JVC TF-HF40(J) User manual

No.70257
Jun.2001
TF-HF40(J)/TF-HF40-NK(J)
SERVICE MANUAL
HANDS FREE KIT FOR MOBILE PHONES
COPYRIGHT C 2001 VICTOR COMPANY OF JAPAN. LTD
Type
Nominal impedance
Sensitivity
Max.input capability
Cord length
Mass
Moving coil
32 ohms
98 dB/1 mW
30 mW
1.2 m (3.94 ft) with 2.5mm triple-pole plug
19g(0.67 oz) without cord
30g(1.06 oz) with cord
Specifications
Design and specifications subject to change without notice.
Earphone section
Type
Directivity
Sensitivity
Accessory
Electrical condenser
Non-directional
-60 dB(0dB=1V/0.5Pa)
Plug adaptor for Nokia
(for NK model only)
Microphone section
TF-HF40(J) TF-HF40-NK(J)
TF-HF40(J)/TF-HF40-NK(J)
The "Product Exchange System" is applicable to this product.
For limited spare parts, refer to the parts list.

2 (No.70257)
J46773-001
J46772-001
J46727-001
J46726-001
J46771-008
J46738-001
Pad Urethan
Ear Pad
Ring
Cap
film
Sheet Hologram
1
1
1
1
1
1
1
2
3
4
5
6
Item No .Parts
No.
Parts Name Description
*Parts marked ( ) are safety parts. When replacing, be sure to use the specified one.
Q'ty
Disassembly
Using the earphone
Creating an original model (Plate replacement)
TF-HF40(J)/TF-HF40-NK(J)
Parts List
TF-HF40
Creating an original model(Plate replacement)
Detaching the design plates
Turn the ring about 30 degrees to the right until it clicks.
Insert the ring,attaching the 3 lines marked on therear of the ring to position R displayed on the unit.
Insert your original or an additional design plate and the cap in the proper order onto the unit, attaching the raised part of the design plate and cap to the indented part of the headphone.
Make sure to hook your fingernails on the raised parts of the ring
Hook your fingernails on the raised parts of the ring as shown in the figure above. Turn the ring about 30degrees to the left to detach it.
Turn the unit upside down as shown in the figure to detach the cap, film and design plate.
Be careful not to damage your fingernails.If the ring is too hard to turn,use something else other than your fingernails to turn it.
Ring
Ring
Ring Rear of the ring
Cap
Cap
Indented part
Raised part Raised
part Supplied design plate
(use when original is too thin)
Original/additional design plate
Film
Design plate
1 1 2 2 3
Inserting original/additional design plates
If your original plates are too thin to fit properly in the unit, place supplied design plates under your originals to secure them tightly.
You can download a variety of graphic plate designs from our World Wide Web server, and print out the designs you like.
(http://www.jvc.com)
3
2
1
4
5
6
*Driver Unit
Ass'y
*Housing Ass'y
*Cord
For Mobile Phone / Cellular Phone with a φ 2.5mm triple-pole plug.
Hands Free Kits for Mobile Phones
Using the earphone
To the φ2.5mm
earphone jack.
MICROPHONE
Mobile phone/Cellular phone
Ear Hook
Ear Hook
Push the Ear Hook
slightly.
Ear Pad
Right Ear
Place the Ear Hook
over your ear and
adjust the Ear Hook
position to fit your
ear.
VOICE MUTING BUTTON
VOICE MUTING BUTTON
For Mobile Phone / Cellular Phone with a φ 2.5mm triple-pole plug.
Hands Free Kits for Mobile Phones
Using the earphone
To the φ2.5mm
earphone jack
or including Adapter.
including NOKIA 71xx/61xx/51xx Adapter
MICROPHONE
Mobile phone/Cellular phone
Ear Hook
Ear Hook
Push the Ear Hook
slightly.
Ear Pad
Right Ear
Place the Ear Hook
over your ear and
adjust the Ear Hook
position to fit your
ear.
TF-HF40(J) TF-HF40-NK(J)
Note : These parts which was marked (*)
will not be able to supply as our
service parts.

J46980-002
J46771-009
BT-51007-5
Adaptor
Film
Warranty infomation card
for NK model only
Pink
1
1
1
1
2
3
Item No .Parts
No.
Parts Name Description
*Parts marked ( ) are safety parts. When replacing, be sure to use the specified one.
Q'ty
(No.70257) 3
*Sheet
*Blister cover
Packing Method
TF-HF40(J)/TF-HF40-NK(J)
*Tray
1
3
2
Parts List
Note : These parts which was marked (*) will not be able to supply as our service parts.

(No.70257)
VICTOR COMPANY OF JAPAN, LIMITED
AV ACCESSORY DIVISION, YAMATO PLANT, 1644, SHIMOTSURUMA, YAMATO-SHI KANAGAWA-KEN, 242-8514, JAPAN
Printed in Japan
0104(V)
Wiring Diagram
TF-HF40(J)/TF-HF40-NK(J)
φ2.5mm triple-pole plug
Driver Unit
Mic Unit
470p
Mute SW