Table of Contents
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U3 MP1580HS-LF-Z
BS 1
IN 2
SW 3
GND 4
– PANEL Board –
IC2 BU9728AKV-E2
OSC1
1
TIMING
GENERATOR
OSC2
2
V1
3
LCD DRIVER
BIAS CIRCUIT
V2
4
V3
5
VSS
6
VDD
7
SCK
8
SD
9
SERIAL
ADDRESS
INTERFACE
COUNTER
CS
10
C/D
11
COMMAND/DATA
REGISTER
COMMAND
DECODER
LCD COMMON
COM0
12
DRIVER 4BITS
13
CURRENT
Σ
SENSE
AMPLIFIER
INTERNAL
REGULATORS
Q
S
CURRENT
Q
R
COMPARATOR
COMMON
COUNTER
DISPLAY DATA RAM
SEGMENT
(DD RAM)
14
15
16
OSCILLATOR
40/380kHz
SHUTDOWN
COMPARATOR
FREQUENCY
FOLDBACK
COMPARATOR
LOCKOUT
COMPARATOR
ERROR
AMPLIFIER
48 – 37
LCD
SEG19
36
ı
ı
DRIVER
25
SEG8
32BITS
17 – 24
HCD-DF1
8
SYNC
7
EN
6
COMP
5
FB
29
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