Sony HBD-E280 - Page 57

HBD-E280/T28
57
IC1361 MM1685YNRE
IC1401 TPIC1391DBTRG4
1VIN
2GND
3CONT
4NOISE
5VOUT
DRIVER
CURRENT
LIMITTER
THERMAL
SHUTDOWN
BIAS
REFERENCE
6SWR_OUT_SEL
1LEDO
2LATCH_SET
30 LATCH_RSOUT
5SWR_SEQ2
3LATCH_CLR
STP1_IN
27 CSWO
29 LATCH_XRSOUT
25 FB3P3V
26 TEST1
23 PGND_SW
28 CSWI
7STEP_ENA
24 REG3P3V
4SWR_SEQ1
8
14A5V
9STP2_IN
10XLEDON
22 REG1PXV
13XRESET
11CSWON
19 STP2-
21 P5V_SW
17 STP1-
18 STP2+
20 FB1PXV
15AGND
16 STP1+
12COLLIENDZ
POWER
MONITOR
LATCH
CIRCUIT
POWER
MOS FET
SWITCHING
REGULATOR
STP1 CONTROL
CIRCUIT
CURRENT SWITCH
CONTROL CIRCUIT
SWITCHING REGULATOR
VOLTAGE RESET CONTROL
STP2 CONTROL
CIRCUIT
COLLIMATOR
END DETECTION
PRE-DRIVER
REFERENCE
TSDVCO
LED
SWITCH
LED
CONTROL
CIRCUIT
SWITCHING
REGULATOR
INTERNAL
CONTROL
A5V
A5V
CURRENT
SWITCH
SWITCHING
REGULATOR
POWER
MOS FET
PRE-DRIVER
A5V
A5V