DMR-EH65EC
DMR-EH65EP
POWER 1/2
BLOCK DIAGRAM
H
H
H
H
RESET +5.2V
UNREG +38V
D7506
ANA+3.3V
X SW+3.3V
X SW+3.8V
(REG.X SW+3.3V)
VOUT
VIN
5
2
1
GND
3 CONT
(REG.ANA+3.3V)
VOUT
VIN
1
4
5
8
GND CONT
DI P ON
IC7501- 44
SECTION
TIMER
FROM
16,17,19
X SW+3.8V
3,4,5,6
X SW+5.8V
12,13,14,15
X SW+12V
TRANSFORMER
POWER SWITCHING
DISPLAY HEATER
T7501
7
1
2
1
2
1
PS+11.6V
PWR SAVE :ON
IC7501- 79
SECTION
TIMER
FROM
( :ON)
(REG.PS+11.6V)
VOUT
VIN
3
5
:ON
2
1
GND
H
H
DR+12V
DR P ON
IC7501- 42
SECTION
TIMER
FROM
( :ON)
E
FET
D
S
G
(DR+12V OUT)
1
2
3
5
6
7
8
4
AC INLET
SURGE
SUPPRESSOR
AND
SURGE
ABSORBER
F1101
VA1110,L1120
D1140,C1143
RECTIFIER
POWER
SWITCHING
TRANSFORMER
12
P1
2
1
3
4
9
5
(SWITCHING IC)
VCC
GND
Z/C
F/B
10
8
7
P2
V2
V1
7
VIN
S2B
S2A
S1A
S1B
2
3
4
5
1
3
2
D1270
2
1
SWITCHING
1
2
7
6
Vin
PW
ON
FET
Gate
Drive
GND
(DC/DC CONVERTER)
FET
D
S
G
2
4
5
6
7
1
3
8
(REG.X SW+5.8V)
FET
D
S
G
(REG.X SW+3.8V)
4
3
1
2
5
6
1
2
7
(DC/DC CONVERTER)
6
Vin
GND
PW
ON
FET
Gate
Drive
4
3
2
1
(FEED BACK)
1
2
3
(ERROR VOLTAGE DET.)
COLD
HOT
POWER P.C.B.
MAIN P.C.B.
8
Current
Sense
8
Current
Sense
Содержание DMR-EH65EC
Страница 45: ...10 7 DV IN P C B 1 Remove 1 Screw to remove DV IN P C B 45 ...
Страница 53: ...10 13 HDMI P C B 1 Disconnect FFC Connector 2 Pull out the HDMI P C B in the direction of the arrow 53 ...
Страница 54: ...Caution When replacing HDMI P C B pay attention as below 11 MEASUREMENTS AND ADJUSTMENTS 54 ...
Страница 68: ...16 2 PACKING ACCESSORIES SECTION 68 ...
Страница 75: ...C3017 F1H1C104A042 CHIP CAPACITOR 1 1 2 3 75 ...
Страница 77: ...C4028 F2A1V100A534 ALU ELEC CAPACITOR 1 1 2 3 77 ...
Страница 79: ...C56133 ECJ1VB1A105K CHIP CAPACITOR 1 1 2 3 79 ...
Страница 81: ...C7517 ECJ1VC1H180J CHIP CAPACITOR 1 1 2 3 81 ...
Страница 86: ...LB7507 D0YBR0000020 CHIP RESISTOR 1 1 2 3 86 ...
Страница 89: ...R3008 D0GB102JA057 CHIP RESISTOR 1 1 2 3 89 ...
Страница 91: ...R4057 D0HB123ZA002 METAL FILM RESISTOR 1 1 2 3 91 ...
Страница 93: ...R56140 ERJ2GEJ8R2X RESISTOR 1 1 2 3 93 ...
Страница 95: ...R7501 D0GB102JA057 CHIP RESISTOR 1 1 2 3 95 ...
Страница 97: ...R7579 D0GB223JA057 CHIP RESISTOR 1 1 2 3 97 ...
Страница 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 ...
Страница 154: ...DMR EH65EC DMR EH65EP DV IN P C B VEP73135A 1B 1D P37001 P37002 ...
Страница 156: ...JW7001 S7002 DMR EH65EC DMR EH65EP FRONT VEP70161A ...