Digital I/F Regulator Block Diagram - Panasonic DMR-EH80VEG Service Manual

DMR-EH80VEG / DMR-EH80VEB

23.2. DIGITAL I/F REGULATOR BLOCK DIAGRAM

P11001 P15001 XSW +17V
1
FROM
P11001 P15001 XSW +5.8V
POWER SUPPLY
2,3,4
BLOCK SECTION
P11001 P15001 XSW +12V
5,6,7
POWER ON H
IC37501- 51
DRIVE POWER ON H
IC37501- 49
IC15002
(REG.D +3.3V)
1 V IN V OUT 8
ON/OFF
2
Q15002
(REG.DR +5V)
QR15003
4 S G 3
(POWER ON/ L OUT)
5 D D 2
6 D D 1
IP15001
2 1
IC15003
(DC-DC CONVERTER)
1 V IN EXT 7
2 ON/OFF FB 5
QR15002,15005
8 CS
(DR P ON H OUT)
Q15003
(REG.D +1.5V)
4 S G 3
5 D D 2
6 D D 1
IC15004
(DC-DC CONVERTER)
1 V IN EXT 7
2 ON/OFF FB 5
QR15004 Q15007
8 CS
(POWER ON H OUT)
Q15001
(DR +12V SELECT SWITCH)
1 8
2 S 7
D
3 6
4 G 5
QR15001
(DR P ON L OUT)
IC45001
(REG.AU +5V)
4 V IN V OUT 5
ON
H
3
IC37504
IP37501 (REG.+3.3V)
TO
2 1 1 V IN V OUT 5
IC37501-
CONT
3
FROM
IC37501-
IC31510
(REG.ANA +5V)
4 V IN V OUT 5
ON/OFF
3
IC31502
(REG.ANA +3.3V)
1 V IN V OUT 3
ON/OFF
2
70
TO
XSW +17V P31902 P6002
CAPSTAN
1
DRIVE UNIT
XSW +12V P31901 P6001 TO
MAIN P.C.B.
3,4
D +3.3V P39702 P9001
68,70,72,74
TO
DIGITAL P.C.B.
AU +5V P39702 P9001
17
DR +5V P15003 P102
4 1 TO
DR +12V P15003 P102 DVD-RAM DRIVE
1,2 3,4
XSW +5.8V PS37502
PP7501 TO
4,7 FL DRIVE P.C.B.
15
P31905 P6005
1,7
TO
57 MAIN P.C.B.
XSW +5.8V P31901 P6001
1,2
D +1.5V P39702 P9001
76,82,84,86,88
TO
P39702 DIGITAL P.C.B.
ANA +5V P9001
48,52
ANA +3.3V P39702 P9001
42
DMR-EH80VEG
DMR-EH80VEB
DIGITAL I/F REGULATOR
BLOCK DIAGRAM