Parts List; Pre-Assembly - Ramsey Electronics UAM4 Manual

40 watt universal stereo audio amplifier
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Parts List

Capacitors
2– 10uF electrolytic marked 106 (C12, C17)
4– 47uF electrolytic marked 476(C5, C6, C13, C14)
1– .01uF (no marking)
4– .1uF (no marking)(C7, C11, C15, C16)
1– .47uF (no marking)(C9)
5– 1uF (no marking) (C1, C2, C3, C4, C10)
Resistors
3– 1K ohm marked 102 (R2, R3, R7)
4– 10K ohm marked 103 (R1, R4, R5, R6)
Semiconductors
1– MAX9708 audio amplifier (U1) factory installed on board
1– 7.5 volt zener diode marked 7.5M or Z8 (D2)
1– LED (red) (D1)
1– MMBT3906 PNP transistor marked 2A (Q1)
Misc Components/Hardware
4– Screw terminals (J6, J7, J8, J9)
1– 2.1 mm power jack (J5)
2– 3 position terminal blocks (J1, J2)
2– 2 position terminal blocks (J3, J4)
8– 3 position jumper headers (H1, H2, H4, H5, H6, H7, H8, H9)
1– 2 position jumper header (H3)
9– Jumper blocks
1– 24awg stranded insulated jumper wire
1– 24awg solid insulated jumper wire
1– UAM5 circuit board
1– UAM4 manual (if you're reading this you have the manual:-)
Components:
Thru Hole Solder Points: 57
SMT Solder Points:
Solder points:

Pre-Assembly

Make sure to check that all components are present and identify them before
starting to assemble your UAM4. The small capacitors are not marked and
are in separate packages with each value in its own pack. Be careful and
don't remove them from their package until you are ready to install them, as it
will be very difficult to determine which is which if they get mixed up! The
46
54
111 (not including 57 points on MAX9708)
UAM4• 10

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