Jvc HA-G770 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)
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
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