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2004 May 05 16
Philips Semiconductors Preliminary specification
Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier
TDA8928J
C19, C20, C21,
C22, C39, C42
2.2 nF, 50 V SMD0805
C12, C13 15 nF, 50 V SMD0805
C40, C41 47 nF, 50 V SMD1206
C1, C2, C16, C17,
C26, C38
100 nF, 50 V SMD0805
C8, C9, C10, C11,
C34, C35
220 nF, 50 V SMD1206 C8 to C11 used as jumper
C32, C33 470 nF, 63 V MKT
C24, C25 1 µF, 16 V SMD1206 1206 due to supply range
C7, C14, C15,
C27
22 µF, 100 V Panasonic NHG Series
ECA1JHG220
63 V is OK
C3, C4, C5, C6 470 µF, 35 V Panasonic M Series
ECA1VM471
C18, C23, C36 these capacitors have been
removed
Resistors
R10, R26, R28,
R29
0 Ω SMD1206 used as jumpers
R24 0 Ω SMD0805 short-circuited in a new
printed-circuit board layout
R19, R21 5.6 Ω, 0.25 W SMD1206 1206 due to dissipation
R22, R23 22 Ω, 1 W SMD2512 2512 due to dissipation
R35 150 Ω SMD1206 used as jumper
R32 100 Ω SMD1206 used as jumper
R9 1 kΩ SMD1206 used as jumper
R3, R4, R16 1 kΩ SMD0805
R11, R12 2 kΩ SMD1206 used as jumpers
R25 2 kΩ SMD0805
R7, R8, R33, R34 3.9 kΩ SMD0805
R17 5.6 kΩ SMD0805
R1, R2, R15 10 kΩ SMD0805
R13, R14 15 kΩ SMD0805
R30, R31 39 kΩ SMD0805
R5, R6 220 kΩ SMD0805
R18, R20, R27 these resistors have been
removed
COMPONENT DESCRIPTION TYPE COMMENTS