Panasonic DMR-XW380EB

S-5
S3. Block Diagram
S3.1. Power Supply Block Diagram
S3.1.1. Power Supply Block Diagram (1)
L
3
4
1
2
SBF CS
EXT
D
2
6
5
1G3
Q14202
(REG.DR+5V)
4
D
2
6
5
1S4
Q13102
(REG.DR+12V)
G3
13
EN 16
6
11VIN14
IC14201
(DC-DC CONVERTER)
FB
SVIN
EXT UP
D
2
6
A
B
5
1G3
Q14301
(REG.X SW+5.9V)
4
S
D
2
6
5
1G3
Q14302
(REG.X SW+5.9V)
4
16
OSC 9
EXT LO 11
6
15
SEL SYNC2
IC14301
(DC-DC CONVERTER)
2
IC12201
(ERROR VOLTAGE DET.)
1 3
(RESET)
IC1601
2 1VDD V OUT
DR+12V
DR+12V
DR+5V
DR+5V
1
P1602
4
P1602
DMR-XW380EB
Power Supply Block Diagram(1/2)
L
QR10101
(S P SAVE :OFF)
Q10101
(POWER CONT.)
H
QR13101
(DR P ON :ON)
D13201
(FEED BACK)
Q10102
1
23
4
(FEED BACK)
Q12201
1
23
4
D11304
D10101
D10102
(SWITCHING IC)
F/B
Z/C GND VCC
VIN
+
-
~
~
IC11301
7
9
31 4
5
2
N
A
RECTIFIER
D11101,C11107
HOT COLD
6
5
3
P2
B1
B2
1
P1
NS12-2
NS12-1
12
11
10
8
9
7
POWER
TRANSFORMER
T11301
L11101,L11102
VA11101,
F11101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
P11101
AC SOCKET
D11305
D11303
H
L
43
IC59501-
60
IC59501-
DR P ON
59
IC59501-
HDD P FAIL
L
SP SAVE
TO/FROM
TIMER
BLOCK
SECTION
TO HDD
1
P1603
3,4
P1603
TO
DVD DRIVE
X SW+12.3V
X SW +5.9V
QR10103
S P SAVE :OFF)