Panasonic DMR-BS750EG, Руководство по обслуживанию

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S-7
S3.1.2. Power Supply Block Diagram (2)
DMR-BS750EG,BS850EG
Power Supply Block Diagram(2/2)
12
P7201 P7901
8
P6703 P58006
7
P6703 P58006
6
P6702 P58005
TO
FRONT(R)
P.C.B.
FROM
DIGITAL
P.C.B.
XN+3.3V
10
P7201 P7901
TO
FRONT(R)
P.C.B.
LCD+5V
21
P58004 P6701
TO
DIGITAL
P.C.B.
USB+5V
XN+3.3V
X SW+5.9V
X SW+12.3V
(REG. +5V)
(B5V)
TO
IC3001
TO
JK4901
DIGITAL P.C.B.
AV IO P.C.B.
V OUT 3
V IN 1
ON 2
IC7901
(REG. LCD +5V)
H
V OUT 4
V IN 5
ON 1
IC6801
(REG. USB +5V)
H
VIN
CNT
VOUT 5 1
IC3005
9 42
P3003 P58007
36 15
P3003 P58007
11,12
P58006 P6703
VIN VOUT 5 1
IC3004
1 2
IP58005
13, 14, 15, 16
P58006 P6703
1 2
IP58004
X SW +5.9V
X SW +12.3V
A
B
H FL BSB ON
H P STANDBY
3
CNT
3
FROM
TIMER
BLOCK
39
IC59501-
L P SAVE
36 IC3001-
EXT CTL
L P SAVE
(REG. +5V)
(DMR-BS850EG ONLY)
REG. +11.6V
VIN
CNT
VOUT 5 1
IC4901
2 49
P3003 P58007
3
TO
IC3001
(REG. PS11.6V)
VIN VOUT 3 1
IC4002
2
TO
IC3001
(REG. AU5V)
VIN
: ON
VOUT 3 1
IC4001
2
FROM
TIMER
BLOCK
54
IC59501-
H AU ON
H
H
: ON H
AU ON
TO
IC3001
Q4001, QR4001
26,27,28 23,24,25
P3003 P58007
X SW +12.3V
2,3
P3001 P58003