Read Sharp CD-C423H (serv.man4) Service Manual online
CD-C423H
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Figure 34 SCHEMATIC DIAGRAM (8/10)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
TO MAIN PWB
P28 5-B
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
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
7G
8G
S0
9G
10G
S1
S2
S3
S4
VLOAD
S10
S5
S6
S7
S8
S9
S13
S14
S15
S16
S17
S18
S19
S20
S21
VDD
VSS
REMOCON
SYS STOP
POWER
AR_P
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
3G
2G
1G
0G
6G
5G
4G
CLEAR
RESET
S11
S12
FW702
3
4
5
6
7
8
9
FL701
FL DISPLAY
R764
1K
R766 1K
R723 1K
IC701
IX0223AW
SYSTEM MICROCOMPUTER
C701 220/6.3
C702 0.022
R728 1K
R725 1K
R716 1K
R719 1K
R724 1K
R727 1K
R721 1K
R722 1K
R718 1K
R717 1K
R726 100
R720 1K
R715
100K
Q701
KRC107 M
R729
1K
R794
33
C717
47/16
C718
1/50
C719
1/50
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