2-3. Output Voltage Adjustment (RV201).........................................................2-1(E)

2-4. PLL Adjustment (RV2001)........................................................................2-1(E)

3. CIRCUIT DESCRIPTIONS

3-1. Signal System ............................................................................................3-1(E)

3-2. Address Switch and Status LED ...............................................................3-3(E)

3-2-1. Address Switch ..................................................................................3-3(E)

3-2-2. Status LED.........................................................................................3-3(E)

3-2-3. BrightnessAdjustment.......................................................................3-3(E)

3-3. Power System ............................................................................................3-3(E)

3-3-1. Filter &AC Rectifier Block...............................................................3-3(E)

3-3-2. PFC Block .........................................................................................3-3(E)

3-3-3. Power Supply Block ..........................................................................3-3(E)

3-3-4. OTP (Temperature Protection) Circuit ..............................................3-4(E)

3-3-5. OutputVoltages .................................................................................3-4(E)

3-3-6. OVP Circuit .......................................................................................3-4(E)

TABLE OF CONTENTS

3(E)

LDU-1530/1540

4. SEMICONDUCTORS

5. EXPLODED VIEWS

5-1. Chassis ............................................................................................................ 5-2

6. ELECTRICAL PARTS LIST

7. BLOCK DIAGRAM

8. DIAGRAMS

8-1. Schematic Diagrams and Printed Wiring Boards ........................................... 8-1

SCHEMATIC DIAGRAMS

• Q Board ........................................................................................................ 8-3

• B Board ........................................................................................................ 8-6

• G Board ...................................................................................................... 8-15

PRINTED WIRING BOARDS

• Q Board ........................................................................................................ 8-2

• B Board ........................................................................................................ 8-5

• G Board ...................................................................................................... 8-14

4(E)

1-1(E)

LDU-1530/1540

SECTION 1

SERVICE INFORMATIONS

1-1. CIRCUIT BOARDS LOCATION

G (APS-102)

Caution for Static Electricity to LED Cell

The LED is very weak to static electricity, and a discharge of static electricity could shorten the LED life.

Wear the earth bands when touching the LED or the connector of the LED cell to replace the LED cell or handle the unit.

1-2(E) LDU-1530/1540

1-2. DISASSEMBLY

1-2-1. Exchanging the Display Unit from the Front Side of the Unit.

1Unit remover (Jig)

4-067-026-01

2Pull out the display unit

with the jig.

Display unit

3Remove two bosses.

4Remove the display unit.

1. 2.

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