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10 - 1
POWER BOARD-
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 10-1
Circuit Diagram .................................................................................. 10-2
PCB Layout Top View ....................................................................... 10-3
PCB Layout Bottom View .................................................................. 10-4
INTERNAL IC DIAGRAM - AP3843GMTR
subwoofer
INTERNAL IC DIAGRAM - LNK362PN
7
VCC
UVLO
34V
5
GND
2.50V
VREF
GOOD
LOGIC
4
R
/C
OSC
T
T
OVER TEMP
PROTECT
ERROR
AMP
2R
+
2
FB
-
1
COMP
R
CS
3
V
-V
FB
TH
10 - 1
8
5V
S/R
REP
INTERNAL
BIAS
6
S Q
Q
R
PWM
1V
LATCH
CURRENT
SENSE
COMPARATOR
5.8 V
4.8 V
REF
OUTPUT
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