Sharp CD-DD4500 Service Manual page 28

CD-DD4500
A
B
FFC701
36 1
C
CNP601
TO
MAIN PWB
D
1 36
E
CNP704
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 49.
1
+B
1 2 3 6 7 8 9 10 11 12 13 14 15 16 17 18 19
+B
C701
47/50
CNP701
VF1 C702
1
47/50
VF2
2
–VF
3
UNSW_5V
+B
4
AC_RLY
5
D_GND
6
P_IN
7
M_12V
8
SP_DET
9
TUN_FNC
10
F_RLY
11
LCK2
12
SPAN
13
DIST_OUT
14
CE
15
CLK
16
DI
17
DO
18
8V
19
SPEANA
20
SWD_5V
+B
21
–20dB_ATT
22
SMUTE
23
6CH VOL_LATCH
24
KARAOKE_LATCH
25
–15V -B
C703
26
1/50
HP/MIC_IN
27
A_10V
+B
28
TUN_SM
29
DD_ST
30
DD_LOCK
+B
31
DD_CS
32
DD_LP
33
DD_ACK
34
DD_DIO
35
DD_CLK
36
D701
DS1SS133
+B
RESET
7
VPP
6
RX
5
TX
4
CD_CLK
3
RD53
D_GND
33K
2
5V_BACK-UP
+B
1
RD54
22K
RD55
-B
470K
RD56
33K
RD51
+B
RD63
12K
C734
RD64
68K
D711
DS1SS133
C736
0.022
RD65
15K
+B
DISPLAY PWB-B1
2 3
Figure 28 SCHEMATIC DIAGRAM (5/14)
+B
+B
RX701
+B
+B REMOTE
SENSOR
C715
3.3/50
3 2 1
C724 270P
RD59 820K
C725
D709
270P SPEANA3
4
–
DS1SS133
2 10kHz
1
+
3
RD57
D710
8
220K
SPEANA2
–
DS1SS133
6 63Hz
7
+
5
RD60 1M
DI
C727 0.0068 CLK
IC703
LCK1
KIA4558P
OPE AMP.
100
RD52 330
-B
0.0027
RD70 390K
C735
0.0027
SPEANA1
4
–
2
1kHz
1
+
3
+VCC
RD68
8
220K –
6
7
+
5
RD71 180K
C737
IC704
2.2/50
MOT_CNT
KIA4558P
OPE AMP.
4
– 28 –
FL701
FL DISPLAY
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 5
P6
P6
81
P5
P5
82
P4
P4
83
P3
P3
84
P2
85 P2
P1 99 G2
P1
86
R751 1K
100 G1
G14
87
R752 1K
G13
88
R753 1K
G12
89
R754 1K
G11
90
R755 1K
G10
91
SYSTEM MICROCOMPUTE
R783 1K
G9
92
G8
G8
93
G7
G7
94
G6
G6
95
G5
G5
96
G4
G4
97
G3
G3
98
G2
99
G1
100
1 2 3 4 5 6 7 8 9 10
L701
100µF
+B
5V BACK UP +B
5V USWD R768 10K
Q707 R766
KRC102 M 10K
2
3
1
D705
DS1SS133
RD50
1 18
VSS VDD
__ 1K
RD34 1K
2 DATA OE
17
RD35 1K
CLOCK
3
16
R_PLAY
RD36 1K
LCK
4 15
CD DISC3
RD38 1K
T2_SOL
T2_SOL
5 14
CD DISC2
RD37 1K
T1_SOL
T1_SOL
6 13
CD DISC1
RD41 1K
T_MOT
7
12
T_MOT
LED702
8 L–
F PLAY 11
4204UYT7 RD42
L+
+B STOP
9 10
1K
IC702
RD43
LED701
1K
4204UYT7
BU2092F
INPUT/OUTPUT EXPANDER
5
52 KARAOKE_LATCH
46
TUNER_FUNC/CD_RE
MOT_SPEED_CNT
45
IC701
IX0442AW
11 12 13 14 15 16 17 18 19 20 21 2
C707 0.022
RD88 10K
+B
+B
R792
10K
RD32
1K
C719 0.022
C720 47/16
CNP8
6