Read Sony ICF-F11S / ICF-F12S Service Manual online
aged by heat.
agram and electrical parts list of ICF-F12S: Saudi Arabia model.
When repairing the set of ICF-F11S and ICF-12S: E model, refer
to either of original service manual/SUPPLEMENT-1 according
to the set.
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
• Unleaded solder melts at a temperature about 40 °C higher
Caution: The printed pattern (copper foil) may peel away if the
Unleaded solder is more viscou-s (sticky, less prone to fl ow)
occur such as on IC pins, etc.
It is best to use only unleaded solder but unleaded solder may
This model is used two ceramic fi lters of CF1 and CF3.
You must used same type of color marked ceramic fi lters in order
to meet same specifi cations.
Therefore, the ceramic fi lter must be changed two pieces together
since it’s supply two pieces in one package as a spare parts.
supplied) with correct polarity.
Standards. The actual battery life may vary
depending on the circumstance of the unit.
When the sound becomes weak or distorted, replace
all the batteries with new ones.
• Do not charge the dry batteries.
• Do not carry the dry batteries with coins or other
and negative terminals of the batteries are
accidentally contacted by a metallic object.
battery leakage and corrosion.
Adjust the direction of the
antenna by holding the bottom of
it. The antenna can be damaged
when you move the antenna with
from instruction manual.