JVC TF-HF10J Service Manual

TF-HF10(J)/

TF-HF20-NK(J)/TF-HF20-ER(J)

SERVICE MANUAL

HANDS FREE KIT FOR MOBILE PHONES

TF-HF10(J)

TF-HF20-NK(J)/TF-HF20-ER(J)

The "Product Exchange System" is applicable to this product.
For limited spare parts, refer to the parts list.

TF-HF10(J)

TF-HF20-NK(J) TF-HF20-ER(J)

Design and specifications subject to change without notice.

COPYRIGHT C 2001 VICTOR COMPANY OF JAPAN. LTD

No.70255
Jun.2001

TF-HF10(J)/

TF-HF20-NK(J)/TF-HF20-ER(J)

Specifications

TF-HF10(J)

Earphone section

Type
Nominal impedance
Sensitivity
Max.input capability

Moving coil
32 ohms
111 dB/1 mW
10 mW

Microphone section

Type
Directivity
Sensitivity
Cord length
Mass

Electrical condenser
Non-directional

-60 dB(0dB=1V/0.5Pa)

1.2 m (3.94 ft) with 2.5mm triple-pole plug

5.0g (0.18 oz) without cord

13.6g (0.48 oz) with cord

Accessory

Using the earphone

TF-HF10(J)

Hands Free Kits for Mobile Phones

For Mobile Phone / Cellular Phone with a φ2.5mm triple-pole plug.

Using the earphone

1.Insert the earphone nozzle into your right or left ear.

2.Insert the earphone plug into the earphone jack of your Mobile
phone/Cellular phone to start a phone conversation.

MICROPHONE EARPHONE

Mobile phone/
Cellular phone

To the φ2.5mm
earphone jack.

Hands Free Kits for Mobile phones.

TF-HF20-NK(J)/-ER(J)

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 2.5mm triple-pole plug

5.5g (0.19 oz) without cord

15.1g (0.53 oz) with cord
Plug adaptor for Nokia(for NK model only)
Plug adaptor for Ericsson(for ER model only)

TF-HF20-NK(J)

Hands Free Kits for Mobile Phones

For Mobile Phone / Cellular Phone with a φ2.5mm triple-pole plug.

including NOKIA 71xx/61xx/51xx Adapter

Using the earphone

1.Insert the earphone nozzle into your right or left ear.

2.Insert the earphone plug into the earphone jack of your Mobile
phone/Cellular phone to start a phone conversation.

MICROPHONE

EARPHONE

Mobile phone/
Cellular phone

To the φ2.5mm
earphone jack
or including Adapter.

Hands Free Kits for Mobile phones.

TF-HF20-ER(J)

Hands Free Kits for Mobile Phones

For Mobile Phone / Cellular Phone with a φ2.5mm triple-pole plug.

including ERICSSON T18/628/630/688/738/788/868/888 Adapter

Using the earphone

1.Insert the earphone nozzle into your right or left ear.

2.Insert the earphone plug into the earphone jack of your Mobile
phone/Cellular phone to start a phone conversation.

MICROPHONE

EARPHONE

Mobile phone/
Cellular phone

To the φ2.5mm
earphone jack
or including Adapter.

Method of switching the nozzle direction

Switching the nozzle direction to fit the opposite ear

Turn the nozzle
to the left

*Do not hold the rubber pad directly when switching
the nozzle direction as it can come off.

2 (No.70255)

TF-HF10(J)

Nozzle direction
for the left ear

Turn the nozzle
to the right

Nozzle direction
for the right ear

TF-HF20NK(J)/-ER(J)

Switching the nozzle direction to fit the opposite ear

Turn the nozzle
to the left

Nozzle direction
for the left 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 right ear