S-6
S3.1.2. Main P.C.B. Power Supply Block Diagram (2)
DMR-EX93CEG
Main P.C.B. Power Supply Block Diagram (2/2)
FET
D
S
G
Q1501
(DR+5V OUT)
4
1
2
5
6
3
PS+5V
D+3.3V
GND
5V
AU+5V
AU+5V
L
I/O P SAVE
IC3001- 36
H
TU P ON
IC3001- 38
PS+11.6V
IC3001- 46
(REG. AU+5V)
IC4001
VOUT
VIN
5
2
CONT
3
4
GND
H :ON
(REG.+1.5V)
IC7304
VOUT
VIN
5
2
3
1
GND
94
84
42
IC3001-
/
/
(REG. 5V)
IC3002
VOUT 5
2
GND
3
CONT
1 VIN
5
6
10
1
IC7301-
/
13
/
/
/
/
/
20 21
28
/
35
/
30
23
IC7301-
/
40
25
8
6
IC3001-
/
/
/
(REG. PS+5V)
IC3003
VOUT
VIN
5
3
2
1
CONT
MAIN P.C.B.
A
C
D
H
B
IC7302
5
4
VIN
OUT
(RESET)
34
IC7301-
4
P1503
TO HDD
1
P1503
DR+5V
DR+12V
DR P ON
QR1503
( H
: ON)
P59001
P7402
44,46
P91001
P7801
3.4
17.18
P59001
P7402
58,60,62,64
P59001
P7402
53
P59001
P7402
29
ANA+5V
P59001
P7402
68
P59001
P7402
52,54
P7402
P59001
26
Q3001
(
:ON)
DR+5V
DR+5V
TO U/V TUNER
AV IO P ON
PS +11.6V
FROM DIGITAL P.C.B.
FROM DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
FROM DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
HDD P FAIL
IC7802
(5V REGULATOR)
4
3
5
+5V
P59001
P7402
2
TO DIGITAL P.C.B.
TO DVB-C CI P.C.B.
TO DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
TO DIGITAL P.C.B.
P59001
P7402
5
FROM
DIGITAL P.C.B.
ANALOG TIMER
BLOCK SECTION
P59001
P7402
11
P59001
P7402
7
Q4001, QR4001
(
:ON)
TO U/V TUNER
VOUT
VIN
:ON
H
FROM /TO MAIN P.C.B.
ANALOG AUDIO BLOCK SECTION
FROM MAIN P.C.B.
ANALOG AUDIO BLOCK SECTION
L
L
BST ON
D+3.3V
H
DI P ON H
H
TO DVB-C CI P.C.B.
X-SW+5.8 V
P91001
P7801
2
19
IP7801
2
1
IC7801
VOUT
VIN 2
5
3
CONT
P59001
P7402
9
ANT PON H
DR+12V
X SW+12V
IP7802
2
1
X SW+12.5V
Summary of Contents for DMR-EX93CEG
Page 2: ...2 ...
Page 6: ...6 2 2 Precaution of Laser Diode ...
Page 8: ...8 3 Service Navigation 3 1 Service Information 3 2 Caution for DivX ...
Page 11: ...11 4 Specifications ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 5 Location of Controls and Components ...
Page 15: ...15 ...
Page 36: ...36 9 2 P C B Positions ...
Page 44: ...44 10 1 2 Checking and Repairing of Power P C B ...
Page 45: ...45 10 1 3 Checking and Repairing of RAM Digital P C B Module ...
Page 46: ...46 10 1 4 Checking and Repairing of Main P C B ...
Page 47: ...47 10 1 5 Checking and Repairing of HDD ...
Page 61: ...S 11 ...
Page 75: ...S 25 ...
Page 85: ...S 35 ...
Page 90: ...S 40 ...