System Will Not Pass Line-Up Tones at 100% Modulation ............................................ 5-5
System Will Not Pass Emergency Alert System (“EAS” USA Standard) Tones at the
Legally Required Modulation Level ................................................................................ 5-5
System Receiving 9300’s Digital Output Will Not Lock .................................................. 5-5
General Dissatisfaction with Subjective Sound Quality.................................................. 5-5
Security Passcode Lost (When Unit is Locked Out) ......................................................... 5-6
Connection Issues between the 9300 and a PC, Modem, or Network ................5-6
Troubleshooting Connections.................................................................................5-6
You Cannot Access the Internet After Making a Direct or Modem Connection to
the 9300: ..................................................................................................................5-7
OS-SPECIFIC TROUBLESHOOTING ADVICE ............................................................................5-8
Troubleshooting Windows XP Direct Connect: .....................................................5-8
Troubleshooting Windows XP Modem Connect: ..................................................5-9
TROUBLESHOOTING IC OPAMPS .........................................................................................5-9
TECHNICAL SUPPORT.......................................................................................................5-10
FACTORY SERVICE...........................................................................................................5-10
SHIPPING INSTRUCTIONS ..................................................................................................5-11
Section 6 Technical Data
.........................................................................................................................................6-1
SPECIFICATIONS ................................................................................................................6-1
Performance.............................................................................................................6-1
Installation ...............................................................................................................6-2
CIRCUIT DESCRIPTION .......................................................................................................6-4
Overview ..................................................................................................................6-4
Control Circuits ........................................................................................................6-5
User Control Interface and LCD Display Circuits ...................................................6-5
Input Circuits............................................................................................................6-7
Output Circuits.........................................................................................................6-8
DSP Circuit..............................................................................................................6-10
Power Supply .........................................................................................................6-10
ABBREVIATIONS .............................................................................................................6-11
PARTS LIST ....................................................................................................................6-13
Obtaining Spare Parts ...........................................................................................6-13
Control Board ........................................................................................................6-13
Combined Input/Output and DSP (I/O+DSP) Board ............................................6-15
Display Board (Front) ............................................................................................6-18
Display Board (Back)..............................................................................................6-19
SCHEMATICS AND PARTS LOCATOR DRAWINGS ...................................................................6-19
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