14.2. Main Power Supply Schematic Diagram (Main Power Supply P.C.B.)
COUPLER
PHOTO
25V1000
C109
10K
R327
22K
R318
10K
R324
16.2K
R338
R335 47.5K
C314 0.033
332
R340
C310 0.1
C307 0.1
5.23K
R334
10V220
C126
100
R301
COUPLER
PHOTO
1
2
ICPN15
IP101
10
R162
100P
C129
10
R163
L118 EXCELSA24
47K
R8
47K
R9
(POWER CTL.)
UN2213
Q4
2SD601A-R
Q1
(POWER CTL.)
C11 1
C10 1
EXCELDR35
L5
10K
R143
8.2K
R141
(POWER CTL.)
2SD601A-R
Q109
(POWER ON/OFF SW)
OFF SW
POWER ON/
2SB766A
Q108
820
R140
820
R142
(POWER CTL.)
D8 AL01Z
10
R105
RN2Z
D106
16V470
C110
5V
EXCELSA24
L115
MA4075N
ZD103
47
R159
16V470
C112
L119 EXCELSA24
10
R106
FUSE
125V 2.5A
F101
2
1
NJM2904M
IC302
3
2
1
+
-
3.32K
R326
0.033
C304
10K
R316
221
R321
R325 10K
R339 16.2K
MAZ8051
ZD303
1
C308
0.033
C313
46.4K
R333
332
R341
47.5K
R337
0.033
C315
5.23K
R336
5.9K
R332
0.1
C311
+
-
5
6
4
7
8
NJM2904M
IC302
1SS355
D305
47K
R329
1SS355
D303
10K
R345
0.22
C316
10K
R344
R320 22K
R343 1K
270
R313
270
R342
8.2K
R309
2SB709A
Q309
2SD602A-R
Q306
2SD2000
Q304
221
R319
MA8051
ZD302
4.7K
R304
10K
R303
2SB710A
Q303
2SD1328-R
Q307
68K
R307
4.7K
R308
C301 1000P
R310 7.5K
1SS355
D301
4.7K
R306
R312 1K
1SS355
D302
10K
R311
MA8051
ZD301
0.1
C302
8.2K
R315
7
6
5
1
4
2
3
8
+
-
-
+
NJM2904M
IC301
C312 0.01
C306 1
10K
R322
3.32K
R323
46.4K
R331
6.98K
R330
NJM2904M
IC301
D304 1SS355
47K
R328
2SB1218A
Q308
10K
R317
4.7K
R314
1K
R305
2SB1218A
Q305
2SD602A-R
Q302
10K
R302
2SK3366
Q301
FB
COMP
GND
RT/CT
VREF
ISNS
VCC
OUT
5V CONTROLLED BLOCK
1V
2R
1R
30V
UVLO
UVLO
ENB
OUTPUT
TFF Q
QB
CLK
FF
Q
QB
R
S
-
+
-
+
-
+
+
-
ER AMP
2.5V
VCC
ENB
5V REF
OSC
H
12
C309 0.1
GPP20J
D116
GPP20J
D115
GPP20J
D119
LED WARP ON(H)
BLIND OPEN(H)
15
14
13
12
11
GND
KEY IN1
DR 12V
DR 12V
GND
KEY IN2
GND
KEY IN3
10
9
8
7
6
5
PS102
MAIN P.C.B.
TO PP1503
DR 5V
4
2
1
3
DR 5V
X SW 5.15V
BLIND OPEN(H)
LED WARP ON(H)
10V680
C107
(DC-DC CIRCUIT)
S(1,2,3)
G(4)
D(5,6,7,8)
D(5,6,7,8)
S(1,2,3)
G(4)
S
D
G
R5 22K
ICPN25
IPI02
MA8051
ZD104
AC SOCKET
WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
IMPORTANT SAFETY NOTICE:
IN THE PARTS LIST,AND MAY BE SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.THE CORRECT PART NUMBER IS SHOWN
HOT
COLD
(REG.+12V)
UPA1717G
Q103
(REG.+5V)
UPA1720G
Q107
(POWER CTL.)
UN2111
Q106
1K
R137
35V47
C127
2.7K
R144
10V220
C125
6.3V1500
C123
1.5u
L114
4.7u
L112
143
R135
R122 4.4K
100
R127
MA8039
ZD101
120
R130
0.033
C119
MA8027
ZD102
100
R129
R152 0.16
R151 0.16
R150 0.16
R149 0.16
R148 0.16
R119 0.16
R117 0.16
R116 0.16
R115 0.16
SO1
OC1
SE1
SO2
OC2
DR2
TI
DR1
VCC
SE2
FG
0
R114
50V2.2
C104
RK36
D105
MA165TA5
D108
MA165TA5
D107
EXCELDR35
L105
1K
R124
8.2K
R136
10K
R139
(SWITCH(H):ON)
2SD601A-R
Q104
EXCELDR35
L113
10V470
C121
R132 470
C120 0.1
6.8K
R134
6.8K
R133
0.22
C124
8.2K
R138
(POWER CTL.)
UN221L
Q105
1SS355
D114
1K
R131
C118 0.1
R128 560
(POWER CTL.)
2SD601A-R
Q102
2SB709A
Q101
2.2K
R126
100
R125
1SS355
D113
25V47
C122
EXCELDR35
L111
ERA15-04
D112
820
R123
EVMEASA01B52
VR102
C116 1000P
10u
L110
ON3171
PC1
R112 1.5K
R120 6.8
R121 10
C114 1
C115 1
470
R113
(SHUNT REG.)
AN1431T
IC102
A
R
K
2.2u
L108
10V1000
C106
10
R102
1000P
C102
RK46
D103
D104 RK36
10
R104
1000P
C103
D101 RL2ZLF
L101 EXCELSA24
S3
S2
S5
(VOLTAGE CONTROL)
FA13844N
IC1
(POWER CTL.)
2SD601A-R
Q2
NC21F104J
TH1
1
C18
560
R21
100
R20
MA8270
ZD2
8.2K
R23
47K
R6
ON3171
PC1
2.2K
R22
0.01
C17
1K
R13
R15 33K
680P
C14
R7 15K
C12 1
R10 100K
R11 681
C13 1000P
D2 1SS355
0.1
C19
35V33
C22
68u
L3
1.62K
R12
M1FL20U
D6
R30 0
R29 0
R26 4.7
R25 4.7
2SK2718
Q3
D4 1SS355
R17 100
R16 100
EXCELDR35
L4
C23 68P
R32 1K
D7 AP01C
R28 220K
R27 220K
C20 1000P
C5 100P
C1 100P
0.22
C3
C8 1000P
R118 0.16
L103 EXCELSA24
L104 EXCELSA24
GND
KEY IN3
KEY IN2
KEY IN1
10
9
8
7
6
5
8
6
3
7
2
1
5
4
19m
L2
19m
L1
P1
B2
B1
P2
L
N
P1
P1
250V 2A
F1
GA
GA
GA
R2 1M
ERZVGAD471
Z2
C4 0.22
GA
GA
GA
GA
GA
GA
1000P
C2
1000P
C6
C7 1000P
GA
GA
GA
GA
1000P
C16
450V47
C9
AC-
AC+
1SWB60
D1
RD91EB
ZD1
R3 22K
R1 22K
POWER TRANSFORMER
ETB28BF1L6A
T1
PS103
FRONT(R) P.C.B.
TO P7801
PS105
MAIN P.C.B.
TO PP1501
3
1
2
4
JC DR P ON(H)
GND
P OFF(L)
GND
GND
X SW 13V
GND
X SW 5.9V
GND
X SW 5.15V
GND
D 3.3V
D 3.3V
D 1.8V
D 1.8V
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
G
S1
F
7
6
5
4
3
2
1
E
D
C
B
A
DMR-E50EB/EG/GCS
Main Power Supply
Schematic Diagram
52
Summary of Contents for DMR-E50EB
Page 10: ......
Page 11: ......
Page 14: ......
Page 15: ...6 2 3 Other Items needed Digital P C B HDD Conditions Nothing special ...
Page 21: ...8 5 The Front panel 1 Remove the 2 connectors ...
Page 25: ...8 8 The Rear panel 1 Remove the Fan Motor connector ...
Page 26: ...2 Remove the 8 screws A and a screw B 3 Remove the 2 tabs and remove the Rear panel ...
Page 29: ...5 Remove the Main P C B 8 10 The Scart P C B 1 Pull out the Scart P C B ...
Page 30: ...8 11 The RGB P C B 1 Pull out the RGB P C B ...
Page 59: ...Ref No MODE E C B REC 0 3 6 0 PLAY 0 3 6 0 STOP 0 8 8 0 QR7001 ...
Page 60: ...Ref No MODE E C B REC 0 3 6 0 PLAY 0 3 6 0 STOP 0 3 6 0 QR7801 ...
Page 149: ...1 A B C D 2 3 4 5 Nicam Decoder P C B Nicam Decoder P C B VEP07A51A DMR 50EB EG GCS ...
Page 150: ...1 A B C D 2 3 4 5 6 7 8 9 FRONT L P C B DVD E50EB EG GCS FRONT L P C B REP3528CB ...
Page 151: ...1 A B C D 2 3 4 5 6 7 8 9 FRONT R P C B DVD E50EB EG GCS FRONT R P C B REP3528AA ...
Page 154: ......
Page 155: ......
Page 156: ......