UAM4SYS
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SURFACE MOUNT COMPONENT SOLDERING INSTRUCTIONS:
You’ll notice that the circuit board contains only a few holes for component
leads to pass through. This is because the SMT components will be affixed to
the TOP side of the PC board, the side with the white printing. Be aware that
the component view for assembly is looking at the TOP side of the PC board.
Patience is the key when installing surface mount components. Typically, the
first step (after identifying the component) is to “tin” one of the PC traces that
will connect to the part. Once this is accomplished, the part can be installed by
holding it with tweezers in contact with the “tinned” trace and re-heating the
solder (see the following diagrams). Another commonly used technique is to
glue the surface mount components to the printed circuit board before
soldering. The procedure is to take a small amount of glue (usually with a pin
or toothpick) and “dab” the circuit board in the place where the component will
be affixed. Be careful not to apply too much glue as when the part is placed it
may “squash” the glue underneath the soldering tabs of the component.
Carefully place the part into position, and when the glue dries, solder the
connection.
Содержание UAM4SYS
Страница 38: ...UAM4SYS 38 RIGHT LINE OUT LEFT LINE OUT REC RIGHT REC LEFT Schematic Sheet 1 4 Input Processing...
Страница 39: ...UAM4SYS 39 Schematic Sheet 2 4 Control and Headphone Amps...
Страница 40: ...UAM4SYS 40 4 3 RED UAM4SYS_Rev3_4 4 sheets SCH Schematic Sheet 3 4 Front Panel...
Страница 41: ...UAM4SYS 41 Schematic Sheet 4 4 Power Amp Parts high lighted in grey Pre Installed not shown on Parts layout...
Страница 42: ...UAM4SYS 42 Parts Layout...
