Panasonic DMR-EZ49VEB

S-7
S3. Block Diagram
S3.1. Power Supply Block Diagram
44
IC9701-
H
DI P ON
47
IC9701-
L
(DC-DC CONVERTER)
42
IC11370
VIN VOUT
SENSE
ON 51
D11152 D11156
D11151
D10102
Q10101
VCC
4
GND
3
IC11150
F/B
E/OCL 5
2
Z/C
(SWITCHING IC)
1
QR11270
sw
QR10103
OSC
9
DR_P_ON
IC9701 42
H
FROM
DIGITAL IF P.C.B.
TIMER SECTION
T11150
D11270
P9101 P6001
13,15
X_SW_5R8V
QR11700,QR11701
SW
1
IP9102
2
4
A
IC11201
3
K R
2
1
2
4
3
Q11200
B2
B1
P2
P1
9
21 3
10
6
5
3
1
DMR-EZ49VEG/EC/EB
Power Supply Block Diagram
1
2
4
3
Q10102
QR11200
4
1
3
2
HOT COLD
D11101L11121
VA11110,L11120,
F11101
SURGE
SUPPRESSOR
AND
SURGE
ABSORBER
RECTFIER
SW TRANSFORMER
REG. D+12V
REG. D+5.8V
REG. AU+5.8V
REG. D+5.8V
REG. D+3.8V
REG. BE+3.8V
FROM
DIGITAL IF P.C.B.
TIMER SECTION
S_P_SAVE
FROM
DIGITAL IF P.C.B.
TIMER SECTION
TO
DIGITAL P.C.B.
TO
DIGITAL P.C.B.
TO
DIGITAL P.C.B.
TO
DIGITAL P.C.B.
TO
DIGITAL P.C.B.
TO
MAIN P.C.B.
TO
MAIN P.C.B.
TO
MAIN P.C.B.
(DC-DC CONVERTER)
(DC-DC CONVERTER)
(ERROR VOLTAGE DETECTOR)
POWER ON/OFF
CONTROLER
(FEED BACK)
(FEED BACK)
P11101
AC SOCKET
MECHA +12.5V
P9103 P6003
12
X_SW_12V
DR12V DR12V
RAM_DR5V
P9703 P59001
64,66,68,70,72,74
P9703 P59001
22, 24
P9703 P59001
14, 16
ON:
H
P9703 P59001
25
AU +5V
3
V OUT 54
IC9301
V IN
P9104 P6004
8,9,10
BE +3.3V
X SW +5.8V
V OUT1 3
IC11750
V IN
34 S
D
D
G
D
D
25
16
Q11700
IC14301
43
S
D
D
G
D
D
52
61
Q14301
61
S
D
D
G
D
D
52
43
Q14302
61 S
EXTLO
EXT UP
VIN
SEL
SYNC
LX
FB
RS+
RS-
D
D
G
D
D
52
43
Q11270
71 VIN
CS
EXT
FB
5
8
V5
IC11700
D +3.8V
P9703 P59001
60,62
2
2
13
16
15
11
6
7
8
DIGITAL IF P.C.B.