Panasonic DMR-EH55EC Service Manual page 134

IC1505
XSW +3.3V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
Vin
1
CONT
3
IC1506
DR +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
VIN
2
ON: H
1 ON/OFF REG.
IC1507
XSW +5.2V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
8
VIN
DRIVER
CURRENT
LIMITTER
VOUT
1
Vout
5
IC
NC 4
GND
2
DRIVE AMP
PROTECTION VREF
GND
3
7 6 5
CONT
BIAS
REFERENCE
THERMAL
SHUTDOWN
CN
2 3 4
IC1520
ANA +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
VOUT
4
SENSE
5
GND
IC1510
TU +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC
VIN :ON VOUT NC
H
1 2 3 4
5 1
VOUT VIN
IC
NR GND H
:ON
4 2 3
IC1522
RESET
IC-DETAIL BLOCK DIAGRAM
5
VDD
-
+
Vref
GND CT
2 3
GND
5
VOUT
4
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