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NF-1 & NF-1A

NF-1 & NF-1A

6

15

2. CONTROLS, INDICATORS & CONNECTORS

1. Power LED

2. Heat sink
3. Loudness control [

VOL, -

 ~ MAX (0dB)

]

4. Tweeter level control

[

TWEETER LEVEL, -3 ~ 0dB ~ +3

]

5. Hi-Mid attenuator [

HI-MID ATT., ON / OFF

]

6. High-frequency filter selector

[

HI-FREQ, +3dB / 0 / -3

]

7. Low-frequency filter selector

[

LO-FREQ, +3dB / 0 / -3

]

8. Unbalanced input terminal

[

INPUT, UNBAL -10dBV (phone jack)

]

9. Balanced input terminal

[

INPUT, BAL +4dBu (XLR)

]

10. Power switch [

POWER

]

11. AC IN connector [

AC IN

]

    NF-1A

AC IN

3k

1k

5kHz

10kHz

-3dB

0dB

-3dB

0dB

+3dB

HI-MID ATT.

HI FREQ

LO FREQ

-3dB

0dB

+3dB

60Hz

 RISQUE

ELECTRIQUE

CHOC

DE

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

AVIS:

 NE PAS OUVRIR.

WARNING:

TO
SHOCK,DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.

REDUCE

THE RISK OF FIREOR ELECTRIC

OFF

ON

POWER

+4dBu

BAL

3:C

2:H

1:G

-10dBV

UNBAL

INPUT

-3

0

+3dB

LO FREQ

-3

0

+3dB

HI FREQ

OFF

ON

HI-MID ATT.

MAX

(0dB)

VOL

LEVEL

TWEETER

0dB

-3

+3

3

4

5

6

7

8

9

10

11

2

1

Ref. No.

Part No.

Description

8274 2700 00 PCB Assy, Power Amp, NF-1A

8251 9930 01 Plain PCB, Power Amp, NF-1A

ICs

Ref. No.

Part No.

Description

U001

8236 0781 01 PT, DG, driver, DTC114ES

U501

8236 0361 00 PT, SIP, AN, op amp, BA4560N

U502

8236 0466 00 HZIP, AN, power amp, LM3886TF

U510

8236 0466 00 HZIP, AN, power amp, LM3886TF

TRANSISTORs

Ref. No.

Part No.

Description

Q001

8234 1099 00 V, NPN, 2SD1200F

Q002

8234 1100 00 V, PNP, 2SB889F

DIODEs

Ref. No.

Part No.

Description

D001

8234 1977 01 V, stack, GBU6D

D002, 003 8234 5039 59 HT, zener, 15V, MTZJ15

RESISTORs

Ref. No.

Part No.

Description

R001, 002 8230 1384 72 HT, Carbon, 1/4W, 4.7k

, 5%

R003

8230 1384 74 HT, Carbon, 1/4W, 470k

, 5%

R004, 005 8230 1292 71 H, fuse, 1/2W, 270

, 5%

R501, 502

N/A

R503

8230 1381 03 HT, Carbon, 1/4W, 10k

, 5%

R504

8230 1382 03 HT, Carbon, 1/4W, 20k

, 5%

R505

8230 1381 02 HT, Carbon, 1/4W, 1k

, 5%

R506

8230 1381 51 HT, Carbon, 1/4W, 150

, 5%

R507

8230 1381 03 HT, Carbon, 1/4W, 10k

, 5%

R508

8230 1382 03 HT, Carbon, 1/4W, 20k

, 5%

R509

8230 1381 00 HT, Carbon, 1/4W, 10

, 5%

R510, 511 8230 1381 03 HT, Carbon, 1/4W, 10k

, 5%

R512

8230 1381 02 HT, Carbon, 1/4W, 1k

, 5%

R513

8230 1381 31 HT, Carbon, 1/4W, 130

, 5%

R514

8230 1384 72 HT, Carbon, 1/4W, 4.7k

, 5%

R515

8230 1381 03 HT, Carbon, 1/4W, 10k

, 5%

R516

8230 1382 03 HT, Carbon, 1/4W, 20k

, 5%

R517

8230 1381 00 HT, Carbon, 1/4W, 10

, 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 %, SME-VB

C013, 014

N/A

C501, 502 8232 9012 22 VT, PES, 50V, 0.0022µF, 5%, AMZF

• POWER AMP PCB assy

Ref. No.

Part No.

Description

C503, 504 8232 8031 03 VT, CER, 50V, 0.01µF, 5%, YF

C505

8232 1461 05 VT, ALU, 50V, 1µF, 20 %, SME-VB

C506

8232 8014 70 VT, CER, 50V, 47pF, 5%, SL

C507

N/A

C508

8232 8012 21 VT, CER, 50V, 220pF, 5%, SL

C509

8232 9011 04 VT, PES, 50V, 0.1µF, 5%, AMZ

C510

8232 9013 92 VT, PES, 50V, 0.0039µF, 5%, AMZF

C511

8232 9012 22 VT, PES, 50V, 0.0022µF, 5%, AMZF

C512

8232 1431 07 VT, ALU, 16V, 100µF, 20 %, SME-VB

C513

8232 8014 70 VT, CER, 50V, 47pF, 5%, SL

C514, 515

N/A

C516

8232 8012 21 VT, CER, 50V, 220pF, 5%, SL

C517

8232 9011 04 VT, PES, 50V, 0.1µF, 5%, AMZ

MISCELLANEOUS

Ref. No.

Part No.

Description

E001

Wire, jumper, F5

E002

Wire, jumper, F10

E003

8207 0122 05 Holder, cable, 5P, 51048 (W501)

J501

8245 3050 03 Connector, PI, jack, VH, 3P, WHT

J502

8245 3050 04 Connector, PI, jack, VH, 4P, WHT

Y401

8221 3301 00 Bracket, pcb, power amp, NF-1A

W005~007 8245 5430 00 Terminal, IPS-5007

W501

8276 9185 15 Cable, flat, 5P, S-KINK, L150

W502

N/A

• INPUT PCB assy

Ref. No.

Part No.

Description

8274 2710 00 PCB Assy, Input, NF-1A

8251 9930 02 Plain PCB, Input, NF-1A

ICs

Ref. No.

Part No.

Description

U101~103 8236 0361 00 SIP, AN, op amp, BA4560N

RESISTORs

Ref. No.

Part No.

Description

R101, 102 8230 1382 03 HT, Carbon, 1/4W, 20k

, 5%

R103, 104 8230 1382 03 HT, Carbon, 1/4W, 20k

, 5%

R105

8230 1384 73 HT, Carbon, 1/4W, 47k

, 5%

R106, 107 8230 1381 03 HT, Carbon, 1/4W, 10k

, 5%

R108

8230 1388 22 HT, Carbon, 1/4W, 8.2k

, 5%

R110

8230 1383 93 HT, Carbon, 1/4W, 39k

, 5%

R111

8230 1388 23 HT, Carbon, 1/4W, 82k

, 5%

R112

8230 1384 34 HT, Carbon, 1/4W, 430k

, 5%

R113

8230 1381 05 HT, Carbon, 1/4W, 1M

, 5%

R114

8230 1384 33 HT, Carbon, 1/4W, 43k

, 5%

R115, 116 8230 1384 73 HT, Carbon, 1/4W, 47k

, 5%

R117

8230 1382 02 HT, Carbon, 1/4W, 2k

, 5%

R118

8230 1383 02 HT, Carbon, 1/4W, 3k

, 5%

R119

8230 1381 62 HT, Carbon, 1/4W, 1.6k

, 5%

R120

8230 1384 72 HT, Carbon, 1/4W, 4.7k

, 5%

    NF-1A PCB Assy  Parts List

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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