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+B
MODE
INVERTER
CD
IC904
PC
74HC153P
OPT
Vcc
1
1G
16
PIN
2
B
2G
15
3
1C3
A
14
4
2C3
4
1C2
13
TAGE
5
1C1
2C2
12
2C1
6
1C0
11
2C0
7
1Y
10
8
GND
2Y
9
C1009
150p
LOAD_SW
C924
0.022
C950
33P
VSS
100
R1004 1K
TUNER_MUTE
TUNER MUTE
99
NC
98
R1006 1K
POWER DOWN
97
R1007 1K
FAN MOTOR
96
R1008 1K
CCB_CL
CCB-CL
95
R1009 1K
CCB_DI
CCB-DI
94
R1010 1K
CCB_DO
CCB-DO
93
R1011 1K
CCB_CE
CCB-CE
92
R1012 1K
JOG_1
JOG_1
91
R1013 1K
JOG_2
JOG_2
90
R1014 1K
DIG_A
DIG_A
89
R1015 1K
DIG_B
DIG_B
88
R1016 1K
POWER
POWER
87
R1017 1K
RLY_OUT
RLY_OUT
86
R1018 1K
L_MUTE
L-MUTE
85
R1019 1K
S_MUTE
S-MUTE
84
R1054 1K
MIC_MUTE
MIC MUTE
83
R1020 1K
CD_MUTE
CD-MUTE
82
R1021 1K
PU IN
81
+B
+B
7
R1053
82
+B
C937
1/50
2.2µH
R1067
470K
R1063
4.8V
10K
0V
0V
Q904
2SC1740 SR
R1033
10K
MDDATA1
4.8V
R1036
10K
0V
0V
Q902
2SC1740 SR
DSTB1
R1034
4.8V
10K
0V
R1037
0V
10K
Q903
2SC1740 SR
R1023 22K
R1024 22K
R1025 22K
R1026 22K
R1027 330K
C921 0.022
R1028 22K
R1055 22K
R1056 22K
R1030 22K
+B
+5V
L902
(BACK_UP)
2.2µH
C942
R1058
C926
0.022
680
1/50
L903
2.2µH
A_GND
C928
1000/6.3
C947
47P
3
1
6
7
7
8
G
26
11
F
24
P42(1-G) P43(6-A)
8
Figure 7 SCHEMATIC DIAGRAM (3/7)
R1052
R1051
R1050
56K
2.7K
220K
R1048
7
6
5
4
3
2
1
330
8
9 10 11 12 13 14
IC905
C932
74HCU04
0.022
MULTIPLEXER
+B
L904
CNS950
2.2µH
1
1
2
2
CNS950A
L906
CNS950B
1
3
2
4
3
5
6
4
5
7
6
8
+B
+B
+B
+B
D902
+B
1SS133
+B
+B
C946
47P
GND(TUNER)
5
25
23
34
33
27
28
29
9
10
– 7 –
C939
0.01
JK902
AUX DIGITAL 2
INPUT
R1049
ZD901
82
UZ5.1BSB
L905
C945
2.2µH
4.8V
0.047
C933
C934
1/50
0.1
1
UNA901
0V
AUX DIGITAL 1
2
INPUT
4.3V
3
CNP961
FROM MD PWB
1
2
R514
P61 12-D
3.3K
CD SERVO PWB
CNP995
R513
1
3.3K
2
R512
24
18K
R_OUT
24
MD_A_GND
23
R511
L_OUT
22
R1092
AD_GND
18K
21
2.7K
R_IN
20
MD_A_GND
19
L_IN
18
A_10V(MD)
R1091
17
2.7K
D_+B(MD)
16
D_+B(MD)
15
D_GND(MD)
14
D_GND(MD)
13
D_GND(MD)
12
D_GND(MD)
11
DSTB
10
MDDATA
9
KDATA
8
SERCH
7
DSCK
6
MD_ST
5
RESET
4
LOAD_SW
3
2
POWER DOWN
1
CNP950
1
MD FLAT CABLE(42)
CNP940
RX_IN
8
KEY0
7
KEY1
6
KEY2
SWITCH A PWB
5
KEY3
4
D_GND
3
P51 12-F
+B
+13R5V
2
1
CNP930
CLK2
6
CLK
5
SWITCH A PWB
DATA
4
D_GND
3
JOG2
P51 12-G
2
JOG1
1
CNP920
M_GND
14
M_GND
13
+B
12
CD_GND
11
CD_GND
10
CD_7V
9
POWER AMP.PWB
8
CD_9V
7
D_GND
6
P54 1-G
D_GND
5
+5R6V
4
A_GND
3
A_GND
2
A_11V
1
A_GND(MD)
15
A_10V(MD)
14
D_+B(MD)
+B
13
D_GND(MD)
12
V_LOAD
11
A_–11V
10
9
POWER AMP.PWB
BL
8
FAN
7
P_IN
P54 1-C
6
POWER
5
PROTECT
4
L_CH_OUT
3
A_GND
2
R_CH_OUT
1
CNP910
4
12
13
14
11
MD-X7H
IC901
PIN
NO. VOLTAGE
1
0V
2
0V
3
4.8V
4
0V
5
0.2V
6
4.7V
7
4.7V
8
4.6V
9
4.8V
10
4.5V
11
4.5V
12
4.7V
13
4.8V
14
0V
15
0V
16
0V
CNP1904
17
4.3V
18
0V
19
4.4V
FROM
20
0V
21
0V
22
0V
CNS970
23
0V
P47 12-D
24
4.6V
25
4.6V
26
4.6V
27
4.6V
28
1.5V
29
0.2V
30
0.2V
31
0.2V
32
0.2V
33
0.2V
34
0.2V
35
4.8V
36
4.8V
TO MD
37
4.8V
38
MAIN PWB
2.7V
39
2.4V
CNP1902
40
0V
P65 12-G
41
4.8V
42
0V
43
4.8V
44
4.8V
45
4.8V
46
0V
47
0.1V
48
4.8V
49
4.8V
50
4.2V
51
4.8V
52
4.8V
53
4.8V
54
4.8V
55
4.8V
56
4.8V
57
0V
58
0V
59
4.8V
FROM
60
0V
61
0V
CNP773
62
3.8V
63
0V
64
4.8V
IC901
PIN
NO. VOLTAGE
65
4.7V
66
4.8V
67
0V
FROM
68
4.8V
69
4.8V
CNP774
70
4.8V
71
0V
72
0V
73
4.8V
74
4.8V
75
4.8V
76
0V
77
0V
78
0V
79
0V
80
0V
81
4.8V
82
4.7V
FROM
83
4.7V
84
4.7V
CNP820
85
4.7V
86
0V
87
0V
88
0V
89
0V
90
4.8V
91
4.8V
92
0V
93
0.3V
94
0V
95
0V
96
0V
97
4.8V
FROM
98
0V
99
4.7V
100
0V
CNP810
FM SIGNAL
CD SIGNAL
12
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