S-6
S3.1.2. Power Supply Block Diagram (2)
DMR-BW780EB/BW880EB
Power Supply Block Diagram (2/2)
12
P7201
P7501
8
P6703
P58006
TO
FRONT(R)
P.C.B.
FROM TIMER BLOCK SECTION
FROM TIMER BLOCK SECTION
XN+3.3V
8
P7201
P7501
TO
FRONT(R)
P.C.B.
LCD+5V
21
P58004
P6701
TO
DIGITAL
P.C.B.
USB+5V
XN+3.3V
XN+3.3V
X SW+12.3V
X SW+5.9V
14,15,16,17
P58006
P6703
2,3,5
7,9,10
P3002
P58003
H
P STANDBY
H
FL BSB ON
53
IC59501-
FROM TIMER BLOCK SECTION
H
AU ON
54
IC59501-
EXT CTL1
26
IC3001-
FROM TIMER BLOCK SECTION
L
P SAVE
39
IC59501-
DIGITAL P.C.B.
T2 TUNER PACK P.C.B.
AV IO P.C.B.
V OUT 3
V IN
1
ON
2
IC1611
(REG. LCD +5V)
H
V OUT 4
V IN
5
ON
1
IC1621
(REG. USB +5V)
H
3
1
IC4002
(REG. PS +11.6V)
VIN
TO
IC4009,IC4012
TO
IC3001
TO
JK4901
1
11
P3002
P58003
VOUT
(DMR-BW880 ONLY)
5
3
2
1
IC3004
(REG. PS +5V)
VIN
VOUT
CNT
CNT
H : ON
12,13
P58006
P6703
1
2
IP58005
1
2
IP58004
1
2
IP58401
1
2
IP58001
X SW +5.9V
2
PS8703
P58002
X SW +5.9V
X SW +12.3V
X SW +5.9V
X SW +5.9V
X SW +12.3V
X SW +12.3V
X SW +5.9V
A
B
4
5
IC59504
(REG. XN +4.0V)
VIN
VOUT
1
H : ON
H
5
3
1
IC4901
(REG. OPT +5V)
VIN
VOUT
: ON
TO
IC3001
5
3
1
IC3005
(REG. AVIO +5V)
VIN
VOUT
FROM TIMER BLOCK SECTION
L
P SAVE
39
IC59501-
TO
TU8701
TO
TU8701
4
1
5
IC8710
(REG. +3.3V Di SW)
VIN
VOUT
H
4
1
5
IC8705
(REG. ANT+5V 2nd)
VIN
VOUT
: ON
TO
TU8701
4
1
5
IC8703
(REG. ANT+5V 1st)
VIN
VOUT
H : ON
H : ON
12
PS8702
P58011
X SW+3.8V
TO
IC8701,8702
TO
TU8701
4
1
5
IC8708
(REG. OFDM+2.5V)
VIN
VOUT
H
4
1
5
IC8711
(REG. TUNER+3.3V)
VIN
VOUT
: ON
TO
IC8701,8702
4
1
5
IC8707
(REG. OFDM+3.3V)
VIN
VOUT
H : ON
H : ON
13
PS8702
P58011
1
PS8703
P58002
SW+1.8V
X SW+3.8V
SW+1.8V
SW+1.8V
SW+1.8V
FROM DIGITAL BLOCK SECTION
H
PFE ON
TO
IC8701
1
5
8
IC8704
(REG. OFDM MAIN+1.2V)
VIN
VOUT
TO
IC8701,8702
1
5
8
IC8706
(REG. OFDM SUB+1.2V)
VIN
VOUT
H : ON
H : ON
TO
TU8701
3
2
1
IC8709
(REG. TUNER 1.8V)
VIN
VOUT
H : ON
3
2
IC58401
(REG. SW+1.8V)
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
Summary of Contents for DMR-BW780EB
Page 2: ...2 ...
Page 6: ...6 2 2 Precaution of Laser Diode ...
Page 9: ...9 3 2 Service Information 3 3 Caution for DivX ...
Page 16: ...16 4 Specifications ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 19: ...19 5 Location of Controls and Components ...
Page 20: ...20 ...
Page 49: ...49 9 2 6 Grease ...
Page 50: ...50 9 2 7 How to Clean the Lens of Optical Pick UP Follow the 9 2 1 Upper Base Ass y ...
Page 53: ...53 10 1 2 Checking and Repairing of BD Drive ...
Page 54: ...54 10 1 3 Checking and Repairing of AV IO P C B ...
Page 55: ...55 10 1 4 Checking and Repairing of HDD ...
Page 56: ...56 10 1 5 Checking and Repairing of Digital P C B ...
Page 69: ...S 11 ...
Page 83: ...S 25 ...
Page 98: ...S 40 ...