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.
1.
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.
2.
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)
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)
Q
B
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.
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