S-3
S3. Block Diagram
S3.1. Power Supply Block Diagram
DMP-BD85 POWER SUPPLY CIRCUIT BLOCK DIAGRAM
F1001
P1001
(AC SOCKET)
A
N
VA1001,L1001
D1006,C1014
SURGE
SUPPRESSOR
AND
SURGE
ABSORBER
RECTIFIER
1
2
3
12
16
12
1
15
11
10
9
1
2
3
8
7
5
6
T1001
(POWER TRANSFORMER)
7
1
4
9
5
2
IC1021
(SWITCHING IC)
IC1130
(DC-DC CONVERTER)
IC1102
(SHUNT REGULATOR)
F/B
Z/C
3 GND
VCC
VIN
Q1022
(FEED BACK)
4
3
1
2
Q1131
(REG5.9V)
4
3
1
5
6
2
Q1023
(FEED BACK)
4
3
1
2
Q10101
D1110
P1102 P58001
P1102 P58001
IC7001
(VFD DRIVER)
3
1
4
2
REF
C
A
NC
QR1101
QR1131
D1027
D1026
D1031
D1032
VIN
V5
EN
EXT-Up
14
VB
13
LX
6
9
1
2
3
8
FB
OSC
7
RS+
8
RS-
P ch
MOS
FET
D
D
D
D
G
S
PW X SW12.2V
PW X SW5.9V
P1102 P58001
SP SAVE L
P1102 P58001
FL DCDC ON H
F-
F-
F+
F+
VEE
To DIGITAL P.C.B.
HOT
COLD
T1101
(FL POWER
TRANSFORMER)
QR1170
Q1170
Q1171
D1176
9
D1173
5
DP7001
(FL DISPLAY)
1
2
31
32
30
PW -18V(V+)
PW -15V(V-)
PW -21V(VP)
9-11
6-4
3
12
4-6
11-9
12
3
13
P54001 P4001
18,19
P54001 P4001
16,17
P4001 P54001
15
P54001 P4001
21
P54001 P4001
PW ADAC5V
PW X SW12.2V
P STANDBY H
PW AUDIO+9V
20
P54001 P4001
VREF
REGULATOR
REGULATOR
CONTROL
Q4001
TL4001
TL4002
QR4001,4002
PW IEC5V
PW IEC5V
To DIGITAL P.C.B.
From DIGITAL P.C.B.
AUDIO OUT P.C.B.
Summary of Contents for DMP-BD85EB
Page 6: ...6 2 3 Precaution of Laser Diode ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 24: ...24 ...
Page 25: ...25 ...
Page 26: ...26 9 Service Fixture Tools ...
Page 34: ...34 10 2 6 Grease ...
Page 38: ...38 11 1 2 Checking and Repairing of Audio Out P C B ...
Page 39: ...39 11 1 3 Checking and Repairing of BDP Digital P C B Module ...