Orban Optimod-AM 9400 Operating Manual Download Page 269

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OPTIMOD-AM DIGITAL

TECHNICAL DATA

6-37

GP_SMemRd-n = GPA20 + GPA21 + GPA22 + GPA23 + GPA24 + GP_MemRd-n

GP_SMemWr-n = GPA20 + GPA21 + GPA22 + GPA23 + GPA24 + GP_MemWr-n

ResetDrv-n = GP_Reset

PrgReset = !MasterReset-n

BuffRd-n = GP_MemRd-n & GP_IORd-n

IRQ9

DAck1-n

IRQ6
IRQ5

IOChRdy

ISA_D7
ISA_D6
ISA_D5

ISA_D3
ISA_D2
ISA_D1
ISA_D0

GP_Reset
PrgReset

GP_SMemRd-n

GP_SMemWr-n

-5 VDC

-12 VDC

DReq2

DAck3-n
DReq3

IRQ7

ISA_AEN

ISA_D11

ISA_D15

ISA_D3

ISA_D0

ISA_D11

ISA_D1

ISA_D13

ISA_D15

ISA_D5

ISA_D9

ISA_D4

ISA_D6

ISA_D2

ISA_D14

ISA_D7

ISA_D10

ISA_D8

ISA_D12

ISA_D4

ISA_D[0..15]

ISA_D8
ISA_D9
ISA_D10

ISA_D12
ISA_D13
ISA_D14

GPA[0..24]

IRQ15

MemCS16-n

DAck6-n

DReq7

DAck0-n

IRQ10

IRQ14

IRQ11

DAck7-n

DAck5-n

IOCS16-n

DReq0

DReq6

IRQ12

DReq5

GP_MemWr-n

ISA_MemRd-n
ISA_MemWr-n

GP_MemRd-n

DAck2-n

DAck7-n

DAck6-n

DAck0-n

DAck3-n

DAck2-n

ISA_IOWr-n

ISA_SMemWr-n
ISA_SMemRd-n

ISA_IORd-n

ISA_A21

ISA_A22

ISA_A23

ISA_A20

GP_SMemWr-n
GP_SMemRd-n

ISA_A19

ISA_A18

ISA_SMemWr-n
ISA_SMemRd-n
ISA_IOWr-n
ISA_IORd-n

ISA_A16
ISA_MemRd-n
ISA_MemWr-n

GP_MemRd-n
GP_MemWr-n

DAck5-n

DAck1-n

ALE

DReq1

IRQ4
IRQ3

NMI

PwrGood

GP_IOWr-n
GP_IORd-n

GPD15

GPD5

GPD13

GPD9

GPD12

GPD2

GPD0

GPD7

GPD1

GPD8

GPD4

GPD[0..15]

GPD3

GPD10

GPD5

GPD3

GPD0

GPD8

GPD11

GPD14

GPD2

GPD7

GPD13

GPD14

GPD4

GPD1

GPD9

GPD11

GPD6

GPD12

GPD15

BuffRd-n

GPDBufOE-n

ISA_A9

ISA_A21

ISA_A4

ISA_A17

ISA_A9

ISA_A19

ISA_A12
ISA_A11

ISA_A3

ISA_A15

ISA_A4

ISA_A17

ISA_A1

ISA_A6

ISA_A18

ISA_A[0..23]

ISA_A13

ISA_A1

ISA_A23
ISA_A22

ISA_A18

ISA_A6

ISA_A10

ISA_A11

ISA_A20

ISA_A0

ISA_A3

ISA_A15

ISA_A14

ISA_A7

ISA_A17

ISA_A8

ISA_A14

ISA_A12

ISA_A2

ISA_A5

ISA_A19

ISA_A2

ISA_A5

ISA_A13

ISA_A8

ISA_A16

ISA_A0

ISA_AEN

ISA_Reset

+12 VDC

BHE-n

GP_Reset

GP_AEN

DReq0

ISA_OE-n

DReq2
DReq3

DReq7

DReq5

DReq1

DReq6

GPA25

GPA24

GPA22

GPA1

GPA8

GPA1

GPA10

GPA5
GPA4

GPA19

GPA11

GPA23

GPA9

GPA13

GPA3

GPA15

GPA21

GPA10

GPA24

GPA18

GPA17

GPA13

GPA12

GPA24

GPA15

GPA16

GPA14

GPA5

GPA20

GPA9

GPA2

GPA8

GPA22

GPA6

GPA3

GPA7

GPA21

GPA23

GPA7

GPA14

GPA20

GPA12

GPA6

GPA19

GPA17

GPA23

GPA22

GPA4

GPA21

GPA16

GPA2

GPA18

GPA0

GPA11

GPA[0..24]

GPD[0..15]

GPCS1-n
GPCS2-n
GPCS3-n
GPCS4-n
GPCS5-n

FlashStatus
PIO10

GPCS6-n
GPCS7-n
IDE_DReq
IDE_DAck-n

ResetDrv-n

BHE

MasterReset-n

+5 VDC

+3.3 VDC

+5 VDC

+3.3 VDC

U1B

AMD ElanSC520-100AC

J24

K24

J23

L24

H24

F23

M24

M23

N23

N24

P24

R24

C24

D24

E24

B22

C21

C14

C19

D10

C10

C11

C12

C13

D13

D14

C15

C17

D17

AE12

AF12

AF11
AE11

AD11

AD10

AE10

AF10

AF9

AE9

AD9

AC9

AC8

AD8

AE8

AF8

AF7
AE7
AD7
AD6
AE6

AF6

AF5

AE5

AD5

AC4

AD4

AE4

B24
C23

AC21
AA24
AC20

AC23
AD23

AC22

G24

C16

F24
C18

D20

C20

GPA0

GPA1

GPA2

GPA3

GPA4

GPA5

GPA6

GPA7

GPA8

GPA9

GPA10

GPA11

GPA12

GPA13

GPA14

GPA15

GPA16

GPA17

GPA18

GPA19

GPA20

GPA21

GPA22

GPA23

GPA24

GPA25

GPD0

GPD1

GPD2

GPD3

GPD4

GPD5

GPD6

GPD7

GPD8

GPD9

GPD10

GPD11

GPD12

GPD13

GPD14

GPD15

PIO0/GPALE

PIO1/GPBHE-n

PIO2/GPRdy

PIO3/GPAEN

PIO4/GPTC

PIO5/GPDReq3

PIO6/GPDReq2

PIO7/GPDReq1

PIO8/GPDReq0

PIO9/GPDAck3-n

PIO10/GPDAck2-n

PIO11/GPDAck1-n

PIO12/GPDAck0-n

PIO13/GPIRQ10

PIO14/GPIRQ9

PIO15/GPIRQ8

PIO16/GPIRQ7
PIO17/GPIRQ6
PIO18/GPIRQ5
PIO19/GPIRQ4
PIO20/GPIRQ3

PIO21/GPIRQ2

PIO22/GPIRQ1

PIO23/GPIRQ0

PIO24/GPDBUFOE-n

PIO25/GPIOCS16-n

PIO26/GPMemCS16-n

PIO27/GPCS0-n

ROMCS1-n/GPCS1-n
ROMCS2-n/GPCS2-n
PITGate2/GPCS3-n
TimerIn1/GPCS4-n
TimerIn0/GPCS5-n

TimerOut1/GPCS6-n
TimerOut0/GPCS7-n

GPReset

GPIORd-n

GPIOWr-n

GPMemRd-n
GPMemWr-n

PrgReset

PwrGood

P1B

PC104-P1

B1
B2
B3
B4
B5
B6
B7
B8
B9

B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32

Gnd
Reset
Vcc
IRQ9
-5 VDC
DReq2
-12 VDC
OWS-n
+ 12 VDC
Gnd
SMemWr-n
SMemRd-n
IOWr-n
IORd-n
DAck3-n
DReq3
DAck1-n
DReq1
Refresh-n
SysClk
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DAck2-n
TC
ALE
Vcc
OSC
Gnd
Gnd

JP1

JP2

JP3

4.75 k, 5%, 0805

U8A

74ACLV162450/SO

2
3
5
6
8
9
11
12

47
46
44
43
41
40
38
37

13
14
16
17
19
20
22
23

1DIR

1B1
1B2
1B3
1B4
1B5
1B6
1B7
1B8

2DIR

2OE

1OE

1A1
1A2
1A3
1A4
1A5
1A6
1A7
1A8

2A8

2A7

2A6

2A5

2A4

2A3

2A2

2A1

2B1
2B2
2B3
2B4
2B5
2B6
2B7
2B8

P2A

PC104-P2

C1
C2
C3
C4
C5
C6
C7
C8
C9

C10
C11
C12
C13
C14
C15
C16
C17
C18

C20

C19

Gnd
SBHe
LA23
LA22
LA21
LA20
LA19
LA18
LA17
MemRd-n
MemWr-n
SD8
SD9
SD10
SD11
SD12
SD13
SD14

Key

SD15

10 k, 5%, 0805

R36

4.75 k, 5%, 0805

U6A

GAL 20LV8D-7LJ

3
4
5
6
7
9

10
11

18
19
20
21
23
24
25
26

12
13
17
27

I0
I1
I2
I3
I4
I5
I6
I7

IClk

Out0
Out1
Out2
Out3
Out4
Out5
Out6
Out7

OutEn

I8
I9
I10
I11

MIC8114TU

Gnd

Vcc

Reset-n

MstrReset

4.75 k, 5%, 0805

U7A

74ACLV162450/SO

2
3
5
6
8
9
11
12

47
46
44
43
41
40
38
37

13
14
16
17
19
20
22
23

1DIR

1B1
1B2
1B3
1B4
1B5
1B6
1B7
1B8

2DIR

2OE

1OE

1A1
1A2
1A3
1A4
1A5
1A6
1A7
1A8

2A8

2A7

2A6

2A5

2A4

2A3

2A2

2A1

2B1
2B2
2B3
2B4
2B5
2B6
2B7
2B8

U9A

74ACLV162450/SO

2
3
5
6
8
9
11
12

47
46
44
43
41
40
38
37

13
14
16
17
19
20
22
23

1DIR

1B1
1B2
1B3
1B4
1B5
1B6
1B7
1B8

2DIR

2OE

1OE

1A1
1A2
1A3
1A4
1A5
1A6
1A7
1A8

2A8

2A7

2A6

2A5

2A4

2A3

2A2

2A1

2B1
2B2
2B3
2B4
2B5
2B6
2B7
2B8

RN2

4.7 k, 5%, CTS 745?083472J

2
3
4
6
7
8
9
1

RN3

4.7 k, 5%, CTS 745?083472J

2
3
4
6
7
8
9
1

10 k, 5%, 0805

P1A

PC104-P1

A1
A2
A3
A4
A5
A6
A7
A8
A9

A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32

IOChk-n
D7
D6
D5
D4
D3
D2
D1
D0
IOChRdy
AEN
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Gnd

P2B

PC104-P2

D1
D2
D3
D4
D5
D6
D7
D8
D9

D10
D11
D12
D13
D14
D15
D16
D17
D18

D20

D19

Gnd
MemCS16-n
IOCS16-n
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DAck0-n
DReq0
DAck5-n
DReq5
DAck6-n
DReq6
DAck7-n
DReq7
+5 VDC
Master-n

Gnd

CPU Module:
General Purpose
Bus

Summary of Contents for Optimod-AM 9400

Page 1: ...Operating Manual OPTIMOD AM 9400 Digital Audio Processor Version 1 2 Software...

Page 2: ...d dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock This symbol wherever it appears alerts you to important operating and maintenance instructions in...

Page 3: ...spilled into the enclosure through openings Damage Requiring Service The appliance should be serviced by qualified service personnel when The power supply cord or the plug has been damaged or Objects...

Page 4: ...apr svente autoris Safety Instructions Spanish Hacer funcionar el aparato s lo con la tensi n y clase de corriente se aladas en la placa indicadora de caracter sticas Reemplazar los fusibles s lo por...

Page 5: ...you pack the unit for shipping 1 Tighten all screws on any barrier strip s so the screws do not fall out from vibration 2 Wrap the unit in its original plastic bag to avoid abrading the paint 3 Seal t...

Page 6: ...spark or shock you may have felt when touching a doorknob or some other conductive surface A much smaller static discharge is likely to destroy one or more of the CMOS semiconductors employed in OPTIM...

Page 7: ...Operating Manual OPTIMOD AM 9400 Digital Audio Processor Version 1 2 Software...

Page 8: ...STUDIO TRANSMITTER LINK 1 11 Transmission from Studio to Transmitter 1 11 Digital Links 1 11 Dual Microwave STLs 1 12 Analog Landline PTT Post Office Line 1 13 AM Transmitters and Antennas 1 13 Bypass...

Page 9: ...tor Rolloff Filter Schematic Diagram 2 7 9400 REAR PANEL 2 7 INPUT AND OUTPUT CONNECTIONS 2 8 Cable 2 8 Connectors 2 8 Analog Audio Input 2 9 Analog Audio Outputs 2 9 AES3 Digital Input and Output 2 1...

Page 10: ...ation through Null Modem Cable 2 59 Connecting Using Windows 2000 Direct Serial Connection 2 59 Connecting Using Windows XP Direct Serial Connection 2 64 Preparing for Communication through Modems 2 6...

Page 11: ...ix Controls 3 48 Advanced Multiband Controls 3 52 TEST MODES 3 54 Table 3 10 Test Modes 3 54 ABOUT THE 9400 S DIGITAL RADIO PROCESSING 3 55 Delay Difference between Digital Channel and AM Outputs 3 56...

Page 12: ...evel 5 5 System Receiving 9400 s Digital Output Will Not Lock 5 5 L R Stereo Difference Channel Will Not Null with Monophonic Input 5 5 AM Analog and Digital Channels Have Unequal Loudness 5 5 Loudnes...

Page 13: ...Basic In terconnections Top view not to scale 6 29 Base Board Glue logic supports CPU module and RS 232 daughterboard Contains Parts Locator Drawing 6 30 System Connections Schematic 1 of 4 6 31 CPU...

Page 14: ...Schematic 1 of 1 6 51 DSP Board DSP Chips Local 3 3V regulator Contains Parts Locator Drawing 6 52 DSP Extended Serial Audio Inter face ESAI Schematic 1 of 7 6 53 DSP Host Interface Schematic 2 of 7 6...

Page 15: ...nalog I O 1 7 analog input circuit description 6 8 ref level I O setup 2 24 analog landline 1 13 analog output circuit description 6 9 compensating for 600 ohm load 2 28 analog output 2 9 antenna syst...

Page 16: ...ction 2 11 components obtaining 6 13 Compression Defined 3 3 compressor gate 3 39 Compressor look ahead and bass clipper mode 3 43 computer connecting to 2 4 interface specifications 6 3 troubleshooti...

Page 17: ...ck time controls 3 52 band coupling controls 3 51 band on off switch 3 52 band threshold control 3 49 delta release control 3 53 downward expander thresold control 3 50 HF clipper threshold 3 44 high...

Page 18: ...6 input selector I O setup 2 23 input output board removing 4 3 inspection of package contents 2 1 installation procedure 2 1 Instrumental format 3 26 Internet cannot access 5 8 IP address 2 48 IP por...

Page 19: ...hooting poor 5 1 modulation monitor accuracy of 3 12 monitor low delay 3 24 10 monitor mute via GPI 2 47 monitor rolloff filter 11 Monitor Rolloff Filter 1 23 monitor rolloff filter 2 5 multiband driv...

Page 20: ...cannot achieve desired 5 2 positive peaks 1 16 power cord 2 2 7 power 2 2 power supply circuit description 6 11 parts list 6 17 testing 4 8 transmitter 1 15 power supply board reattaching 4 4 removing...

Page 21: ...Communications setting up 2 59 serial connection setting up direct 2 49 serial connector 2 8 service 5 14 Set clock via GPI 2 47 setup I O 2 23 quick 2 16 setup button 2 12 1 shipping instructions 5 1...

Page 22: ...unlock front panel 2 45 unpacking 2 1 Updating software 2 81 Urban format 3 28 user presets archiving 3 18 creating 3 6 15 17 user presets 1 6 V voltage select switch 2 2 7 volume balancing AM and HD...

Page 23: ...Because all processing is performed by high speed mathematical calculations within Motorola DSP56362 digi tal signal processing chips the processing has cleanliness quality and stability over time an...

Page 24: ...ressly designed for this purpose At the time of this writing this is the Orban 8200ST OPTIMOD Studio Compressor limiter HF Limiter Clipper The 8200ST can be adjusted so that it substitutes for the bro...

Page 25: ...presets tuned specifically for low bitrate codecs These presets have LBR in their names Controllable and Adjustable The 9400 comes with a wide variety of factory presets to accommodate al most any use...

Page 26: ...t government regulations regardless of program material or equaliza tion The high frequency bandwidth of the analog processing channel can be switched instantly in 500Hz increments between 4 5 kHz and...

Page 27: ...re rigorously RFI suppressed to Orban s traditional exacting standards ensuring trouble free installation The 9400 is designed and certified to meet all applicable international safety and emissions s...

Page 28: ...e AM analog and digital radio HD processing A preset whether Factory or User can be edited in two ways to create a new User Preset First you can adjust any individual parameter in both the AM analog o...

Page 29: ...left and right channels of either the analog or digital inputs The 9400 can simultaneously process for HD AM in stereo while processing for the analog channel in mono Level control of the AES3 input...

Page 30: ...g and allow downloading software upgrades Each 9400 package ships with 9400 PC Remote software an application for any IBM compatible PC running Microsoft Windows 2000 Service Pack 3 or XP 9400 PC Re m...

Page 31: ...recisely complementary de emphasis Every pole and zero in the pre emphasis filter must be complemented by a zero and pole of identical complex frequency in the de emphasis network An all pole de empha...

Page 32: ...like OPTIMOD AM s output without introducing serious artifacts Unlike FM where the transmitter usually can be set up to provide pre emphasis AM transmitters are universally flat Therefore unlike FM t...

Page 33: ...ission through the digital link Such processing will almost invariably distort peak levels such links must therefore be carefully qualified before you use them to carry the peak controlled output of t...

Page 34: ...ized by always driving a digital STL with an AES3 digital output which will provide the most accurate interface to the STL The 9400 s digital input and output accommodate sample rates of 32 kHz 44 1 k...

Page 35: ...microwave link If the STL microwave uses pre emphasis its input pre emphasis filter will probably introduce overshoots that will increase peak modulation without any increases in average modulation I...

Page 36: ...inear phase must be less than 10 degrees 30 9500Hz Frequency response must be less than 3dB down at 0 15Hz and less than 0 1dB down at 9 5 kHz The highly processed output of OPTIMOD AM is carefully ba...

Page 37: ...required to provide 150 of equivalent unmodulated carrier power when it is modulating 100 High voltage power supplies are subject to two major problems sag and resonance Sag is a result of inadequate...

Page 38: ...built we recommend that such transmitters be replaced The latest solid state transmitters sound audibly better on air and their higher efficiency reduces operating power costs substantially Asymmetry...

Page 39: ...power supplies modulation transformers or reactors If any of these components saturate or otherwise fail to perform under heavy power demands no amount of small signal equalization will solve their p...

Page 40: ...application the four transmit ter equalizer presets are labeled TX1 DAY TX1 NIGHT TX2 DAY and TX2 NIGHT al though they can be applied in a completely general way to the requirements of your transmissi...

Page 41: ...le antenna specialist a reputable outside antenna consultant should be employed to design correction networks for the system Note that many antenna systems are perfectly adequate particularly for ordi...

Page 42: ...will be heard Also you should minimize the number of encode and decode cycles because each cycle moves the added noise closer to the threshold where the added noise is heard About Transmission Levels...

Page 43: ...t the meter does not indicate will not be clipped Line up level is usually at this same maximum meter indication In facilities that use VU meters this level is usually at 0VU which corresponds to the...

Page 44: ...ain output signal In the latter case the left hand meter reads negative peaks of the higher of the two stereo channels and the right hand meter reads the higher of the positive peaks Left and right in...

Page 45: ...splay pulse waveforms accurately Make sure the oscilloscope is switched to DC coupling Note also that modulation percentages will vary depending on where in the trans mission system the RF sample is t...

Page 46: ...use a problem with the DJ or presenter s head phones See Low Delay Monitoring for Headphones on page 3 10 for a discussion of the 9400 low delay monitoring feature EAS Test For stations participating...

Page 47: ...from your station s remote control to the GPI port programmed as BYPASS b Begin EAS broadcast c When the EAS broadcast is finished switch the 9400 from BYPASS mode by a momentary command from your sta...

Page 48: ...seg ments and when implemented can result in a vast improvement in AM radio AM Stereo Introduces a Pre emphasis Dilemma Certain AM receivers manufactured since 1984 for sale in North America particul...

Page 49: ...d only be achieved by a complete re allocation of the AM band On April 27 1989 The FCC U S A released a Report and Order that amended sec tion 73 44 of the FCC Rules by requiring all U S AM stations t...

Page 50: ...hip your Orban products prepaid to our service department Be sure to include a copy of your sales slip as proof of purchase date We will not repair transit damage under the no charge terms of this war...

Page 51: ...an product This offer applies only to new Orban products purchased from an authorized Orban Dealer To accept the extended five year warranty please sign and date below and fax this copy to Gareth Pare...

Page 52: ......

Page 53: ...ay for 115V fuses and black for 230V fuses 4ea Rack mounting screws 10 32 x with washers 10 1ea Null modem cable for software upgrades and PC Remote connection 1ea PC Remote Software and Operating Man...

Page 54: ...holder for European 230V operation For safety use A 250V Slow Blow for 115V or 500mA 250V for 230V CONDUCTOR WIRE COLOR L N E LINE NEUTRAL EARTH GND BROWN BLUE GREEN YELLOW BLACK WHITE GREEN NORMAL AL...

Page 55: ...ect inputs and outputs See the hookup and grounding information on the following pages TOPIC PAGE Audio Input and Audio Output Connections 2 8 AES3 Digital Input and Output 2 10 Grounding 2 11 6 Conne...

Page 56: ...e Interface Connector 7 Connect to a computer You can connect to a computer via the 9400 s serial connector or via an Ethernet network You must have the 9400 PC Remote application installed on your co...

Page 57: ...ted NRSC with 10 kHz NOTCH Accurately simulates the sound of a standard NRSC receiver Also useful for remote off air monitoring because it filters out the 10 kHz whistles caused by interfering first a...

Page 58: ...OHM SOURCE and COM terminals If the output impedance is some value in between connect a resistor be tween the source s output and the Monitor Rolloff Filter s 600 OHM SOURCE terminal so that the tota...

Page 59: ...d Lift Switch can be set to connect the 9400 s circuit ground to its chas sis ground in the GROUND position In the LIFT position it breaks that connection See Set Ground Lift switch on page 2 3 The Vo...

Page 60: ...l to be interpreted as valid It is acceptable to apply current continuously to an input DC or AC Do not exceed 12 volts unless you use an external current limiting resistor that limits current to 10mA...

Page 61: ...connector 2 or 3 that is considered HIGH by the standards of your organization Connect the black wire to the pin on the XLR type connector 3 or 2 that is considered LOW by the standards of your organi...

Page 62: ...ES3 input and two AES3 outputs for two transmitters any output can alternatively be configured for digital radio netcasts The program input and out put are both equipped with sample rate converters an...

Page 63: ...e The 9400 has balanced inputs All equipment circuit grounds must be connected to each other all equipment chassis grounds must be connected together In a low RF field cable shields should be connecte...

Page 64: ...ing the control knob Recall button allows you recall a Factory or User Preset Selecting the Recall button does not immediately recall a preset See step 15 on page 2 22 for instructions on recalling a...

Page 65: ...rocessed audio in units of percentage modulation or the gain reduc tion of the look ahead limiter in the digital channel in units of dB These meters can be switched to read the left right digital proc...

Page 66: ...IZED position D If you cannot defeat the STL transmitter s pre emphasis place jumpers JE and JF in the FLAT position E Replace the top cover and then replace all screws snugly Be careful not to strip...

Page 67: ...CLIPPER OFF JE JF LEFT OUTPUT RIGHT OUTPUT JE JF LEFT OUTPUT RIGHT OUTPUT FLAT PRE EMPHASIZED JB JC LEFT OUTPUT RIGHT OUTPUT JB JC LEFT OUTPUT RIGHT OUTPUT PEAK AVG Clipper Jumpers Output Pre Emphasis...

Page 68: ...ase in average modulation We therefore strongly recommend that the STL transmitter s pre emphasis be defeated freeing the STL from such potential overshoot and that the 464A be used to provide the nec...

Page 69: ...eens are self explanatory Use the NEXT and PREV buttons to navigate between screens These buttons will flash to indicate that they are active 4 Set the time date and Daylight Savings Time Skip this st...

Page 70: ...ter cutoff frequency This step sets the highpass filter bandwidth in the default transmission preset TX1 DAY A Press the NEXT button B Select the highpass filter cutoff frequency you need by turning t...

Page 71: ...l AGC such as an Orban 1100 1101 6300 8200ST OPTIMOD Studio Orban 464A Co Operator or similar AGC installed at your studio feeding the studio to transmitter link This setting appropriately defeats the...

Page 72: ...in STEREO MONO L R MONO L or MONO R modes 10 Set input operating levels In this step you set the operating levels of the 9400 to match the input levels it is receiving so the 9400 s AGC can operate i...

Page 73: ...d using program material because it automatically takes into account any bounce overshoot and ringing in the transmission plant A tone setup can cause overmodulation with program material unless the m...

Page 74: ...tically change presets on a time date schedule use a GPI input to trigger preset changes modify presets to customize your sound and store these presets as User Presets Preset names are just suggestion...

Page 75: ...tructions on how to set up the 9400 If QUICK SETUP does not fully address your setup needs or if you wish to customize your system beyond those provided with QUICK SETUP then you may need the addi tio...

Page 76: ...rmal indication of the studio meters this is quite different from the actual peak level If you know the reference VU or PPM level that will be presented to the 9400 set the reference level to this lev...

Page 77: ...hannel Balance Skip this step if the channels are already satisfactorily balanced 3 dB to 3dB on right channel only 0 1 dB steps Adjust the R CH BAL control to achieve correct left right channel balan...

Page 78: ...o not affect any output emitting the HD processed signal Once you have selected a transmission preset that preset will be active until you explicitly select another via the front panel remote control...

Page 79: ...qual izer to do this by setting the HF curve to NRSC Some broadcasters have now chosen to reduce their output bandwidth below the NRSC limit voluntarily Setting the output bandwidth to 7 0 kHz or belo...

Page 80: ...ure analog output s Skip this step if you will not be using the analog output s A Navigate to SETUP IO CALIB OUTPUT ANALOG1 If necessary use the NEXT button to scroll horizontally B Set the SOURCE to...

Page 81: ...material that is insufficiently dithered for these lower word lengths see the next step G Adjust DITHER to IN or OUT as desired In or Out When set to In the 9400 adds high pass dither before any trunc...

Page 82: ...0 b Turn the transmitter on c Set the control you adjusted in step a to produce 40 modulation This leaves 2 dB of headroom to accommodate overshoot in the transmis sion plant This should suffice for m...

Page 83: ...m tilt and ringing at all frequencies in the sweep you do not need to set up the transmitter equalizer in steps 12 through 13 H a below Otherwise you must do so to achieve the high est loudness and co...

Page 84: ...Preset Description of the TX EQ Controls LF FREQ Determines the frequency at which the response of the Tilt Equalizer section of the Transmitter Equalizer is up approximately 3dB This control is only...

Page 85: ...DIFY TX PRESET TX1 DAY G If necessary press NEXT until you see the screen containing the four L R transmitter equalizer controls H Review the RF envelope display Many transmitters particularly older d...

Page 86: ...s bypassing the highpass filter s in the input stage of the transmitter It also may require replacing coupling capacitors with capacitors of a larger value In other cases fun damental inadequacies in...

Page 87: ...ringing and over shoot The L R HF DELAY and L R HF FR controls interact First adjust the L R HF FR control until any ringing is reduced to the same level as the flat part of the square wave you will...

Page 88: ...a mono mode After you have set up the CQUAM exciter for best separation without any audio processing by following its manufacturer s instructions you should trim the 9400 s L R HF FR and L R HF contr...

Page 89: ...tive output c Change the setting of the POLARITY control d Navigate to SETUP MODIFY TX PRESET TX1 DAY G Set the POS PEAK control to 100 The 100 setting yields the cleanest sound See page 1 16 for an e...

Page 90: ...een full tilt correction and these other problems may have to be achieved by careful experimentation with program material The 9400 s L R LF GN control is designed to permit such a compromise The prec...

Page 91: ...vel to match the clipping level of the digital radio input Re fer to the transmitter manufacturer s instructions to obtain the correct level IMPORTANT Do not use the output level control to turn down...

Page 92: ...en D Optional Press the STATION ID button to specify your station s identifier call sign or call letters a Use the knob to select characters Use the PREV and NEXT buttons to move the cursor b When you...

Page 93: ...r automation event or by another ac tion such as a user s interacting with the front panel or PC Remote soft ware E For all events a Press the SELECT EVENT button b Turn the knob to set the desired ev...

Page 94: ...store your edits 5 To delete an event A Press the DELETE EVENT button B Choose the event to delete with the knob C When you have located the event you want to remove press the DELETE EVENT button Thi...

Page 95: ...er the next time that PC Remote starts up it will automatically clean up any orphaned files To Create a Passcode A Navigate to SETUP SECURITY ADD PASSCODES If the front panel is already password prote...

Page 96: ...ss the YES soft button to delete the passcode Press the NO or ESCAPE buttons to abort deleting the passcode To Lock the Front Panel Immediately After you have adjusted the processor to maximize securi...

Page 97: ...ou set at the 9400 s front panel Once your PC is connected to the 9400 you will be able to access the 9400 functionality corresponding to the security level of your passcode If you have not set a pass...

Page 98: ...Input Digital J 17 selects the digital input and applies J 17 de emphasis to it Bypass switches the Bypass Test Mode on the air Tone switches the Tone Test Mode preset on the air Exit Test If a test p...

Page 99: ...the talent or operator Reset Clock To Hour resets the internal clock to the nearest hour For example 3 03 10 would be reset to 3 00 00 while 3 53 40 would be reset to 4 00 00 Use this function to peri...

Page 100: ...set the digit to the desired value Repeat until you have selected all the numbers in the subnet mask assigned by your network administrator c Press the SAVE soft button to confirm your setting D Set...

Page 101: ...cters in the initialization string F Press the SAVE soft button to confirm your setting 3 Modem setup You will need two modems and two available phone lines one for your PC and one for your 9400 Orban...

Page 102: ...on PuTTY Release 0 55 http www chiark greenend org uk sgtatham putty A Start PuTTY The SESSION window appears B Click the TELNET button which is hard wired for Port 23 C In the TERMINAL category check...

Page 103: ...erfacing automation systems to the 9400 Valid commands are in either upper or lower case not a combination Only one valid command is permitted per line The 9400 will not respond to unrecognized comman...

Page 104: ...have access to the Windows install disk s or have their im age copied onto your computer s hard drive before you attempt to use the 9400 PC Remote application In all cases regardless of whether your...

Page 105: ...t Run on your com puter and type X setup where X is the drive letter of your CD drive Follow the prompts on your screen to install the PC Remote software automatically on your computer You might have...

Page 106: ...your 9400 through your LAN or VPN through a WAN or the Internet consult your network administrator Note that to cross subnets you must specify a gateway If the PC and 9400 are on the same subnet then...

Page 107: ...meserver fails due to network overload or other problems your Optimod will try once per hour to synchronize un til it is successful C Set the OFFSET to the difference in hours between your time zone a...

Page 108: ...er the time server s IP address for example 192 43 244 18 If you specify the timeserver from PC Remote you can specify either its named address for example time nist gov or its IP address 4 Specify th...

Page 109: ...E ZONE tab B Set time zone to correspond to your local time zone C In Windows navigate to the CONTROL PANEL DATE AND TIME INTERNET TIME tab D If you are running Windows XP a Check Automatically synchr...

Page 110: ...your Optimod s clock with your computer s clock F It is wise to disconnect from PC Remote and then to press the SYNC NOW but ton on your Optimod step 4 B on page 2 56 This is to test the ability of yo...

Page 111: ...Using Windows 2000 Direct Serial Connection Ordinarily a direct serial connection through a null modem cable is used only when you are controlling one 9400 per available COM port on your computer If...

Page 112: ...eate a New Windows 2000 Direct Connection a Launch 9400 PC Remote b Choose Connect New 9400 c Give your 9400 a name e g KABC by en tering this name in the 9400 Alias field d If you wish to have 9400 P...

Page 113: ...ion j Click Next k Select either For all users or Only for myself The correct setting depends on how your network and security are configured Your wizard may not display this field if your computer is...

Page 114: ...Click Yes B Edit your new Direct Connection properties a Click Settings b Click the General tab c Select the device you set up in step i on page 2 61 This will usually be Communications cable between...

Page 115: ...lect the Networking tab j Make sure that PPP Windows 95 98 NT 4 2000 Internet appears in the Type of dial up server I am calling field k Make sure that Internet Protocol TCP IP is checked You may leav...

Page 116: ...hooting Windows 2000 Direct Connect on page 5 9 If you have trouble the first time after creating a connection according to the instructions above try restarting your computer to clear its serial port...

Page 117: ...you wish to have 9400 PC Remote remember the password for this Optimod enter the password in the Password field e Select Serial Connection f Click the Add button g Choose Connect directly to another c...

Page 118: ...2 66 INSTALLATION ORBAN MODEL 9400 k Type in a name for your Connection such as Connection to 9400 l Click Finish m Click Yes B Edit your new Direct Connection properties a Click Settings...

Page 119: ...he device you set up in step i on page 2 65 This will usually be Communications cable between two computers COM1 d Click Configure e Set the Maximum Speed bps to 115200 f Check Enable hardware flow co...

Page 120: ...emote application see To set up a new connection on page 3 61 choosing this connection from 9400 PC Remote automatically opens a Windows Direct Connec tion to your 9400 You can connect by selecting th...

Page 121: ...l port with a standard not null modem ca ble The cable provided with your 9400 is a null modem cable and will not work You can use either an internal or an external modem with your PC A Connect the te...

Page 122: ...modem is Attached to the correct port If your modem is unavailable or not attached to the correct port you will need to Add it See your Windows documentation f If your modem is available in the list...

Page 123: ...you wish to have 9400 PC Remote remember the password for this Optimod enter the password in the Password field e Select Serial Connection f Click the Add button g Select Dial up to private network h...

Page 124: ...yself The correct setting depends on how your network and security are configured This screen may not appear in computers set up for single users l Click the Next button m Type in a name for your Conn...

Page 125: ...TALLATION 2 73 D Edit your new Direct Connection prop erties a Click Settings b Click the General tab c In the Connect using field select the modem you will be using to make the connection on the PC s...

Page 126: ...ke sure that all other boxes are not checked j Click OK k Select the Networking tab l Make sure that PPP Windows 95 98 NT 4 2000 Internet appears in the Type of dial up server I am calling field m Mak...

Page 127: ...ion according to the instruc tions above try restarting your computer to clear its serial port 3 To change the properties of an existing connection Right click the connection in the connection List wi...

Page 128: ...ndows XP modem connection on page 2 80 B Install the Windows XP modem a Use either an internal modem or external modem with your computer If you are using an external modem connect the modem to a seri...

Page 129: ...d d If you wish to have 9400 PC Remote remember the password for this Optimod enter the password in the Password field You must enter a valid password to connect This means that at least one 9400 pass...

Page 130: ...ORBAN MODEL 9400 j Enter the phone number of the modem connected to the 9400 you are setting up k Click Next l Type in a name for your Connection such as Connection to 9400 Modem m Click the Finish b...

Page 131: ...AM DIGITAL INSTALLATION 2 79 D Edit your new Direct Connection proper ties a Click Settings b Click the General tab c Select the modem you will be using to make the connection on the PC side d Click C...

Page 132: ...ype of dial up server I am calling field m Make sure that Inter net Protocol TCP IP is checked You may leave Cli ent for Microsoft Networks checked if you like n Click OK o When the Connection propert...

Page 133: ...The software version number of PC Remote must be the same as the version number of the software running within your 9400 If the software version of PC Remote is higher than the version running in you...

Page 134: ...y and your 9400 s rebooting Your 9400 will continue to pass audio normally while the update is occur ring However the audio will be interrupted for approximately 3 seconds when your 9400 reboots Do no...

Page 135: ...inactive Control Knob is used to change the setting that is selected by the soft buttons To change a value you ordinarily have to hold down a soft button while you are turning the control knob Recall...

Page 136: ...ow the threshold set by the AGC gate threshold control via the Full Modify screen s AGC GATE control When this happens the AGC s recovery time is slowed to prevent noise rush up during low level passa...

Page 137: ...namic range relatively slowly in a manner similar to riding the gain Limiting and clipping on the other hand reduce the short term peak to average ratio of the audio Limiting increases audio density I...

Page 138: ...vel to the clipper which causes the average level and thus the loudness to decrease proportionally Receiver high frequency rolloff introduces further complications A typical receiver s severe HF rollo...

Page 139: ...metric sections each with non interacting control over the amount of EQ in dB the bandwidth and the center frequency They are used to color the audio to achieve a signature sound for the station The a...

Page 140: ...put are not relevant because receiver design makes them impossible to achieve Instead the goal of processing should be to deliver the highest subjective quality through this limited transmission chann...

Page 141: ...hort of ultimate loudness it will tend to compensate with an openness depth and punch even on small radios that cannot be obtained when the signal is excessively squashed On the other hand if many lis...

Page 142: ...kbps while the bit rate in the Digital Radio Mondiale DRM system varies according to transmission mode but is also low HD AM uses the HDC codec while DRM uses the aacPlus MPEG HE AAC codec Both codec...

Page 143: ...e tunes the processing for an average 2 5 kHz audio bandwidth radio In the HD processing channel Orban s PreCode technology minimizes codec arti facts To exploit this technology fully do not set up th...

Page 144: ...how to improve source quality A high quality monitor system is essential To modify your air sound effectively you must be able to hear the results of your adjustments Maintaining Audio Quality in the...

Page 145: ...ely complementary to the frequency response of the HF Equalizer with HF CURVE set to 0 See Figure 3 1 on page 3 33 and Figure 2 5 on page 2 6 Because the filter shelves off at high frequencies to matc...

Page 146: ...ecially if they are located near the transmitter If the station monitor driven through OPTIMOD AM s monitor rolloff filter sounds clean but your radio audio is distorted don t trust the radio If the G...

Page 147: ...station cannot be judged louder than another can unless it is consistently louder on many different receivers with many different types of program material Because a wideband radio reproduces more of...

Page 148: ...stomize the Factory Preset to your re quirements Basic Modify and Full Modify A third level Advanced Modify is accessi ble only from the 9400 s PC Remote software The 9400 is essentially two processor...

Page 149: ...t as with any processor processing artifacts will increase Please note that the highest LESS MORE setting is purposely designed to cause un pleasant distortion and processing artifacts This helps assu...

Page 150: ...preset s multiband dynamics parameters in Full Modify or Advanced Modify LESS MORE control is no longer available in Basic Modify and will be grayed out if you access its screen As noted above we rec...

Page 151: ...compressor has run out of gain reduction range that the circuitry is being overloaded and that various nastinesses are likely to commence Because the various compressors have 25 dB of gain reduction r...

Page 152: ...t Ar chived presets reside on a storage medium supported by your computer while saved presets reside in the 9400 s local non volatile memory You cannot archive a preset until you have saved it See To...

Page 153: ...erase or otherwise dam age the Factory Presets So feel free to experiment The 9400 s main presets are the so called analog AM presets which can be either Factory Presets or User Presets that you have...

Page 154: ...g LESS MORE will continue to be available even if that HD preset has been im ported into a User Preset and you are editing that User Preset Moreover you can freely create multiple generations of User...

Page 155: ...e one exception to the wideband narrowband switching is the HF shortwave presets All HF presets are narrowband The lowpass filter cutoff frequency is set to 4 5 kHz in the preset itself and this will...

Page 156: ...time It is intended for play by play sports programming where crowd noise is part of the mix Compared to NEWS the AGC is operated with a slower release time to avoid pumping up crowd noise as much as...

Page 157: ...e expense of some bass distortion MW stations seeking to increase their coverage and to cut through co channel interference are appropriate candidates for this preset This preset is tuned for the typi...

Page 158: ...K SOFT 7 0 GOLD GOLD 9 5 GREGG GREGG 9 5 GREGG OPEN GREGG OPEN 9 5 GREGG LBR GREGG LBR 9 5 IMPACT IMPACT 9 5 INSTRUMENTAL JAZZ 7 0 JAZZ JAZZ 7 0 LOUD BIG LOUD BIG 9 0 LOUD FAT LOUD FAT 7 0 LOUD HOT LO...

Page 159: ...and has a bright high frequency texture As LESS MORE is turned down this preset get quieter yet punchier EDGE This preset is designed for hit music stations that prefer extremely punchy bass to fasti...

Page 160: ...e so it is a good choice for stations that want listeners to stay all day Note that stations programming smooth jazz should investigate the SMOOTH JAZZ preset which is louder and more commercial sound...

Page 161: ...nsure that vocals stand out A modest amount of high frequency coupling determined by the BAND COUPLING 3 4 setting allows reasonable amounts of automatic HF equalization to correct dull program materi...

Page 162: ...ly competitive Urban stations might also use LOUD HOT BASS or LOUD SLAM modified versions of LOUD HOT that maximize bass punch Equalizer Controls The table summarizes the equalization controls availab...

Page 163: ...ceivers it is possible to create severe distor Equalizer Controls Group Basic Full Modify Name Advanced Name Range BASS FREQ Bass Frequency 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 160...

Page 164: ...Equalizer is a specially designed parametric equalizer whose boost and cut curves closely emulate those of a classic Orban analog para metric equalizer with conventional bell shaped curves within 0 1...

Page 165: ...strong RF signal free from selective fading to its listeners then such an organization may still wish to boost bass slightly It is important to understand that the effect of the bass equalizer is rela...

Page 166: ...Drive control up the MID GAIN control will have progressively less audible effect The compressor for the midrange bands will tend to reduce the effect of the MID frequency boost in an attempt to keep...

Page 167: ...f in average AM radios The typical AM radio is down 3dB at 2kHz and rolls off at least 18dB octave after that The HF equalizer provides an 18dB octave shelving pre emphasis that can substantially impr...

Page 168: ...stment An HF CURVE setting of 5 provides the curve family associated with the YELLOW pre emphasis module in Orban s analog 9100 series OPTIMOD AM processors With the HF CURVE control at any setting ot...

Page 169: ...significant gain reduction and you will hear less bass boost than if the fundamental frequency were a bit higher If the MB GATE THRESH Gate Threshold control is turned OFF the DJ BASS boost set ting i...

Page 170: ...tric techniques for encoding the spatial attributes of the sound field Stereo enhancement can unnecessarily stress this encoding process Both modes have gating that operates under two conditions The t...

Page 171: ...ssible only from 9400 PC Remote software These controls are explained in detail below AGC AGC Off On control activates or defeats the AGC It is usually used to defeat the AGC when you want to create a...

Page 172: ...s it is purposely speeded up with the AGC RELEASE control the automatic gain control AGC that occurs in the AGC prior to the multiband compressor makes audio levels more consistent without significant...

Page 173: ...measure was percent The AGC processes audio in a master band for all audio above approximately 200 Hz and a bass band for audio below approximately 200 Hz Starting with V1 1 software the AGC Master a...

Page 174: ...the size of the target zone window in the AGC If the input level falls within this target zone the AGC release time is set to the num ber specified by the AGC WINDOW RELEASE control This is usually m...

Page 175: ...imarily determined by the AGC DRIVE setting a setting of 10 dB will ordinarily produce an idle gain of 10 dB i e 10 dB of gain reduction How ever sometimes you may not want the idle gain to be the sam...

Page 176: ...nding on the setting of the LESS MORE control in the parent preset on which you are basing your Modify adjustments This provides headroom for contributions from the other three bands so that bass tran...

Page 177: ...how squared off the clipped bass waveforms become See Clip Shape on page 3 44 LLHARD differs in two ways from the normal HARD mode of the bass clipper LLHARD automatically defeats the compressor look...

Page 178: ...per Threshold AM chain only sets the threshold of the multiband clipper in band 5 with reference to the final clipper threshold in dB This clipper helps prevent distortion in the final clipper when th...

Page 179: ...rd to eliminate them We do not recommend operating this control above 0 because this would reduce the effectiveness of the distortion cancellation used in earlier processing However you can reduce it...

Page 180: ...ols are accessible only from 9400 PC Remote software The tables below summarize the Multiband and Band Mix controls in the dynamics sections for both analog AM and HD AM MB DRIVE Multiband Drive contr...

Page 181: ...lease time of the multiband compressor is set to its faster settings the setting of the MULTIBAND DRIVE control becomes much more critical to sound quality because density increases as the control is...

Page 182: ...bly altered to a standard Bass has an ever present punch there is always a sense of pres ence and highs are in perfect balance to the mids no matter what was on the original recording The Fast setting...

Page 183: ...he first affects the AGC and the second affects the analog AM multiband compressor and the third affects the HD AM multiband compressor Each has its own threshold control The multiband compressor gate...

Page 184: ...he single ended noise reduction system combines a broadband down ward expander with a program dependent low pass filter These func tions are achieved by introducing extra gain reduction in the multiba...

Page 185: ...p ping distortion on esses In the HD chain the B5 compressor is useful both as a de esser and as a means to prevent excessive high frequency energy from being applied to a low bit rate codec minimizin...

Page 186: ...that you can tune each band independently and have it sound the same when the clipping system is processing all bands simultaneously B1 B5 Attack Time controls set the speed with which the gain reduct...

Page 187: ...hanges you make in the MULTIBAND RELEASE control In our example the release time in band 3 will always be two click stops slower than the setting of the MULTIBAND RELEASE control If your setting of a...

Page 188: ...detector will auto matically set it to MEDIUM when speech is detected and HARD otherwise unless LATENCY is LOW in which case MEDIUM bass clipping is unavailable and bass clipping will stay HARD Speec...

Page 189: ...in the digital radio processing chain has its own set of user adjustable parameters that are independent of the parameters of the five band lim iter in the AM analog transmission chain This allows you...

Page 190: ...omatically adjusted so that it always exactly 5 778 ms longer than the AM output s delay regardless of the AM output s delay which can vary depending on processing settings Therefore the HD Radio exci...

Page 191: ...lay and is suitable for driving talent headphones Out Level sets the level of its associated digital channel output with respect to digi tal full scale Samp Rate sets the output sample rate of a given...

Page 192: ...ssed signal The 9400 does not set the AES3 stereo mono status bits to reflect the setting of this control The AES3 status bits appearing at the digital radio output are always set stereo even when the...

Page 193: ...B5 Attack Time See page 3 52 B1 B2 Xover Band 1 to Band 2 Crossover Frequency see page 3 53 Band 1 5 MaxDeltGR controls set the maximum permitted gain difference be tween the left and right channels f...

Page 194: ...ive crossfades between the analog and digital channels in the radio To brand your station s sound you can choose the precise coloration you want on the digital channel You can still take ad vantage of...

Page 195: ...efault the installer installs a short cut to 9400PC exe on your desktop and in your Start Menu under Orban Optimod 9400 9400 PC Remote can control only one 9400 at a time but it can readily switch be...

Page 196: ...essful a dialog bubble will appear on the bottom right hand corner of the screen verifying your connection If a warning message appears stating No password is set at the 9400 go to your 9400 unit and...

Page 197: ...ox to select it C Double click the desired preset or select it and click the RECALL PRESET button to put it on air Continually clicking the RECALL PRESET button will toggle between the current and pre...

Page 198: ...ion options prevent archived presets system files and auto mation files from being restored if the user does not have the password used for the encryption There is no back door Orban cannot help you t...

Page 199: ...the new controls with the default values unless you edit any of these values before you re archive the preset A Select RESTORE FROM PC from the FILE menu A standard Windows dialog box will open B Sel...

Page 200: ...rol click it it will become highlighted and then use the wheel on the mouse to adjust it You can also use the and keys on the numeric keypad to adjust any control To modify AUTOMATION C Choose AUTOMAT...

Page 201: ...e backed up the 9400 using 9400 PC Remote there will also be a backup subfolder located within the Alias folder Archived user preset files are text files and can be opened in a text editor like Notepa...

Page 202: ...oftware will not be located in the same place as the old Aliases To Move Alias Folders Even though each version of 9400 PC Remote can see all aliases you may wish to move the corresponding folders so...

Page 203: ...r a Backup directory that you have accidentally deleted in this way To share an archived User Preset between 9400s A Navigate to the directory containing the desired User Preset from within the RESTOR...

Page 204: ......

Page 205: ...hat the 9400 is at fault The troubleshooting information in Section 5 will help you determine if the problem is with OPTIMOD AM or is somewhere else in the station s equip ment 3 Periodically check fo...

Page 206: ...at the jumper pins unseat without bending or breaking B Detach the front panel from the unit a Disconnect the three wire cable at the back of the encoder b Detach the ground lug that connects the pane...

Page 207: ...ng the base board to the I O board H Disconnect the ribbon cable connecting the base board to the DSP board I Disconnect the ribbon cable connecting the power supply to the base board J Using a 1 Phil...

Page 208: ...rd to the power transformer If present remove the white fasteners that tie the two cables to the power supply board C Remove the ribbon cables connecting the power supply to the base board DSP board a...

Page 209: ...tions in reverse 12 Replacing the RS 232 Board Referring to step 3 follow the instructions in reverse 13 Replacing the Front Panel Assembly A Set the display assembly in place so that it aligns with i...

Page 210: ...with the operation of this equipment This procedure is useful for detecting and diagnosing problems with the 9400 s per formance It includes checks of frequency response noise and distortion perform...

Page 211: ...to set the 9400 s software controls to their de fault settings as follows a Navigate to SETUP IO CALIB ANLG IN CALIB After writing down the old settings so you can restore them later set controls as f...

Page 212: ...approximately 7 6 For 230 volt operation the resistance should be approximately 27 Number of Red Flashes Problem With 1 unregulated supply 2 15V or 15V 3 5V or 5V 4 5V Digital 5 Analog Digital ground...

Page 213: ...default settings Refer to step 1 B on page 4 7 B Feed the 9400 output with the built in 400 Hz test tone a Navigate to SETUP TEST b Set the MODE to TONE C Connect the audio voltmeter to the Left Anal...

Page 214: ...analyzer to the Left Analog Output 1 XLR connector Set the THD analyzer s bandwidth to 22 kHz D Connect the oscillator to the Left Analog Input XLR connector E For each frequency used to measure THD a...

Page 215: ...88 2 kHz and 96 kHz and verify that the frequencies measured at the 9400 s AES3 output follow the values in the chart below within given tolerances Sample Rate Tolerance PPM Tolerance Hz 32 0 kHz 100...

Page 216: ...te to SETUP IO CALIB OUTPUT ANALOG1 SOURCE and set the 9400 s left Analog Output 1 to emit the analog AM signal g Verify that combined noise and distortion are below 0 1 h Repeat steps f and g for the...

Page 217: ...trol The 9400 ordinarily controls peak modulation to an accuracy of 2 This accuracy will be destroyed if the signal path including the STL and transmitter following the 9400 has poor transient respons...

Page 218: ...control to 18 dBu or lower or the DOx Out control to 2 0 dBfs or lower If you have a tube type transmitter with high level plate modulation the modulator tubes may be flat Audible Distortion On Air Ma...

Page 219: ...limiting Unfortunately some CDs are now mastered with so much compression limiting and clipping that they cause codecs to misbehave without further processing in the broadcast chain Until the broadcas...

Page 220: ...quencies Dull Sound A narrowband antenna that truncates higher modulating frequencies is the most likely cause Inappropriately low settings of the HF EQ control can also cause it In addition bear in m...

Page 221: ...ctly above for an explanation These tones should be injected into the transmitter after the 9400 or the 9400 should be temporarily switched to BYPASS to pass the tones System Receiving 9400 s Digital...

Page 222: ...codecs To use the B5 compressor in the 9400 s digital radio processing channel to control these artifacts set the B5 MAXDELTGR to 0 to minimize the amount of L R energy that the processing adds at hig...

Page 223: ...eate an on air sound that is audibly superior to transmitters of older design because the new transmitters have dramatically lower nonlinear distortion This improvement is not subtle and is read ily a...

Page 224: ...using a null modem cable C Ensure that the null modem cable is connected to the 9400 s serial connector If your Modem Connect does not work A Ensure that the modem cables and phone lines are connected...

Page 225: ...he Network Connections screen B In the Network Connections window right click Optimod 9400 Direct and choose Properties C The Properties window opens for Optimod 9400 Direct D Click the Networking tab...

Page 226: ...s on some older PCs are incapable of communications at this rate and may not work reliably Most newer PCs use 16550 compatible UARTS which support the 115200 bps rate If you do see this warning messag...

Page 227: ...et Protocol TCP IP M Select Internet Protocol TCP IP and then click the Properties button The Internet Protocol TCP IP Properties window opens N Choose Obtain an IP address automatically and Obtain DN...

Page 228: ...ss automatically and Obtain DNS server address automatically J Click the Advanced button on the Internet Protocol TCP IP Window K In the Advanced TCP IP Settings select the General Tab make sure that...

Page 229: ...opamps are operated such that the characteristics of their associated circuits are essentially independent of IC characteristics and dependent only on external feed back components The feedback force...

Page 230: ...ry service please notify Customer Service by telephone before you ship the product this helps us to be prepared to service your unit upon arrival When you return a product to the factory for service w...

Page 231: ...ove use more packing Seal the carton with 3 inch 8 cm reinforced fi berglass or polyester sealing tape top and bottom in an H pattern Narrower or parcel post type tapes will not withstand the stresses...

Page 232: ......

Page 233: ...ined by user settable low pass filter Noise Output noise floor will depend upon how much gain the processor is set for Limit Drive AGC Drive Two Band Drive and or Multiband Drive gating level equaliza...

Page 234: ...band compressors and peak limiters in the two paths are separately and independently adjustable Processing Delay processing for analog modulation approximately 17 ms Processing Delay processing for d...

Page 235: ...of stereo mono from left mono from right or mono from sum Sampling Rate 32 44 1 48 88 2 or 96 kHz automatically selected Connector XLR type female EMI suppressed Pin 1 chassis ground pins 2 and 3 tran...

Page 236: ...operating voltage ranges Humidity 0 95 RH non condensing Dimensions W x H x D 19 x 3 5 x 14 25 48 3 cm x 8 9 cm x 36 2 cm Two rack units high Humidity 0 95 RH non condensing RFI EMI Tested according t...

Page 237: ...mory is non volatile and does not rely on a battery to retain information when mains power is off The flash memory holds the operating system the Orban executable program and all preset files both fac...

Page 238: ...port and an Ethernet port allow you to connect a modem or computer to the 9400 Front panel pushbut ton switches select between various operational modes and functions A rotary en coder allows the user...

Page 239: ...le ON time The rows are multi plexed at a fast rate so that the meters appear continuously illuminated Via the ISA bus the DSP sends meter data values to the control microprocessor which sends the app...

Page 240: ...ives the input signal R110 114 and quad analog switch IC101 make up the circuit that sets the gain of IC100 The switches in IC101 set the gain of the in strumentation amplifier by switching resistors...

Page 241: ...al to analog D A converter converts the digital audio words generated by the DSP to analog audio The analog output stages scale and buffer the D A output signal to drive the analog output XLR connecto...

Page 242: ...converts the 64 kHz 9400 system output sample rate to any of the standard 32 kHz 44 1 kHz 48 kHz 88 2 kHz and 96 kHz rates The SRC chip drives a digital audio interface transmitter to encode digital a...

Page 243: ...eplaced with equivalent types to ensure proper operation of the switch ing supply The output of the power supply is monitored by the power indicator LED circuit which causes the power LED to flash acc...

Page 244: ...nel a form of digital radio commercialized by iBiquity Corporation where the digital carriers use a form of COFDM modulation and share the frequency alloca tion of the analog carriers Also known by it...

Page 245: ...sion of a part in this list does not imply that the part is field replaceable See the following assembly drawings for locations of components Obtaining Spare Parts Special or subtle characteristics of...

Page 246: ...1 140 01 RESISTOR 14 0K 0805 R58 64 20131 301 01 RESISTOR 30 1K 0805 R72 20132 100 01 RESISTOR 100K 0805 R1 R2 R3 R7 R8 R9 R10 R11 R12 R13 R14 R20 R27 R29 R31 R32 R34 R36 R38 R40 R66 R85 R86 R87 R88 R...

Page 247: ...2 X 5 J12 27421 016 01 CONNECTOR HEADER STR 0 23 2 X 8 J13 27426 003 01 CONNECTOR HEADER 3 PIN SINGLE ROW J11 27451 005 01 CONNECTOR STR DOUBLE ROW 26 PIN J4 27451 024 01 HEADER STR DOUBLE ROW PCMOUN...

Page 248: ...C15 C16 C18 22101 001 01 DIODE 1N4148WT R D1 D2 D3 24331 025 01 IC VOLTAGE REGULATOR LT1963 2 5 SOT223 U14 24331 033 01 IC VOLTAGE REGULATOR LT1963 3 3 SOT223 U15 24541 000 01 IC SDRAM MT48LC16 TSOP54...

Page 249: ...MOUNT 1 POSITION 0 240 HIGH H1 H2 H3 H4 20020 025 01 RESISTOR W 0 OHM JUMPER R1 21129 410 01 CAPACITOR AXIAL LEADS 0 1uF 50V 20 C6 C10 C11 C12 C15 C19 C20 C21 21227 710 01 CAPACITOR RADIAL LEADS 100uF...

Page 250: ...LE ROW J6 OPTIONAL FAN CONNECTOR 27451 003 01 HEADER STR DOUBLE ROW PCMOUNT J3 27451 004 01 HEADER STR DOUBLE ROW PCMOUNT J4 27451 024 01 HEADER STR DOUBLE ROW PCMOUNT J5 27493 000 01 CONNECTOR VERTIC...

Page 251: ...1 8W 1 1 62K SMT R132 R153 R156 R157 R502 20130 210 01 RESISTOR METAL FILM 1 8W 1 2 10K SMT R112 R127 20130 348 01 RESISTOR METAL FILM 1 8W 1 3 48K SMT R204 R210 R217 R220 R245 R246 R279 R280 R281 R28...

Page 252: ...ESISTOR METAL FILM 1 8W 1 75 0OHM R158 R530 R604 R605 R606 20131 825 01 RESISTOR METAL FILM 1 8W 1 82 5K SMT R104 R123 R203 R209 R213 R216 R269 R272 R275 R278 20040 100 01 RESISTOR 1 8W 1 100 OHM R257...

Page 253: ...PIN DIP IC213 IC214 IC219 IC220 27054 003 01 CONNECTOR RT PC FEMALE XLR J100 J103 J500 29506 001 01 FERRITE BEAD ON WIRE L500 L501 29508 210 01 FILTER EMI 50V 1000PF L100 L102 L104 L106 L200 L201 L202...

Page 254: ...22 TECHNICAL DATA ORBAN MODEL 9400 PART DESCRIPTION COMPONENT IDENTIFIER 27147 008 01 DIP 8P SOCKET IC100 IC102 IC213 IC214 IC219 IC220 27147 016 01 DIP 16P SOCKET IC101 IC103 32261 000 01 CIRCUIT BOA...

Page 255: ...1 01 FERRITE BEAD ON WIRE L1 L2 L3 L4 24335 000 01 IC LOW NOISE REGULATOR 100mA 3 3V SMT IC1 29015 000 01 XFMR SC937 02 SMT T1 T2 27053 003 01 CONNECTOR RT PC MALE XLR J1 J2 DSP Board PART DESCRIPTION...

Page 256: ...24857 000 01 IC 74HC374 DLATCH SOL20 IC504 24944 000 01 IC EPM 7064AETC44 10 SMT IC503 24945 000 01 IC 74AHC541 OCTLBUF SOL20 IC501 24946 000 01 IC 8 BIT DUAL TRANSVR W 3 IC502 24948 000 01 IC 74LVC22...

Page 257: ...2 C10 21313 568 01 CAPACITOR TANTALUM 6 8uF 25V 10 C1 24851 000 01 IC SOL20 SURFACE MOUNT IC8 24857 000 01 IC 74HC374 DLATCH SOL20 IC3 24900 000 01 IC HEX INVERTER SURFACE MOUNT IC7 24905 000 01 IC CM...

Page 258: ...e and RS 232 daughterboard Contains Parts Locator Drawing 6 30 System Connections Schematic 1 of 4 6 31 CPU module interface Schematic 2 of 4 6 32 Power Supply Monitor Schematic 3 of 4 6 33 CPLD Gener...

Page 259: ...dio Inter face ESAI Schematic 1 of 7 6 53 DSP Host Interface Schematic 2 of 7 6 54 DSP Serial Peripheral Interface Power and Ground Schematic 3 of 7 6 55 ISA Bus 8 bit I O Schematic 4 of 7 6 56 Serial...

Page 260: ......

Page 261: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 29...

Page 262: ...6 30 TECHNICAL DATA ORBAN MODEL 9400 Base Board Parts Locator Drawing for schematic 62165 000 06...

Page 263: ...VD FP_D7 FP_D6 FP_D5 FP_D4 FP_D3 FP_D2 FP_D1 FP_D0 R86 100K R87 100K R88 100K R89 100K R90 100K R91 100K R92 100K R93 100K FP_D7 FP_D6 FP_D5 FP_D4 FP_D3 FP_D2 FP_D1 FP_D0 R7 100K R8 100K R9 100K R10 1...

Page 264: ...A17 SA18 SA19 SA20 SA21 SA22 SA23 2 1B 2 1B 2 1B 2 1B 3 7C 3 7C 3 7C F E F1 E1 F2 E2 F3 E3 F4 E4 F5 E5 F6 E6 F7 E7 F8 E8 F9 E9 F10 E10 F11 E11 F12 E12 F13 E13 F14 E14 F15 E15 F16 E16 F17 E17 F18 E18 F...

Page 265: ...V RAW 3 6D 3 6D 301 R77 1 2 10 0 1uF C38 DGND OUTPUT SENSE ERROR GND N C INPUT SHUTDOWN DELAY 5 6 7 4 8 2 3 1 U20 LP2987IM 5 0 332K R78 1 2 0 1uF C39 A K D11 A K D12 1 00K R79 1 2 3 J11 10 0K R80 10 0...

Page 266: ...N C N C RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RE...

Page 267: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 35 CPU Module...

Page 268: ...41 140 139 138 135 134 133 132 131 130 129 128 3 2 1 144 143 142 AD31 AD30 AD29 AD28 AD27 AD26 AD25 AD24 AD23 AD22 AD21 AD20 AD19 AD18 AD17 AD16 AD15 AD14 AD13 AD12 AD11 AD10 AD09 AD08 AD7 AD6 AD5 AD4...

Page 269: ...GPA17 GPA18 GPA19 GPA20 GPA21 GPA22 GPA23 GPA24 GPA25 GPD0 GPD1 GPD2 GPD3 GPD4 GPD5 GPD6 GPD7 GPD8 GPD9 GPD10 GPD11 GPD12 GPD13 GPD14 GPD15 PIO0 GPALE PIO1 GPBHE n PIO2 GPRdy PIO3 GPAEN PIO4 GPTC PIO5...

Page 270: ...805 C RN1 CTS 745 083102J 5 2 3 4 6 7 8 9 1 10 U2A 32 Mbit x 16 SDRAM 2 4 5 7 8 10 11 13 15 16 17 18 19 20 21 35 36 37 38 39 42 44 45 47 48 50 51 53 22 23 24 25 26 29 30 31 32 33 34 DQ0 DQ1 DQ2 DQ3 DQ...

Page 271: ...TAG_TDI JTAG_TCK JTAG_TRst n Trig Trace Stop TX BR TC CmdAck PIO31 Ring2 n PIO30 DCD2 n DTR2 n PIO29 DSR2 n PIO28 CTS2 n RTS2 n SIn2 SOut2 Ring1 n DCD1 n DTR1 n DSR1 n CTS1 n RTS1 n SIn1 SOut1 NC1 NC2...

Page 272: ...SGnd Vref C200 See Table C202 See Table C18 10 uf low ESR U7B 74ACLV162450 SO 4 10 15 21 28 34 39 45 42 31 18 7 Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd Vcc Vcc Vcc Vcc C155 1 uf U1F AMD ElanSC520 100AC AC15 A...

Page 273: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 41 RS232 BOARD PARTS LOCATOR...

Page 274: ...1 OUT 6 R2 OUT 4 R3 OUT 22 R4 OUT 17 V 11 V 15 R1 IN 7 R2 IN 3 R3 IN 23 R4 IN 16 GND 8 VCC 9 U1 MAX208ECNG 5VD RESERV ED RESERV ED RESERV ED RESERV ED RESERV ED C1 0 1uF 5VD L1 3 9uH SU1 SOCKET 24 PIN...

Page 275: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 43 8300 POWER SUPPLY PARTS LOCATOR...

Page 276: ...D OUT 1 5 4 2 3 U5 LM2576T 2 1 Schottky 40v 3A CR3 1 2 100uH 3A L1 1 2 470 F 16v HFS C5 1 2 470 F 16v HFS C4 1 2 7 7uH 4A L2 2 1 Transorb 33V CR9 2 1 Transorb 22V CR13 2 1 Transorb 22V CR14 2 1 Transo...

Page 277: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 45 Input Output Board Parts Locator Drawing for schematic 62260 000 01...

Page 278: ...1000PF L102 FI LTER 1 2 3 1000PF L104 FI LTER 1 2 3 1000PF L1 06 FI LTER 20V C112 10UF 20V C131 10UF 20V C130 10UF 20V C122 10UF 20V C129 10UF 50V C118 0 1UF 50V C119 0 1UF 50V C120 0 1UF 50V C121 0...

Page 279: ...R260 100OHM 1 R261 475OHM 1 R262 47 5OHM 1 R263 47 5OHM 1 R264 47 5OHM AGN D4 35V C244 1 0UF 35V C248 1 0 UF 50V C245 0 1UF 50V C249 0 1UF 5VA 3 2 8 4 1 IC216A OPA2134UA 5 6 7 IC21 6B O PA2134UA 15V 5...

Page 280: ...5 ID C HEADER 2X13 AESI N LRCK PI CS DO A ESOU TCS2 DO UT1_FCLK DO UT1_BCLK DO UT1_DA TA S HT5 S HT5 S HT5 MCKOU T2 A ES11 EN1 SRCRS T AESI NS CLK PI CS DI AESOUT CS1 DOUT2_FCLK PI CS CK DOUT2_B CLK...

Page 281: ...Y5 9 Y4 12 Y3 14 Y2 16 Y1 18 GND 10 VCC 20 IC60 1 74AHCT244 5VD TP600 TE ST_PO I NT TP607 TEST_PO I NT 20V C645 10UF 20V C646 10UF 20V C647 10UF AOU T_F CLK S HT3 RTS S HT4 1 R600 1 0 0K 1 R601 1 00K...

Page 282: ...6 50 TECHNICAL DATA ORBAN MODEL 9400 Input Output Daughterboard Parts Locator Drawing for schematic 62280 000 01...

Page 283: ...I CSDI AE S OU T CS1 SRCRST 1 2 4 5 8 T2 SC 937 2 1 2 3 4 SHELL J2 XLR_M ALE L3 FERRIT E L4 FERRIT E PI CSCK PI CSDO 1 R2 110OHM 5VD E4 1 R5 49 9K 1 R6 49 9K E5 E6 5VD PI CS DI AE SOU T CS2 SRCRST 3 3...

Page 284: ...6 52 TECHNICAL DATA ORBAN MODEL 9400 DSP BOARD PARTS LOCATOR DRAWING 32170 000 14...

Page 285: ...B IRQB 136 MODC IRQC 135 MODD IRQD 134 IC106A DSP56362 120 SD10 11 SD11 10 FSR 13 SCKR 15 HCKR 17 EXTAL 55 CLKOUT 59 PINIT NMI 61 VCCP 45 PCAP 46 GNDP 47 SDO0 4 SDO1 5 FST 12 SCKT 14 HCKT 16 SDO2 SD13...

Page 286: ...H3 40 H2 41 H1 42 H0 43 HA2 31 HA1 32 HA0 33 HRD 22 HCS 30 HOREQ 24 HACK 23 HWR 21 RESET 44 IC107B DSP56362 120 H7 34 H6 35 H5 36 H4 37 H3 40 H2 41 H1 42 H0 43 HA2 31 HA1 32 HA0 33 HRD 22 HCS 30 HOREQ...

Page 287: ...T 138 TMS 142 SCK 1 GNDC 66 GNDH 39 GNDS 9 GNDS 26 GNDC 58 VCCC 57 VCCC 65 VCCH 38 VCCS 8 25 IC105D DSP56362 120 VCCQL 18 VCCQL 56 VCCQL 91 VCCQL 126 VCCQH 20 VCCQH 49 VCCQH 95 VCCA 74 VCCA 80 VCCA 86...

Page 288: ...I 1 2 3 4 J503 HDR 2X2 UNSHRD DSPEN0 DSPEN1 DSPEN2 DSPEN3 DSPEN4 DSPEN5 DSPEN6 DSPEN7 DSPRST BUSEN PLDEN R W START 3 3V BIOR BIOW SA0 SA1 SA2 A0 A1 A2 HRD HWR HACK J503 I O ADDRESS SPACE NONE 1 2 3 4...

Page 289: ...48 N C ML SR01 1 MODE 2 Vdd 3 Gnd 4 RST 18 MC FS1 20 MD FS0 19 XT1 6 XT2 5 Vddp 8 Vddb 16 MCKO 10 MCKO 11 RSV 9 SCK01 12 SCK02 14 SCK03 17 SCK04 13 Gndp 7 Gndb 15 IC801 PLL1700E 1 R801 10 0K 5V C801 1...

Page 290: ...1UF C752 0 1UF C753 0 1UF C754 0 1UF C755 0 1UF C756 0 1UF C757 0 1UF C758 0 1UF C759 0 1UF C760 0 1UF C761 0 1UF TP703 TP DUAL TP702 TP DUAL 3 3V 3 3V 5V RAW POWER SUPPLY CONNECTOR C762 0 1UF 1 2 3...

Page 291: ...C106C DSP56362 120 N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C 3 3V N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C N C...

Page 292: ...6 60 TECHNICAL DATA ORBAN MODEL 9400 DISPLAY BOARD PARTS LOCATOR...

Page 293: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 61 DISPLAY BOARD...

Page 294: ...W MONO R MONO SUM STEREO MONO L FILTER HIGH PASS HF ENHANCER RECEIVER EQ EQUALIZER COMPRESSOR LIMITER CONTROL COUPLING 5 BAND 5 BAND LIMITER LOOK AHEAD LIMITER COMPRESSOR LIMITER CONTROL COUPLING ANAL...

Page 295: ...OPTIMOD AM DIGITAL TECHNICAL DATA 6 63...

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