HT-GT1
48
IC4002, 4005 BD00GA3WEFJ-E2
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
SOFT
TSD
OCP
IC4004 TPS54260
EN 3
VIN 2
BOOT 1
9 GND
10 PH
7 VSENSE
6 PWRGD
SHUTDOWN
LOGIC
BOOT
CHARGE
THERMAL
SHUTDOWN
SS/TR 4
RT/CLK 5
ENABLE
THRESHOLD
ENABLE
COMPARATOR
+
+
–
8 COMP
FREQUENCY
SHIFT
LOGIC
OSCILLATOR
WITH PLL
LOGIC
&
PWM LATCH
BOOT
UNDERVOLTAGE
LOCKOUT
SLOPE
COMPENSATION
MAXIMUM CLAMP
PULSE SKIP
VOLTAGE
REFERENCE
PWM
COMPARATOR
6
CURRENT
SENSE
ERROR
AMPLIFIER
UNDERVOLTAGE
LOCKOUT
MAXIMUM
CLAMP
OVERLOAD
RECOVERY
UNDER VOLTAGE
OVER VOLTAGE
– PANEL Board –
IC401 BU9795AKS2
SEG29 45
SEG28 44
SEG27 43
SEG26 42
SEG25 41
SEG24 40
SEG33 49
SEG32 48
SEG31 47
SEG30 46
COM1 52
COM0 51
SEG34 50
COM2
1
COM3
2
NC
3
VLCD
4
VDD
5
VSS
6
OSCIN
7
CSB
8
SCL
9
SDA
10
NC
11
TEST
12
INHB
13
SEG0
14
SEG1
15
SEG2
16
SEG3
17
SEG4
18
SEG5
19
SEG6
20
SEG7
21
SEG8
22
SEG9
23
SEG10
24
SEG11
25
SEG12
26
SEG14
28
SEG13
27
NC
29
SEG15
30
SEG16
31
SEG17
32
SEG18
33
SEG19
34
SEG20
35
SEG21
36
NC
37
SEG22
38
SEG23
39
IF FILTER
SERIAL INTER FACE
OSCILLATOR
POWER ON
RESET
COMMAND
DATA DECODER
BLINK TIMING
GENERATOR
COMMOM
COUNTER
COMMOM
DRIVER
DDRAM
SEGMENT
DRIVER
COMMAND
REGISTER
LCD BIAS
SELECTOR
+
+
LCD VOLTAGEGENERATOR