S3. Block Diagram; S3.1. Power Supply Block Diagram; S3.1.1. Power Supply Block Diagram (1 - Panasonic DMR-BS785EG 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
P11101
F11101
A ~
+
3 1
SURGE
SUPPRESSOR
AND RECTIFIER
SURGE
N ABSORBER ~
4 - 2
IC11301
(SWITCHING IC)
VIN 7
9
2 F/B
5
Z/C GND VCC
1 3 4
D11304
D10101
D11305
D10102
Q10101
(POWER CONT.)
D11303
T11302
POWER
TRANSFORMER
P1
NS12-2
1
12
D13201
NS12-1
11
3 10
P2
9
B1
5
8
6 7
B2
IC12201
(ERROR VOLTAGE DET.)
Q12201
(FEED BACK)
4 1 1 3
3 2
Q10102
(FEED BACK)
4 1
3 2
QR10101
(S P SAVE :OFF)
L
HOT COLD
IC14201 Q14202
(DC-DC CONVERTER) (REG.DR+5V)
14 VIN EXT 11 3 G
6 FB CS 13 4 S
EN 16
Q13102
(REG.DR+12V)
4 S 1
2
D
3 G 5
6
QR13101
(DR P ON :ON)
H
IC14301
2
(DC-DC CONVERTER)
EXT UP 15
2 SEL SYNC
VIN 16
6 FB
OSC 9
EXT LO 11
QR10103
S P SAVE L :OFF)
S-6
1
IC1601
2
D (RESET)
5
HDD P FAIL
6 2 VDD V OUT 1
IC59501-
DR P ON
IC59501-
SP SAVE
IC59501-
Q14301
(REG.X SW+5.9V)
3 G 1
2
D
5
4 S
6
Q14302
(REG.X SW+5.9V)
3 G 1
2
D
5
DMR-BS785EG/BS885EG
4 S 6
Power Supply Block Diagram(1/2)
DR+12V
P1602
1
TO HDD
DR+5V P1602
4
DR+5V P1601
4 TO
BD DRIVE
DR+12V P1601
1
L
59
TO/FROM
TIMER
BLOCK
SECTION
H
43
L
60
X SW+12.3V
A
X SW +5.9V
B