Sony JumboTron LDU-1540L Manuals

Manuals and User Guides for Sony JumboTron LDU-1540L. We have 2 Sony JumboTron LDU-1540L manuals available for free PDF download: Service Manual

Sony JumboTron LDU-1540L Service Manual

Sony JumboTron LDU-1540L Service Manual (64 pages)

Brand: Sony | Category: Monitor | Size: 8 MB

Table of Contents

Table of Contents
4
1 Service Information

7
2 Electrical Adjustments

17
3 Circuit Descriptions

19
- Signal System
  19
- Address Switch and Status LED
  21
  - Address Switch
    21
  - Status LED
    21
  - Brightness Adjustment
    21
- G Board (Power System)
  22
  - Filter & AC Rectifier Block
    22
  - PFC Block
    22
  - Power Supply Block
    22
  - OTP (Temperature Protection) Circuit
    22
  - Output Voltages
    22
  - OVP Circuit
    22
4 Semiconductors

25
5 Exploded Views

25
- Chassis (LDU-1530S/1530L/1540S/1540L)
  26
- Chassis (LDU-1515)
  27
6 Electrical Parts List

29
7 Block Diagrams

41
8 Diagrams

43
- Schematic Diagrams and Printed Wiring Boards
  43
- G (Aps-102)
  59

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Sony JumboTron LDU-1540L Service Manual

Sony JumboTron LDU-1540L Service Manual (54 pages)

Brand: Sony | Category: Monitor | Size: 5 MB

Table of Contents

Table of Contents
6
1 Service Informations

9
- Circuit Boards Location
  9
- Disassembly
  10
  - Rear Cover Removal
    12
  - G Board (Switching Regulator) Removal
    12
  - Cell Assembly Removal
    13
  - B Board Removal
    13
  - LDM-1540S/1540L Exterior View
    14
2 Circuit Adjustmnets

15
3 Circuit Descriptions

17
- Signal System
  17
- Address Switch and Status LED
  19
  - Address Switch
    19
  - Status LED
    19
  - Brightness Adjustment
    19
- Power System
  19
  - Filter & AC Rectifier Block
    19
  - PFC Block
    19
  - Power Supply Block
    19
  - OTP (Temperature Protection) Circuit
    20
  - Output Voltages
    20
  - OVP Circuit
    20
4 Semiconductors

23
5 Exploded Views

23
- Chassis
  24
6 Electrical Parts List

25
7 Block Diagram

35
8 Diagrams

37
- Schematic Diagrams and Printed Wiring Boards
  37
  - Schematic Diagrams
    37
  - Q Board
    38

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