Panasonic DMR-BS780EB, Service Manual

Page: 66 / 136

S-7
S3.1.2. Power Supply Block Diagram (2)
DMR-BS785EG/BS885EG
Power Supply Block Diagram(2/2)
FROM TIMER BLOCK SECTION
FROM TIMER BLOCK SECTION
8
P7202 P7501
TO
FRONT(R)
P.C.B.
LCD+5V
21
P58004 P6701
TO
DIGITAL
P.C.B.
USB+5V
X SW+12.3V
X SW+5.9V
14,15,16,17
P58006 P6703
H P STANDBY
H FL BSB ON
53 IC59501-
FROM TIMER BLOCK SECTION FROM TIMER BLOCK SECTION
H AU ON
54 IC59501-
EXT CTL1
26
IC3001-
DIGITAL P.C.B. S2 TUNER PACK P.C.B.
AV IO P.C.B.
V OUT 3
V IN 1
ON 2
IC1611
(REG. FL +LCD+5V)
H
V OUT 4
V IN 5
ON 1
IC1621
(REG. USB +5V)
H
TO
IC3001
TO
JK4901
1 11
P3002 P58003
5
3
1
IC3004
(REG. PS +5V)
VIN
VOUT
CNT
P SAVE L
39
IC59501-
3
CNT
12,13
P58006 P6703
1 2
IP58005
1 2
IP58401
1 2
IP58001
X SW +5.9V
2,3,4
PS8102 P58002 X SW +12.3V
X SW +5.9V
X SW +12.3V
X SW +12.3V
X SW +5.9V
A
B
H
5
3
1
IC4901
(REG. OPT +5V)
VIN VOUT
: ON
TO
IC3001
5 1
IC3005
(REG. AVIO +5V)
VIN VOUT
12
PS8101 P58011 X SW+3.8V
TO
IC8101
TO
TU8101
5
3
4
IC8109
(REG. +2.5V)
VIN VOUT
H
3
2
1
IC8110
(REG. +3.3V)
VIN
VOUT
: ON
TO
IC8101,8105,8106
5
3
4
IC8108
(REG. +3.3V)
VIN
VOUT
H : ON H : ON
13
PS8101 P58011
1
PS8102 P58002
SW+1.0V
X SW+3.8V
SW+1.0V
SW+1.0V SW+1.0V
FROM DIGITAL BLOCK SECTION
H PFE ON
TO
TU8101
TO
IC8101
TO
IC8103,8104
3
2
1
IC8107
(REG. +3.3V)
VIN VOUT
H : ON
3 2
IC58401
(REG. SW+1.0V)
VIN VOUT
7
H : ON
3 2
IC58005
(REG. X SW+3.8V)
VIN VOUT
7
H : ON
FROM TIMER BLOCK SECTION
H P STANDBY
FROM DIGITAL BLOCK SECTION
H PFE ON