Technics SL-1210G Manuel D'utilisation page 24

Troubleshooting guide
Before requesting service, make the below
checks. If you are in doubt about some of the
check points, or if the remedies indicated in the
chart do not solve the problem, contact your
dealer.
No power.
z Is the AC power supply cord plugged in?
Plug the cord in firmly. (  14)
There is power but no sound.
Sound is weak.
z Are connections to the amplifier/receiver's
PHONO terminals correct?
Connect the PHONO cables to the amplifier's
PHONO terminals. (  14)
Left and right sounds are reversed.
z Are the stereo connection cable connections
to the amplifier or receiver reversed?
Double check all connections. (  14)
z Are connections of the head shell's lead wires
to the cartridge terminals correct?
Double check all connections. (  11)
Humming heard during play.
z Are there other appliances or their AC power
supply cord near the stereo connection
cable?
Separate the appliances and their AC power
supply cord from this unit.
z Is the earth lead connected?
Make sure the earth lead is correctly
connected. (  14)
The Strobo light or the blue
indicator blinks.
Perform the following operations when the
strobo light or the blue indicator blinks. The
symptom may be improved.
Turn [ON/OFF] to OFF.

k Pull out the power plug, wait for three
seconds, and then insert the plug again.
Turn [ON/OFF] to ON and press
l
[START-STOP] to rotate the turntable.
z If the strobo light or the blue indicator blinks
again, check which one is blinking and
contact our service representative.
24
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English
Updating the firmware
To improve operation or add new functions,
the firmware for the unit is updated as needed
basis.
Before updating
z From the support website, download the
firmware for version upgrade and create a
USB memory used for version upgrade.
z See the following website for how to create
a USB memory for version upgrade.
www.technics.com/support/firmware/
1
Turn [ON/OFF] to OFF and
remove the turntable.
2
Connect the USB memory for
version upgrade to UPDATE
terminal of the
unit.
3
Turn [ON/OFF] to ON.
z When update is
started, the update
lamps light up from
left to right.
4
Check that all of the four update
lamps are lit, and then turn
[ON/OFF] to OFF.
z It takes approximately 120 seconds to
update the firmware.
5
Remove the USB memory.
Attention
z Do not press [START-STOP] when the
turntable is removed.
z Use a USB memory with FAT16 or FAT32
format.
z Do not connect any USB device other than
the USB memory for version upgrade to the
UPDATE terminal of this unit.
z No USB device can be charged from the
UPDATE terminal of this unit.
z If after connecting the USB memory and
turning [ON/OFF] to ON, the update lamps
fail to light up within 15 seconds or they are
blinking, see the following website.
www.technics.com/support/firmware/
(  13)
UPDATE
UPDATE
terminal
( )
Update lamps
SERVICE
ONLY