Yamaha Electone F-25 Manuel utilisateur

F25

SERVICE MANUAL

PA 011468

1.53K-001 Printed in Japan ’99.08

HAMAMATSU, JAPAN

CONTENTS

SPECIFICATIONS ................................................... 3

DIMENSIONS ........................................................... 3

SCHEMATIC DIAGRAM .......................................... 4

PARTS LIST .............................................................................. 5

SPEAKER SYSTEMS

F25

19990805-275000

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F25

IMPOR TANT NOTICE

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed

that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-

stood by the users, and have therefore not been restated.

WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in per-

sonal injury, destruction of expensive components and failure of the product to perform as specified. For

these reasons, we advise all Yamaha product owners that all service required should be performed by an

authorized Yamaha Retailer or the appointed service representative.

IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-

cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of

any form.

The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and

service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable

and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to

exist, please contact the distributor’s Service Division.

WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may

have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect

to this buss.)

IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power

to the unit.

WARNING: CHEMICAL CONTENT NOTICE!

The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where

applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly

other entities) to cause cancer and/or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT

SO EVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose

eyes to solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling

food.

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F25

SPECIFICATIONS

Model

Frequency Range

Power Capacity

PRGM

MAX

Nominal Impedance

Sensitivity

Nominal

Dispersion 60°

Vertical 40°

Crossover Frequency

Input Connectors ×2

×2

Mode Switch

Components

Enclosure

Dimensions (W × H × D) 575 ×1225 ×550 mm

Weight

Accessory —

4 Ω

45 Hz to 20 kHz

700 W (EIA RS-426)

1400 W

2800 W

98 dB (W, m)

1.5 kHz

NEUTRIK NL4MPR

Full Range & Bi-Amp

15" cone (JAY6150)

3" Titanium diaphragm driver (JAY2120)

Bass Reﬂex Type

63 kg

NOISE

Horizontal

F25

UNIT : mm

D:550

287

75°

H:1225

W:575

DIMENSIONS

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F25

SCHEMATIC DIAGRAM

H/S

(4 PLACES)

LEFT CONNECTOR

RIGHT CONNECTOR

8" RED

187

8" YELLOW

4" RED

187

4" YELLOW

187

RIGHT CONNECTOR

LEFT CONNECTOR

RIGHT CONNECTOR

CONNECTOR

NL4MP

NEUTRIK

187

8" BLUE

187

8" BLACK

4" BLUE

187

4" BLACK

187

(FULL RANGE POSITION SHOWN)

ROTARY SWITCH

4.25" BLACK

11 4.25" BLACK

(3 PLACES)

H/S

10" YELLOW

10" RED

10" BLUE

10" BLACK

10" RED

PCB

+HIN

+LIN

-HIN

-LIN

L2 R3

28" YELLOW 250

28" BLUE

28" BLACK

250

187

+HF

-HF

-LF2

L1 1.00mH

0.8mH

20µF/200V

10µF/250V

6.8µF/250V

18Ω 10W

8.2Ω

10W 8.2Ω

10W

20µF/200V

C1A

+LF

C1B

28" BLACK 187

187

-LF1

+LF2

+LF1

28" RED

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F25

: New Parts

REF NO. PART NO. DESCRIPTION REMARKS QTY

RANK

RANK: Japan only

F25

WARN

17 17

23a

23c

23b

OVERALL ASSEMBLY F25

2 Woofer 15” Celestion 253

3 Pan Head Screw #10-32x1-1/2 16 01

4 Horn RCF H6040YAM 127

5 Driver B&C 156

5a Diaphragm 1

6 Pan Head Screw #10-32x1-1/2 12 01

7 Plane Washer #10SAE BL 28 01

12 Rubber Foot 402

13 Pan Head Screw #10-32x1 3/4 4

14 Corner Protector 206

15 Corner Protector 206

16 Corner Protector 403

17 Trass Head SM Screw #6x5/8 14 01

19 Trass Head SM Screw #6x5/8 601

21 Flat Head SM Screw #10x3/4 BLK 12 01

22 Fin Washer #10 BLK 16 01

23 Network-input Assembly (NBY0659) 1

23a Network Assembly 1

23b Rotary Switch 1

23c Neutrik Connector 2

25 Metal Grille 118

26 Carpet (WRAP) (CBY0458) 1

27 Carpet (TOP/BTM) (CBY0459) 2

28 Metal Handle 208

29 Pan Head Screw #10-32x1 3/4 12

30 Speaker Gasket 12 03

31 YAMAHA Logo 106

32 7/32 Push Nut 201

33 Fiberglass 20” wide (8020000)

34 Fiberglass 12” wide (8012000)

37 Flat Head Screw #10x2 BLK 401

JAY61500

EKY00340

CBY04480

JAY21200

NBE21200

EKY00340

EKY01360

CBY03890

EKY01410

AAY02180

AAY02190

AAY02320

ETAG1030

EFAK1230

EWFK0030

NAY00370

KAY00070

LBY00110

AAY02410

AAY02200

EKY01410

CBY01480

CBY04490

EKY01370

EFAK3230

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