background image

TU78

AM/FM ProTuner

Owners Manual

 LIMITED WARRANTY

This product is warranted to the original consumer purchaser to be

free from defects in materials and workmanship under normal installation,
use and service for a period of one (1) year from the date of purchase as
shown on the purchaser’s receipt.

The obligation of Rolls Corporation under this warranty shall be

limited to repair or replacement (at our option), during the warranty period of
any part which proves defective in material or workmanship under normal
installation, use and service, provided the product is returned to Rolls
Corporation, TRANSPORTATION CHARGES PREPAID. Products returned
to us or to an authorized Service Center must be accompanied by a copy of
the purchase receipt. In the absence of such purchase receipt, the warranty
period shall be one (1) year from the date of manufacture.

This warranty shall be invalid if the product is damaged as a result of

defacement, misuse, abuse, neglect, accident, destruction or alteration of the
serial number, improper electrical voltages or currents, repair, alteration or
maintenance by any person or party other than our own service facility or an
authorized Service Center, or any use violative of instructions furnished by
us.

This one-year warranty is in lieu of all expressed warranties, obliga-

tions or liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR
LIABILITIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR-
TICULAR PURPOSE, SHALL BE LIMITED IN DURATION TO THE
ONE YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY.
Some states do not allow limitations on how long an implied warranty lasts,
so the above limitation may not apply to you.

IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL,

INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF
THIS OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED,
WHATSOEVER. Some states do not allow the exclusion or limitation of
special, incidental or consequential damages so the above limitation or
exclusion may not apply to you. This warranty gives you specific legal
rights, and you may also have other rights which vary from state to state.

Salt Lake City, Utah

9/02

TUNING

BAND SELECT

OUTPUT

ANTENNA  INPUTS

TU78

AM    FM   FMst

STER

STATION

AM: kHz

FM: MHz

87

101

95

92

88

108

104

106

530

950

675

570

1100

1250

1450

1550

1610

800

99

TUNING

TUNING

BAND SELECT

OUTPUT

ANTENNA  INPUTS

TU78

SPECIFICATIONS
FM SECTION
Frequency Range:

87.5 - 108 MHz

IF Freuquency:

10.7 MHz

30dB Sensitivity:

<=10 

m

V

S/N @ 1mV:

>=48 dB

3 dB Limiting:

<= 8

m

V

IF Rejection:

>= 80 dB

Image Rejection:

>= 25 dB

THD @ 1 mV 40 kHz dev.:

<= 1.5%

Stereo Separation (1 kHz):

>= 25 dB

AM Suppression Mod:

 30 % FM Dev., 22.5 kHz Input , Level 1 mV

De-Emphasis:

75

m

S

AM SECTION
Frequency Range:

522 - 1650 kHz

IF Frequency:

455/460 kHz

20dB Sensitivity:

<= 1mV / M

S/N @ 5mV/M:

>= 35 dB

IF Rejection:

>= 45 dB

Image Rejection:

>= 30 dB

AGC Action:

>= 45 dB

THD @ 5

m

V/M:

<= 2%

Power Supply:

Rolls PS27, 12VDC, 150mA, center neg.

Dimensions:

108mm W x 70mm D x 23mm H

Отзывы: