86
11.2. Power Supply Block Diagram
D11301
D11309
Q11301
G
D
S
DRIVER
REGULATOR
8
7
3
6
IC11301
ON/OFF
CONTROL
1
5
4
2
MAIN SW
GATE CONTROL
STANDBY
VCC
ZCD
D11308
Q11304, D11310
OUT
OCL
VIN
CONTROL
NC
GND
FB
OVERCURRENT
DETECTION
Z/C DETECTION
GATE ON TRIGGER
MAIN P.C.B.
DIGITAL P.C.B.
2
3
1
4
R
IC12202
(ERROR VOLTAGE DET.)
(ST 3.3V)
IC6811
K
A
DMR-UBS80EG/UBS90EG
Power Supply Block Diagram
D13201
(FEED BACK)
Q12201
1
2
3
4
+
-
~
~
N
L
RECTIFIER
D11101,C11105
HOT
COLD
6
5
3
P2
B1
B2
1
P1
12
11
10
8
9
7
POWER
TRANSFORMER
T11302
VA11101,L11101
F11101
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
P11101
AC SOCKET
1
P6702
P58807
TO
HDD
TO
BD DRIVE
11,12,13,14,15
P58807
P6702
PW PX SW +12.3V
TO
FRONT DOT FL
P.C.B.
FROM TIMER
BLOCK SECTION
H
IP59501
2
1
H
H
QR59504
(FL VF ON :ON)
L
Q59507
( :ON)
H
QR58701
(DR P ON :ON)
L
Q58701
( :ON)
QR59508
(FL BSB ON :ON)
L
QR59507
( :ON)
H
FL VF ON
62
IC59501-
H
FL BSB ON
63
IC59501-
H
DR P ON
41
IC59501-
IC58701
(REG. DR +5V)
VIN
EN
SW
2
IP58701
1
2
IP58802
1
2
IP58803
1
2
IP58804
1
5
3
2
IC58502
(REG. X SW +3.8V)
VIN
EN
SW
VDD
OUT
2
IP58501
1
2
(RESET)
IC58501
1
5
3
2
IC58601
(REG. X SW +5.1V)
VIN
EN
SW
2
IP58601
1
5
3
2
IC58801
(REG. FL +5V)
VIN
EN
VOUT
7
P7201
P58802
3
1
6
FL +5V
FL +3.3V
DR +12V
HDD +5V
PW X SW +3.3V
IC59507
(REG. X SW +3.3V)
VIN
VOUT
:ON
9
P7201
P58802
10,11
P58810
9
P58810
9,10,11
P58805
3,4,5
P58805
8
P7201
P58802
1
4
3
6
P7201
P58802
FL +12V
Содержание DMR-UBS80EG
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Страница 7: ...7 2 2 Precaution of Laser Diode ...
Страница 36: ...36 ...
Страница 37: ...37 ...
Страница 78: ...78 9 2 6 Grease ...
Страница 79: ...79 9 2 7 How to Clean the Lens of Optical Pick UP Follow the 9 2 1 Upper Base Ass y ...
Страница 82: ...82 10 1 2 Checking and Repairing of Digital P C B ...
Страница 84: ...84 ...