Panasonic DMR-EX77EG Service Manual page 46

DMR-EX77EG / DMR-EX77EC / DMR-EX77EC1 / DMR-EX77EB / DMR-EX87EG / DMR-EX87EC / DMR-EX87EC1 / DMR-EX87EB
A
B X SW+3.8V
IC1506
(REG.DR+5V)
IC4901- 2
C 2 VIN VOUT 4 DR+5V
H :ON
GND
3 1
IC1520
(REG.ANA+5V)
1 VIN VOUT 5 ANA+5V
GND CONT
2 3
IC4001
(REG.AU+5V)
D
4 VIN VOUT 5 AU+5V
GND H :ON
2 3
E
IC7503
(REG.X SW+5V/RESET)
X SW+5V
VOUT 6
XSW5VOUT 8 X SW+5V
7 VIN
5V DETOUT 4
F
RESET 5
GND
1
IC7402
(REG.BOOSTER+5V)
1 VIN
VOUT 5 BOOSTER+5V
3 CONT
GND
2
IC7403
(REG.PS+5V)
1 VIN VOUT 5 PS+5V
GND CONT
2 3
G
IC1510
H
(REG.+5V)
4 VIN VOUT 5 JC REG.+5V
GND H :ON
2 3
Q1501
(DR+5V OUT)
S D
4 FET 1
G
2
5
6
3 QR1503
( :ON)
H
IC7501- 62 / 90 / 99
IR7501- 3 ,IC7504- 13 43 ,
P FAIL L
IC7501- 73
RESET L
IC7501- 12
IC3001- 42 / 84 / 94
TO
U/V
TUNER
Except (EG)
IC3001- 6 / 8 / 25 / 40
IC7301- 3 / 6 / 28 / 35
IC7302
(RESET)
2 VDD OUT 1 IC7301- 26
TO
U/V
TUNER
FROM
TU P ON H
TIMER
IC7501- 43
SECTION
MAIN P.C.B.
IP7502
(IC PROTECTOR)
XSW+5.8V_AV
1 2
XSW+3V P7402 P59001
42
ANA+3.3V P7402 P59001
56
TO
DIGITAL
D+3.8V P7402 P59001
P.C.B.
60,62
ANA+5V P7402 P59001
76
DR+5V P7402 P59001
22,24
XSW+3.8V
XSW+2.5V
HDD PFAIL L FROM
HDMI P5 ON H
TIMER
IC7501- 40
IC7501- 54
SECTION
FROM
DR P ON H
TIMER FROM
IC7501- 42 HDMI P3 ON H
SECTION TIMER
IC7501- 34
SECTION
D+3.3V P7402 P59001
IC7404-
8
34
TO/FROM
AU+5V P7402 P59001
DIGITAL
25
P.C.B.
POWER OFF L
P7402 P59001
30
DR+5V P1503
4
TO HDD
DR+12V P1503
1
Q1508
(REG.D3.3V)
D 1
S
4
D 2
5
D
3 G
D 6
IC1508
(P-ON/OFF CONTROL)
1 VIN EXT 7
FB 5
2 V5
QR1504
( L :ON)
QR1502
( L :OFF)
X SW+12V P7402 P59001
64,66,68,70,72,74
TO
DIGITAL
P.C.B.
DR+12V P7402 P59001
14,16
46
HDMI P.C.B.
IC56105
(REG.+5V)
P7501 P56101
1 VIN VO 5
P56102- 18
2
CONT
3
IC56104
(REG.+3.3V)
P7501 P56101
1 VIN VOUT 5 IC56103/IC56107(+3.3V)
4
ON H
3
IC56106
(REG.+1.2V)
P7501 P56101
1 VIN VOUT
5
ON H
2
P7501 P56101
9
P7501 P56101
10
D3R3V
P7413 PS90001
TO BACK END P.C.B.
6, 7
DMR-EX77EG/EC/EC1/EB,
EX87EG/EC/EC1/EB
Power Supply Block Diagram (2/2)
3 IC56103(+1.2V)