Panasonic DMR-EH55P9 Service Manual page 56

DMR-EH55P9 / DMR-EH55PC9
IC1502
X SW +5.2V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
8 7
VIN
DRIVER
CURRENT
LIMITTER
VOUT
1 2
IC1504
JC +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
6
7
VIN
SUB
DRIVER
CURRENT
LIMITTER
REFERENCE
VOUT NC
1
IC1505
ANA +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
6 5
CONT
BIAS
REFERENCE
THERMAL
SHUTDOWN
CN GND
3 4
IC1506
DR +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
VIN
2
ON: H
1 ON/OFF
5
ON: H
BIAS
THERMAL
SHUTDOWN
GND CN
3 4
5 1
VOUT VIN
IC
NC GND
CNT
4 2 3
VOUT
4
SENSE
5
REG.
DRIVE AMP
PROTECTION VREF
GND
3
56
IC1507
ANA +3.3V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
8 7 6 5
VIN NC NC CONT
DRIVER BIAS
CURRENT THERMAL
LIMITTER SHUTDOWN
REFERENCE
VOUT NC CN GND
1 2 3 4
IC1510
VOLTAGE DETECTING
IC-DETAIL BLOCK DIAGRAM
VOUT
5 4
VDD
-
+
Vref
GND CT
2 3
Q1501,1503
POWER SUPPLY
Q-DETAIL BLOCK DIAGRAM
8 7 6 5
D D D D
S S S G
1 2 3 4
IC1502 Detail Block Diagram
IC1504 Detail Block Diagram
IC1505 Detail Block Diagram
IC1506 Detail Block Diagram
IC1507 Detail Block Diagram
IC1510 Detail Block Diagram
Q1501,1503 Detail Block Diagram
DMR-EH55P9/PC9 IC,Q-Detail Block Diagram