S3. Block Diagram; S3.1. Power Supply Block Diagram; S3.1.1. Power Supply Block Diagram (1 - Panasonic DMR-BS750EG 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
RECTIFIER
AND
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
T11301
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 L :OFF)
HOT COLD
IC14201 Q14202
(DC-DC CONVERTER) (REG.DR+5V)
14 VIN EXT 11 4 G
3 S
2 S
6 F B CS 13 1 S
EN 16
Q13102
(REG.DR+12V)
4 S 1
2
D
3 G 5
6
QR13101
(DR P ON H :ON)
IC14301 Q14302
2
(DC-DC CONVERTER) (REG.X SW+5.9V)
1 VIN EXT 15 4 G 5
6
3 S
D
7
2 S
6 F B VIN 16 1 S 8
OS 9
QR10103
(S P SAVE L :OFF)
S-6
5
IC1601
6
D (RESET)
7
HDD P FAIL L
P6701
8 2 VDD V OUT 1
DR P ON H
SP SAVE L
DMR-BS750EG,BS850EG
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
P58004
18
TO/FROM
TIMER
BLOCK
SECTION
P6703 P58006
10
P6703 P58006
22
X SW +12.3V
B
X SW +5.9V
A