H
H
L
H
3
1,8
P1501
P1501
P102
4,5
P102
CS
S
FB
QR1307
5
8
4
1
2
1
4
D1154
2
1
4
3
1
4
3
56
86
IC7501-
IC7501-
11
P1502
P1102
10
P1502
P1102
16,17
2
12,13
3,4
18
19,20
21,22
ON/OFF
2
Vo
4
3
VIN
5
(REG.DR+12V)
ON/OFF
R/C
VOUT
/PWON
V5
EXT
D
6
2
5
1
G
3
Q1400
(SWITCHING)
QR1300
2
(DC-DC CONVERTER)
1
2
1 VIN
7
QR1302
P SAVE
7
PT
5
DMR-E55P/PC
Power Supply
Block Diagram
F/B
2
P1102
P1502
P1502
P1102
B2
B1
3
2
(SHUNT REG.)
MAIN P.C.B.
POWER P.C.B.
DR P ON
QR1303
(TO DVD RAM DRIVE)
DR+5V
ON
VOUT
VIN
4
1
2
(REG.+5V)
X SW+5.8V
P1502
P1102
QR1308
QR1304,
(TO DVD RAM DRIVE)
DR+12V
X SW+13V
POWER ON
D+3.3V
D+1.8V
QR1301
P1502
P1102
P1502
P1102
P1502
P1102
P1502
P1102
VIN
(DC-DC CONVERTER)
2
8
1
1
2
QR1200
S4
S3B
S3A
S1A
S1B
8
12
11
10
9
COLD
HOT
Q1201
COUPLER
PHOTO
Q1200
COUPLER
PHOTO
P2
P1
4
(SW IC)
VCC
DRAIN
Z/C
5
4
1
TRANSFORMER
POWER
6
RECTIFIER
C1143
D1140
D1110,L1120
ABSORBER
SURGE
AND
SUPPRESSOR
SURGE
(250V1.6A)
F1101
P1101
AC SOCKET
Summary of Contents for DMR-E55PC
Page 32: ...13 2 Checking and Repairing of Main P C B 32 ...
Page 33: ...13 3 Checking and Repairing of Digital P C B 33 ...
Page 34: ...13 4 Checking and Repairing of DVD RAM Drive 34 ...
Page 44: ...21 2 Casing Parts Mechanism Section 2 44 ...
Page 45: ...21 3 Packing Accessories Section 45 ...
Page 54: ...JK3904 K1U415B00001 JACK L2 1 54 ...
Page 66: ......
Page 79: ...1 A B C D 2 3 4 5 6 7 8 9 FRONT R P C B DMR E55P PC FRONT R P C B REP3713A ...
Page 81: ...Ref No MODE E C B REC 0 3 5 0 PLAY 0 3 5 0 STOP 0 3 5 0 QR7801 ...
Page 87: ...5 6 7 8 Location Map REAR DMR E55P PC Main P C B REP3662B 2 4 Section FRONT 1 4 2 4 3 4 4 4 ...
Page 89: ...Location Map REAR DMR E55P PC UP Main P C B REP3662B 4 4 Section FRONT 1 4 2 4 3 4 4 4 ...