Read Sharp CD-C451H (serv.man9) Service Manual online
CD-C451H
– 28 –
Figure 28 SCHEMATIC DIAGRAM (7/14)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
MAIN_SCK
MAIN_STB
41 40
37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5
2 1
+B
+B
80
73
74
75
76
77
78
79
72
71
70
69
68
67
66
65
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
–28.4V
4.8V
–28.4V
DISPLAY PWB-A2
–B
–B
2
21
22
23
24
HP
RCH
HP_LCH
TUN_MUTE
TUN_SM
TUN_SD
5
4
3
2
1
TUN_CLK
TUN_DI
TUN_DO
TUN_CE
F
F
F
F
G11
G10
G09
G08
G07
G06
G05
G04
G03
G02
G01
S01
S02
S03
S04
S05
S06
S07
S08
S09
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
TUN_SM
TUN_SD
TUN_MUTE
8G
9G
P1
10G
11G
P2
P3
P4
P5
VLOAD
P11
P6
P7
P8
P9
P10
P14
P15
P16
P17
P18
P19
P20
P21
P22
VDD
VSS
REMOCON
SYS STOP
POWER
F_MUTE
P31/TO1
IC
P01/INTP1
P02/INTP2
P03/INTP3/CI0
P71
P72
P70
P00/INTP0/TI0
P
P
P
P16/ANI6
P15/ANI5
P17/ANI7
AVSS
P74
RESET
P24/BUSY
P25/SI0/SB0
P27/SCK0
P23/STB
P22/SCK1
P21/SO1
P20/SI1
P90/FIP2
P80/FIP0
P81/FIP1
P91/FIP3
P92/FIP4
P93/FIP5
P94/FIP6
P113/
FIP21
P114/ FIP22
P115/ FIP23
P127/ FIP33
P116/ FIP24
P117/ FIP25
P120/ FIP26
P121/ FIP27
P122/ FIP28
P123/ FIP29
P124/ FIP30
P125/ FIP31
P126/ FIP32
VLOAD
P97/
FIP9
P96/
FIP8
P95/
FIP7
P105/
FIP15
P104/
FIP14
P102/
FIP12
P100/
FIP10
P101/
P101/
FIP11
P103/
FIP13
P112/
FIP20
P110/
FIP18
P106/
FIP16
P107/
P107/
FIP17
P111/
FIP19
VDD
P26/SO0/SB1
P73
P30/TO0
VDD
MAIN_SO
MAIN_SI
–B
–B
4G
3G
2G
1G
7G
6G
5G
CLEAR
RESET
P12
P13
FL701
R729
1K
R727
1K
R783
10K
R726
R708 1K
IC701
IX0223AW
SYSTEM MICROCOMPUTER
C702 220/10
C701 0.022
R713 1K
R710 1K
R701 1K
R704 1K
R709 1K
R712 1K
R706 1K
R707 1K
R702 1K
R703 1K
R711 100
R705 1K
R778
100K
Q701
KTC3199 GR
R776
1K
R777
33
C716
47/16
C712
1/50
C734
0.0047
C735
0.0047
0.0047
JK700
HEADPHONES
C713
1/50
R793
4.7
4.7
FM SIGNAL
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