Hafler DH-200 Скачать руководство пользователя страница 15 | Manualshive

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COMPONENT VALUES

All resistors are l/4 w carbon film unless specified otherwise

Rl

470,000 ohms

R2

1,800 ohms

R3 47,000 ohms
R4 47,000 ohms
R5 1,000 ohms
R6 1,000 ohms
R7 47,000 ohms
R8 560 ohms
R9

560 ohms

RIO

1,800 ohms

Rll

1,800 ohms

R12 270 ohms
R13 47 ohms
R14 47 ohms
R15 47 ohms
R16 47 ohms
R17 1,800 ohms
R18

1,800 ohms

R19

270 ohms

R20 1,800 ohms
R21 82 ohms
R22 560 ohms
R23 470 ohms
R24 10 ohms
R25 33,000 ohms
R26 3,300 ohms, lW, metal film
R27 1,000 ohms, 1/4W, metal film
R28

150 ohms, 1/4W, metal film

R29 1,800 ohms
R30 82 ohms
R31 47 ohms, 1/4W, carbon comp.
R32 47 ohms, 1/4W, carbon camp.
R33 220 ohms, 1/2W
R34 2,200 ohms, 1/2W
R35 10 ohms
R36 1 ohm, 1OW
R37 10 ohms, 5W

R38 28,000 ohms, 1/4W, metal film
R40

1

470 ohms, 1/2W

R402 470 ohms,

1/2W

R403 220 ohms, 1/2W
R404 220 ohms,

1/2W

R405

1

meg ohms, 1/2W

Cl
C2
C3

C4
C5
C6
C7
C8
C9

Cl0
Cl1
Cl2
Cl3
Cl4
Cl5
Cl6
Cl7
Cl8
Cl9

C20

2 mfd, 5OV, Film
330 pF, 63OV, Film

.Ol mfd, 25OV,  Film
.OOl  mfd, 25OV,  Film
.OOl  mfd, 25OV,  Film

0.1 mfd, lOOV, Film
0.1 mfd, lOOV, Film

470 mfd, 1 OV, Non-polar Electrolytic

150 pF, 63OV, Film

330 pF, 63OV, Film

.Ol mfd, 25OV, Film

100 mfd, lOOV, Electrolytic

.Ol mfd, 25OV, Film

100 mfd, lOOV, Electrolytic

.Ol mfd, 25OV, Film
.Ol mfd, 25OV, Film

150 pF, 63OV, Film

.Ol mfd, 25OV, Film
.Ol mfd, 25OV, Film

0.1 mfd, lOOV, Film

Part No.

C21

RC044
RC023
RC043
RC043
RC015
RC015
RC043
RC045
RC045
RC023
RC023
RC029

RC039
RC039
RC039
RC039
RC023
RC023

RC029
RC023
RC053
RC045
RC04 1
RC013
RC036

RZo13

RMo21
RM013

RC023
RC053

RZOll
RZOll

RD114
RDl15

RC013

RW012
RW013

RM053

RDll7
RDI 17
RDll4
RDl14
RDI 13

CP115
CP134
CP135
CP136
CP136
CC125
CC125

CN113

CP133
CP134
CP135
CL122
CP135
CL122
CP135
CP135
CP133
CP135
CP135

CC125

C22
C23
C40 1
C402
C403
C404

C405
C406
C407
C408

Dl
D2
D3
D4
D5
D6
D 7
D8
D9
DlO
Dll
D12
D13
D14

D15
D16

D40 1

0.1 mfd, lOOV, Film
0.1 mfd, lOOV, Film

.OOl mfd, 25OV, Film

680 pF, 5OOV, Mica
0.1 mfd, lOOV, Film

10,000 mfd, 75V, Electrolytic
10,000 mfd, 75V, Electrolytic

.Ol  mfd, lOOOV,  Disc
.39  mfd, lOOV,  Polyester
.005 mfd, lOOOV,  Disc

0.1 mfd, IOOV, Film

IN4  148 Diode
IN4 148 Diode
IN4  148 Diode
IN4 148 Diode
IN4 148 Diode
IN4 148 Diode
IN4 148 Diode
IN4 148 Diode
FDH-400 Diode
FDH-400 Diode
IN4 148 Diode
lN5240B  1OV Zener Diode
IN5240B  1OV  Zener Diode
IN4 148 Diode
IN4003 Diode
IN4003 Diode
IN4003 Diode

DB40 1 Diode Bridge, 25A

Pl

1,000 ohms trimpot

P2 1,000 ohms trimpot

F4O1 7A, Slo-Blo MDX
F402  5A,  3 A G
F403  5A, 3AG
F404 2A, 3AG (size optional)
F405 4A,  Slo-Blo MDX

T40 1 Power Transformer, Domestic
T402 Power Transformer, International

Ql

2N5401
2N5550
2N5550

Q 4

2N5550

Q5

2N5401

2N5415
NP2222

QlO  2N5550
Qll 2N3440
Q 1 2   2N3440
Q 1 3   2N5415
Q401  2SK134

Q402 2SK134
Q403 2SJ49
Q404 2SJ49

TB40

I

Thermal Breaker

TB402 Thermal Breaker

Ll

Output Inductor

15

CC125
CC125

CP136

CM121

CE115
CL121
CL121
CZI 12
CEl17
cz113
CEl15

QDll6
QD116
QD116
QD116
QDll6
QD116
QD116

QDl16
QD121
QDl21
QD116
Q D l l l
Q D l l l
QD116
QD115
QD115
QD115

QD117

RPOll
RPOll

SF02 1
SF012
SF012

SF01 1

SF026

TA123
TA124

QP122

QNl28
QN128
QN128

QP122
QP122
QP122
QP123

QN124
QNl28
QN125
QN125

QP123

QNl12

QNl12

QPl12
QP112

SF024
SF024

TA112

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Содержание DH-200

Страница 1: ...SEMBLY CAUTION IF THE SPEAKER FUSES BLOW SOME DISTORTED SOUND CAN BE HEARD THEREFORE IF AMPLIFIER MALFUNCTIONS ALWAYS CHECK FOR BLOWN FUSES FIRST serial number in all communications THE DAVID HAFLER COMPANY 5910 Crescent Boulevard Pennsauken New Jersey 08109 ...

Страница 2: ...e made a better choice The oversized power transformer and bridge rectifier the massive heat sinks the conservative operating levels of the MOSFET output devices all are evidence of the design efforts to achieve exceptional reliability simultaneously with state of the art sonics and specifications And this circuit is convertible to a high power monophonic amplifier with comparable stability and sp...

Страница 3: ...l content such as oscillation Failing evidence of this the amplifier may have malfunctioned Because of the very large heat sinks it is highly unlikely that any normal signal will cause the amplifier to overheat Loudspeaker Fuse Selection The DH 220 power amplifier is supplied with 2 amp fuses in the speaker lines Experience has shown that since an overload must exist for a few seconds for a fuse t...

Страница 4: ...s been internally modified for monophonic bridged operation the output is taken from the two red terminals only Then the black terminals are left unconnected Headphones are normally operated from the loudspeaker outputs but are usually connected through a junction box which provides switching from phones to speakers Such a box usually provides some added resistance to reduce the sensitivity of the...

Страница 5: ...bond When cool check the con nection by wiggling the wire If in doubt or if the connection is not shiny re heat the joint Excess solder may be removed from a connection by heating it and allowing the solder to flow onto the iron which is then wiped on the sponge ALL SOLDER USED MUST BE ROSIN CORE Never use acid core solder or any separate flux in electronic work Silver solder is also not suitable ...

Страница 6: ...lements is left to the builder Take the time to be accurate and neat and you can be sure that your completed amplifier will meet the performance of a factory assembled unit and can con tinue to perform properly for years to come Check your work and make sure the entire step has been completed before plac ing a check mark in the space provided and continuing on to the next step KEP nuts have been s...

Страница 7: ...front The switch snaps into chassis hole PS from the outside 13 q Select the AC line cord and the plastic strain relief Separate the two conductors for 2 Cut 1 off one of the two leads and strip 1 4 of insulation from each lead Twist the strands tightly and tin each end Make a sharp V in the cord 81 2 from the longest cut end by bending it back on itself Install the relief with the small end neare...

Страница 8: ...uter tabs while the wire does not protrude into the spade clamp area Tin the bare wire end Bend the shorter middle set of tabs tightly around the bare wire and then bend the longer tabs around the insulation Then flow solder into the joint around the bare wire keeping the solder away from the spade section 29 Prepare a 2 white wire Connect one end to FC lug 2 S Select another spade lug and solder ...

Страница 9: ...dered You will be making con nections from the top side to holes 3 5 6 7 8 and 10 Make sure the proper connection point is clear at each of these If it is filled with solder running the iron along the underside will uncover the hole and it may be cleared with a wooden toothpick Now position the right module with the breaker at the front when the long bottom row of eyelets is next to the chassis wi...

Страница 10: ...terminals and the ground lug should be brought together through most of their length 68 Check all your soldered connections especially those on the fuse clip lugs which are sometines difficult to solder to Clip off any excess bare wire which could short to adjacent lugs or the chassis Pay particular attention to the stranded wires from the transformer and line cord and check the power switch conne...

Страница 11: ...lp you locate the source of a prob lem may be obtained by calling the Technical Services Depart ment at 609 662 6084 8 a m 4 30 p m E T It is helpful to know the serial number of the unit and the results of any tests you have performed SERVICING AN AMPLIFIER MODULE If you are certain that the problem is confined to one of the amplifier modules comprising the circuit board heat sink and output tran...

Страница 12: ...uired when the multi voltage transformer is used This is supplied in kits which include the special transformer If the amplifier is operated with 200 to 240 volt tines the 7 amp line fuse which is supplied should be replaced with a 4 amp Slo Blo type fuse n VOLTAGE CHART measured with 120 volt line no signal with respect to the ground buss between the two capacitors in the power supply E B c E B c...

Страница 13: ...3 XA012 XA014 XPO14 WA016 AH326 XKOll XK012 SLlll HR144 XK018 XK016 TA123 Hardware Envelope 1 Lug solder type internal tooth 6 4 Lug solder type lO 3 Lug spade l 4 12 Nut 4 40 KEP 11 Nut 6 32 KEP 4 Nut l0 32 KEP 2 Nut l 2 for fuse holder 12 Screw machine 4 x 5 16 10 Screw machine 6 x l 2 4 Screw machine l0 x l 2 4 Screw l0 x l 4 SEMS 16 Screw sheet metal 6 x l 2 1 Screw machine 6 x 3 4 4 Washer fl...

Страница 14: ......

Страница 15: ...36 RZo13 RMo21 RM013 RC023 RC053 RZOll RZOll RD114 RDl15 RC013 RW012 RW013 RM053 RDll7 RDI 17 RDll4 RDl14 RDI 13 CP115 CP134 CP135 CP136 CP136 CC125 CC125 CN113 CP133 CP134 CP135 CL122 CP135 CL122 CP135 CP135 CP133 CP135 CP135 CC125 C22 C23 C40 1 C402 C403 C404 C405 C406 C407 C408 Dl D2 D3 D4 D5 D6 D7 D8 D9 DlO Dll D12 D13 D14 D15 D16 D40 1 0 1 mfd lOOV Film 0 1 mfd lOOV Film OOl mfd 25OV Film 680...

Страница 16: ... IO kHz 0 007 20 kHz 0 012 Frequency Response into 8 ohms 3 dB 2 Hz to 160 kHz at 1 watt O 0 5 dB 6 Hz to 60 kHz at 1 15 watts Rise Time 10 kHz 60 volts peak to peak square wave 10 to 9 0 2 5 us Slew Rate 10 kHz 60 volts peak to peak square wave 30 VI s Semiconductor Complement 26 transistors 8 power Mosfets 29 diodes 4 zener diodes 1 diode bridge Typical Channel Separation 20 Hz 75 dB 1 kHz 85 dB...

Страница 17: ......

Страница 18: ......

Страница 19: ......

Страница 20: ...The amplifier circuit can safely accommodate lower impedance loads of course The conversion which takes less than an hour involves only changes to the input wiring and installation of the switch with its mounting bracket and one resistor These instructions assume familiarity with the usual kit building descriptions and reminders For more details in this regard see the con struction section of your...

Страница 21: ...tal screws Select the switch and its 2 nuts lockwasher and indexing flat washer and the switch mounting bracket Install one nut all the way onto the switch collar and follow it with the indexing washer with its lugprojecting towards the handle lever Mount the switch on the bracket so that the lever points in the direc tion of the bracket flange and the indexing lug engages the locating hole in the...

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