Sharp MD-X7H, Руководство по обслуживанию

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MD-X7H
Figure 7 SCHEMATIC DIAGRAM (3/7)
7
8 9 10 11 12
– 7 –
FM SIGNAL
CD SIGNAL
P42(1-G) P43(6-A)
80
16
15
14
13
12
11
10
9 8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
2
1
6
5
4
3
2
1
3
2
1
2
2
1
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
6
5
4
3
2
1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
14 13 12
4 5
23 29 28 27 25 24
8 7 7 6 1 3
11 26
1 2 3 4 5
76
77 78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
+B
+B
+B
+B
0V
4.8V
0V
0V
0V
4.8V
0V
4.8V
0V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
33 34
VSS
TUNER MUTE
NC
CCB-CL
FAN MOTOR
POWER DOWN
RLY_OUT
CCB-DI
CCB-DO
CCB-CE
DIG_A
POWER
L-MUTE
S-MUTE
MIC MUTE
CD-MUTE
PU IN
SL–
MD_ST SERCH RESET
CD_MUTE
MIC_MUTE
PU_IN
TUNER_MUTE
CCB_CL
CCB_DI
CCB_DO
CCB_CE
JOG_1
JOG_2
DIG_A
DIG_B
POWER
L_MUTE
S_MUTE
RLY_OUT
RES
_CD
SL+
DRF
WRQ SL-
SYN
DATA
WRQ RES
DIG_B
JOG_1
JOG_2
DATA
CNP810
P54 1-C
FROM
POWER AMP.PWB
CNP820
P54 1-G
FROM
POWER AMP.PWB
CNP774
P51 12-G
FROM
SWITCH A PWB
P51 12-F
CNP773
FROM
SWITCH A PWB
24
1
MD FLAT CABLE(42)
P65 12-G
CNP1902
TO MD
MAIN PWB
CNS970
FROM
CD SERVO PWB
CNP1904
FROM MD PWB
POWER DOWN
V_LOAD
A_GND(MD)
A_10V(MD)
D_GND(MD)
D_+B(MD)
A_–11V
P_IN
POWER
L_CH_OUT
R_CH_OUT
A_GND
PROTECT
BL
FAN
+5V
(BACK_UP)
A_GND
GND(TUNER)
DSTB1
MDDATA1
LOAD_SW
LOAD_SW
PIN
OPT
PC
CD
MODE
B
1C3
1C2
1C1
1C0
1Y
GND
1G
2G
A
2Y
Vcc
2C3
2C2
2C1
2C0
INVERTER
R_OUT
MD_A_GND
L_OUT
AD_GND
R_IN
MD_A_GND
L_IN
A_10V(MD)
D_+B(MD)
D_+B(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
D_GND(MD)
DSTB
MDDATA
KDATA
LOAD_SW
RESET
MD_ST
DSCK
SERCH
AUX DIGITAL 1
INPUT
DIG_GND
CD_DIGI_IN
D_GND
+13R5V
RX_IN
KEY0
KEY3
KEY2
KEY1
JOG1
JOG2
D_GND
CLK
CLK2
DATA
R_CH_OUT L_CH_OUT A_11V A_–11V A_GND CD_L_OUT CD_R_OUT CD_A_GND MD_A_GND CD_MUTE L_MUTE S_MUTE MIC_MUTE CCB_CL SD CCB_CE CCB_DO CCB_DI TUNER_MUTE
F
G
L_OUT R_IN R_OUT L_IN
DIG_A DIG_B
CD_7V
CD_GND
CD_9V
A_GND
A_11V
+5R6V
M_GND
M_GND
CD_GND
D_GND
A_GND
D_GND
100
P61 12-D
P47 12-D
4.8V
4.3V
0V
1 2 3 4 5 6 7
8 9 10 11 12 13 14
L903
2.2
µ
H
C947
47P
C946
47P
C924
0.022
C950
33P
C928
1000/6.3
D902
1SS133
R1039 470K
C920 100P 100P
C933
1/50
C932
0.022
C938 0.022
IC905
74HCU04
MULTIPLEXER
CNS950
CNS950A
CNS950B
CNP950
CNP940
CNP930
CNP910
TP936 TP937 TP938 TP939 TP940 TP941 TP933 TP934 TP935
TP916 TP917 TP918 TP919
TP920 TP921 TP922 TP923 TP924 TP927 TP928 TP929 TP930 TP931 TP932
R1013 1K
R1021 1K
C934
0.1
L905
2.2
µ
H
R1030 22K
R1055 22K
R1028 22K
R1027 330K
R1026 22K
R1025 22K
R1024 22K
C921 0.022
R1023 22K
L902
2.2
µ
H
R1036
10K
Q903
2SC1740 SR
R1038 470K
Q902
2SC1740 SR
R1037
10K
R1034
10K
R1033
10K
R1018 1K
R1016 1K
R1008 1K
R1007 1K
R1004 1K
R1000 1K R1002 1K
R1006 1K
R1009 1K
R1010 1K
R1011 1K
R1015 1K
R1014 1K
R998 1K R995 1K R993
1K
R1012 1K
R1020 1K
R1019 1K
UNA901
R1001 1K R1003 1K
R994
1K
R996 1K R999 1K
C937
1/50
R1053
82
C1009
150p
L906
2.2
µ
H
C936 0.022
IC904
74HC153P
R1054 1K
R1056 22K
C926
1/50
C927
220/10
R1040 100
SW901 RESET
R1058
680
L904
2.2
µ
H
CNP995
D905
1SS133
CNP961
CNP920
Q904
2SC1740 SR
R1063
10K
R1064
10K
R1067
470K
C942
0.022
R1077 22K
R1092
2.7K
R1091
2.7K
R514
3.3K
R513
3.3K
R512
18K
R511
18K
R1017 1K
TAGE
4
0V
4.8V
4.8V
0V
4.8V
0V
1.5V
0V
0V
0V
0V
4.3V
0V
0V
4.7V
4.5V
4.5V
4.8V
4.7V
4.7V
0.2V
3.8V
0V
0V
4.8V
0V
4.8V
0V
0V
4.8V
0V
4.6V
4.8V
0V
0V
4.4V
4.6V
4.6V
4.6V
4.6V
0.2V
0.2V
0.2V
0.2V
0.2V
0.2V
4.8V
4.8V
4.8V
2.7V
2.4V
4.8V
0.1V
4.8V
4.8V
4.2V
4.8V
4.8V
4.8V
4.8V
4.8V
0V
0V
4.8V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
IC901
0V
0V
0V
4.7V
4.7V
4.8V
0V
0V
0V
4.8V
4.8V
4.8V
0V
4.8V
4.8V
4.7V
4.8V
0V
4.8V
0V
0V
0V
4.7V
4.7V
0V
0V
4.8V
4.8V
0.3V
0V
0V
0V
4.8V
0V
4.7V
0V
73
72
71
70
69
68
67
66
65
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
100
99
98
97
96
95
PIN
NO. VOLTAGE
IC901
R1048
330
R1052
56K
C939
0.01
R1049
82
ZD901
UZ5.1BSB
JK902
AUX DIGITAL 2
INPUT
C945
0.047
R1051
2.7K
R1050
220K