Sharp MD-X5H Service Manual page 50

MD-X5H/CP-X5H
CD SERVO PWB-C (2/2)
A
B
C
PU_IN
1
SL–
2
SL+
3
DRF
4
WRQ
5
RES
6
CQCK
7
COIN
8
SQOUT
9
RWC
10
OPEN_SW
11
CLOSE_SW
12
D
CD_MUTE
13
CD_L_OUT
14
CD_A_GND
15
CD_R_OUT
16
CD_7V
17
CD_GND
18
MO_9V
19
E
MO_GND
20
GND(D)
21
F
KB_DATA_IN/OUT
TO JACK PWB 1
KB_CLK_IN/OUT
2
KB+5V
CNS907
3
D_GND
P53 7 - C
4
CD SIGNAL
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.
1
MD PLAYBACK SIGNAL
MD RECORD SIGNAL
+B
R913
5.6K
+B
R914
5.6K
Q91
KR C107M
C96
0.1/50
3
2
1
R91
33K
R921
22K
R922
22K
R923
22K
R951
10K
+B
+B
2 3
Figure 50 SCHEMATIC DIAGRAM (11/16)
C913
100P
OPEN_SW
CLOSE_SW
100 99 98 97
C-SW1
1
0.2V
2 C-SW2
0.2V
C-SW3
3
0.2V
4 C-SW4
0.2V
TRY_SW1
5
0.2V
6 TRY_SW2
0.2V
TRY_SW3
7
0.2V
X901 R929 8 TRY_SW4
0.2V
8MHz
4.7M R939
VDD
9
1.8K
4.8V
MAIN CLK OUT
10
2.7V
C912
MAIN CLK IN
11
15P(CH)
2.4V
C908
VSS
12
0V
10P(CH)
SUB CLK OUT
13
4.8V
R940
SUB CLK IN
14
0V
1K
RST R941
RESET
15
1K 4.8V
RX_IN
RX IN
16
4.8V
P_IN
P-IN
17
4.8V
R944
NAME IN
18
0V
100
KB DATA IN/OUT
19
0.1V
R945
KB CLK IN/OUT
20
100
4.8V
R946
PROTECT
4.8V 21
1K
DSTB
22
4.2V
AVDD
23
4.8V
AVREF0
24
4.8V
KEY0
KEY0
25
4.8V
R950
1K
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
C901
R953
0.047 10K
TACK SOLDER
R954
220K
4.8V
RESET
IC903
1
PST9140
3
C915
0V
0.1
RESET
4
– 50 –
96 95 94 93 92 91 90 89 88 87 86 85 84 83 82
77
99 98
100
IC901
IX2718AF
SYSTEM MICROCOMPUTER
26 27 28
R967
1K
R966
3.3K
R1046
10K
4.8V
2
C916
0.1
5
C920
C919
100P
100P
81 80 79 78 77 76
R998
LOAD
75
4.8V
R1000
S-ID
74
0V
R1002
RESET
73
0V
VSS
76 72
0V
R1004
TUNER MUTE
71
4.7V
F-SELECT
70
0V
R1006
P-DOWN
69
4.8V
FAN MOTOR
68
0V
R1008
CCB-CL
67
0V
R1009
CCB-DI
66
0V
R1010
CCB-DO
65
0.3V
R1011
CCB-CE
64
0V
JOG_A
63
4.8V
JOG_B
62 4.8V
R1014
DIG_IN_A
61
0V
R1015
DIG_IN_B
60
0V
R1016
POWER
59
0V
RLY
58 0V
R1018
L-MUTE
57
4.7V
R1019
S-MUTE
56
4.7V
MIC_MUTE
55
4.7V
R1020
CD-MUTE
54
49 50
4.7V
R1021
PU IN
53
4.8V
R1003
SL–
52
0V
SL+
51
0V
R1001
1K
CN
1 2 3 4 5 6 7 8
FW303
TO MAIN PWB
P41 9 - H
6