18 Schematic Diagram
18.1. Interconnection Schematic Diagram
A
B
1
2
3
4
DMR-EH50EB/EG/EP,EH52EG
Interconnection
Schematic Diagram
5
C
D
E
6
F
G
7
8
9
10
11
TU7801
U/V TUNER
P1103
3
DVD SEL LED
HDD SEL LED
2
1
P7101
SD SEL LED
X SW 5.2V
GND
4
6
5
FAN MOTOR
2
12V
GND
4
3
1
GND
5V
1
DD4
DIOW-
RESET-
GND
DD7
DD8
DD6
DD9
DD5
DD10
DMARQ
DD11
DD3
DD12
DD2
DD13
DD1
DD14
DD0
DD15
GND
IORDY
CSEL
DMACK-
GND
INTRQ
GND
GND
DASP-
CS1-
DIOR-
CS0-
DA2
GND
DA0
GND
DA1
2
3
4
5
40
39
38
37
36
35
6
8
7
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
/HRST
GND
DD7
DD8
DD6
DD5
DD10
DD4
GND
/DASP
/CS3FX
/CS1FX
DA2
DA0
DA1
INTRQ
GND
DMACK
CSEL
IORDY
GND
/DIOR
GND
/DIOW
GND
DMARQ
GND
DD15
DD0
DD14
DD1
DD13
DD2
DD12
DD3
DD11
DD9
2
1
3
4
12V
GND
M GND
5V
P102
FP601
12
2
1
3
4
DR12V
DR12V
DRGND
DR5V
P1502
1
GND
XSORX
CMD
DAT3
CD
DAT1
WP
3.3V
MSOTX
DAT2
DAT0
XDIAG
COM
CLK
2
3
4
5
6
8
7
9
10
11
12
13
14
1
DAT2
FG
COM
CD
WP
DAT3
TO
SD CARD
CMD
GND
3.3V
CLK
GND
DAT0
DAT1
2
3
4
5
6
8
7
9
10
11
12
13
FRONT(L) P.C.B.
A
N
P1101
POWER P.C.B.
LED P.C.B.
P6802
P6803
MAIN P.C.B.
DIGITAL P.C.B.
DVD RAM DRIVE
HDD
SD CARD P.C.B.
H
TUNER P.C.B.
3
2
P7506
1
POWER SW ON
GND
GND
P7001
1
3
2
GND
POWER
GND
POWER SW ON
DR12V
DR5V
DR GND
DR GND
4
3
HDD PFAIL
2
P1102
DR5V
DR5V
DRGND
DRGND
DR12V
DR12V
DR P ON
X SW 3.8V
D1.5V
D1.5V
POWER ON
GND
GND
GND
GND
GND
X SW 12.4V
X SW 5.8V
X SW 5.8V
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
X SW 12.4V
DR5V
DRGND
DR12V
DR P ON
X SW 3.8V
D1.5V
D1.5V
POWER ON
GND
GND
GND
GND
GND
X SW 12.4V
X SW 12.4V
X SW 5.8V
X SW 5.8V
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
1
3
2
P1501
DR5V
DRGND
DR12V
HDD PFAIL
1
2
3
GND
FAN LOCK
FANDCOUT
P7504
2
3
1
P7507
4
5
6
HDD SEL LED
DVD SEL LED
SD SEL LED
X SW 5.2V
GND
BOOSTER5V
RFC AUDIO
GND
PS 5V
CPS V OUT
GND
JCREG5V
SW2
IIC CLK
IIC DATA
AFC
AUDIO OUT
SIF OUT
UNREG38V
TUNER VIDEO IN
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
1
3
2
PP7401
GND
DGND
PS7801
1
2
3
4
5
6
7
8
9
10
11
13
12
JC REG 5V
SW2
IIC CLK
IIC DATA
SIF OUT
UNREG 38V
TUNER VIDEO IN
GND
AFC
GND
16
GND
BOOSTER 5V
GND
18
14
17
15
3
4
5
7
10
11
12
13
14
15
16
17
18
6
2
SDA
VIDEO OUT
5V(VIF)
BTL+30VIN
SIF OUT
AFC S-CURVE
AUDIO OUT
9
5V(TUNER)
RFAGC
SW(VIF)
SCL
1 B
AUDIO IN
MSDA
5V(RFC)
MSCL
VIDEO IN
3
1
2
PK7701
4
5
6
7
SIF
GND
TUN AUDIO IN
JC REG.5V
1
2
3
4
5
6
SCL
SDA
DECODER AUDIO(R)
GND
DECODER AUDIO(L)
PK7702
PK7301
PK7302
NICAM DECODER P.C.B.
39
40
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DA2
GND
CS0-
DMARQ
CS1-
GND
DASP NC1
DD15
DA0
DD0
DD14
GND
DA1
DD1
DD13
DD2
INTRQ
DD12
DD3
GND
DD11
DD4
DD10
DMACK-
DD5
DD9
CSEL
DD6
IORDY
DD8
GND
DD7
DIOR-
GND
GND
RESET-
DIOW-
P3202
39
40
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DA2
GND
CS0-
DMARQ
CS1-
GND
DASP NC1
DD15
DA0
DD0
DD14
GND
DA1
DD1
DD13
DD2
INTRQ
DD12
DD3
GND
DD11
DD4
DD10
DMACK-
DD5
DD9
CSEL
DD6
IORDY
DD8
GND
DD7
DIOR-
GND
GND
RESET-
DIOW-
P3203
DAT2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
WP
3.3V
SBO0
DAT0
XDIAG
GND
CLK
GND
DAT1
CD
DAT3
CMD
SBI0
P3201
Timer
P.C.B.Name
Ref.No.1500,7400 SERIES
Ref.No.
Ref.No.3000,3900,4000,4900 SERIES
Main
P.C.B.
Circuit Name
A/V I/O
Main Net
Ref.No.7500,7600 SERIES
AVENC/RTSC/AVDEC/MAIN CPU-1
Audio Net
Circuit Name
Digital
P.C.B.
AVENC/RTSC/AVDEC/MAIN CPU-2
Ref.No.4400,9000 SERIES
Ref.No.6000,6100,6200 SERIES
Ref.No.
Ref.No.3200,3300 SERIES
P.C.B.Name
D1.5V
CPNCIN DM
D1.5V
DGND
D1.5V
V YIN DM
D1.5V
DGND
RGB CPSVIN
DGND
B IN
D3.3V
DGND
D3.3V
G IN
D3.3V
DGND
D3.3V
R IN
DGND
BPBOUT DM
DGND
GPYOUT DM
DGND
RPROUT DM
DGND
ANA5V
COUT DM
DGND
ANA5V
YOUT DM
DGND
DGND
DGND
ANA3.3V
MIXROUT DM
MIXLOUT DM
AUGND
IECOUT
AUGND
DGND
AUGND
AADC R
AADC L
AUGND
AUGND
AU5V
XDMUTE
XMPREQ
SBMTP
SBPTM
UARTP2M
XINTM
UARTM2P
SCLK
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
1
3
2
DGND
P7402
X SW5.8V
X SW5.8V
X SW5.8V
ANA3.3V
XINTP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
XINTP
SCLK
UARTM2P
XINTM
UARTP2M
SBPTM
SBMTP
XMPREQ
XDMUTE
AU5V
AUGND
AUGND
EPG ON
EPG ON
AADC L
AADC R
AUGND
DGND
AUGND
IECOUT
AUGND
MIXLOUT DM
MIXROUT DM
ANA 3.3V
DGND
DGND
DGND
DGND
YOUT DM
ANA 5V
DGND
COUT DM
ANA 5V
DGND
RPROUT DM
DGND
GPYOUT DM
DGND
BPBOUT DM
DGND
R IN
D 3.3V
DGND
D 3.3V
G IN
D 3.3V
DGND
D 3.3V
B IN
DGND
CSYNC IN
RGB CPSVIN
DGND
D 1.5V
V YIN DM
D 1.5V
DGND
D 1.5V
CPNCIN DM
D 1.5V
P9001
L
L
H
H
L
L
H
H
RFC A MUTE H
RFC AUDIO
PS 5V
CPS V OUT
AUDIO OUT
RFC A MUTE H
H
H
H
H
H
H
H
H
51
Summary of Contents for DMR-EH50EB
Page 2: ...2 ...
Page 3: ...3 ...
Page 39: ...12 3 Checking and Repairing of Main P C B 39 ...
Page 40: ...12 4 Checking and Repairing of DVD RAM Drive 40 ...
Page 41: ...12 5 Checking and Repairing of HDD 41 ...
Page 52: ...20 2 Packing Accessories Section 52 ...
Page 60: ...K7401 D0YBR0000002 CHIP RESISTOR 1 EB 60 ...
Page 66: ...R7304 D0GB101JA002 1 10W 100 1 66 ...
Page 74: ......
Page 75: ......
Page 76: ...1 A B C D 2 3 4 5 Nicam Decoder P C B DMR EH50EB EG EP EH52EG Nicam Decoder P C B VEP07A51A ...