Sony SX-E120 Manuals

Manuals and User Guides for Sony SX-E120. We have 1 Sony SX-E120 manual available for free PDF download: Service Manual

Sony SX-E120 Service Manual

Sony SX-E120 Service Manual (155 pages)

Brand: Sony | Category: Control Unit | Size: 10.09 MB

Table of Contents

Section 1

2
- Table of Contents
  2
- Operating Instructions
  4
Section 2

20
- Features
  21
- Outline
  21
- System Configuration
  21
- Location and Function of Parts and Controls
  22
- SX-M100 Control Unit
  22
- SX-C100A/C150/SX-D100A/D150 Chairman's Unit/Delegate's Unit
  23
- SX-T100 Telephone Coupler
  25
- Precautions
  26
- Setting up the System
  26
- System Connection
  26
- Preparing the Control Unit
  27
- Turning on the Power of the System
  27
- Operation During a Conference
  28
- Operation Performed by the Chairman and Delegates
  28
- Taking Part in a Conference Via a Telephone
  29
- Troubleshooting Guide
  29
- Board Removal (SX-M700/M100/E120)
  36
- Removal of the External Panels
  36
- Removal of the PS-364 Board
  36
- Removal of the CPU-181 Board
  38
- Removal of the AA-93 Board (SX-M700/M100)
  40
- Removal of the AL-31 Board (SX-E120)
  41
- Removal of the HP-65 Board (SX-M700/M100)
  42
- Removal of the SW-710 Board (SX-M700/M100)
  42
- Removal of the SW-722 Board (SX-M700)
  42
- Removal of the VR-237 Board (SX-M700/M100)
  42
- Installation of the Expansion Board (SXA-120)
  43
- Removal of the Velcro Fastener Tape (SX-T100)
  44
- Rack Mount
  45
- Connector Input and Output Signals
  46
- Power Cord (Supplied)
  48
- Switch Setting
  48
- Safety Check-Out
  49
- System Configuration
  50
- System Configuration and Circuit Description
  50
- Circuit Descriptions
  51
- Digital Block
  51
- Audio Block
  52
- System Diagnostics
  54
- Troubleshooting
  54
- If Error-1 Occurs in Connected Units
  55
- If Error-1 to Error-3 Occurs in a Single Unit
  55
- Troubleshooting Procedure
  55
- Check Points in Case of Error
  56
- Checking the CPU
  57
- Checking the Keys and Leds
  57
- Checking the Lines Connecting
  57
- Factory Default Settings
  57
- Self Diagnostics of CPU-181 Board
  57
- The Delegate and Chairman Units
  57
- Checking the CPU
  58
- Checking the SIO
  58
- Factory Default Settings
  58
- Self Diagnostics of CPU-188 Board
  58
- Self Diagnostics of SX-C700/C100/D700/D100
  59
- SX-T100 Check Items
  59
- Electrical Alignment
  60
- Locations of Parts (Side A)
  60
- Required Equipment
  60
- Board, Oscillating Frequency Adjustment
  61
- Connecting Diagram
  61
- Output Voltage (PS-364 Board) Adjustment
  62
- Output Voltage (PS-364 Board) Check
  62
- VU Meter Adjustment
  63
- Semiconductor Pin Assignments
  64
- Notes on Repair Parts
  77
- Repair Parts
  77
- Exploded Views
  78
- Electrical Parts List
  83
Section 9 Board Layouts and Schematic Diagrams

117
- AA-79/79X Audio Interface (MIC, LINE, TELEPHONE COUPLER)
  121
- Changed MASTER VR Position & Audio Analog Limiter Level
  123
- Changed Audio Analog Limiter Level
  135
- Expansion Interface (Chairman's & Delegate's Units)
  135
- POWER Sw & POWER Indicator
  139
- Telephone Coupler's Audio Board
  139
- Cpu (Main), Cpu (Ext)
  141
- Option CPU Board
  145
- Headphone Amp
  147
- Level Meter
  147
- AC Line Input/Line Filter
  149
- Power Line Filter
  149
- Switching Regulator
  149
- CN-1478 External Unit Signal Input/Output
  151
- Matching Transformer Board
  151
- MIC LIMIT/DIRECT ACCESS/SEAT ASSIGN Switch
  151
- MONITOR Channel Selector
  151
- TELEPHONE COUPLER Selection
  151
- Volume Control
  151
- Frame Sx-M700/Sxa-120
  152
- Frame Sx-M100/Sxa-120
  153
- Frame Sx-E120
  154

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