S-5
S3. Block Diagram
S3.1. Power Supply Block Diagram
S3.1.1. Power Supply Block Diagram (1)
3
4
1
2
FB
S
VIN
EXT UP
D
6
8
7
5
G
4
Q14202
(REG.DR+5V)
1
S
2
S
3
D
2
6
5
1
S
4
Q13102
(REG.DR+12V)
G
3
16
EN 2
6
15
VIN
1
IC14201
(DC-DC CONVERTER)
FB
S
VIN
EXT UP
D
6
8
7
5
G
4
Q14402
(REG.X SW+4V)
1
16
6
15
EN 2
VIN
1
IC14401
(DC-DC CONVERTER)
FB
S
VIN
EXT UP
D
6
8
C
B
A
7
5
G
4
Q14302
(REG.X SW+5.8V)
1
S
2
S
3
16
6
15
VIN
1
IC14301
(DC-DC CONVERTER)
2
IC12201
(ERROR VOLTAGE DET.)
1
3
(RESET)
IC1601
2
1
VDD V OUT
DR+12V
DR+12V
DR+5V
DR+5V
1
P1602
4
P1602
DMR-XS350EB
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
2
3
4
(FEED BACK)
Q12201
1
2
3
4
D11304
D10101
D10102
(SWITCHING IC)
F/B
Z/C
GND VCC
VIN
+
-
~
~
IC11301
7
9
3
1
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,VA11102,
F11101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
P11101
AC SOCKET
D11305
D11303
H
L
42
IC59502-
49
IC59502-
DR P ON
41
L
IC59502-
P SAVE
40
IC59502-
HDD P FAIL
L
SP SAVE
TO/FROM
TIMER
BLOCK
SECTION
FROM
TIMER
BLOCK
SECTION
TO HDD
1
P1603
4
P1603
TO
DVD DRIVE
X SW+12.5V
X SW+4V
X SW +5.8V
P SAVE L
S
3
S
2
Summary of Contents for DIGA DMR-XS350EB
Page 5: ...5 2 2 Precaution of Laser Diode ...
Page 9: ...9 3 2 Service Information 3 3 Caution for DivX ...
Page 15: ...15 4 Specifications ...
Page 16: ...16 ...
Page 17: ...17 5 Location of Controls and Components ...
Page 18: ...18 ...
Page 56: ...56 Installation for Rail Throw in the groove of Rail and Tray and slide to the fore of Tray ...
Page 57: ...57 9 2 11 Grease ...
Page 58: ...58 9 2 12 How to Clean the Lens of Optical Pick UP Follow the 9 2 1 Upper Base Ass y ...
Page 61: ...61 10 1 2 Checking and Repairing of DVD Drive ...
Page 62: ...62 10 1 3 Checking and Repairing of AV IO P C B ...
Page 63: ...63 10 1 4 Checking and Repairing of HDD ...
Page 64: ...64 10 1 5 Checking and Repairing of Digital P C B ...
Page 83: ...S 17 ...