2
2
3
3
4
4
$
3
2
C1143
3
2
A
N
P
HOT
COLD
TIMER
RESTERT
COMPARATOR
OCP THRESHOLD
BURST MODE
COMPARATOR/
OCP THRESHOLD
GND
3
VCC
UVLO
UVLO
FB
Z/C
2
1
VIN
DRAIN
4
5
/OCL
SOURCE
DET./ONDEAD TIMER
ZERO CURRENT
TIMER
ON WIDTH
CIRCUIT
STANDBY
PROTECTOR
OVER HEATING
PROTECTOR/
OVER VOLTAGE
LATCH RELEASE/
/VCC(STOP)
VCC(START)
-
+
CIRCUIT
CONTROL
CIRCUIT
SOFT-DRIVE
BURST)SENS.
IDP(LIMIIT/
/VCC(STARTUP ON)
VCC(STARTUP OFF)
-
+
CIRCUIT
START-UP
CC
VREF/SS
V5/PWON
VIN
FB
GND
EXT
CS
COMP
CNT.
-
+
SHIFT
LEVEL
UVLOcomp
VREF
0.8V
V5
+
-
RESET
CONTROL LOGIC
+
-
+
-
8
4
3
2
1
DMR-EH65EC
DMR-EH65EP
POWER
SCHEMATIC DIAGRAM
K1129
ZA1107
ZA1106
ZA1105
F1101
VA1110
ZA1103
ZA1104
C1120
L1120
L1121
1
1
C1121
D1140
4
1
2
3
LB1122
D1141
$
C1125
P1
12
PU
P2
NC
V2
V1
11
10
9
8
7
NC 6
5
4
3
2
1
NC
D1270
ZA1270
ZA1271
L1400
L1270
TO P1501 MAIN P.C.B.
MAIN NET (1/4) SECTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
NC
X_SW5R8VT
X_SW5R8V
X_SW5R8V
X_SW5R8V
X_SW5R8V
GND
GND
GND
GND
GND
X_SW12V
X_SW12V
X_SW12V
X_SW12V
X_SW3R8V
X_SW3R8V
P_ON_H
D3R8V
P_SAVE_L
FANLOCK
FANLOCK
FAN_GND
FAN_GND
FANOUT
FANOUT
C1122
C1123
LB1124
1
R1803
R1800
C1272
C1271
C1270
ZA1150
2
4
7
LB1126
R1153
R1150
LB1123
D1151
C1150
4
1
C1202
R1209
R1208
D1800
R1802
C1800
R1801
R1200
R1207
C1200
R1210
R1151
R1152
9
5
3
1
ZA1151
1
1
1
2
2
2
3
3
3
C1151
D1157
D1156
R1157
D1152
R1154
1
3
2
C
A
R
R1205
R1206
C1201
R1201
1
2
3
4
5
6
7
8
G
D
D
S
1
2
3
4
5
6
C1153
C1152
R1156
R1155
C1154
D1155
R1158
R1701
C1701
C1702
C1703
C1704
R1702
C1705
1
2
3
4
8
7
6
5
C1706
L1701
LB1700
R1704
R1703
C1707
R1601
L1601
C1608
C1607
R6104
R1603
LB1600
8
7
1
2
3
6
5
4
C1605
R1602
R1605
D1601
C1606
C1604
C1603
C1602
C1601
R1705
D1701
2
2
1
7
6
5
7
9
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
Note:
Marked $ (spare) parts are not assembled
* Optional Parts
Important Safety Notice:
Components identified with the mark have
the special characteristics for safety.
When replacing any of these components
use only the same type.
Summary of Contents for DMR-EH65EC
Page 45: ...10 7 DV IN P C B 1 Remove 1 Screw to remove DV IN P C B 45 ...
Page 54: ...Caution When replacing HDMI P C B pay attention as below 11 MEASUREMENTS AND ADJUSTMENTS 54 ...
Page 68: ...16 2 PACKING ACCESSORIES SECTION 68 ...
Page 75: ...C3017 F1H1C104A042 CHIP CAPACITOR 1 1 2 3 75 ...
Page 77: ...C4028 F2A1V100A534 ALU ELEC CAPACITOR 1 1 2 3 77 ...
Page 79: ...C56133 ECJ1VB1A105K CHIP CAPACITOR 1 1 2 3 79 ...
Page 81: ...C7517 ECJ1VC1H180J CHIP CAPACITOR 1 1 2 3 81 ...
Page 86: ...LB7507 D0YBR0000020 CHIP RESISTOR 1 1 2 3 86 ...
Page 89: ...R3008 D0GB102JA057 CHIP RESISTOR 1 1 2 3 89 ...
Page 91: ...R4057 D0HB123ZA002 METAL FILM RESISTOR 1 1 2 3 91 ...
Page 93: ...R56140 ERJ2GEJ8R2X RESISTOR 1 1 2 3 93 ...
Page 95: ...R7501 D0GB102JA057 CHIP RESISTOR 1 1 2 3 95 ...
Page 97: ...R7579 D0GB223JA057 CHIP RESISTOR 1 1 2 3 97 ...
Page 103: ...Ref No MODE E C B REC 3 8 1 2 3 1 PLAY 3 8 1 2 3 1 STOP 3 8 1 2 3 1 Q7802 ...
Page 154: ...DMR EH65EC DMR EH65EP DV IN P C B VEP73135A 1B 1D P37001 P37002 ...
Page 156: ...JW7001 S7002 DMR EH65EC DMR EH65EP FRONT VEP70161A ...