Decoder Board -- Circuit Diagram
11-6
11-6
DVD/ON
AUX-LIN
SD-ON
DVD-LIN
TRIN
DVD/REM
AUX-RIN
DVD/MUTE
DVD/DATA
DVD-RIN
FM5V
IO_USB
DVD/STB
DVD/CLK
A5V
M-DOWN
M1+
M1-
M-UP
M-CLOSE
M-
M-OPEN
M+
DS-STB1
VF1
DS-CLK
GND
DS-DAT
REMOTE
A5V
ROT-A
GND
ROT-B
VF2
-27V
DVDR
AUX-R
DVD-RIN
AUX-L
FM-L
AUX-LIN
FM-LIN
DVDL
DVD-LIN
FM-R
AUX-RIN
FM-RIN
LED-Control
VCC_25V
GND_A
L-OUT
GND
STANDBY
STANDBY
ROT-A
MUTE1
FUN-A
MUTE1
GND
GND_A
BASS/716KEY
GND_A
R-OUT
VCC_25V
REM/1504KEY
FUN-B
TREBLE
GND
ROT-B
LINE_R_OUT
LINE_L_OUT
L-OUT
R-OUT
LIN
E
_L_O
U
T
MUTE
LI
NE
_
R
_O
U
T
MUTE_CPU
DVD/MUTE
MUTE_LINE
MUTE1
LED-
COM
V
7
2
-
R
E
W
O
P
-
O
C
E
LCH-BT
RCH-BT
GND_A
CPU5V
SCL
GND
SDA
GND_A
MIC-R
MIC-L
A25V
LED-C
o
ntrol
M
IC-R
DVDR
LIN
E
_L_O
U
T
R-OUT
FM
-R
DVD
L
SC
L
L
CH-BT
SDA
LINE_R_OUT
AUX
-R
FM
-L
RCH-BT
L-
OUT
MIC-L
AUX-L
FM-LIN
FM-RIN
M1+
SCL4
GND_A
GND_A
GND_A
M1-
FM5V
M-
CLOSE-SW
GND
M+
OPEN-SW
GND_A
STANDBY
A5V
ECO-POW
E
R
ROT-B
ROT-A
FUN-A
SDA0
FUN-B
SCL0
M-DOWN
AD1
MCUTP14
MCUTP6
MCUTP4
MCUTP7
MCUTP13
MCUTP12
ROT-A
MCUTP2
SD-ON
IO_USB
STANDBY
MUTE_CPU
DVD/ON
SCL0
ROTB
TREBLE
ROTA
FUN-A
DS-DAT
MCUTP11
DVD/REM
ROT-B
DVD/CLK
MCUTP15
M-UP
M-OPEN
MCUTP20
DVD/DATA
LED-Control
AD4
FUNA
CLOSE-SW
MCUTP17
DS-STB1
MCUTP21
DS-CLK
MCUTP1
MCUTP18
SDA
SCL
REST
SDA0
BASS/716KEY
DVD/STB
OPEN-SW
AD3
ECO-POWER
MUTE_LINE
MCUTP5
REST
M-CLOSE
FUN-B
MCUTP16
AD2
REM/1504KEY
CPU5V
TRIN
MCUTP3
MCUTP19
AD4
DS-CL
K
SDA3
AD1
ROT
B
DVD/CL
K
ROT
A
DVD/DAT
A
SCL
DVD/STB
SDA
DS-DAT
SCL3
AD
2
FU
NA
DS-STB1
MCUTP9
MCUTP8
MCUTP10
MCUT
P
1
MCU
TP
2
MCU
T
P
3
MCUT
P4
ROT
A
RO
TB
AD1
AD2
MCU
T
P
5
AD4
AD
3
MCUT
P6
A5V
MCU
TP
8
GND
MCU
TP
7
MCU
T
P
9
RES
T
MCUT
P1
3
MCUT
P1
1
MCUT
P
1
0
MCUT
P1
4
MCU
TP
12
M
-OPEN
MCU
T
P
1
6
MCU
TP
15
M
-C
LO
SE
MCU
T
P
1
7
MCU
TP
1
9
SDA
0
SCL
0
MCU
T
P
2
0
MCUT
P1
8
M-UP
F
UNA
MCUT
P2
1
M-
DOW
N
REMOTE
SCL
SDA4
SDA
AD1
AD2
SDA1
SCL1
SDA
SCL
SCL2
SDA2
CPU5V
SDA
SCL
SDA
SCL
VF1
-27V
VF
2
A5V
A5V
AUX-RIN
TRIN
IO_USB
DVD/ON
FM5V
DVD/REM
DVD-LIN
DVD/CLK
AUX-LIN
DVD/MUTE
DVD/DATA
SD-ON
DVD/STB
DVD-RIN
LINE_R_OUT
LINE_L_OUT
GND_A
A25V
+25V
VCC_25V
+25V
A25V
CPU5V
CPU5V
A5V
CPU5V
CPU5V
C623
0.1uF/NC
R860
330
R8
3
4
1
K
Q51
3904
2
1
3
+ CE1
100uF/35V
C680
220pF
TP35
R83
7
2
.2K
/N
C
R724
100/NC
TP7
R757
68K
L49
100uH
R736
100
TP29
C619
470pF
Q38
8550,DIP
2
1
3
C638
470pF
TP17
C647
470pF
C607
470pF
C618
470pF
C6
7
4
0
.1
5
u
F
R77747/0.5W
R714
100
TP13
TP38
D63
1N4148
1
2
C627
0.01uF
U19
BZ1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
R700
3.9K
R746
4.7K
TP32
J23
CON2.0-4/NC
1
2
3
4
+
CE1
1
3
2.2uF/50
V
C616
30pF
C614
0.1uF
R733
100
C681
220pF
Q41
8550,DIP
2
1
3
D59
IN60
1
2
C620
0.01uF/NC
R791
22K
TP28
R863
330
R763
1K
Q45
8050,DIP
2
1
3
R723
470
C613
470pF
R706
1K
R773
1K
R728
0
Q50
3904
2
1
3
R8
3
6
8
.2
K
R720
100/NC
R753
47K
C660
470pF
R739
100
C629
220pF
R822
0/NC
R778
470
Q48
8050,DIP
2
1
3
C6
7
5
0
.1
5
u
F
+
CE101
220uF/16V
R782
33K
R704
10K/NC
TP15
TP21
R866
10/0.25W
R698
47K
R744
47K
Y5
4.19MHz
C624
220pF
TP3
+
CE1
1
2
2
.2
u
F
/5
0
V
U17
PCF8563
5
6
7
8
1
2
3
4
SDA
SCL
CLK
VDD
OSCI
OSCO
INT
VSS
R760
220
J15
TUNER
1
2
3
4
5
6
7
8
9
10
R8
2
7
1
K
R737
100/NC
TP30
R709
47K
+
CE117
2
.2uF/50V
R864
330
+
CE1
0
8
2
.2
u
F
/5
0
V
+
CE1
0
6
2
.2
u
F
/5
0
V
TP24
C612
470pF
R823
0
C
6
71
2700pF
R775
47
R716
0
TP12
TP37
+
CE116
2
.2uF/50v
V
C630
220pF
Q43
D965,DIP
3
1
2
J24
CON2.0-7
1
2
3
4
5
6
7
R756
4.7K
J13
CON2.0-11
1
2
3
4
5
6
7
8
9
10
11
12
R8
3
2
33
K
D91
27V/SMD
CB119
0.1uF
R843
0
R712
100
CB1
1
5
0
.1
u
F
C6
7
2
0
.1
5
u
F
C636
0.047uF/DILUN
R701
68K
R745
100
U12
PT2314
SO28
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
VDD
GND
TREB_L
TREB_R
RIN
R
O
UT
LO
U
D
_R
RIN4
RIN3
RIN
2
RIN1
L
O
UD
_L
LIN4
LIN3
LIN2
LIN1
LI
N
LO
U
T
BIN_L
BOUT_L
BIN_R
BOUT_R
OU
T
_R
O
U
T_L
GND
DAT
A
CL
K
REF
+
CE1
0
7
2.2uF/50V/
NC
R826
47K
R842
10K/NC
C621
0.01uF/NC
TP8
R839
22K
TP27
D79
1N4148
1
2
R771
1K
R719
100
D67
6.2V/SMD
+
CE98
4.7uF/50V
C609
470pF
L60
FB/600
L48
10uH
C60815pF
+
C
E
109
2.2uF/50V
R726
10K
TP23
+
CE99
100uF/35V/8X7
Q47
8550,DIP
2
1
3
R740
100
R825
10K
R781
2.2K
+
CE120
4
.7uF/50
V
Q49
8050,DIP
2
1
3
TP4
Q44
8550,DIP
2
1
3
R8
3
8
4
7
K
D61
1N4148
1
2
R8
5
1
1
0
0
K
R715
47K
R79010K
R705
10K/NC
Y4
32.768KHz
R824
10K
R751
1K
+
C
E
121
22uF/16
V
R779
1K
+
C
E
114
100uF/35
V
R788
1K
C625
220pF
TP16
J14
CON2.0-5
1
2
3
4
5
R853
330
R755
1K
L43
FB/DIP
D65
1N4148
1
2
R731
4.7K
C683
1000pF
R697
1K
R741
1K
R762
470
R735
22K
TP9
J20
CON2.54-7/NC
1
2
3
4
5
6
7
R789
2.2K
C
6
70
2700pF
CB1
1
4
0
.1
u
F
+ CE103
10uF/50V
J16
2X9/2.54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
+
C
E
110
2
.2uF/50V
Q57
8050,DIP
2
1
3
+
CE97
10uF/16V
R721
100
TP25
TP31
R857
10K/NC
+
CE91
47uF/16V
R8
3
0
2
.2
K
CB85
0.1uF
R717
10K
U16
24C02
5
6
7
8
1
2
3
4
SDA
SCL
TEST
VDD
A0
A1
A2
GND
C628
0.01uF
R845
10K
TP19
R732
47K
R840
4.7K
R844
10K
TP5
R729
10K
CB1
1
3
0
.1
u
F
R8
3
5
8.2
K
R702
10K
U20
24C08A
5
6
7
8
1
2
3
4
SDA
SCL
TEST
VDD
A0
A1
A2
GND
R764
220
R821
100/NC
C684
1000pF
C622
0.1uF
TP10
R861
330
Q42
8050,DIP
2
1
3
Q39
8050,DIP
2
1
3
R725
100
TP34
+
CE
11
5
2
.2uF/50
vV
+
CE1
1
1
2.2uF/50V/
N
C
R8
3
1
3
3
K
R722
100
C615
1000pF
TP22
R734
100
C682
0.1uF
R854
330
R858
10K
R865
33/0.25W
R8
3
3
2
.2
K
TP18
R
8
52
100K
R774
2.2K
D5
8
9
.1
V
C6
7
3
0
.1
5
u
F
U18
S3C9228
42
41
40
39
38
37
36
35
27
33
32
31
30
29
23
34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
24
26
28
25
UP-M
DOWN-M
NC
NC
NC
STANDBY
MUTE
NC
OPEN-SW
ECOPOW
SDA
SCL
CLOSE-M
OPEN-M
DVD-STB
LED
DS-STB
DS-DATA
DS-CLK
REMOTE
ROT-A
ROT-B
TREBLE-AD
BASS-AD
FUN-A
FUN-B
VDD
VSS
XOUT
XIN
TEST
XTIN
XTOUT
REST
DVD-ON
DVD-DO
DVD-DI
DVD-CLK
USB-DET
DVD-SW
CLOSE-SW
SD-DET
Q37
D965,DIP
3
1
2
D64
1N4148
1
2
R713
100
R754
1K
R786
470
R8
2
8
2.2K/
NC
C626
220pF
D90
IN60
1
2
D62
1N4148/NC
1
2
C663
470pF
+
CE118
2
.2uF/50V
L61
FB/600
+
CE102
100uF/35V
R859
330
R711
10K
TP6
R766
2.2K
R770
470
R747
10K
TP11
TP36
C679
1000pF
TP33
C678
1000pF
R862
330
+
CE122
220uF/16V
J22
CON2.0-2
1
2
Q46
8550
2
1
3
R727
100
J18
CON2.54-2
1
2
R767
1K
C6520.1uF
R730
0
R783
47K
R718
10K
R738
100
C631
220pF
TP20
TP26
+
CE104
330uF/10V
D66 FR104/DIP
1
2
R787
1K
+
CE119
4
.7uF/50V
R703
10K
TP14
TP39
R829
300/0.5
W
L59
FB/600
C617
30pF
Summary of Contents for MCD712
Page 11: ...3 1 3 1 Software Version Check Upgrading 2 2 ...
Page 16: ...Tuner Board Layout Diagram 7 2 7 2 ...
Page 18: ...8 2 8 2 VFD Display Board Layout Diagram ...
Page 20: ...9 2 9 2 Power Board Circuit Diagram ...
Page 21: ...9 3 9 3 Power Board Circuit Diagram ...
Page 22: ...10 2 10 2 Power Board Layout Diagram 9 4 9 4 ...
Page 30: ...Decoder Board Layout Diagram 11 7 11 7 ...