JVC HA-F51-E User manual

SERVICE MANUAL
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED. No.70285
2003/03
HA-F51-E/K/N
HA-F71-E/K/N
HA-F91-E/K/N
STEREO MINI-HEADFPHONES
70285200303 HA-F51-E/K/N
HA-F71-E/K/N
HA-F91-E/K/N
SPECIFICATION
Design and specifications subject to change without notice.
HA-F51 HA-F71 HA-F91
Type Moving coil Moving coil Moving coil
Frequency response 16Hz-20,000Hz 16Hz-20,000Hz 16Hz-20,000Hz
Nominal impedance 16 ohms 16 ohms 16 ohms
Sensitivity 104dB/1mW 104dB/1mW 104dB/1mW
Max.input capability 30mW 30mW 30mW
Cord length 1.2m (3.9ft) with stereo miniplug 1.2m (3.9ft) with stereo miniplug 1.2m (3.9ft) with stereo miniplug
Mass 5.5g (0.19oz) without cord
14g (0.5oz) with cord 5.5g (0.19oz) without cord 14g (0.5oz) with cord 5.5g (0.19oz) without cord and contol box
15g (0.53oz) with cord and control
box
Additional function - - Volume control
Accessory - CASE CASE
Model No. Model No. Model No.
CASE CASE
HA-F51-E/K/N
HA-F71-E/K/N HA-F91-E/K/N
The "Product Exchanges System" is applicable to this product.
For limited spare parts, refer to the parts list.

HA-F51-E/K/N
HA-F71-E/K/N
HA-F91-E/K/N
1-2 (No.70285)
Packing Method (HA-F51)
Wiring Diagram (HA-F51)
*Sheet
*Blister Cover
*Sub Sheet
L
R
Note : These parts which was marked *(Blister cover /
Sub sheet and Sheet) will not be able to supply
as our service parts.
3.5mm dia. Stereo Miniplug
Right
Driver Unit
Left
Driver Unit

HA-F51-E/K/N
HA-F71-E/K/N
HA-F91-E/K/N
(No.70285)1-3
Packing Method (HA-F71)
Packing Materials
* Parts marked ( ) are safety parts. When replacing, be sure to use the specified one.
Wiring Diagram (HA-F71)
SYMBOL PARTS NO. PARTS NAME Q’TY DESCRIPTION
1 J34148-001 Case 1
*Sheet
*Blister Cover
*Sub Sheet
L
R
Note : These parts which was marked *(Blister cover /
Sub sheet and Sheet) will not be able to supply
as our service parts.
1
3.5mm dia. Stereo Miniplug
Right
Driver Unit
Left
Driver Unit

(No.70285)
AV & MULTIMEDIA COMPANY Accessories Category 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan
VICTOR COMPANY OF JAPAN, LIMITED
200303WPC
Printed in Japan
HA-F51-E/K/N
HA-F71-E/K/N
HA-F91-E/K/N
Packing Method (HA-F91)
Packing Materials
* Parts marked ( ) are safety parts. When replacing, be sure to use the specified one.
Wiring Diagram (HA-F91)
SYMBOL PARTS NO. PARTS NAME Q’TY DESCRIPTION
1 J34148-001 Case 1
*Sheet
*Blister Cove
r
*Sub Sheet
L
R
Note : These parts which was marked *(Blister cover /
Sub sheet and Sheet) will not be able to supply
as our service parts.
1
3.5mm dia. Stereo Miniplug
Left
Driver Unit
Right
Driver Unit
Volume 500 Ω X 2