Altec 1594B Скачать руководство пользователя | Manualshive

Страница: 13 / 14

background image

Reference

Ordering

Designator

Number

27-01-042843-04

PARTS

Name and

PCB Assembly, Power
Driver

0.01

oov

Cap.. 7000

40V

400V

0.1

1

Cap., 220

oov

Cap.. 0.002

oov

Cap., 5

25V

Cap.,

2 1

oov

Cap.. 0.005

oov

Cap., 0.0033
220%. 1

oov

Diode.

selected

Diode, Zener,

25%

Diode, Zener. 15A.
1 5 v +5%

Diode, rectifier,

Diode,

100

Fuse.

SLO-BLO

Fuse,

3AG

Socket.

Receptacle, 15-pin

(for

Cord,
conductor.

Reference

Ordering

Name and

Designator

Number

Description

selected

Transistor,
selected

Transistor,
selected

Transistor,

selected

Transistor,
low noise, selected

47-01-102169-01

48-03-107447-02

47-02-105885-01

47-01-102054-01

47-01.102057-01

12166.01

47.01.102551.01

47-02-100712.01

47-01-102376-01

47-01.100479-01

47-01.102190-01

47-01-102171-01

47-01-102168-01

47-01-102167-01

47-01-100477-01 Res..

Transistor.

7 5 v

Pot.,

220%

210%.

Res.,

5W

Res..

Res..

114W

Res..

114W

Res.,

Res.,

5W

Res.,

5W

Res.,

Res.,
1 14W

114W

Res.,
114W

114w

Res.,

25%.

Res.,

1

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Содержание 1594B

Страница 1: ...onif AC Power 35 Hz to 20 kHz Fails Transformer Isolated Outputs for 4 8 and 16 Ohms and Low Power Consumption for 25V and 70 7V Distribution Systems Low Heat Generation Switchable Highpass Filter Protects Driver Loudspeaker from Excessive Low Frequency Power Demands Hinged Front Panel for Easy Maintenance Exclusive Active Dissipation Sensing Circuit Protects Output Transistors Small Size AC or Ba...

Страница 2: ...QUES Transistor Orientation Replacing Power Transistors Testing Transistors Replacing PCB Components Repairing Fractured or Damaged PCB Conductor Characteristics Figure 3 Typical THD Versus Frequency for 100 Watt Output Figure 4 Typical THD Versus Wattage Out put at 1000 Hz 8 OhmLoad Figure 5 Front View With Hinged Panel Open Figure 6 Rear View of 15948 Power Amplifier Figure 7 Converting to 240V ...

Страница 3: ...ypically less than 10 of load impedance 85 dB below rated output 1 VOLUME control continuously variable 1 primary power ON OFF switch 1 FILTER IN OUT switch rear panel 1201240V ac 50160 Hz 20W at zero signal 180W at 33W output 290W at 100W output or 24128V dc 0 2A at zero signal 5 OA at 33W output 8 5A at 100W output Battery minus is ground Up to 5 5 131 F ambient 7 H x 1 9 W x 8 112 D 35 pounds 8...

Страница 4: ...helf use I t tilts the 15948 for easy accesr to front panel controls The sides and top extend beyond the front panel to preventaccidental changes of control settihgs The cover provides easier handling for portability and i t is sturdy enough to support lightweight equipment placed on top of it Four polyethylene feet prevent marring of sur faces The ALTEC green finish matches the front panel of the...

Страница 5: ...lation past the output transistors ELECTRICAL 120 Volt 50160 Hz Power Connections Equipment supplied for domestic use is provided with the power transformer primary strapped for 120 volts terminals B A T T E R Y P O W E R TERMINAL BOARD TB4 1 to 2 and 3 to 4 on TB3 The power input nameplate adjacent to the power cord on the chassis is mounted to show the appropriate side specifying the connections...

Страница 6: ...hen shipped from the factory pins 3 and 4 of J1 are strapped together to provide a 600 ohm input A 150 ohm input may be obtained by removing the strap from pins 3 and 4 and then strapping pins 1 and 4 and pins 3 and 6 see Figure 8 I Direct Coupled Isolated linesof 150or 600ohms up to level of 15 dBm with 15095A Line Transformer For low impedance line bridging input or 15K ohrn line matching input ...

Страница 7: ... see Figure 2 A screwdriver operated FILTER IN OUT switch is located on the rear of the chassis see Figure 6 The switch is placed in the OUT position when the 15948 is hipped from the factory SERVICE If a malfunction occurs service should be performed by an ALTEC Qualified Service Representative For factory ser vice ship the 15940 prepaid to Customer Service ALTEC 1515South Manchester Avenue Anahe...

Страница 8: ...the required length and insert them properly indexed into the PCB or socket ReplacingPower Transistors The ac primary power fuse is mounted on the front panel see cover photo The battery power fuse is located on the rear of the chassis see Figure 6 I f fuse replacement is re quired determine and correct any cause of failure before re plac ng fuse Install an identical fuse see PARTS LIST by unscrew...

Страница 9: ...Lead 1 Emitter TO 5 L e a d 2 B a s e Lead 3 Collector P Case 3 If component is faulty or damaged clip leads close to component and then unsolder leads from board With draw leads from component side 4 Clear solder from circuit board holes before inserting leads of new component Heat solder remaining in hole remove iron and quickly insert a pointed non metallic object such as a toothpick from condu...

Страница 10: ...VE PCB ASSEI BLY A l I I I I 3 I t i I i 1 I I N LOWERED POSITION 1 13 Figure 10 Component Locations Inside Main Chassis T 1 VOLTAGE Q b Q5 TBI RATING PLATE SINK Figure 11 Component Locations on Rear of Chassis ...

Страница 11: ......

Страница 12: ......

Страница 13: ...2N5305 selected Transistor 2N2712 selected Transistor 2N3906 selected Transistor 2N5308 low noise selected 47 01 102169 01 Res 3 3Ka 210 Il14W 48 03 107447 02 47 06 042509 01 47 01 100635 01 47 02 105885 01 47 01 100652 01 47 02 114449 01 47 01 102054 01 47 01 102057 01 47 02 112166 01 47 01 102551 01 47 02 100715 01 47 02 100712 01 47 01 102376 01 47 01 100479 01 47 01 102190 01 47 01 102171 01 4...

Страница 14: ... Res 3 3 R z L 114W Pot 10a 2 2 W Res 330Q 210 1W Res 27Q 10 li4W Res 47Q 10 1 2W Res 180a lo 112W R136 137 R138 133 Res 56a 10 114W 47 05 y697 01 F a r i i 47 01 102355 01 Res 3 3K Q 5 1 4W Res 22Ka 10 21 04 101034 01 1 IITB4 I Name and Description Res 47Q f10 1 4W Res 220 Q lo 114W Pot 5 0 n 2 0 2W y t Rer 1KCZFIOI 112W Switch DPDT slide Switch toggle 125V ac 3A 20V dc 5A Transformer power Trans...

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