Hafler Trans Nova P7000 Скачать руководство пользователя страница 2

N O T I C E   -   I M P O R T A N T   S A F E T Y   I N F O R M A T I O N

C A U T I O N

RISK OF ELECTRIC SHOCK

DO NOT OPEN

!

!

WARNING:  TO PREVENT FIRE OR 

SHOCK HAZARD, DO NOT EXPOSE THIS 

EQUIPMENT TO RAIN OR MOISTURE.

1.

READ INSTRUCTIONS

All the safety and operating instructions of your Hafler equipment
should be read before power is applied to the equipment.

2.

RETAIN OWNER'S MANUAL

These safety and operating instructions should be retained for
future reference.

3.

HEED WARNINGS

All warnings on the equipment and in the operating instructions
are important and should be followed.

4.

FOLLOW INSTRUCTIONS

All operating and use instructions are important and should be
followed.

5.

HEAT

The equipment should be kept away from areas of high tempera-
ture, i.e., heater vents, radiators, stoves/ovens, fireplaces, etc.

6.

VENTILATION

The equipment should be used in an area suitable for proper
ventilation.  Care should be taken not to impede airflow in and
around the cabinet.

7.

WATER AND MOISTURE

The equipment should not be used in or around water, such as a
bathtub, sink, or swimming area.  Also, the equipment should not
be used in areas prone to flooding, such as a basement.

8.

POWER SOURCES

The equipment should be connected only to a power source of
the same voltage and frequency as that listed on the rear panel
above the power cord entry point.

9.

POWER CORD PROTECTION

Power cords should be arranged so they do not interfere with the
movement of objects in the room: people, fan blades, utility carts,
etc.  Also, care should be taken that the cord is not pinched or cut,
and placed so it is not in danger of being pinched or cut, as in
under a rug, around a tight corner, etc.

10.

POWER CORD GROUNDING

The power supply cord is of a three wire grounded type, designed
to reduce the risk of electric shock sustained from a live cabinet.
It is assumed to be of suitable length for most uses of the
equipment.  The use of extension cords and power strips is
discouraged unless they are of suitable rating to deliver the
required total current for safe operation of all connected equip-
ment.  Furthermore, extension cords or power strips must provide

the same three wire grounded connection.  It is important that the
blades of the equipment’s plug be able to fully insert into the
mating receptacle.  Never remove the round grounding pin on the
plug in an attempt to mate to a two wire ungrounded receptacle:
use a grounding adaptor with the grounding tab or wire suitably
connected to earth ground.

11.

NON-USE PERIODS

During periods of extended non-use, the power cord should be
unplugged from the power source.

12.

CLEANING

The equipment should be cleaned only as detailed in the operat-
ing instructions.

13.

OBJECT AND LIQUID ENTRY

Care should be taken so that objects and/or liquids, such as
cleaning fluids or beverages, are not spilled into the enclosure of
the equipment.

14.

DAMAGE REQUIRING SERVICE

Hafler equipment should be serviced by qualified service person-
nel when:

A. The power supply cord or plug has been damaged, or

B. Objects have fallen, or liquid has been spilled into the

equipment, or

C. The equipment has been exposed to rain, or

D. The equipment does not appear to operate normally or

exhibits a marked change in performance, or

E. The equipment has been dropped, or the enclosure has

been damaged.

15.

SERVICING

The user should not attempt to service the equipment beyond that
which is described in the operating instructions.  All other service
should be referred to qualified service personnel.

16.

CARTS AND STANDS

The equipment should be used with carts or stands only of
sufficient strength and stability for the use intended.

An equipment and cart combination should be moved with care.
Quick stops and starts, excessive force, and uneven surfaces may
cause the equipment and cart combination to topple.

 – i –

The lightning flash with arrowhead symbol within an equilateral triangle
is intended to alert the user to the presence of uninsulated "dangerous
voltage" within the product's enclosure, that may be of sufficient magni-
tude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert
the user of the presence of important operating and maintenance (servic-
ing) instructions in the literature accompanying the appliance.

Содержание Trans Nova P7000

Страница 1: ... PROFESSIONAL POWER AMPLIFIER P7000 Installation Operation PROFESSIONAL POWER AMPL nova trans DESIGNED AND ASSEMBLED IN THE U SA ...

Страница 2: ...connected equip ment Furthermore extensioncordsorpowerstripsmustprovide the same three wire grounded connection It is important that the blades of the equipment s plug be able to fully insert into the matingreceptacle Neverremovetheroundgroundingpinonthe plug in an attempt to mate to a two wire ungrounded receptacle use a grounding adaptor with the grounding tab or wire suitably connected to earth...

Страница 3: ...4Ω Gain 15dB min 30 max CMRR 75dB at 1kHz Damping Factor 600 to 1kHz 200 to 10kHz 25 to 100kHz Power Consumption 275 VA quiescent 1440 VA with both channels driven at 350 watts at 8Ω 1800 VA maximum Controls Switches Front Panel Power switch Normal Bridged mode switch level controls Rear Panel Chassis Float ground switch Stereo Bi amp selector switch Crossover Variable high pass low pass and bandp...

Страница 4: ...ch 4 Level Controls 4 XCard Crossovers 4 Ground Switch 5 Short Circuit Protection 5 LED Indicators 5 Warm Up 5 Cleaning and Maintenance 5 TECHNICAL REFERENCE Field Service Considerations 6 Theory and Operation of trans nova 6 PC Board Layout 7 Schematic Diagram 8 Parts List 10 P7000 Functional Block Diagram 12 Circuit Operation 13 Amplifier Module Replacement 16 Building Custom XCards 17 Resistor ...

Страница 5: ...r to drive reactive speaker loads without the performance and sound penalties imposed by elaborate Safe Operating Area protection schemes Active crossovers are incorporated at the input of the amplifier These crossovers are controlled through the use of our XCard plug in modules Each XCard can operate as a full range high pass or low pass filter with a 12dB per octave Butterworth alignment Each ch...

Страница 6: ... in the parts list INPUT The input jacks used on the P7000 are dual function connectors which accept 1 4 Tip Ring Sleeve phone and XLR plugs The amplifier will operate with either a balanced or unbalanced signal source The connector pin out is printed on the rear panel of the amplifier Balanced Input 1 4 Tip Ring Sleeve The 1 4 balanced input jack is connected according to conventional usage with ...

Страница 7: ... With the switch set for STEREO Channel 1 and Channel 2 require separate input signal source feeds When the switch is set for BI AMP the Channel 1 input feeds the signal to both amplifier channels for dual mono operation The level control and XCard for each channel are still active Bridged Mono In systems with higher power requirements the P7000 can be configured for signal channel bridged mono op...

Страница 8: ...osition the Channel 1 and inputs are connected to Channel 2 in reversed polarity which inverts the Channel 2 output Only the Channel 1 input is used and the speaker is connected to the two RED binding posts The amplifier gain is adjusted by the Channel 1 level control the Channel 2 control is not active Because of thermal considerations we do not recommend using less than a nominal eight ohm load ...

Страница 9: ... off then back on to reset the short detector LED INDICATORS Amplifier operation is monitored internally and each channel has four status LEDs These indicators can be used for system troubleshooting in case of aberrant behavior Signal Monitors the amplifier output and lights when a signal is present The SIGNAL indicator is calibrated to activate an equivalent input voltage of 30mV with the amplifi...

Страница 10: ...conventional follower connection using the same MOSFET devices This increase in efficiency allows the use of a much simpler input section than in the more common high voltage designs The number of serial stages from input to output can be reduced from five or more to only three This also allows the input section tobedesignedwiththecriteriaofhighqualityClassAlineampwiththecharacteristichighlinearit...

Страница 11: ... 7 PC BO A R D LA Y O U T ...

Страница 12: ......

Страница 13: ... CDS 104CCDB C16 0 1µF 50V CDS 104CCDB C17 0 1µF 50V CDS 104CCDB C18 0 1µF 50V CDS 104CCDB C19 0 1µF 50V CDS 104CCDB C20 0 1µF 50V CDS 104CCDB DESIGNATOR VALUE PART ALL RESISTORS IN OHMS R1 56 2k 1 4W 1 RMP 4 5622 03 R2 1k 1 4W 5 RM 4 102C R3 47k 1 4W 5 RM 4 473C R4 47k 1 4W 5 RM 4 473C R5 1k 1 4W 5 RM 4 102C R6 280 1 4W 1 RM 4 2800C R7 2 15k 1 4W 1 RM 4 2151C R8 200 Trim Pot RVH 201 R9 2 26k 1 4W...

Страница 14: ...Channel MOSFET SS 0961 069 Q33 N Channel MOSFET SS 0961 069 Q40 P Channel MOSFET SS 0962 069 Q41 P Channel MOSFET SS 0962 069 Q42 P Channel MOSFET SS 0962 069 Q43 P Channel MOSFET SS 0962 069 Q103 MMBT5088L SS 0114 Q104 MMBT5087L SS 0115 Q105 MMBT5087L SS 0115 BR1 Bridge Rectifier SSH 609 CR1 LED Red SS 741 CR2 LED Red SS 741 CR3 LED Red SS 741 CR4 LED Green SS 740 DESIGNATOR VALUE PART CR5 MMBD91...

Страница 15: ...t Integrator U2B C22 C21 R11 CMRR Adjust R8 Differential Amp Q6 Q7 Positive Input Buffer U1A XCard Crossover U7A Level Control R24 Input Buffer U2a Feedback Network Driver Cascode Q11 Q12 Output Q40 Q41 Q42 Q43 B 94V Output Local Feedback Bias Adjust R136 Driver Cascode Q9 Q10 Current Mirror Q104 Q105 DIABLO R73 CR16 Q17 Q18 Output Q30 Q31 Q32 Q33 B 94V 12 ...

Страница 16: ...rom the factory setting however if the amplifier is repaired and output devices have been changed or if the two channels of the amplifier do not run at the same temperature recalibrating the bias is necessary Disconnect the power to the amplifier before removing the cover To adjust the bias disconnect the input and speakers and remove the jumper JW7 Connect an amp meter across the exposed pins The...

Страница 17: ...s down that channel when a shorted output condition is detected Recovering from the Short protection requires turning the amplifier off to reset it The Clip Detectors U3A and U4B monitor the Drive Signal and change state when the drive signal level is sufficient to clip the output stage The output of U3A goes high when the drive signal exceeds the clip threshold and is connected to the input of U3...

Страница 18: ...LIP indicator is driven by the buffer U5C which is controlled by the comparator U5A The voltage divider R56 and R57 established the reference voltage for the clipping detector at pin 7 of U5A The reference voltage scales the output of U5A to indicate when the Drive Signal at pin 6 demands in excess of the available voltage or current of the outputstage TheoutputofU5AisstretchedbyR55andC30toprevent...

Страница 19: ...s two outside and one inside Remove the two 9 64 Allen screws on the bottom edge of the side of the amplifier Remove the Phillips screw located behind the level control which is accessible through the hole in the PC board The module can now be lifted from the chassis Prepare a new Channel 1 module for installation by setting the input mode switches to the default position according to the markings...

Страница 20: ...Butterworth aligned XCards each of which contains two resistors and two capacitors to control the crossover frequency The XCard will operate as either a high pass or low pass filter depending upon its orientation The following tools are needed to build the XCards Soldering Iron appropriate for PC board work Solder suitable for electronics Desoldering Braid Our tests have shown that for operating f...

Страница 21: ... 600Hz 12 1kΩ 12 1kΩ 700Hz 10 2kΩ 10 2kΩ 800Hz 9 9kΩ 9 9kΩ 900Hz 8 6kΩ 8 6kΩ 1kHz 7 15kΩ 7 15kΩ 1 2kHz 6 04kΩ 6 04kΩ 2 0kHz 3 57kΩ 3 57kΩ 3 0kHz 2 37kΩ 2 37kΩ 4 0kHz 1 76kΩ 1 76kΩ 5 0kHz 1 43kΩ 1 43kΩ 6 0kHz 1 21kΩ 1 21kΩ 7 0kHz 1 02kΩ 1 02kΩ 8 0kHz 909Ω 909Ω 18 Frequency R1 R2 20Hz 169kΩ 169kΩ 25Hz 133kΩ 133kΩ 30Hz 110kΩ 110kΩ 35Hz 95 3kΩ 95 3Ω 40Hz 84 5kΩ 84 5kΩ 45Hz 75kΩ 75kΩ 50Hz 68 1kΩ 68 1kΩ...

Страница 22: ...rom the date of purchase including parts labor and return shipping costs within the Continental United States Alaska and Hawaii This warranty applies only to products sold in the United States of America For warranties outside the U S A please contact your local agent It is the owner s responsibility to pay shipping preferably United Parcel Service UPS to the factory collect shipments will not be ...

Страница 23: ...9 95 HAFLER PROFESSIONAL A DIVISION OF ROCKFORD CORPORATION 546 SOUTH ROCKFORD DRIVE TEMPE ARIZONA 85281 U S A IN U S A 602 967 3565 IN CANADA 604 942 1001 IN EUROPE FAX 49 4207 801250 IN JAPAN FAX 81 559 79 01265 ...

Страница 24: ......

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