RFI, Hum, Clicks, or Buzzes ............................................................................................... 5-1
Unexpectedly Quiet On-Air Levels ................................................................................... 5-1
Poor Peak Modulation Control ........................................................................................ 5-2
Unexpected Delay Between the Program Feed and the On-Air Signal ......................... 5-2
Audible Distortion On-Air ................................................................................................ 5-2
Whistle on Air, Perhaps Only in Stereo Reception.......................................................... 5-3
Interference from stereo into SCA ................................................................................... 5-3
Figure 5-1: Typical 5518 baseband spectrum with heavy processing, 0-100 kHz. ......... 5-3
Shrill, Harsh Sound............................................................................................................ 5-4
Dull Sound......................................................................................................................... 5-4
System Receiving 5518’s Digital Output Will Not Lock ................................................... 5-4
19 kHz Frequency Out-of-Tolerance ................................................................................ 5-4
L–R (Stereo Difference Channel) Will Not Null With Monophonic Input ...................... 5-4
Security Passcode Lost (When Unit is Locked Out).......................................................... 5-4
Connection Issues between the 5518 and a PC, Modem, or Network ................5-5
Troubleshooting Connections.................................................................................5-5
You Cannot Access the Internet After Making a Direct or Modem Connection to
the 5518: ..................................................................................................................5-6
OS-S
PECIFIC
T
ROUBLESHOOTING
A
DVICE
............................................................................5-6
Troubleshooting Windows 2000 Direct Connect:..................................................5-6
Troubleshooting Windows 2000 Modem Connect:...............................................5-8
Troubleshooting Windows XP Direct Connect: .....................................................5-9
Troubleshooting Windows XP Modem Connect: ................................................5-10
T
ROUBLESHOOTING
IC
O
PAMPS
.......................................................................................5-11
T
ECHNICAL
S
UPPORT
.......................................................................................................5-11
F
ACTORY
S
ERVICE
...........................................................................................................5-11
S
HIPPING
I
NSTRUCTIONS
..................................................................................................5-12
Section 6 Technical Data
.........................................................................................................................................6-1
S
PECIFICATIONS
................................................................................................................6-1
Performance.............................................................................................................6-1
Installation ...............................................................................................................6-2
C
IRCUIT
D
ESCRIPTION
........................................................................................................6-5
Overview ..................................................................................................................6-5
Control Circuits ........................................................................................................6-6
User Control Interface and LCD Display Circuits ...................................................6-7
Input Circuits............................................................................................................6-8
Output Circuits.......................................................................................................6-10
DSP Circuit..............................................................................................................6-12
Power Supply .........................................................................................................6-13
A
BBREVIATIONS
.............................................................................................................6-13
P
ARTS
L
IST
.....................................................................................................................6-15
Obtaining Spare Parts ...........................................................................................6-15
Control Board ........................................................................................................6-16
Combined Input/Output and DSP (I/O+DSP) Board.............................................6-18
Composite/SCA Daughterboard ...........................................................................6-22
Display Board (Front) ............................................................................................6-22
Display Board (Back)..............................................................................................6-23
S
CHEMATICS AND
P
ARTS
L
OCATOR
D
RAWINGS
...................................................................6-23
Содержание OPTIMOD-FM 5518
Страница 1: ...Operating Manual OPTIMOD FM 5518 FM Stereo Encoder Version 1 2 Software...
Страница 7: ...Operating Manual OPTIMOD FM 5518 FM Stereo Encoder Version 1 2 Software...
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Страница 191: ...5518 FM DIGITAL TECHNICAL DATA 6 25...
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Страница 194: ...6 28 TECHNICAL DATA ORBAN MODEL 5518 CONTROL BOARD PARTS LOCATOR...
Страница 200: ...6 34 TECHNICAL DATA ORBAN MODEL 5518 5500 I O BOARD Parts Locator Drawing 32370 000 02 1 sheet 1 of 1...
Страница 205: ...5518 FM DIGITAL TECHNICAL DATA 6 39 5500 I O BOARD Composite SCA Daughter Board 62310 000 02 1 sheet 4b...
Страница 214: ...6 48 TECHNICAL DATA ORBAN MODEL 5518 FRONT VIEW REAR VIEW FRONT PANEL PARTS LOCATOR DIAGRAM...
Страница 217: ...5518 FM DIGITAL TECHNICAL DATA 6 51...