Daewoo DV-2550H Service Manual
DAEWOO DV-2550H
JP2
JP2
2PIN
2PIN
JP1
JP1
5PIN
5PIN
+5V
100U/16V
100U/16V
+5V
C4
104C4104
456
U3
U4
123
REMOU3REMO
IR
IR
R1
10KR110K
C1
C1
+5V
2
GND
1
IR
5
GND
4
STB
3
CLK
2
DATA
1
C3
+
+
104C3104
DATA
CLK
STB
C5
101C5101
+
+
C6
101C6101
C2
C2
100U/16V
100U/16V
C7
101C7101
R4
10KR410K
R9
10KR910K
R5
10KR510K
R10
R10
10K
10K
R6
10KR610K
12
4148D44148
R3
51KR351K
D4
S1SWS1
SW
S7SWS7
SW
U2
1
OSC
2
DOUT
3
DIN
4
CLK
5
STB
6
K1
7
K2
8
+5V
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6 SEG7
12
12
D2
D3
4148D24148
4148D34148
1
2
1
2
K3
9
VDD
10
SG1/KS1
11
SG2/KS2
12
SG3/KS3
13
NC
14
SG4/KS4
15
SG5/KS5
SG6/KS616SG7/KS7
PT6916U2PT6916
S3SWS3
SW
1
2
S6SWS6
SW
1
2
SG12/GR7
SG10/KS10
SG9/KS9
SG8/KS8
S2SWS2
SW
1
S5SWS5
SW
1
GND
GR1
GR2
GND
GR3
GR4
GND
VDD
GR5
GR6
SG11
2
2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
GND
G1
G2
GND
G3
G4
GND
+5V
G5
G6
G7
SEG10SEG10SEG10
SEG9
SEG8
DIODELIGHT
DIODELIGHT
R7
10KR710K
G1
G2
G3
G4
12
D1
D1
R2
470RR2470R
G5
G6
G7
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
U1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
6611EU16611E
12
x1x1
3
CN3
CN3
5PIN
5PIN
12
x2x2
GND1
3
12345
MiCO(shenzhen)CO;LTD
MiCO(shenzhen)CO;LTD
MiCO(shenzhen)CO;LTD
Title
Title
Title
Title
Title
Title
<Title>
<Title>
<Title>
MC1013-0601-00S
MC1013-0601-00S
MC1013-0601-00S
JP901
JP901
DET
12345
MIC
+5VA
R923 47RR923 47R
6
+12VA
-12VA
R905
R905
R925
R925
6PIN
6PIN
JP902
JP902
12345
5PIN
5PIN
0.1u
0.1u
C924
C924
R924 47RR924 47R
C925
C925
100U/10V
100U/10V
+
+
0.1u
0.1u
C923
C923
C922
C922
47U/16V
47U/16V
+
+
0.1u
0.1u
C926
C926
+
+
+5VA
C927
C927
47U/16V
47U/16V
LEVEL2
LEVEL1
ECHO02
ECHO01
MIC
D2
D1
2.4VD12.4V
1 2
2.4VD22.4V
12
R922 1KR922 1K
C921
10U/10V
C921
10U/10V
+
+
JP903
JP903
123
4
4PIN
4PIN
C1
100U/16V
C1
100U/16V
DET
+
+
10K
10K
Q903
Q903
C1815
C1815
2 3
1
4.7K
4.7K
330P
330P
C920
C920
MDET
LEVEL2
7
U901B
MC4558
U901B
MC4558
+
-
+
-
R921 82KR921 82K
R919 10KR919 10K
8 4
5
6
R920 22KR920 22K
AGND
2
5
U5
SC70-5U5SC70-5
NC
L6 221RL6 221R
L5 221RL5 221R
C3
DP3GND
DM
4
VCC
1
JP5
JP5
100pC3100p
DMDMDMDMDMDM
DP
5V
C2
100pC2100p
123
4
5 6
5PIN
5PIN
AGND
ECHO02
22N
22N
C904
C904
+12VA
U901A
U901A
84
R901
R901
L901
L901
MIC
MIC
MIC1
MIC1
10U/16V
10U/16V
C4
C4
MC4558
MC4558
10K
10K
3.3uH
3.3uH
3
LEVEL1
+
+
1
+
-
+
-
2
C901
C901
R902
R902
2211334
ECHO01
L3
L2
L4
L1
FB400L3FB400
FB400L2FB400
FB400L4FB400
FB400L1FB400
10U/10V
10U/10V
+
+
C909
C909
LEVEL1
56K
22N
22N
R9031KR903
-12VA
1K
56K
R904
R904
C902 680PC902 680P
5600P
5600P
C905
C905
R908 5.6KR908 5.6K
C906
1U+C906
1U
+
R909 10KR909 10K
R910 10KR910 10K
C903
C903
1n5
1n5
1U
1U
C908
C908
C907
C907
560P
560P
C911
103
C911
103
+
+
C912
5600
C912
5600
6.8K
6.8K
R914
R914
R912 4.7KR9124.7K
TP0TP0
R913 15KR913 15K
R915 10KR915 10K
R916 15KR916 15K
C928
C928
104
104
R911 10KR911 10K
C910
560P
C910
560P
104
104
C913
C913
C914 104C914 104
14
15
13
10K
10K
L903
L903
FB400
FB400
L902
L902
3.3uH
3.3uH
16
LPF2-IN
LPF1-IN
LPF2-OUT
LPF1-OUT
VCC1REF2AGND3DGND4CLK-05VC06CC17CC0
U902 HT8970/PT2399U902 HT8970/PT2399
MDET
+
R918
R918
C917 47U+C917 47U
104
104
C918
C918
4.7
4.7
+
+
C919
C919
100U
100U
4
4
MIC2
MIC2
2211334
MIC
MIC
+5VA
12
0P2-IN
9
10
11
0P1-IN
0P2-IN
0P1-OUT
8
C915
104
C915
104
R917 10KR917 10K
C916
C916
104
104
Loading...