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18 Schematic Diagram
18.1. Interconnection Schematic Diagram
POWER
P7001 P7506 P1502
H GND 1 1 GND DR12V 1
GND 2 2 GND DR12V 2
POWER SW ON L 3 3 POWER SW ON L DRGND 3
DR5V 4
FRONT(L) P.C.B.
P7402
1
2
P1101 3
A XINTP 4
N 5
P1102 P1501 PP7401 PS7801 SCLK 6
G 1 1 GND 18 18 GND UARTM2P 7
X SW 5.8V 2 2 X SW 5.8V BOOSTER5V 17 17 BOOSTER 5V XINTM 8
X SW 5.8V 3 3 X SW 5.8V RFC AUDIO 16 16 RFC AUDIO UARTP2M 9
X SW 12.4V 4 4 X SW 12.4V RFC A MUTE H 15 15 RFC A MUTE H SBPTM 10
X SW 12.4V 5 5 X SW 12.4V GND 14 14 GND 11
GND 6 6 GND PS 5V 13 13 PS 5V SBMTP 12
GND 7 7 GND CPS V OUT 12 12 CPS V OUT 13
GND 8 8 GND GND 11 11 GND XMPREQ 14
GND 9 9 GND JCREG5V 10 10 JC REG 5V XDMUTE 15
GND 10 10 GND SW2 9 9 SW2 16
POWER ON H 11 11 POWER ON H IIC CLK 8 8 IIC CLK AU5V 17
D1.5V 12 12 D1.5V IIC DATA 7 7 IIC DATA 18
D1.5V 13 13 D1.5V AFC 6 6 AFC 19
X SW 3.8V 14 14 X SW 3.8V AUDIO OUT 5 5 AUDIO OUT 20
DR P ON H 15 15 DR P ON H SIF OUT 4 4 SIF OUT 21
DR12V 16 16 DR12V UNREG38V 3 3 UNREG 38V 22
F DR12V 17 17 DR12V TUNER VIDEO IN 2 2 TUNER VIDEO IN 23
DRGND 18 18 DRGND DGND 1 1 GND 24
DRGND 19 19 DRGND AUGND 25
DR5V 20 20 DR5V 26
DR5V 21 21 DR5V TU7801 AUGND 27
HDD PFAIL L 22 22 HDD PFAIL L U/V TUNER EPG ON H 28
23 23 AADC L 29
30
1 BOOSTER+B
P1103 AADC R 31
1 DR12V 32
2 AUDIO IN
2 DR GND AUGND 33
3 DR GND DGND 34
3 MSDA
4 DR5V AUGND 35
IECOUT 36
4 5V(RFC)
AUGND 37
E POWER P.C.B.
5 MSCL
ANA3.3V 38
MIXLOUT DM 39
40
6 VIDEO IN
MIXROUT DM 41
ANA3.3V 42
7 5V(TUNER)
FAN MOTOR DGND 43
P7504 DGND 44
1 FANDCOUT DGND 45
2 GND DGND 46
3 FAN LOCK YOUT DM 47
ANA5V 48
9 RFAGC
DGND 49
50
10 SW(VIF)
COUT DM 51
ANA5V 52
D 11 SCL
DGND 53
54
12 SDA
RPROUT DM 55
56
13 AFC S-CURVE
DGND 57
58
14 AUDIO OUT
P7101 P7507 GPYOUT DM 59
1 1 X SW5.8V 60
15 SIF OUT
HDD SEL LED H 2 2 HDD SEL LED H DGND 61
DVD SEL LED H 3 3 DVD SEL LED H X SW5.8V 62
SD SEL LED H 4 4 SD SEL LED H MAIN P.C.B. 16 BTL+30VIN
BPBOUT DM 63
X SW 5.2V 5 5 X SW 5.2V X SW5.8V 64
17 5V(VIF)
GND 6 6 GND DGND 65
66
18 VIDEO OUT
R IN 67
D3.3V 68
C DGND 69
LED P.C.B. D3.3V 70
TUNER P.C.B. G IN 71
D3.3V 72
DGND 73
D3.3V 74
B IN 75
76
DGND 77
78
RGB CPSVIN 79
PK7701 PK7301 PK7302 PK7702
80
1 SIF SCL 1
P6803 P6802 DGND 81
2 GND SDA 2
1 DAT3 WP 1 D1.5V 82
3 TUN AUDIO IN 3
2 CMD 3.3V 2 V YIN DM 83
4 DECODER AUDIO(R) 4
3 GND MSOTX 3 D1.5V 84
B 4 3.3V DAT2 4
5
6
GND
DECODER AUDIO(L)
5
6
DGND 85
5 CLK DAT0 5 D1.5V 86
7 JC REG.5V
TO 6 GND XDIAG 6 CPNCIN DM 87
SD CARD 7 DAT0 COM 7 D1.5V 88
8 DAT1 CLK 8 NICAM DECODER P.C.B.
9 DAT2 GND 9
10 WP DAT1 10
11 CD CD 11
12 COM DAT3 12
13 FG CMD 13
XSORX 14
P.C.B.Name Circuit Name Ref.No.
Main Net Ref.No.1500,7400 SERIES
Main A/V I/O Ref.No.3000,3900,4000,4900 SERIES
P.C.B.
Timer Ref.No.7500,7600 SERIES
SD CARD P.C.B.
A
1 2 3 4 5 6
51
P1502 P3202 FP601 P102
DR12V 1 RESET- 40 1 /HRST 12V 4
DR12V 2 GND 39 2 GND GND 3
DRGND 3 DD7 38 3 DD7 M GND 2
DR5V 4 DD8 37 4 DD8 5V 1
DD6 36 5 DD6
DD9 35 6 DD9
DD5 34 7 DD5
DD10 33 8 DD10
P7402 P9001 DD4 32 9 DD4
1 1 DD11 31 10 DD11
2 2 DD3 30 11 DD3
3 3 DD12 29 12 DD12
XINTP 4 4 XINTP DD2 28 13 DD2
5 5 DD13 27 14 DD13
SCLK 6 6 SCLK DD1 26 15 DD1
UARTM2P 7 7 UARTM2P DD14 25 16 DD14
XINTM 8 8 XINTM DD0 24 17 DD0
UARTP2M 9 9 UARTP2M DD15 23 18 DD15
SBPTM 10 10 SBPTM GND 22 19 GND
11 11 21 20
SBMTP 12 12 SBMTP DMARQ 20 21 DMARQ
13 13 GND 19 22 GND
XMPREQ 14 14 XMPREQ DIOW- 18 23 /DIOW
XDMUTE 15 15 XDMUTE GND 17 24 GND
16 16 DIOR- 16 25 /DIOR
AU5V 17 17 AU5V GND 15 26 GND
18 18 IORDY 14 27 IORDY
19 19 CSEL 13 28 CSEL
20 20 DMACK- 12 29 DMACK
21 21 GND 11 30 GND
22 22 INTRQ 10 31 INTRQ
23 23 9 32
24 24 DA1 8 33 DA1
AUGND 25 25 AUGND 7 34
26 26 DA0 6 35 DA0
AUGND 27 27 AUGND DA2 5 36 DA2
EPG ON H 28 28 EPG ON H CS0- 4 37 /CS1FX
AADC L 29 29 AADC L CS1- 3 38 /CS3FX
30 30 DASP NC1 2 39 /DASP
AADC R 31 31 AADC R GND 1 40 GND
32 32
AUGND 33 33 AUGND
DGND 34 34 DGND
AUGND 35 35 AUGND DVD RAM DRIVE
IECOUT 36 36 IECOUT
AUGND 37 37 AUGND DIGITAL P.C.B.
ANA3.3V 38 38
MIXLOUT DM 39 39 MIXLOUT DM
40 40
MIXROUT DM 41 41 MIXROUT DM P3203
ANA3.3V 42 42 ANA 3.3V GND 1 1 GND
DGND 43 43 DGND DASP NC1 2 2 DASP-
DGND 44 44 DGND CS1- 3 3 CS1-
DGND 45 45 DGND CS0- 4 4 CS0-
DGND 46 46 DGND DA2 5 5 DA2
YOUT DM 47 47 YOUT DM DA0 6 6 DA0
ANA5V 48 48 ANA 5V 7 7
DGND 49 49 DGND DA1 8 8 DA1
50 50 9 9
COUT DM 51 51 COUT DM INTRQ 10 10 INTRQ
ANA5V 52 52 ANA 5V GND 11 11 GND
DGND 53 53 DGND DMACK- 12 12 DMACK-
54 54 CSEL 13 13 CSEL
RPROUT DM 55 55 RPROUT DM IORDY 14 14 IORDY
56 56 GND 15 15 GND
DGND 57 57 DGND DIOR- 16 16 DIOR-
58 58 GND 17 17 GND
GPYOUT DM 59 59 GPYOUT DM DIOW- 18 18 DIOW-
X SW5.8V 60 60 GND 19 19 GND
DGND 61 61 DGND DMARQ 20 20 DMARQ
X SW5.8V 62 62 21 21
BPBOUT DM 63 63 BPBOUT DM GND 22 22 GND
X SW5.8V 64 64 DD15 23 23 DD15
DGND 65 65 DGND DD0 24 24 DD0
66 66 DD14 25 25 DD14
R IN 67 67 R IN DD1 26 26 DD1
D3.3V 68 68 D 3.3V DD13 27 27 DD13
DGND 69 69 DGND DD2 28 28 DD2
D3.3V 70 70 D 3.3V DD12 29 29 DD12
G IN 71 71 G IN DD3 30 30 DD3
D3.3V 72 72 D 3.3V DD11 31 31 DD11
DGND 73 73 DGND DD4 32 32 DD4
D3.3V 74 74 D 3.3V DD10 33 33 DD10
B IN 75 75 B IN DD5 34 34 DD5
76 76 DD9 35 35 DD9
DGND 77 77 DGND DD6 36 36 DD6
78 78 CSYNC IN DD8 37 37 DD8
RGB CPSVIN 79 79 RGB CPSVIN DD7 38 38 DD7
80 80 GND 39 39 GND
DGND 81 81 DGND RESET- 40 40 RESET-
D1.5V 82 82 D 1.5V
V YIN DM 83 83 V YIN DM
D1.5V 84 84 D 1.5V P3201
DGND 85 85 DGND WP 1
D1.5V 86 86 D 1.5V 3.3V 2
CPNCIN DM 87 87 CPNCIN DM SBO0 3
D1.5V 88 88 D 1.5V DAT2 4 HDD
DAT0 5
XDIAG 6
GND 7
CLK 8
GND 9
DAT1 10 1 5V
CD 11 2 GND
P.C.B.Name Circuit Name Ref.No. DAT3 12 3 GND
Audio Net Ref.No.4400,9000 SERIES CMD 13 4 12V
Digital AVENC/RTSC/AVDEC/MAIN CPU-1 Ref.No.3200,3300 SERIES SBI0 14
P.C.B.
AVENC/RTSC/AVDEC/MAIN CPU-2 Ref.No.6000,6100,6200 SERIES
DMR-EH50EB/EG/EP,EH52EG
Interconnection
Schematic Diagram
6 7 8 9 10 11 12
51
18.2. Power Supply Schematic Diagram
ZA1103 ZA1104
EYF52BCY EYF52BCY
P1101 A
D1140
K2AA2H000007 L1120 L1121 B0EDKT000009
F1101
G AC INLET
N
250V T2AL
G0B233D00001 G0B233D00001 (RECTIFIER)
~
+
1 2 1 2 4 1
C1120 0.022
VA1110 C1121
ERZVA5V471 0.068
4 3 4 3
3 2
-
~
C1122 C1123
1000P 1000P
F
E 2 4 7
F/B VCC Vin
IC1150
C0DAC
(SWITCH
ZA1150:
ZA1151:
Z/C GND OCL Collector
1 3 5 9
D C1151
1000P
D1157
B0HADV000001
R1158
ZA1105 0.22
K9ZZ00001279
R1152
ZA1106 10K
C K9ZZ00001279
C1152
330P
D1156 R115
MA2C165001VT 510
B
R1155
470 C1154 C1153
D1155 1000P 2200P
MAZ73000BC
R1156
16K
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS
A FOR SAFETY.WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
1 2 3 4 5 6
52
D1140
B0EDKT000009
(RECTIFIER)
C1125
1000P
~
+
4 1
C1143
400V68
3 2
-
~
T1150
ETS29AZ2G6AC
(POWER SWITCHING TRANSFORMER)
NC 10 D1270
PT S1D B0JBSG000010
8 11
P1 S1C ZA1270:VSC5604
7 12 ZA1271:XYN3+F8FJ
PU S1B
R1153 6 13 1 2 3
18
P2 S1A
5 14
S2A
R1150 D1151 4 NC 15
18 B0HAGM000006
V2 S2B
3 16
V1 S2C
2 17
C1150
35V68 S2D
18
7
Vin
IC1150
C0DACZH00017
(SWITCHING IC)
ZA1150:VSC5603
ZA1151:XYN3+F8FJ
Collector
9
51
0P X SW+12.4V A
C1270 C1271
16V1800 16V1800
000001
R1151 R1207 10K C1201 0.047
6800
C1152
330P Q1200 IC1200
R1208
B3PBA0000237 2200 C0DAEMB00003
(FEED BACK) (ERROR VOLTAGE DET.)
4 1
C A R
R1209 1 3 2
1K
3 2
R1157 R1154 D1152
001VT 510 9100 MAZ4100NMF
R1210 C1200 R1201 R1200
1K 0.1 8200 1200
B
C1153 R1205 R1206
2200P 220K 2400
HOT COLD
DMR-EH50EB/EG/EP,EH52EG
Power Supply
Schematic Diagram
C
6 7 8 9 10 11
52
LB1400
J0JHC0000048
6 5 4
D D S
D1401
B0JCPD000021
D D G
1 2 3
IP1401
K5H3022A0013
L1400 10u
2 1
R1410 150 R1404 1K
P
R1402
820
C1406 R1401
6V680 L1401 100K
33u
C1405
1000P
LB1600
J0JHC0000048
8 7 6 5 6 5 4
Vout
Amp(-)
Amp out
GND
D D S
D1400
B0JCPE000015 IC1400
C0DAAJG00007 D1601
(DC-DC CONVERTER) B0JCPD000021
ON/OFF
OSC
CTL.
S/S
Vin
D D G
1 2 3 4 1 2 3
IP1601
A K5H3022A0013
C1400 C1401 C1402 C1403 C1404
25V220 1 0.01 390P 4700P
QR1301 2 1
UNR221300L
L1270 (POWER ON H :ON)
10u P
C1272
16V1000
R1311
4700
C1273
16V120
8 7 6 5
QR1303
D
UNR221300L
(POWER ON/OFF
CTL.SW) Q1270
B1DHED000008
(DR+12V OUT)
LB1700
QR1302 J0JHC0000048
UNR221300L
G
S
(DR P ON H :ON) 1 2 3