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Detailed instructions for use are in the User's Guide.
[. . . ] Use a minus (-) screwdriver to set the voltage selector (on the rear panel) 10 the voltage setting lor Ihe area in which Ihe unit will be used. (11 Ihe power supply in your area is 117 V or 120 V, set 10 the "127
V" position. )
Note that Ihis unit will be seriously damaged il Ihis setling is not
made correctly. (There is no voltage selector lor some countries;
the correct voltage is al ready set. )
THIS TUNER/RECEIVER IS CAPABLE OF RECEIVING THE NEW AM STEREO BROADCASTS FROM THE AM BAND RADIO STATIONS. HOWEVER LlKE MANY TUNERS AND RECEIVERS CURRENTLY AVAILABLE ON THE MARKET IT WILL REPRODUCE THIS AM STEREO SIGNAL ONL Y IN AM MONO. [. . . ] Pay attent ion to the following points when attaching the anten na. · Do not attach it horizontally (to do so would impair recep tion). · Do not attach it close to metal surfaces (to do so would result in noise). · Do not attach it close to power cords, speaker wires, etc. · Do not attach it close to a tape deck (when the tape deck is being used, chirping or beeping sounds may be received). Connect the AM loop antenna to the AM 3ntenna terminals located on the rear panel of the unit.
When attaching the antenna to a wal!, column or rack
Find the height and direction of the anten na where reception is best and then fix it vertically to the wall, rack, etc.
When attaching the antenna to the unit - - - ,
This type of installation may cause impaired recept ion or result in signa I noise. If possible, attach the antenna to the rack, a wall, or a column. Move the anten na toward the right or left to find the point of best receptio . ll AM loop anten na (included)
Column
AM anten na holder (A) (included)
J~
i6
, ", , ~.
i
_, . ~. I>
AM loop
antenna (included)
-4
Front Panel Controls and Their Functions
Power "stand by eb, on" switch
This switch turns on and olf the secon dary circuit power only_ The unit is in the "stand-by" condition when this switch is set to the "stand by ó" position. Regardless ol the switch setting, the primary circuit is always "live" as long as the power cord is connected to an elec trical oullet.
The indication AM used here includes both MW and LW tor Model sT·500L.
I
FM
MW
LW
Band selectors (band) - -
FM: Press th is button to listen to an FM broadcast. AM: Press this button to listen to an AM broadcast. For AM broadcasts with extremely strong signa I transmis· sions, the frequency memorized may be slightly different Irom the correct frequency, If this occurs, use the manual control to memorize.
Automatic memory presetting
The FM broadcasting stations and AM broadcasting stations will be automatical!y preset to "channels" 1 through 16 lor FM
and 9 through 16 lor AM, respectively,
The FM broadcasting stations, MW broadcasling stations, and LW broadcasting stations will be automatically preset in
"channels" 1 through 16 for FM, 9 through 16 for MW, and 13 through 16 for LW, respectively.
Note: When AM is automatically preset, Ihe FM stations on "channels" 9 through 16 wil!be replaced by the new AM stations,
"on" ( I - __ )
Channel display Memory indicator
"FM": "AM":
lor FM broadcasts for AM broadcasts
"FM": for FM broadcasts "MW": lor MW broadcasts "LW": for LW broadcasts
Before presetting the broadcasting stations, press to select the appropriate frequency step for your locality, (Reler to page 5. )
5
Confirm the names (call signs, etc. ) of the broadcasting sta· tions which are preset to each channel, and enter them on the
file sheet (page 8).
3
Set to the lowest frequency.
Tuning Press the left button to change the Irequency downward,
and press the right button to change the frequency upward.
-FM: 87. 50 MHz -AM: 522 kHz (9 kHz
step)
or 530 kHz
(10 kHz step)
· To check the front channels (CH 1 - 8) Press momentarily,
o~
Frequency stored in the memory and
channel number are displayed,
Pu1
- FM: 87. 50 MHz -MW: 522 kHz (9 kHz step) or 530 kHz (10 - LW: 153 kHz (- 2kHz shift) or 155 kHz
. 1
kHz step)
. . .
Press the button and hold slightly (frequency wil!(Refer to page 5. )
Memory indicator
5
While the memory indicator is iIIuminated, press the button of the desired channel.
When the button is pressed, the memory in dicator illumination will stop, and the preset ting is complete.
3
Press the appropriate tuning the desired broadcast.
Tuning
Press the left button to change the frequency downward, and
press the right button to change the frequency upward
· Automatic tuning Press the button. When the frequency indication begins to change, release the button (a broadcasting
station will be selected automatically). Repeat this
operation until the desired station is found.
· Manual tuning Press the button momentarily and tune to the desired station. The frequency will change each time the but ton is pressed.
· To preset channels 1 through 8: Press the appropriate button momentari
Iy, and then release. [. . . ] IHF) Channel balanee (250 HZ~'6, 300 Hz) . 5 dB Limiting point 1. 2 j. 1V Bandwidth IF amplifier 180 kHz
FM demodulator 1000 kHz Antenna terminals 750 (unbalanced)
Frequeney range Sensilivily (SIN 20 dB) Seleclivily (+9 kHz) Image rejeelion al 999 kHz IF rejeclion al 999 kHz
530~1620
kHz (9 kHz-steps) kHz (10 kHz-steps)
20 I. N, 3001. Nlm
55 dB 40 dB 60dB
·
LW TUNER SECTION
(ST-G90 only)
155~353 kHz kHz (2 kHz shilt) 50 j. 1V 55 dB 40 dB 60 dB
Frequency range
153~351
Sensitivity (SIN 20 dB) Selectivity at 254 kHz Image rejection at 254 kHz IF rejeetion at 254 kHz
·
GENERAL
Output voltage 0. 3V (O. 6V, IHF)
Power eonsumption 9W
Power supply For Australia AC 50 Hz/60 Hz, 240V For continental Europe AC 50 Hz/60 Hz, 220V For others AC 50 Hz/60 Hz, 11 OV/127V1220V/240V Dimensions (WXHXD) 430 X 53 200 mm (16-15/16" X 2-2/32" X 7-27/32") Weight 1. 8 kg (3. 9 lb. ) Note:
Total harmonie distortion is measured by the digital spectrum analyzer (H. P. 3045 system).
9
Troubleshooting Guide
Belore requesting service lor th is unit, check Ihe chart below lor a possible cause ol the problem you are experiencing. Some simple checks or
a minor adjuslment on your part may eliminate Ihe problem and resto re proper operation.
11 you are in doubt about some ol the check points, or il Ihe remedies indicated in Ihe chart do not solve Ihe problem, reler to the directory ol
Authorized service centers (enclosed with th is unit) to locate a convenient service cenIer, or consult your Technics dealer for instructions. [. . . ]
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