JVC HA-G770-E/J/L Service Manual

SERVICE MANUAL

STEREO HEADPHONES

XC01220043

HA-G770-E/J/L

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

Model No.

SPECIFICATION

Type Moving coil
Frequency response 10Hz-25,000Hz
Nominal impedance 52ohms
Sensitivity 107dB/1mW
Max.input capability 100mW
Cord length 3.5m (11.48ft) OFC
Mass 255g (9.0oz) without cord

330g (11.6oz) with cord

Accessory Plug Adapter(converts stereo miniplug to stereo phone plug)

Design and specifications subject to change without notice.

COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED

No.XC012

2004/3

Packing materials and accessories parts list

These parts which was marked * ( Blister cover / Blister tray / Decorated sheet

Note:

and rear sheet ) will not be able to supply as our service parts.
Because the blister cover and rear sheet cover together
of this package are adhered by glue.

*Blister cover

2

Block No. M1MM

How to remove the Headpad Ass'y

Headpad Holder

Headpad Ass'y

Move the Headpad Ass'y in the direction of
an arrow, and remove the Headpad Ass'y from
the Headpad Holder.

1

4

*Blister tray

3

*Rear sheet

*Decorated sheet

Parts list

 SYMBOL PARTS NO. PARTS NAME Q’TY DESCRIPTION

1 J47370-001 Ear Pad 2
2 J47373-001 Headpad Ass'y 2
3 J32699-001 Plug Adapter 1 24K gold-plated
4 BT-51007-6C Warranty information card 1 for (J) models only

* Parts marked () are safety parts. When replacing, be sure to use the specifide one.

Wiring Diagram

3.5mm dia. Stereo Miniplug

VICTOR COMPANY OF JAPAN, LIMITED

AV & MULTIMEDIA COMPANY ACCESSORIES CATEGORY 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan

(No.XC012)

+

R(Right Driver Unit)

-

­L(Left Driver Unit)

+

Printed in Japan

WPC