Semi-Conductor Lead Identifications - Alpine 3554 Service Manual

4/3/2 channel power amplifier
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3554
Semi-Conductor Lead Identifications
uPC4570HA: IC 101, 102, 201, 202
16301, 302, 401, 601
a
pPC1270H: 10103, 203, 303, 403
MUTING
+VccP(FIRST STEPS)
+Vcco
(DRIVE STEPS)
CS ora
3
CONSTANT
BIAS
CURRENT LOAD
TEMPERATURE
COMPENSATION] "| ppive
STEPS
SP
ees
-VCCD(DRIVE STEPS)
pwPC494C: IC501
Ga) INV.
INPUT
INV.
INPUT
(©)
FEED
BACK(w) DEAD
TIME
CONTROL
a DP =

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