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NF-1 & NF-1A

Input PCB

110

J101

INPUT (UNBAL)

INPUT (BAL)

-10dBV

+4dBu

J102

C50

JUMPER

R106

10K

R108

8.2K

C102

10/16

C101

10/16

L102

BEAD

R102

20K

R101

20K

R103

20K

L101

BEAD

R107

10K

R104

20K

+15V

C105

1/50

C106

1/50

-15V

C51

NON

U101A

BA4560N

C104

47p CER

C103

47p CER

C107

10/16

R105

47K

C111

0.027 PES

C117

0.027 PES

R110

39K

R111

82K

S110B

R113

R114

43K

R112

430K

U101B

BA4560N

C120

10/16

R115

47K

C131

10/16

R131

10K

R132

10K

C134

0.0022

PES

R136

20K

R133

6.8K

C113

1/50

-15V

+15V

R134

18K

R135

4.7K

U102A

BA4560N

C112

1/50

S130A

R121

47K

C122

0.015 PES

R122

C118

10/16

R123

C123

0.015 PES

C124

0.015 PES

U102B

BA4560N

R124

1.6K

R127

470

R125

C125

NON

R126

4.7K

C126

10/16

R128

47K

S120A

VOL.

R140

10KA

C121

10/16

U103B

BA4560N

R139

47K

R129

4.7K

R120

4.7K

-15V

J103

TO POWER LED

J104

TO POWER AMP

+15V

R117

C119

NON

C132

1/50

+15V

U103A

BA4560N

R141

10KB

C115

10/16

C133

1/50

R116

47K

-15V

R118

C114

1/50

R119

1.6K

TWEETER

LEV.

HI-MID ATT.

OFF

HI-FREQ.

+3dB

0dB

-3dB

LO FREQ.

+3dB

0dB

-3dB

C136

10/16

S130D

R137

20K

C135

NON

S110A

TABLE OF CONTENTS

NF-1 owner's manual

: 8288457000 (for export & domestic model)

NF-1A owner’s manual

: 8288459000 (for export model)

: 8288460000 (for domestic model)

Parts List, exploded views and circuit diagrams are given in this manual to assist the service

technician in maintaining the Model NF-1 & NF-1A.

NOTES

The following accessories are supplied with NF-1 as the standard accessories.

Following is the packing material for the Model NF-1.

Carton, inner, 3 pads, NF-1

: 8228739000

Carton, outer, NF-1

: 8228917000

Sheet, mirror

: 8216729000

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. CONTROLS, INDICATORS & CONNECTORS . . . . . . . . . . . . . .

3. EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST . . . . . . . .

4. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . .

Following is the packing material for the Model NF-1A.

Carton, inner, NF-1A

: 8228738000

Carton, outer, NF-1A

: 8228916000

Packing, side, NF-1A

: 8228466001

Packing, front, NF-1A

: 8228466002

Sheet, mirror

: 8216729000

Содержание NF-1

Страница 1: ...al Model NEAR FIELD STUDIO MONITOR SPEAKER SYSTEM FOSTEX CORPORATION 3 2 35 Musashino Akishima Tokyo Japan 196 0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave Norwalk CA 90650 U S A PRINTED IN JAPAN FEB 2000 8288790000 ...

Страница 2: ...e point where they exit from the appliance Cleaning The appliance should be cleaned only as rec ommended by the manufacturer Nonuse Periods The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the en closure through openings Damage requ...

Страница 3: ...20 4 7K 15V 1 2 J103 TO POWER LED J104 TO POWER AMP 1 2 3 4 5 15V R117 2K C119 NON C132 1 50 15V U103A BA4560N R141 10KB C115 10 16 C133 1 50 R116 47K 15V R118 3K C114 1 50 R119 1 6K TWEETER LEV HI MID ATT OFF ON HI FREQ 3dB 0dB 3dB LO FREQ 3dB 0dB 3dB C136 10 16 S130D R137 20K C135 NON S110A TABLE OF CONTENTS NF 1 owner s manual 8288457000 for export domestic model NF 1A owner s manual 8288459000...

Страница 4: ...8 9 10 11 1 1 1 3 2 8 4 1 5 7 6 3 1 2 1 1 F1 FUSE C506 47p CER R507 10K U502 LM3886TF IN OUT3 V IN 38V V NC GND MUTE V R506 150 C505 1 50 C509 0 1 PES R509 10 NC NC R505 1K C508 220p CER 38V R508 20K TO LF SPEAKER J502 TO HF SPEAKER 1 2 3 4 R515 10K C513 47p CER 1 2 4 5 6 7 8 9 10 11 U510 LM3886TF IN OUT3 V IN 38V V NC GND MUTE V NC NC 38V C517 0 1 PES R516 20K C516 220p CER U501B BA4560N C511 0 0...

Страница 5: ... ALU 16V 10µF 20 SME VB C132 133 8232 1461 05 VT ALU 50V 1µF 20 SME VB C134 8232 9012 22 VT PES 50V 0 0022µF 5 AMZF C135 N A C136 8232 1431 06 VT ALU 16V 10µF 20 SME VB MISCELLANEOUS Ref No Part No Description E001 Wire jumper F5 E002 Wire jumper F10 J101 8245 3390 09 Connector PI jack phone YKB21 5006 J102 8245 2680 03 Connector PI jack XLR NC3FAH2 0 J103 8245 0530 02 Connector PI jack 8283 2P WH...

Страница 6: ...Ω 5 R515 8230 1381 03 HT Carbon 1 4W 10kΩ 5 R516 8230 1382 03 HT Carbon 1 4W 20kΩ 5 R517 8230 1381 00 HT Carbon 1 4W 10Ω 5 CAPACITORs ALU Electrolytic type CER Ceramic type PES Mylar type Ref No Part No Description C002 003 8232 2054 78 VT ALU 63V 4700µF 20 SMH VNSN C004 005 8232 1461 05 VT ALU 50V 1µF 20 SME VB C006 007 8232 1431 06 VT ALU 16V 10µF 20 SME VB C008 8232 1431 07 VT ALU 16V 100µF 20 ...

Страница 7: ...7280 00 Damping material 490 x 190 x 10 6 8214 3940 00 Bolt M3 torx button L20 T included in the enclosure assy 7 8214 3930 00 Bolt M4 torx button L20 T included in the enclosure assy 8 8216 7240 00 HP reflector NF 1 not included in the enclosure assy 9 8245 3580 00 Terminal CL S48 1 10 8276 9200 00 Cord red L 350 11 8276 9200 01 Cord blk L 350 NF 1 OVERALL EXPLODED VIEW PARTS LIST Ref No Part No ...

Страница 8: ...F 1A 12 8216 7340 02 Sheet connector NF 1A 13 8221 3290 00 Bracket connector NF 1A 14 8207 0002 25 Bushing SR 6N3 4 15 8216 7350 00 Sheet chassis NF 1A 16 8218 7950 00 Plate name NF 1A NF 1A OVERALL EXPLODED VIEW Speaker Enclosure Section 1 2 4 5 8 3 6 7 PO WE R 8 9 10 11 12 13 14 BTP3 x 16BZn 15 16 Foil side of Input PCB assy INPUT NF 1A R139 R116 R119 R118 R128 R125 R127 R132 R136 C134 R133 R134...

Страница 9: ... PCB assy SW NF 1A 24 8204 0580 04 Spacer 6 M3 x 6 25 8242 2680 00 Transformer power 120V USA CND NF 1A 8242 2690 00 Transformer power 230V EUR UK NF 1A 8242 2700 00 Transformer power 100V JPN NF 1A 26 8253 4230 00 SW WI rocker power SDDLA1 27 8216 7340 01 Sheet transformer NF 1A 28 8245 3400 00 Nut phone jack 29 8221 3360 00 Bracket PCB input NF 1A 30 8239 1003 19 Fuse 20 TLAG 3 15A 125V USA CND ...

Страница 10: ...06 R507 R505 R516 R001 Q001 R002 Q002 U501 U001 W501 1 1 3 1 5 11 1 11 1 NF 1A PCB Pattern Drawing Parts side of Power Amp PCB assy D001 J501 P TRANS C013 C003 R517 U510 1 1 3 B B E E 11 U502 1 11 LF HOT HF HOT C517 R513 D003 C503 C504 R503 C510 R510 R511 C511 C504 C502 D002 C516 R512 J502 SPEAKER 1 4 R515 R003 R508 R505 R506 C508 C509 R507 C506 R509 R516 C512 C008 R002 R001 R005 R004 POWER AMP 82...

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