Power Supply Block Diagram - Panasonic DMR-UBS80EG Service Manual

11.2. Power Supply Block Diagram

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