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SX-M700
Sony SX-M700 User Manual
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4-3(E)
SX-M700
4-2-3.
Check Points in Case of Error
(Assuming That the Input and Output
Stages are Normal)
1.
Error-1
.
Signal path from the input stage to IC504
.
IC504
.
Signal path from IC504 to IC505
2.
Error-3
.
Signal path from IC504 to IC505
.
IC505
3.
Error-4
Error-4 may be caused by a software problem. If Error-4
occurs frequently, there may be a hardware problem such
as:
.
Signal path from IC505 to IC504
.
IC505
55
57
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
4
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Sony SX-M700 Specifications
General
Brand
Sony
Model
SX-M700
Category
Control Unit
Language
English
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