S3. Block Diagram; S3.1. Power Supply Block Diagram; S3.1.1. Power Supply Block Diagram (1 - Panasonic DMR-BW500EF Service Manual

S3. Block Diagram

S3.1. Power Supply Block Diagram

S3.1.1. Power Supply Block Diagram (1)

VA11101
L11101,L11102 D11101,C11107
AC SOCKET
P11001
N
SURGE
SUPPRESSOR
RECTIFIER
AND
SURGE
F11001
A
ABSORBER
IC11201
(SWITCHING IC)
VIN 7
2 F/B 9
5
Z/C GND VCC
1 3 4
D11202
D11307
D11204 D11203
D10101
Q10101
(POWER CONT.)
IC11301
(SWITCHING IC)
VIN 7
2 F/B 9
5
Z/C GND VCC
1 3 4
D11302
D11303
D11304
T11201
POWER
TRANSFORMER
P1
1
D13102
(ERROR VOLTAGE DET.)
1 2 3
11
IC12102
(ERROR VOLTAGE DET.)
3
P2
9
B1
NS12
5
C A R
6
B2
Q12102
(FEED BACK)
4 1
3 2
D13201
(ERROR VOLTAGE
T11301 DET.)
POWER
TRANSFORMER
1 2 3
P1
1 12
11
3
P2
B1
5 8
7
6
B2
IC12201
(ERROR VOLTAGE DET.)
Q12201
(FEED BACK)
4 1 C A R
3 2
Q10102
(FEED BACK)
4 1
3 2
QR10101
(DR P ON H :ON)
HOT COLD
IC14201 Q14201
(DC-DC CONVERTER) (REG. DR +5V)
1 VIN EXT 7 4 G 5
6
D
1
7
2 S
5 FB CS 8 3 8
IC14401 Q14401
(DC-DC CONVERTER) (REG. X SW +4.0V)
1 VIN EXT 7 3 G 5
6
D
1
7
CS 8 2 S
5 FB 3 8
IC14301 Q14301
(DC-DC CONVERTER) (REG. X SW +5.8V)
1 VIN EXT 7 4 G 5
6
D
1
7
2 S
5 FB CS 8 3 8
S-6
DR+12V
DR+5V
DR+5V
DR+12V
IC1601
(RESET)
HDD P FAIL
2 VDD OUT 1
IC7501- 40
TO/FROM
TIMER
BLOCK
SECTION
DR P ON H
IC7501- 42
X SW+12.5V
X SW+4.0V P6704
X SW+5.8V
DMR-BW500EF
Power Supply
Block Diagram(1/2)
P1602
1
TO HDD
P1602
4
P1601
TO
1
BD
P1601 DRIVE
4
A
TO
P58007
DIGITAL
12,13
P.C.B.
B