JVC TF-HF25-NK(J) Service Manual

Page 1
TF-HF25-NK(J)
SERVICE MANUAL
HANDS FREE KIT FOR MOBILE PHONES
TF-HF25-NK(J)
The "Product Exchange System" is applicable to this product. For limited spare parts, refer to the parts list.
TF-HF25-NK(J)
Design and specifications subject to change without notice.
COPYRIGHT C 2002 VICTOR COMPANY OF JAPAN. LIMITED
No.70267 Jun.2002
Page 2
TF-HF25-NK(J)

Specifications

Earphone section
Type Nominal impedance Sensitivity Max.input capability
Microphone section
Type Directivity Sensitivity Cord length Mass
Moving coil 32 ohms 111 dB/1 mW 10 mW
Electrical condenser Non-directional
-60 dB(0dB=1V/0.5Pa)
1.2 m (3.94 ft) with ø 2.5mm four-pole plug
5.5 g (0.19 oz) without cord
14.6 g (0.51 oz) with cord
TF-HF25-NK(J)

Method of switching the nozzle direction

Switching the nozzle direction to fit the opposite ear
Turn the nozzle to the left
Nozzle direction for the right ear
*Do not hold the rubber pad directly when switching the nozzle direction as it can come off.
Switching the nozzle direction from the left ear to the light ear.
Turn the earphone nozzle 180¡(clockwise) with the hand, holding the microphone section with the left hand.
Note : Turn the earphone nozzle counterclockwise when switching its direction from the right ear to the left ear.
Turn the nozzle to the right
Nozzle direction for the left ear
2 (No.70267)
Page 3

Packing Method

TF-HF25-NK(J)
*Tray
1
*Sheet
*Blister cover
Note : These parts which was marked (*) will not be able to supply as our service parts.
Parts List
Item No.
*Parts marked ( ) are safety parts. When replacing, be sure to use the specified one.
Parts
BT-51007-6
No.
Parts Name
Warranty infomation card
Q'ty
11
Description
(No.70267) 3
Page 4
TF-HF25-NK(J)

Wiring Diagram

φ2.5mm four-pole plug
Driver Unit
470p
Mic UnitSwitch Unit
VICTOR COMPANY OF JAPAN, LIMITED
COMMUNICATION NETWORK BUSINESS UNIT, 1644, SHIMOTSURUMA, YAMATO-SHI, KANAGAWA-KEN, 242-8514, JAPAN
(No.70267)
Printed in Japan 0206(V)
Loading...