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DMR-EH57GN
12.2. Power Supply Schematic Diagram
G
ZA1103
ZA1104
EYF52BCY
EYF52BCY
or
K3GE1ZA00010
or
K3GE1ZA00010
G0B233D00001
A
F1101
N
K5D202BK0005
1
or
K5D202BLA013
P1101
K2AA2H000007
T2AL 250V
4
SEE THE
SERVICE MANUAL
F
ZA1105
K9ZZ00001279
ZA1106
K9ZZ00001279
ZA1107
K9ZZ00001279
E
K1129
VWJ0795=5
D
IC1150
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
C
UVLO
UVLO
+
+
LATCH RELEASE/
-
-
OVER VOLTAGE
PROTECTOR/
OVER HEATING
VCC(START)
VCC(STARTUP OFF)
/VCC(STOP)
/VCC(STARTUP ON)
PROTECTOR
IDP(LIMIIT/
BURST)SENS.
B
Z/C
ZERO CURRENT
1
DET./ONDEAD TIMER
CONTROL
SOFT-DRIVE
CIRCUIT
CIRCUIT
STANDBY
CIRCUIT
OCP THRESHOLD
COMPARATOR/
FB
RESTERT
2
BURST MODE
TIMER
OCP THRESHOLD
COMPARATOR
ON WIDTH
TIMER
GND
3
A
1
2
LB1122
C1125
J0JKB0000003
1000P
D1140
L1120
L1121
B0EDKT000009
(S1WBA80-7062)
G0B233D00001
C1121
0.022
2
1
2
P1
3
4
3
PU
P2
NC
V2
V1
LB1123
R1122
100[1W]
J0JKB0000003
R1153
18[22]
LB1126
ERJ6GEY0R00V
[22]
R1150
D1151
18[22]
B0HAGM000006
2
4
7
ZA1150
VSC5603-A
C1150
VSC5603
35V68
IC1150
ZA1151
C0DACZH00017
XYN3+J8FJ
1
3
5
9
R1151
6800[22]
R1152
10K[22]
D1152
C1151
MAZ4100NMF
1000P[2KV]
D1156
MA2C165001VT
R1157
R1154
470
8200
D1157
[G][22]
[G][22]
B0HADV000001
or
or
R1158
0.22[2W]
HOT
IC1601
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
7
9
7
6
8
VIN
DRAIN
CS
EXT
GND
VCC
4
CONTROL LOGIC
LEVEL
SHIFT
START-UP
CNT.
CIRCUIT
COMP
-
+
-
+
V5
UVLOcomp
+
-
VREF
VIN
V5/PWON
VREF/SS
1
2
3
SOURCE
/OCL
5
3
4
LB1125
J0JHC0000048
D1400
B0JANE000037
L1400
or
B0JAME000033
G0A100HA0023
T1150
ETS28BF236AD
D1270
B0JBSG000048
or
B0JBSG000010
ZA1270
VSC5606-A
or
VSC5606
L1600
G0A100HA0023
ZA1271
1
2
3
XYN3+J8FJ
L1270
G0A100K00003
or
G0A100H00025
LB1270
VWJ0795=5
Q1200
B3PBA0000454
B3PBA0000237
B3PBA0000402
R1209
R1208
1K[22]
2200[22]
4
1
3
2
R1210
C1200
1K[22]
0.1[22]
COLD
C
A
R
1
3
2
IC1200
C0DAEMZ00001
or
C0DAEYY00021
5
FB
0.8V
+
-
CC
4
5
6
7
52
R1800
470[22]
D1800
MA2J11100L
R1803
10K[22]
Q1600
B1DHED000008
(UPA1717G-E1-A)
S
D
S
D
S
D
G
D
R1601
L1601
24M[36]
G0A100K00003
VIN
CS
V5
EXT
C1605
180P[22]
VREF
GND
CC
FB
R1602
51K[22]
IC1601
C0DBAZZ00132
(AL1014)
D1602
D1601
B0JCPD000021
B0JCPD000021
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
DMR-EH57GN
Power Supply Schematic Diagram
8
9
TO P1501
MAIN P.C.B.
(MAIN NET (1/4) SECTION)
P1102
K1KB15AA0032
1
X_SW5R8V
2
X_SW5R8V
3
X_SW5R8V
4
GND
5
GND
6
GND
7
GND
8
GND
9
X_SW12V
10
X_SW12V
11
X_SW12V
12
X_SW3V
13
X_SW3V
P_ON_H
14
15
X_SW3R8V
10
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