HBD-E370/E470/E570/E870/T57
69
IC2301 TPIC1391DBTRG4
6
SWR_OUT_SEL
1
LEDO
2
LATCH_SET
30 LATCH_RSOUT
5
SWR_SEQ2
3
LATCH_CLR
STP1_IN
27 CSWO
29 LATCH_XRSOUT
25 FB3P3V
26 TEST1
23 PGND_SW
28 CSWI
7
STEP_ENA
24 REG3P3V
4
SWR_SEQ1
8
14
A5V
9
STP2_IN
10
XLEDON
22 REG1PXV
13
XRESET
11
CSWON
19 STP2-
21 P5V_SW
17 STP1-
18 STP2+
20 FB1PXV
15
AGND
16 STP1+
12
COLLIENDZ
POWER
MONITOR
LATCH
CIRCUIT
POWER
MOS FET
SWITCHING
REGULATOR
STP1 CONTROL
CIRCUIT
CURRENT SWITCH
CONTROL CIRCUIT
SWITCHIG REGURATOR
VOLTAGE RESET CONTROL
STP2 CONTROL
CIRCUIT
COLLIMATOR
END DETECTION
PRE-DRIVER
REFERENCE
TSD
VCO
LED
SWITCH
LED
CONTROL
CIRCUIT
SWITCHIG
REGURATOR
INTERNAL
CONTROL
A5V
A5V
CURRENT
SWITCH
SWITCHING
REGULATOR
POWER
MOS FET
PRE-DRIVER
A5V
A5V
6
VCC1
1
V IN
2
VCC1
16 VCC2
110k
:
BIAS
5
PB IN
110k
:
BIAS
4dB
3
PR IN
MUTE
2dB
2dB
2dB
2dB
4dB
110k
:
BIAS
13 PR OUT
75
:
DRIVER
MUTE
CONTROL
LPF
CONTROL
15 V OUT
LOW-PASS
FILTER
6.75MHz
75
:
DRIVER
LOW-PASS
FILTER
13.5MHz
LOW-PASS
FILTER
30MHz
11 PB OUT
12 GND
9 VCC2
14 SD/HD
75
:
DRIVER
LOW-PASS
FILTER
13.5MHz
LOW-PASS
FILTER
30MHz
7
PY IN
110k
:
BIAS
10 PY OUT
75
:
DRIVER
LOW-PASS
FILTER
13.5MHz
LOW-PASS
FILTER
30MHz
4dB
4dB
4
BIAS
VREF
8
IC1003 MM1797CVBE
4
5
6
2
1
3
VO
FB
GND
VCC
N.C.
EN
+
SOFT
TSD
OCP
IC1451 BD35630HFV-TR
Содержание HBD-E370
Страница 113: ...MEMO HBD E370 E470 E570 E870 T57 113 ...