Fostex NF-1, Service Manual

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NF-1 & NF-1A NF-1 & NF-1A
16 5
Ref. No. Part No. Description
8274 2720 00 PCB Assy, SW, NF-1A
8251 9930 03 Plain PCB, SW, NF-1A
Ref. No. Part No. Description
C011 8256 0750 05 Spark killer, 0.0047µF
C012 N/A
E001 8239 0002 00 Holder, PI, fuse, S-N5057
J001 8245 3210 00 Connector, PL, jack, AC-INLET, 3P,
0714-FR7
L001, 002 8242 1340 01 Filter, EMI, 6 hole
S001 8253 4710 03 SW, PI, rocker, power, EST15
W001 8277 1630 15 Cable assy, earth lug, SIN1.8, L150
W003, 004 8245 5430 00 Terminal, IPS-5007
W005, 006 8277 1610 10 Cable assy, SIN1.8 - wire, L100
• SW PCB assy
Ref. No. Part No. Description
R121 8230 1384 73 HT, Carbon, 1/4W, 47k
Ω
, 5%
R122, 123 8230 1383 02 HT, Carbon, 1/4W, 3k
Ω
, 5%
R124 8230 1381 62 HT, Carbon, 1/4W, 1.6k
Ω
, 5%
R125 8230 1381 02 HT, Carbon, 1/4W, 1k
Ω
, 5%
R126 8230 1384 72 HT, Carbon, 1/4W, 4.7k
Ω
, 5%
R127 8230 1384 71 HT, Carbon, 1/4W, 470
Ω
, 5%
R128 8230 1384 73 HT, Carbon, 1/4W, 47k
Ω
, 5%
R129 8230 1384 72 HT, Carbon, 1/4W, 4.7k
Ω
, 5%
R131, 132 8230 1381 03 HT, Carbon, 1/4W, 10k
Ω
, 5%
R133 8230 1386 82 HT, Carbon, 1/4W, 6.8k
Ω
, 5%
R134 8230 1381 83 HT, Carbon, 1/4W, 18k
Ω
, 5%
R135 8230 1384 72 HT, Carbon, 1/4W, 4.7k
Ω
, 5%
R136, 137 8230 1382 03 HT, Carbon, 1/4W, 20k
Ω
, 5%
R139 8230 1384 73 HT, Carbon, 1/4W, 47k
Ω
, 5%
R140 8240 2930 06 Pot., PI, RT9, 10k
Ω
A, EVUE2A
R141 8240 2930 07 Pot., PI, RT9, 10k
Ω
B, EVUE3A
CAPACITORs
ALU = Electrolytic type
CER = Ceramic type
PES = Mylar type
Ref. No. Part No. Description
C050, 051 N/A
C101, 102 8232 1431 06 VT, ALU, 16V, 10µF, 20 %, SME-VB
C103, 104 8232 8014 70 VT, CER, 50V, 47pF, 5%, SL
C105, 106 8232 1461 05 VT, ALU, 50V, 1µF, 20 %, SME-VB
C107 8232 1431 06 VT, ALU, 16V, 10µF, 20 %, SME-VB
C111 8232 9012 73 VT, PES, 50V, 0.027µF, 5%, AMZF
C112~114 8232 1461 05 VT, ALU, 50V, 1µF, 20 %, SME-VB
C115 8232 1431 06 VT, ALU, 16V, 10µF, 20 %, SME-VB
C116 N/A
C117 8232 9012 73 VT, PES, 50V, 0.027µF, 5%, AMZF
C118 8232 1431 06 VT, ALU, 16V, 10µF, 20 %, SME-VB
C119 N/A
C120, 121 8232 1431 06 VT, ALU, 16V, 10µF, 20 %, SME-VB
C122~124 8232 9011 53 VT, PES, 50V, 0.0015µF, 5%, AMZ
C125 N/A
C126 8232 1431 06 VT, ALU, 16V, 10µF, 20 %, SME-VB
C131 8232 1431 06 VT, 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, WHT
J104 8245 3080 05 Connector, PI, jack, 5P, SBRK 5S-4
L101, 102 8242 1860 13 Filter, T, EMI, LEF7B-M3R2T
DIP: Dual In Line
H: Horizontal mount
ZIP: Zigzag in-line package
SIP: Single in-line package
V: Vertical mount
T: Taping device
P: Penetrate mount
I: I form (straight)
L: L form (right angle)
DG: Digital
AN: Analogue
Abbreviation
Ref. No. Part No. Description
S110 8253 6550 19 SW, PL, slide, 4-3, non-shortening,
SSSFI, L06
S120 8253 6550 20 SW, PL, slide, 2-2, non-shortening,
SSSFI, L06
S130 8253 6550 19 SW, PL, slide, 4-3, non-shortening,
SSSFI, L06
Ref. No. Part No. Description
D001 8234 1044 00 Opt., LED, GRN, SLR-342MG3F
W001 8276 3340 20 Cable assy, 2P,
WHT8263/F-8263/F, L200
Y101 8207 0051 08 Spacer, LED, 11, LH-5-11
• LED assy
NF-1A
Specifications and physical appearance are subject to change without notice for product improvement.
Speakers
Enclosure system 2-way bass-reflex system
Drivers 160 mm HP woofer x 1 (low-leakage type)
20 mm Soft-Dome tweeter x 1 (low-leakage type)
Impedance 8
Ω
Reproduction Frequency Response 50 Hz ~ 40 kHz
Enclosure volume 9.2 liters
Maximum output sound level 106 dB (with VOL max./rated input)
Amplifiers
Output power 60 W each for low and high frequency amplifiers
Tweeter SPL adjustable level ± 3 dB
Filter characteristic adjustable level
HI-FREQ (10 kHz) + 3 / 0 / - 3 dB (selective)
LO-FREQ (60 Hz) + 3 / 0 / - 3 dB (selective)
HI-MID ATT. (3 kHz) 0 dB when switched off.
- 3 dB when switched on.
Input terminals XLR-3-31 type (for balanced input)
∅
6 mm phone jack (for unbalanced input)
Normal input level +4 dBu (XLR balanced input)
-10 dBV (phone unbalanced input)
Input impedance 20 k
Ω
or more
Crossover frequency 5 kHz
Others
Weight Approx. 11 kg
Power supply 120 V AC, 60 Hz
230 V AC, 50 Hz
Power consumption 52 W
320 mm
267 mm
340 mm
240 mm
• NF-1A Dimensions