Technics STG 70 Service Manual

Page 2

ST G70

I FRONT PANEL CONTROLS AND FUNCTIONS

Co rol sec ton

[I] Power switch (power)

El FM lF band selector (IF band)
The butltrtn computer ot thts untl detects the etgrtal
condttton and luncttons accordtngly to select the FM lF band
automattcally Thts button ts used to change tt manually

Memory-search button (memory search)

Thts button ts used to conltrm a memory presetttng
It the button ts pressed the memortzed trequency and
channel number wtll be shown one atterthe other tn order

El Memory button (memory)

Thts button ts used when preset memory setttng ot the
presetituntng buttons ts made

Tuning control (tuning)

Thts control ts used to select an FM or AM broadcast
Whenturntngthe control tothe lelt the frequency changes
downward When turnth the control to the rtght, the
lequency change upward

(E Tuning-mode selector/indicator (tuning mode)
Each ttme thts selector ts pressed the selectton changes tn
sequence to auto trtanual'ano lock
auto:
ln thts posttton broadcast stattons are autotrtattcally
selected when the tuntng conttol ts turned to the lett or rtght
to start the trequency changtng
manual:

In thts posttton the tuntng control can be used to locate the
des

lock:

ln thts pOSttton the broadcast statton presently betng heard
ts locked tnt and other broadcast stattons cannot betuned to
even tl the luntng control ts turned

Scan level selector (scan level)

Thts button ts used lor setttng 0r conttrrntng the level at the
receptton Stgnal durtng automattc FM tuntng

PreseHuning buttons
(39 channel random preset tuning)
These buttons are used to preset FM and AM broadcast
lreouenCtes tnto the memory ol thts untt. and are also
pressed to select the destred preset frequenCIes

[3 Band selectors (band selector)
FM:
Press thts button to ltsten to an FM broadcast
AM:
Press thts button to ltsten to an AM broadcast

FM mode selector (FM mode)

It netse is excesswe In stereo broadcasts a swttchover to
monaural reception can be made

When there ts a change to monaural receptton, the
tllurntnatton ot the FM mode tndtcator changes to the
mono posttton