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STR-DA5400ES
IC2506, 2507 TC74VHC153FT (EL)
DATA INPUTS
STROBE
A
VCC
2G
SELECT
2C3
2C2 2C1 2C0
16
15
14
13
12
11
2C3 2C2 2C1 2C0
2G
B
B
A
B
B
A
1G
1C3 1C2
1C1 1C0
2
4
5
1
3
6
STROBE
B
1C3 1C2
1C1 1C0
1G
SELECT
DATA INPUTS
– DC-DC Board –
IC1401, 1404 SI-8050S-LF1101
OVER
REGULATOR
CURRENT
PROTECTOR
OSC
RESET
+
COMPARATOR
+
ERROR AMP
1
IC1405 SI-8120JF
ON/OFF
PREG
SOFT
START
OSCILLATOR
COMPARATOR
+
+
+
ERROR AMP
1
126
OUTPUT
2Y
9
10
2Y
A
A
1Y
7
8
OUTPUT
GND
1Y
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2
3
4
5
OVERCURRENT
PROTECTION
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
VOLTAGE
2
3
4
5
– DISPLAY Board –
IC703 NJM2173AV (TE2)
OUT1
1
AMP1
AMP2
DC CUT1
2
IN1
3
MIC V+1
4
REG
5
GV
NOISE
6
REG
GND
7
IC1402, 1403 SI-8008HFE
ON/OFF
PREG
SOFT
START
OSCILLATOR
COMPARATOR
+
+
+
ERROR AMP
1
– DCDC2 Board –
IC1451 SI-8008HFE
OVER
REGULATOR
CURRENT
PROTECTOR
RESET
ON/OFF
OSC
SOFT
COMPARATOR
START
+
+
ERROR AMP
1
14 OUT2
13 DC CUT2
12 IN2
11 MIC V+2
10 GV
9 STBY
8 V+
OVERCURRENT
PROTECTION
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
VOLTAGE
2
3
4
5
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
VREF
2
3
4
5

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