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Control Unit
LLC-8000A
Sony LLC-8000A Manuals
Manuals and User Guides for Sony LLC-8000A. We have
1
Sony LLC-8000A manual available for free PDF download: Service Manual
Sony LLC-8000A Service Manual (102 pages)
LL CONTROL CONSOLE, STUDENT EXPANSION BOARD, LL CONFERENCE BOARD
Brand:
Sony
| Category:
Control Unit
| Size: 5.94 MB
Table of Contents
Table of Contents
3
1 Service Overview
5
Relative Manuals
5
Main Changes Made from LLC-8000 System to LLC-8000A System
5
2 Self-Diagnosis
7
Board
7
POWER on Indicator
7
Self-Diagnosis of the CPU-240 Board
7
Operation Unit
11
Board (LU-800B/LU-801B)
12
LED Indicators When the Main Power Is Turned on
12
Self-Diagnosis of the ASW-58 Board
13
Troubleshooting the ASW-58 Board (LU-800B/LU-801B)
18
3 Semiconductor Pin Assignments
21
4 Spare Parts
23
Notes on Repair Parts
23
Exploded Views
24
Electrical Parts List
30
Packing Materials
58
5 Circuit Description and Block Diagrams
59
Signal Flow in LLC-8000A System
59
Circuit Description
59
Block Diagrams
60
Audio
60
Audio (ASW-58 Board)
60
DC Power
65
Digital Signal
66
Random Pair and Group Conference Control
68
6 Analog Signal Flow
71
Standard Type
72
Add-In Type 1
74
Add-In Type 2
76
Add-In Type 3
78
7 Schematic Diagrams and Board Layouts
81
Frame
83
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