Hafler DH-500 Скачать руководство пользователя страница 17

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All resistors are watt 5% carbon film unless otherwise noted.

Rl
R2
R3
R4

R6
R7
R8
R9

R16

R20

R22
R23
R24
R25
R26
R27
R28
R29

R30
R31
R32
R33
R34

R36
R37
R38

R102

R104

R106
R107

Rl
R l l l

Rl15

Rl17

RI20

R401
R402
R403

R405
R406
R408
R409

F40
F402

P2
T40 1
T402
RY40 1

470,000 ohms

1,800 ohms

ohms

47,000 ohms

560 ohms
560 ohms

47,000 ohms

560 ohms
560 ohms

1,800 ohms
1,800 ohms

270 ohms

47 ohms
47 ohms
47 ohms
47 ohms

1,800 ohms
1,800 ohms

270 ohms

1,800 ohms

82 ohms

560 ohms
470 ohms

10 ohms

33,000 ohms

3,300 ohms, lw, metal film

1,000 ohms, w. metal film

150 ohms, w, metal film

1,800 ohms

82 ohms
47 ohms, carbon

47 ohms, carbon

220 ohms,

2,200 ohms,

10 ohms

ohm, 10 w

ohms, 5 w
ohms, w, metal film

100,000 ohms
120,000 ohms
150,000 ohms
150,000 ohms

27,000 ohms,

22,000 ohms

3,900 ohms
3,900 ohms

22,000 ohms

27,000 ohms,

10 megohms

4,700 ohms

10 megohms

1 megohms

10,000 ohms

100,000 ohms
150,000 ohms

10 megohms

22,000 ohms

1,500 ohms, 2 w, metal film

470 ohms,

220 ohms,

1 megohms,

300 ohms, 7 w
300 ohms, 7 w
600 ohms, 7 w
600 ohms, 7 w

Diode Bridge
Fuse,

3AG (value optional)

Fuse,

GLH

Fuse,

GLH

Fuse,

Slo-Blo MDA

Fuse, 7A Slo-Blo MDA

Inductor,

1000 ohms
1000 ohms

Power Transformer
Power Transformer, multi-voltage
DPDT relay

RC044
RC023

RC043
RC043
RC045
RC045
RC043
RC045
RC045
RC023
RC023
RC029
RC039
RC039
RC039
RC039

RC023
RC029
RC023
RC053
RC045
RC04 1

RC036

RM02

RC023

RDI 14
RDl15

RC013

RWO12
RWO13

RM053

RC019
RC02 I
RC02 1

RD122

RC026
RC037
RC037
RC026

RD122

RC042
RC018
RC047
RC016

RC02 I

RC026

RDI 17

RDl17
RDl14
RDl14

RDl13

RW024
RW024

SF01 1
SF013
SF013
SF014
SF021

TAl12

TAl16
TAl17

All capacitors are 100 volt minimum unless otherwise noted

c2
c3
c 4

C6
c 7
C8
c 9
Cl0
Cl 1
Cl2
Cl3

Cl6

Cl8
Cl9

c21
c22
C23
Cl01
Cl02
Cl03

D l l
D12
D13
D14
D15
D16

D102

D103
D104

D106

D108
D40 1

4403

Q405
Q406

TB40 1
TB402
TR40 1
TS40 I
TS402

2 mfd,

Film

330

Film

.Ol mfd, Film

mfd, Film

.OOl mfd, Film

mfd, Film

.I mfd, Film

470 mfd,

non-polar Electrolytic

150

Film

330

Film

mfd, Film

100 mfd,

Electrolytic

mfd, Film

100 mfd,

Electrolytic

.Ol mfd, Film

mfd, Film

150

Film

.Ol mfd, Film

mfd, Film

mfd, Film
mfd, Film

.l mfd, Film
.OOl mfd,

Film

mfd, Film
mfd, Film
mfd, Film

1 mfd,

Non-polar Electrolytic

22 mfd,

Electrolytic

.Ol mfd,

Disc

680

Mica

mfd, Film
mfd, Film

20,000 mfd,

Electrolytic

20,000 mfd,

Electrolytic

mfd,

Disc

mfd, Film

mfd,

Disc

1 N4 148 Diode

FDH400 Diode
FDH400 Diode

Diode

Zener Diode

Diode

Zener Diode

lN4148 Diode

Diode

1 OV Zener Diode

Zener Diode

Diode

1
1

176

Power switch

Thermal breaker
Thermal breaker
Inrush limiter
Thermal sensor
Thermal sensor
Fan,

volt

Fan, 200-240 volt alternate

Part

No.

CP136
CP136

CC125

CNI

CC124
CL122
CC124
CL122
CC124

CC124

CC124
CC124
CC125
CC125
CC125

CP136

CEl17
CEl17
CEI 17

CNl14

CL125

CM121

CC125
CC125

CL123
CL123

C E l 1 7

Q D 1 1 6
Q D l 2 1

Q D l 1 6
Q D l l l
Q D l l l

Q D l l l
Q D l l l

QDl15
QDl15
Q D l l l
Q D l l l

QP122

QN128

QP122
QP122

QP122
QP123

QN124
QN128

QN125

QP123

QN128
QNl13

QNI

13
13

QPl13

SF024
SF024

SF025

CC124

Содержание DH-500

Страница 1: ...BLOW SOME DISTORTED SOUND CAN BE HEARD THEREFORE IF AMPLIFIER MALFUNCTIONS ALWAYS CHECK FOR BLOWN FUSES FIRST LM153 3 00 THE DAVID HAFLER COMPANY 5910 Crescent Boulevard Pennsauken New Jersey 08109 Please refer to this serial number in all communications regarding this equipment ...

Страница 2: ... A weighting Input Impedance 47 000 ohms Input Sensitivity 2 35 volts for 255 watts into 8 ohms 0 145 volts for 1 watt Damping Factor 200 to 1 kHz into 8 ohms 60 to 10 kHz into 8 ohms Rise Time 10 kHz 80 volts p p square wave 10 to 90 2 5 us Slew Rate 1 kHz 120 volts p p square wave 45 V us Semiconductor Complement 27 transistors 12 power Mosfets 33 diodes 8 zener diodes one integrated circuit one...

Страница 3: ...t in bandwidth limitation at the input all other stages are free of any trans ient overload The fully complementary symmetrical push pull circuit is direct coupled throughout except at the input It uses all silicon discrete devices in a format which is directly re lated to the acclaimed Hafler preamplifier circuit With its unconditional stability into virtually any load and its enormous power capa...

Страница 4: ...right to turn the amplifier on A red pilot lamp in the power switch signifies that it is on If it is not illuminated the most likely cause is a blown AC line fuse That is the single fuse close to the switch inside the chassis However since the amplifier uses a 15 ampere slo blo fuse and the typical home circuit is also rated at 15 amps check that as well To avoid the turn on transients generated i...

Страница 5: ...ance and the higher power handling capacity would suggest a much larger fuse at the amplifier than would provide individual protection If full power tests are to be performed particularly at low load impedances fuse ratings above 10 amps may be required for the duration of the test CONNECTIONS AC The standard unit is intended for 120 volt 60 Hz opera tion If it is controlled by an AC switch on a p...

Страница 6: ...n and we are certain you will find this to be so Assembly will be faster easier and more enjoyable if you have someone help you by reading the steps aloud selecting the required parts and preparing the necessary wire lengths in advance as you proceed Fatigue increases the risk of error so take a break rather than push to early completion There are relatively few separate components in this design ...

Страница 7: ...ottom of the board make certain a bright shiny flow is evident from the wire onto the circuit pattern on the board Tin n ning refers to the process of applying a light coat ing of solde r to the bared wire end This k eeps all the strands secured and also makes a good connection easier Simply touch the wire with the iron for a couple seconds and apply solder Allow the excess to flow away onto the i...

Страница 8: ...the cord by bending it sharply back on itself Install the strain relief as shown with the small end of the strain relief nearest the stripped end of the line cord Crimp the two halves of the strain relief around the wire at the V with heavy pliers to partially form it before in sertion into the back panel Considerable squeez ing is necessary because the thick insulation pops back quickly Then grip...

Страница 9: ...insertion of the screw for easy servicing access in the future The clamp should be snug but not tight Place each assembly so the clamping screws are accessible from the front at locations CL and CR and secure each with 3 sets of hardware Then loosen the clamps and ro tate the capacitors so that each terminal is positioned as in the diagram Make sure the capacitors are seated against the chassis an...

Страница 10: ...twist together the green and white wires from TBl and TB2 Place both of these wire groups off to the right of the module Then turn the module right side up with the fan away from you and the wires extending off to the left When soldering to eyelets holes on the circuit boards the wires will be connected to the outside top of the board but they must be soldered securely to the circuitry on the unde...

Страница 11: ...d to PC 9 eyelet 5 S 47 0 Prepare a 12 green wire Connect one end to LT lug 3 S 3 58 q Prepare a 9 yellow wire Connect one end to PC 9 eyelet 4 S 48 0 Select one of the spade lugs Connect it to the other end of the green wire just attached to lug 3 S The proper way to connect one of the spade lugs to the wire is to bend the shorter wider set of tabs tightly around the bare wire and bend the outer ...

Страница 12: ...ft side of the module Connect the black wire to the short ground lug of input socket LS S 2 Connect the yellow wire to the long lug of LS S 75 0 Select the red and black pair from the right side and connect the black wire to the short lug of input socket RS S 2 Connect the red wire to the long lug of RS S 76 0 Select the twisted white pair from the left side Connect the longer wire to the side lug...

Страница 13: ...s and the connec tion of the two red leads and the red yellow lead of the transformer are to be followed for all units Only the con nections for the black and black white transformer leads and the additional leads supplied on your transformer may differ You should follow all the other steps to the comple tion of your amplifier 91 0 Select the 4 sets of 10 hardware and the 4 washers and the power t...

Страница 14: ...ES IF THE COVER IS NOT SCREWED IN PLACE 102 0 Select the remaining sheet metal screws and the cover Before closing up the unit plug it in and check to see that the fan turns Because it normally operates at low voltage for low speed a new fan may need a bit of encouragement at first Any stiff ness is normally overcome after a few minutes op eration Once you are sure it turns on each time the power ...

Страница 15: ... the quiescent idle current in the driver and output stages Complete circuit stability is assured by the positive temperature coefficient of the power MOSFETs The driver and output stages of the DH 500 are of the full com plementary configuration Q14 Ql5 and Q16 are N channel MOSFETs in parallel for the positive half of the signal and Q17 Q18 and Q19 are P channel MOSFETs for the negative signal h...

Страница 16: ......

Страница 17: ...F014 SF021 QBl15 TAl12 RPOll RPOl I TAl16 TAl17 sz113 All capacitors are 100 volt minimum unless otherwise noted Cl c2 c3 c 4 c5 C6 c 7 C8 c 9 Cl0 Cl 1 Cl2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8 Cl9 c20 c21 c22 C23 Cl01 Cl02 Cl03 Cl04 Cl05 Cl06 c401 C402 c403 c404 c405 C406 c407 C408 Dl D8 D9 DlO Dll D12 D13 D14 D15 D16 DlOl D102 D103 D104 D105 D106 D107 D108 D40 1 Ql 2 Qf3 0 Qll Q12 413 QlOl Q401 4402 4403 4404...

Страница 18: ...ly the pertinent wire connections are combinations for 100 120 200 220 or 240 volt 50 or 60 Hz shown There are other wires connected to the 7 lug terminal power sources The connections which are different from the strip which are unchanged If the amplifier is to be operated with standard 120 volt connections described in the kit assembly line voltages between 200 and 240 volts a different fan part...

Страница 19: ...ne 6 32 x 1 2 Screw machine l0 32 x M Screw SEMS l0 32 x 1 4 Screw sheet metal 6 x 3 8 Screw machine 6 32 x 3 4 Washer flat lO x 7 8 Washer internal tooth 1 2 Washer rubber M Wire ties nylon 4 TA116 WA016 HZ124 CL123 AC009 LR015 sz113 UH 2U Part No HZ115 HZ1 16 HKlll HK112 HK113 HK118 HA1 13 HA116 HA119 HA118 HP1 17 HA1 15 HW114 HW116 HR117 HR138 PC Part No MS153 MS154 CZ113 cz112 CE117 QDll5 RZ01...

Страница 20: ... production DH 500s Select one of the screws from the bridging kit and the mounting bracket The bracket is anchored at this location flat surface up with the screw inserted fust through the single tab from inside the bracket then through the circuit board the fiber spacing washer optional and into the heat sink 11 Select the two screws and nuts and the circuit board PC 7A With the components facin...

Страница 21: ...s the speaker fuses provide the same power output protection as in stereo operation but because of individual fuse variations only one fuse may blow at these levels It is best to replace both fuses if one blows a sthe other may have been weakened These installation instructions designate connections in ac cordance with the DH 500 owner s manual and pictorial diagram and use the same terminology i ...

Страница 22: ......

Страница 23: ...e certain it is fully protected and insure it for the full value If you choose it is possible to return only a portion of the amplifier for factory service with some disassembly on your part This assumes that you are certain the prob lem lies only in the returned portion and that you assume full responsibility for reinstalling it correctly since a ser vice warranty cannot be extended for other tha...

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Hafler DH-500, Инструкция по сборке и эксплуатации

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