S-6
S3. Block Diagram
S3.1. Power Supply Block Diagram
L
3
4
1
2
S
B
F
CS
EXT
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
13
EN 16
6
11
VIN
14
IC14201
(DC-DC CONVERTER)
S
B
F
VIN
EXT
D
6
8
A
7
5
G
4
Q14302
(REG.X SW+5.9V)
1
S
2
S
3
16
OS 9
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-BS750EG,BS850EG
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,
F11101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
P11101
AC SOCKET
D11305
D11303
H
L
DR P ON
HDD P FAIL
L
SP SAVE
TO/FROM
TIMER
BLOCK
SECTION
TO HDD
4
P1601
1
P1601
TO
BD DRIVE
X SW +5.9V
B
X SW +12.3V
QR10103
(S P SAVE :OFF)
18
P58004
P6701
10
P58006
P6703
22
P58006
P6703
S3.1.1. Power Supply Block Diagram (1)
Содержание DMR-BS750EG
Страница 5: ...5 2 2 Precaution of Laser Diode ...
Страница 8: ...8 3 2 Service Information 3 3 Caution for DivX ...
Страница 15: ...15 4 Specifications ...
Страница 16: ...16 ...
Страница 17: ...17 ...
Страница 18: ...18 5 Location of Controls and Components ...
Страница 19: ...19 ...
Страница 49: ...49 9 2 6 Grease ...
Страница 50: ...50 9 2 7 How to Clean the Lens of Optical Pick UP Follow the 9 2 1 Upper Base Ass y ...
Страница 53: ...53 10 1 2 Checking and Repairing of BD Drive ...
Страница 54: ...54 10 1 3 Checking and Repairing of AV IO P C B ...
Страница 55: ...55 10 1 4 Checking and Repairing of HDD ...
Страница 56: ...56 10 1 5 Checking and Repairing of Digital P C B ...
Страница 71: ...S 13 ...
Страница 77: ...S 19 ...
Страница 95: ...S 37 ...
Страница 133: ...S 75 S8 4 Packing Parts and Accessories Section A1 1 PC2 PC3 A1 A2 A5 PC1 PC4 A3 A4 BATTERY REMOTE CONT PC5 ...