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PARTS LIST 

 MAIN CIRCUIT BOARD

D E S I G N A T O R S   l - 9 9 :   F O R   C O M M O N   A N D   R I G H T   C H A N N E L   P A R T S   1 0 0 - 1 9 9 :   F O R   L E F T   C H A N N E L

DESIGNATOR

VALUE

PART NUMBER

ALL RESISTORS 1/4 WATT, 1% METAL FILM
R1, R101
R2, R102
R3
R4
R5
R6, R106
R7, R107
R8, R106
R9, R109
R10, R110
R11, R111
R12
R13, R113
R14
R15, R115
R16, R116
R17, R117
R16, R116
R19
R20
R21
R22
R23
R24
R25
R26
R27
R26
R29, R129
R30, R130
R31, R131
R32, R132
R33, R133
R34,  R134
R35,  R135
R36, R136
R37, R137
R36,  R136
R39, R139
R40, R140
R41,  R141
R42, R142
R43, R143
R44,  R144
R45,  R145
R46,  R146
R47.  R147
R46,  R146
R49,  R149
R50,  R150
R51, R151
R52
R53

DIODES

D1
D2

D 3
D 4
D 5
D 6
D 7
D 6
D9
D10
D11
D12
D13
D14
D15

2.15K
20K

100K
100K
100K

20K

1K
1K

33.2
33.2
20K
221
20K

100K

182K
100K
150

274K

10K
162K
100K
100K

4.75K
47.5K

1.5K

2.21K

150K
1K

499

11K
1.1K
11K
11K
11K
1.1K
1.1K

3 1 6
3 1 6
20K
3 1 6

100
100

4.99K

10K

4.7M
20K

1 .0M
100
100
100K

316

10K
10K

1N4003
1N5239B 9.1V
1N5239B 9.1V
1N4003
1N4736A 6.8V
1N4148
1N5226B 3.3V
1N4003
1N4003
1N4148
1N4148
1N4148
1N4148
1N4003
1N4003

RMP/4-2151
RMP/4-2002
RMP/4-1003
RMP/4-1003
RMP/4-1003
RMP/4-2002
RMP/4-1001
RMP/4-1001
RMP/4-0332
RMP/4-0332
RMP/4-2092
RMP/4-2210
RMP/4-2002
RMP/4-1003
RMP/4-1623
RMP/4-1003
RMP/4-1500
RMP/4-2743
RMP/4-1002
RMP/4-1623
RMP/4-1003
RMP/4-1003
RMP/4-4751
RMP/4-4752
RMP/4-1501
RMP/4-2211
RMP/4-1503
RMP/4-1001
RMP14-4990
RMP/4-1102
RMP/4-1101
RMP/4-1102
RMP/4-1102
RMP/4-1102
RMP/4-1101
RMP/4-1101
RMP/4-3160
RMP/l4-3160
RMP/4-2002
RMP/4-3160
RMP/4-1000
RMP/4-1000
RMP/4-4991
RMP/4-1002
RMP/4-4754
RMP/4-2002
RMP/4-1004
RMP/4-1000
RMP/4-1000
RMP/4-1003
RMP/4-3160
RMP/4-1002
RMP/4-1002

SS-161
SSH-652
SSH-652
SS-161
ss-171
SS-162
SSH-653
SS-161
SS-161
SS-162
SS-162
SS-162
SS-162
SS-161
SS-161

DESIGNATOR

VALUE

U1 U101                    4051
U2 4053
U3 NE5532
U4 7815
U5 7915

Q1,Q101
Q2,Q102
Q3,Q103
Q4,Q104
Q5, Q105
Q6,Q106
Q7
Q8

SW1
SW2
SW3
SW4

2SK163,  

Graded

2SK163.  Graded
2SK163
2SK163
2SK163
2SJ74
BC560C
BC560C
BC560C
BC550C
Rotary Switch
Toggle Switch
Toggle Switch
Power Switch

SW5, SW1 05 Toggle Switch

RLY1
RLY2

Relay
Relay

VR1,  VR101
VR2, VR102
VR3,   VR103
VR4,  VR104

Volume Control
Balance Control
Bass Control
Treble Control

L E D 1

Tri-Color LED

J1-J3
J 4
J5-J9
J10

4-Pin  Header
IEC Connector
Convenience Outlet
Headphone Jack

F1
F1 (EXPORT)

T1

1110 Amp Slow Fuse
1  /1

 

6 Amp Slow Fuse

Transformer

BR1

Bridge Rectifier

PART NUMBER

SSH-656
SSH-657
SSH-667
SSH-625
SSH-628

SSH-614T
SSH-614T
SSH-614
SSH-614
SSH-614
SSH-617D
SSH-651
SSH-651
SSH-651
SSH-650
S W H - 1 5 3
S W H - 1 5 1
S W H - 1 5 1
SWH-152G (Gray)
SWH-152B (Black)
S W H - 1 5 1

S W H - 1 4 6
S W H - 1 4 6

RVH-503C
RVH-104A
RVH-104B
RVH-1048

SSH-739

C C H - 2 0 3
C C H - 2 3 3
C C H - 1 5 0
C C H - 2 0 8

FS-111 OSB
FS-1/16SB

l-r-915

ss-222

All Capacitors In Microfarads Unless Specified Otherwise
C1
C2
C3
C4
C5
C 6
C7
C 8
C9,C109
C10, C110
C11,C111
C12,C112
C13,C113
C14,C114
C15
C16.  C116
C17
C18, C118
C19, C119
C20, C120
C21, 121

C

C22,  C122

C23, C123
C24, C124
C25, C125
C 2 6
C 2 7
C 2 8
C29

4.7 25V Tant.
4.7 25V Tant.

.O1  1 KV Ceramic Disc

0.11 OOV Pofycarbonate
0.11 WV Polycarbonate
4700 35V Electrolytic
4700 35V Electrolytic

.01 Ceramic Disc, UL
.015  160V  Polycarbonate
.0015 160V  Polypropylene
.47  63V Polycarbonate
.047  63V Polycarbonate

470 Non Polar Electrolytic
0.1 100V Polypropylene
4.7 25V Tant.
47p  Polystyrene
4.7 25V Tant.
0.1 1 OOV Polypropylene
68p Polystyrene
470 25V Electrolytic
470 25V Electrolytic
0.1 1 WV Polypropylene
0.1 1 OOV Polypropylene
2.2 250V Polypropylene

.47  63V PoLycarbonate

47 25V Electrolytic
470 25V Electrolytic
470 25V  Electrolytic

.01 1KV Ceramic Disc

0.1 1 OOV Pofycarbonate

CTR-475A

CTR-475A
CD-103/20
CPC-104
CPC-104
CER-478B

CER-478B
CD-103A
CPC-153
CPP-152
CPC-474
CPC-473
CERNP-477
CPP-104MC
CTR-475A
CPS-470
CTR-475A

CPP-104MC
CPS-680
CER-477A
CER-477A
CPP-104MC
CPP-104MC
CPP-225MC
CPC-474

CER-476A
CER-477A
CER-477A
CD-13/20
CPC-104

-19-

Summary of Contents for 0915P

Page 1: ...Haflee H O M E A U D I O C O M P O N E N T S Series 0915 P R E A M P L I F I E R ...

Page 2: ... mount on a carpeted shelf or in a sealed enclosure Allow for proper clearance above the equipment 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 POWER SOURCES The equipment should be connected only to a power source of the same voltage and frequency a...

Page 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...

Page 4: ... 10 J FET Buffer And Record Output Driver 11 Tape Monitor Switching 11 Volume And Balance Controls 11 Line Amplifier 11 Tone Control System 11 Muting System 11 Power Supply 11 Headphone Amplifier 12 ADDITIONAL INFORMATION Installing Phono Option 12 Phono Board Installation Diagram 13 Installing Cartridge Loads 14 Changing Line Voltage Rating 14 Cartridge Loads Installation Diagram 15 General Troub...

Page 5: ...6 5 mV RMS INPUT IMPEDANCE Nominal 47 000 ohms Moving Magnet 220 pF as supplied user adjustable Moving Coil 100 ohms as supplied user adjustable GAIN 1 kHz Moving Magnet 38 5 dB Moving Coil 58 5 dB FREQUENCY RESPONSE 0 1 dB into 33 000 ohms BANDWIDTH 8 Hz 170 kHz 3 dB into 10k ohm load MAXIMUM OUTPUT 6 volts RMS TOTAL HARMONIC DISTORTION AND NOISE 008 2 volts RMS SENSITIVITY For 0 5 volts RMS Outp...

Page 6: ...sformers such as power amplifiers due to the possibility of audible hum or buzz from magnetic radiation The 915 Preamplifier is configurable for either 100 120 volt or 200 240 volt operation This is accomplished by changing internal jumpers on the printed circuit board The procedure is detailed in the section CHANGING LINE VOLTAGE RATING Make sure that the unit is configured for your local AC line...

Page 7: ...wer may be drawn from a single outlet or a combination of outlets Since some power amplifiers consume more than 1200 watts at maximum output check the power amplifier s rating before connecting to these convenience outlets The inputs labelled CD Tuner Video Aux 2 and Phono Aux 1 when the Phono Option is not installed are identical line level inputs The names chosen for these inputs are for conveni...

Page 8: ...MOUNT HOLES 19 VERSION ONLY TAPE MONITOR SWITCH TONE IN SWITCH OUTPUT OFF SWITCH READY LIGHT UP TO MONITOR TAPE INPUT UP TO ACTIVATE BASS TREBLE UP TO TURN OFF RED FOR MUTE ACTIVATED OUT1 OUT2 GREEN FOR OPERATE 915 PREAMPLIFIER FRONT PANEL VIEW lOO 120 VAC UNITS ONLY 200 240 VAC UNITS ARE WITHOUT CONVENIENCE OUTLETS POWER SWITCH CONTROLS PREAMPLIFIER POWER ...

Page 9: ...PHONO AUX 1 G R O U N D L I N E C O R D C O N N E C T O R SWITCHED OUTLETS OUTPUTS INPUTS T O P R O W R I G H T C H A N N E L BOTTOM ROW LEFT CHANNEL M C M M S W I T C H PHONO OPTION ONLY IN MOVING COIL OUT MOVING MAGNET 915 PREAMPLIFIER REAR PANEL VIEW 100 l 20 VAC UNITS ONLY 200 240 VAC UNITS ARE WITHOUT CONVENIENCE OUTLETS ...

Page 10: ...In Switch activates the Bass and Treble Controls when moved to the UP position In the DOWN position the Tone Controls are completely removed from the signal path regardless of Bass and Treble knob position The Bass Control has a variable inflection or hinge point so that only the very low frequencies are affected by small amounts of knob rotation on either side of center This facilitates small amo...

Page 11: ...Each Phono channel consists of six low noise JFET s connected in a complementary symmetry non differential configuration Shorted input moving coil equivalent input noise measures about 137 dB 140 nV wide band Only two stages are used to yield an open RIAA loop gain of about 110 dB in moving coil mode and 90 dB in moving magnet mode RIAA loop closure yields 58 5 dB and 38 5 dB respectively at 1 kHz...

Page 12: ...ath This switching is accomplished with the same type of CMOS FET electronic switch used for the Input Selector This switching arrangement eliminates signal degradation due to mechanical switch contacts and allows the electronic switch to be located very close to the Line Amplifier circuitry The Bass Control is of a moving inflection variable turnover type and the Treble Control is of a shelving v...

Page 13: ... from your Hafler Dealer Review the installation instructions before attempting this procedure If any doubts exist about one s ability to install the Phono Option it is advisable that the procedure be conducted by a qualified technician WARNING UNPLUG THE UNIT FROM AC POWER BEFORE ATTEMPTING THIS PROCEDURE FAILURE TO DO SO CAN RESULT IN SEVERE ELECTRICAL SHOCK AS WELL AS DAMAGE TO THE PREAMPLIFIER...

Page 14: ...PLASTIC BUTTON T PHONO PC BOARD MAIN PC BOARD 4 PIN CONNECTORS PLASTIC STANDOFFS INSTALLATION OF OPTIONAL PHONO PRINTED CIRCUIT BOARD ...

Page 15: ...ecurely mate to the sockets Be sure not to stress the component lead where it enters the body of the part Observe carefully which sockets are for MM capacitors and for MC resistors 3 Replace cover NOTE Even while experimenting with different optional loads the cover must be replaced before re applying AC power not only for safety reasons but to shield hum and interference which can totally invalid...

Page 16: ...ET LOADS C A P A C I T O R S MOVING COIL LOADS 1 RESISTORS PHONO BOARD 3181 3181 MAX DETAIL OF COMPONENT INSERTION INTO PHONO LOAD SOCKETS INSERT LEADS INTO OUTER TWO HOLES INSTALLATION OF OPTIONAL CARTRIDGE LOADS ...

Page 17: ...wner The 915 Preamplifier is configured for normal operation when all toggle switches are in the down position That is Tape Monitor is NOT selected Tone Controls are OFF and the outputs are ON If no sound is heard from the system first check the position of the Tape Monitor and Output switches If altered tonal balance is detected even with the Bass and Treble controls centered check the position o...

Page 18: ...ectrically live chassis Therefore this method of ground isolation should be employed only when absolutely necessary rather than as a general practice When using a ground adaptor for isolation make sure that the power cord plug is inserted into the receptacle in the same orientation as if no adaptor were present to maintain the same hot neutral polarity SPECIAL NOTE ON VIDEO CABLE GROUNDS As mentio...

Page 19: ...I t I 915 PREAMPLIFIER FUNCTIONAL BLOCK DIAGRAM ONE CHANNEL SHOWN PHONO OPTION INSTALLED ...

Page 20: ...04 Q5 Q105 Q6 Q106 Q7 Q8 0 SW1 SW2 SW3 SW4 2SK163 Graded 2SK163 Graded 2SK163 2SK163 2SK163 2SJ74 BC560C BC560C BC560C BC550C Rotary Switch Toggle Switch Toggle Switch Power Switch SW5 SW1 05 Toggle Switch RLY1 RLY2 Relay Relay VR1 VR101 VR2 VR102 VR3 VR103 VR4 VR104 Volume Control Balance Control Bass Control Treble Control LED1 Tri Color LED J1 J3 J 4 J5 J9 J10 4 Pin Header IEC Connector Conveni...

Page 21: ...wvuwla mom lN3NOdW03 awoa mm13 NIVW NOlldO ONOHd LIOA CY tl P r 21 nqy 1 10 u us I I I I I ...

Page 22: ...A B 100 12OVW c 200 240 VAE rJoba i 1 L A D 7 1N5226B Bci D6 i lN4145 RlQ 1OK 1 15V di PWNOOPllONJUMPERS PHONOPWER1 K 4 15V 15V L C H hL CH Rl 15V ...

Page 23: ...RIGHT CHANNEL ONLY SHOWN 2 COMPONENT DESIGNATORS 1 99 F O R COMMON AND RIGHT CHANNEL PARTS 100 199 FUR L E F T CHANNEL 5 ML RESISTORS IN OHMS CAPACITORS IN M I C R O F A R A D S 4 TCNE5WllCHSHWNINBYPASSPO5RlCN 5 TAPE MONITOR SWITCH S H O W N IN WE POSITION 6 MUERW AY5lUWNINUNMUTEDPDSnlDN ...

Page 24: ...04 2SJ72 Q5 Q105 2SJ74 Q6 Q106 2SK163 SW1 SW1 01 4PDT Switch J1 J3 4 Pin Receptacle RMP 4 6810 RMP 8 0332LN RMP 8 0332LN RMP 4 6810 RMP 4 2672 RMP 4 3323 RMP 4 4752 RMP 4 3160 RMP 4 1000 RMP 8 0332LN RMP 4 3324 RMP 4 1001 RMP 4 2215 RMP 4 1005 RMP 4 3160 RMP 4 3324 RMP 4 1001 RMP 4 2215 RMP 4 1005 RMP 4 3160 SSH 674 SSH 674 SSH 617C SSH 617C SSH 617D SSH 614 SWH 125 CCH 240 All Capacitors In Micro...

Page 25: ... 1 0 2 I I I 11 4 4 a a En En R1B05 R1B05 c5 c5 R R 13 13 0 1 0 4 0 1 0 4 R l 1 8 R l 1 8 OS OS ii ii R l 1 3 R l 1 3 jRSo jRSo f oRll f oRll Rl9 Rl9 R6 R6 Rl4 Rl4 Rfli Rl150 Rl150 BfWOd BfWOd Rll9 Rll9 R 1 0 8 R 1 0 8 R l 1 4 R l 1 4 J3 J3 11 I I 4 4 52 52 4 4 PHONO BOARD COMPONENT LAYOUT DIAGRAM 23 ...

Page 26: ...WER R 1 8 II I B 22 1M PHONO OUTPUT 06 2SK163 QR 2 0 316 1 RIGHT CHANNEL ONLY SHOWN 2 COMPONENT DESIGNATORS 1 99 FOR RIGHT CHANNEL PARTS 1 W 199 FOR LEFT CHANNEL 3 ALL RESISTORS IN OHMS CAPACITORS IN MICROFARADS 4 MC MM SWITCH SHOWN IN MOVING MAGNET POSITION PHONO BOARD CIRCUIT SCHEMATIC DIAGRAM ...

Page 27: ...en years from the date of purchase including parts labor and return shipping costs within the Continental United States This warranty applies only to products sold in the United States Of America For warranties outside the USA 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 accepted U...

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