Hafler 9180 Series Скачать руководство пользователя страница 7 | Manualshive

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LEFT/MONO

GAIN

POWER SWITCH

U P - O N

D O W N - O F F

RACKMOUNT HOLES

RIGHT

RACK HANDLES

( 1 9 ” V E R S I O N O N L Y )

GAIN

( 1 9 ” V E R S I O N O N L Y )

9180 / 9270 AMPLIFIER FRONT PANEL VIEW

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Содержание 9180 Series

Страница 1: ......

Страница 2: ...r in a sealed enclosure Allow for proper clearance above the equipment 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 a a POWER SOURCES The equipment should be connected only to a power source of the same voltage and frequency as that listed on the r...

Страница 3: ...d 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 shoul...

Страница 4: ...m 7 Outputs 8 Gain Controls 8 Mono Stereo Switching 8 Soft Turn On System 8 Thermal Protection System 8 CIRCUIT HIGHLIGHTS 9 ADDITIONAL INFORMATION Loudspeaker Load Impedance Considerations 10 Changing Line Voltage Rating 10 Adjusting Bias 10 General Troubleshooting Hints 11 Ground Loops 11 Cleaning Maintenance 12 Parts List 12 Functional Block Diagram 14 Component Layout Diagram 15 Circuit Schema...

Страница 5: ... ohms 300 watts mono 8 ohms 135 watts per channel 8 ohms 200 watts per channel 4 ohms 400 watts mono 8 ohms less than 0 025 typically 0 005 at 1 kHz 0 3Hzto116kHz greater than 100 dB unweighted 47 000 ohms 1 4 volts RMS 1 6 volts RMS 300 to 1 kHz 200 to 10 kHz 50 V uS Power Switch Left Right Gain Controls Mono Stereo Switch Right and Left Mono RCA jacks Right Left and Mono 5 Way Binding Posts 100 ...

Страница 6: ...ove the power cord connector OPERATION CONNECTIONS POWER CORD CONNECTION POWER SWITCH INPUTS Units wired for 100 220 and 240 VAC are supplied without power cords Local agents will supply cords with male connectors appropriate to the local standard Units wired for 120 VAC are supplied with a detachable AC power cord The female connector plugs into the receptacle provided on the rear panel This powe...

Страница 7: ...LEFT MONO GAIN POWER SWITCH U P O N D O W N OFF RACKMOUNT HOLES RIGHT RACK HANDLES 19 VERSION ONLY GAIN 19 VERSION ONLY 9180 9270 AMPLIFIER FRONT PANEL VIEW ...

Страница 8: ...I MONO STEREO SWITCH IN MONO RIGt O U T I S T E R E O I N AC LINE VOLTAGE RATING LINECORD CONNECTOR T T iT IT LEFT MONO INPUT MONO OUTPUT RIGHT LEFT OUTPUT OUTPUT I I 9180 9270 AMPLIFIER REAR PANEL VIEW ...

Страница 9: ... full counter clockwise position attenuates the input signal completely Most applications will dictate that these controls be set to their maximum clockwise position In situations of unusually high level signal sources or for matching levels in multiple amplifier installations it may be desirable to use an intermediate position of the Gain Controls Unless intentionally introducing different gain l...

Страница 10: ... very musical and non fatiguing Conversion to Mono Mode is accomplished by driving the negative input feedback point of the right channel with the output of the left channel This causes the right channel to mirror exactly the output of the left channel but 180 degrees out of phase This creates twice the voltage swing to be available across the two red output binding posts This simple method of bri...

Страница 11: ...line voltage it is advisable that the procedure be conducted by a qualified technician WARNING UNPLUG THE UNIT FROM AC POWER BEFORE ATTEMPTING THIS PROCE DURE FAILURE TO DO SO CAN RESULT IN SEVERE ELECTRICAL SHOCK 1 Remove the top cover by removing the seven allen head screws three on each side one at rear center 2 Using the diagram Component Layout as a guide find the white Voltage Selector plug ...

Страница 12: ...nction has occurred These fuses should be replaced only by a qualified technician and only with the exact type s and rating of fuse s originally supplied If a fuse is replaced and blows again within a short time check all output connections for short circuits or abnormally low speaker load impedances If all connections and load conditions appear to be correct disconnect all power immediately and r...

Страница 13: ...d systems then it is advisable to isolate the preamplifier chassis from the rack rails This may be accomplished by sandwiching a thin sheet of insulating material i e plastic washers or several layers of electrical tape etc between the rack and the preamplifier and securing the unit with non metallic i e nylon etc hardware It may be necessary to insulate other components so that only one component...

Страница 14: ... 104MC 9270 CPC 104 9180 CPP 104MC 9270 CER 107D CER 107D CPC 104 9180 CPP 104MC 9270 CPC 104 9180 CPP 104MC 9270 CPP 331 9180 CPS 331 9270 CPC 104 9180 CPP 104MC 9270 C W 4 7 4 DESIGNATOR C21 C121 C22 C122 C201 C301 C302 C303 C304 Q1 Q101 Q2 Q102 Q3 Q103 Q4 Q104 Q5 Q105 Q6 Q106 Q7 Q107 Q8 Q108 Q9 Q109 Q10 Q110 Q11 Q111 Q12 Q112 Q13 Q113 Q14 Q114 Q15 Q115 Q16 Q116 Q17 Q117 Q18 0118 Q19 0119 Q20 Q1...

Страница 15: ...LEFT MONO INPUT LEFT MONO MONO STEREO SWITCH RIGHT INPUT b LEFl OUTPUT THERMAL THERMAL SENSORS b PROTECTION SYSTEM A SOFT TURN ON OFF SYSTEM 9180 9270 FUNCTIONAL BLOCK DIAGRAM ...

Страница 16: ...NOIlVtl NOIlVtl ...

Страница 17: ......

Страница 18: ...E F b CHART lRl5 RI7 1 1 d HV 6 2 2N7000 R40 T a I ZiRCUIT SCHEMATIC DIAGRAM RMSED 1 l 13 91 1 1 l T Hv l T Hv SEE FL CHART R201 jl5V HV 7 5K CR201 1 N5245 R210 68 1 K 33 2K C20 a R212 0 01 b TO R TO L CH I CH ...

Страница 19: ...SELECTOR SHOWN IN 1OOV POSITION 6 Ql QlOl Q2 Q102 USE TWO 2SK163 SINGLE JFET S OR ONE 2SK389 DUAL JFET 9 Q3 Q103 Q4 Q104 USE TWO 2SJ74 SINGLE JFET S OR ONE 251109 DUAL JFET 1 0 R44 R144 R45 R145 R46 R146 R47 R147 C21 C121 C22 C122 ARE PRESENT ONLY WHEN USING DUAL JFET S 2SK389 2SJ109 F O R S U B S T R A T E B I A S I N G 1 1 C17 C117 C18 C118 C19 C119 NOT USED FUSE CHART J101 RIGHT INPUT R 3 4 33 ...

Страница 20: ...s from 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 ...

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