Hitachi cdr-7930 User Manual

12

Power Requirements DC Voltage +12V

±10%

1.0A

+5V

±5%

0.7A

Ripple

+12V

300 mVpp (maximum)

+5V

150 mVpp (maximum)

Dimensions ( W x H x D )

146 x 41.3 x 190 mm (Excluding front panel)
Front panel : 149.3 x 42.7 x 5 mm

Mass

0.95 kg

Operating & Storage Conditions

Temperature

5 - 45 °C

(operating)

-30 - 60 °C

(non-operating)

Relative humidity

15 - 85% RH

(operating)
(non-condensing)

10 - 90% RH

(non-operating)
(non-condensing)

Disc Diameter

120 mm, 80 mm

Rotational speed

71.3 - 52.7 s

-1

 (Approx. 4,200 - 3,200 rpm)

Capacity (1M=2

20

=1,048,576)

650 Mbytes (Mode 1)
742 Mbytes (Mode 2)
Conditions : 333,000 blocks (74 min.) for

recorded area

Record Side

Single side

Sustained Data Transfer Rate 

1,200 - 2,400 kbytes/s

(Mode 1)

(1k=2

10

=1,024)

Access Time

Average (1 / 3 - Stroke)

90 ms

(Typical) (Note 1)

Full Stroke

150 ms

(Typical) (Note 2)

Notes :

1) Average of 100 access operations, between 15-min 00-s 00-block and 35-min

00-s 00-block, with latency.

2) Average of 100 access operations, between 00-min 02-s 00-block and 59-min

59-s 74-block, with latency.

Number of Channels

2

Output Level

Line : 0.7 Vrms TYP. (47 kohms load)
Headphone : 0.6 Vrms TYP. (32 ohms load)

Output Terminal

Line : 4-pin terminal (2.54 mm pitch)
Headphone out : ø3.5 mm Jack

Data Error Rate

10

-12

 or less

(Mode 1)*

10

-9

 or less

(Mode 2)*

* Raw error rate assumed to be 10

-3

 or less.

ATAPI - BUS
40-pin non-shielded connector

Note

 Design and specifications are subject to change without prior notice.
 Hitachi has done everything possible to prevent the failure of the CDR-7930. However, it is not
 absolutely free from failure. In case it should fail, Hitachi is not responsible for the results.