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MAIN POWER SUPPLY P.C.B. MAIN P.C.B.


T1 DC-DC CONVERTER
POWER
Z2 D1,C9 TRANSFORMER
D+1.8V PS105 PP1501
T1 SO1 A
AC SOCKET 1,2 1,2
P1 F1
250V2A
SURGE RECTIFIER
SUPPRESSOR D+3.3V PS105 PP1501
AND P2 S3 SO2 B
SURGE 3,4 3,4
DR2
ABSORBER




IP101
Q108,109
S5 DR1 VCC 2 1
P OFF(L) PS105 PP1501
C
14 14
D

IC1
(CONSTANT VOLTAGE CTL.)




7 VCC OUT 6 P1 S1
F101
VREF 125V 2.5A
X SW+5.9V PS105 PP1501
8 E
8 8



B1



IP102
X SW+5.15V PS105 PP1501
B2 S2 1 2
6 6




Q103
REG.D+12V
REG.+12V (TO DVD RAM DRIVE)



Q105


PC1 IC102

PHOTO SHUNT
COUPLER REG.




X SW+13V PS105 PP1501
F
10 10


Q107
REG.D+5V
REG.+5V (TO DVD RAM DRIVE)




Q104,Q106




DR P ON(H) PS105 PP1501
18 18



HOT COLD

DMR-E50EB/EG/GCS
Power Supply Block Diagram