Sharp CD-C451H (serv.man9) Service Manual ▷ View online
CD-C451H
– 26 –
Figure 26 SCHEMATIC DIAGRAM (5/14)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
7
6
5
4
3
2
1
6
5
4
3
2
1
+B
3
2
1
M
13
12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
+B
+B
24
23
21
20
22
19
18
17
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
TAPE1
PLAYBACK HEAD
L-CH
R-CH
TAPE1_L
A_GND
TAPE1_R
1
13
TAPE MECHANISM PWB-F
TAPE
SPEED
–
+
H
L
4
1
REC RVS
SOLENOID
F.A.S.
CAM
REC FWD
TAPE
MOTOR
T2_B_FP
PUL
T2_PH_IN
T1_RUN
D_GND
TA_CAM_SW
T2_A_FP
MOT +B
MOT H
MOT L
T2_RUN
T2_B_FP
PUL
T2_PH_IN
T1_RUN
D_GND
TA_CAM_SW
T2_A_FP
MOT +B
MOT H
MOT L
T2_RUN
3
3
2
2
1
1
+
–
–
+
Hich=T1
–
+
+
–
REC/P.B.
REC/P.B.
REC/P.B.
REC/P.B.
H
M_G
TAPE2_L2
TAPE2_L1
A_GND
TAPE2_R2
TAPE2_R1
M_GND
ERASE
ERASE
HEAD
HEAD
PWB-H
TAPE2
RECORD/
PLAYBACK
HEAD
R-CH
L-CH
FLEXIBLE PWB
112K
112K
RM11
8.2K
RM
1.2
R
DM02
1SS133
QM03
KTA1271Y
DRIVER
CM01
47/16
QM02
KTA1273Y
MOTOR DRIV
QM05
KTA1266GR
DRIVER
CNS101
FWM1
VRM1
3.3K(B)
3.3K(B)
RM1
2.7K
2.7K
SWM4
SOLM1
SWM5
CNPM2
SWM6
SWM3
FWM2
MM1
PHM1
WTM1
CNP101
C121
1/50
C101
680P
C102
680P
R102
1K
R101
1K
R118
1K
C1
22
R134
68K
C130
470P
470P
R136
1.8K
R117
1K
C128
3.3/50
R139
560
C129
470P
R135
1.8K
C107 680P
C108 680P
R109 4.7K
Q107
KTC3199 GR
R103 2.2K
R105
3.3K
Q103
2SC1845 F
Q106
2SC1845 F
R107 47K
Q105
2SC1845 F
R104
2.2K
R106 3.3K
Q104
2SC1845 F
R111
15K
R114
10K
Q110
KRC104 M
R113
10K
R115
4.7K
Q109
KTA1266 GR
Q111
KRC104 M
KRC104 M
C109
0.022
R123 4.7K
C119
560P
C117 0.033
R121
100K
C111
330P
330P
C113
330P
R140
560
R138 6.8K
R132
15K
C122 1/50
R120
56
C116
47/16
L108
2.2
µ
H
C1
22
R137 6.8K
C127 0.022
R131
15K
R119
56
C115
47/16
L107 2.2
µ
H
C112
330P
330P
C114
330P
R126
5.6K
C120
560P
R124 4.7K
R122
100K
C118
0.033
R125
5.6K
R112
15K
C106 330P
C105
330P
R191
1K
R192
1K
CNP102
R108 47K
Q108
KTC3199 GR
R110 4.7K
CNS102
BI102
– 27 –
CD-C451H
Figure 27 SCHEMATIC DIAGRAM (6/14)
7
8
9
10
11
12
16
9
3
Z
Y
X
W
20
21
2
6
5
1
15
7
14
13
4
18
8
17
10
12
+B
+B
+B
+B
+B
+B
+B
17
16
15
14
13
12
11
10
9
8
RECORD SIGNAL
PLAYBACK SIGNAL
TO MAIN
SECTION(2/3)
P32 5/6-A
1-C/E
TO MAIN
SECTION(3/3)
P34 2/3-H
6-A
MAIN PWB-A1(1/3)
TA_CAM_SW
TA_MOT_H/L
T1_RUN
D_GND
T2_A_FP
11
TA_PUL
M_12V
TA_MOT_SW
D_5V
T2_B_FP
T2_RUN
REC_L-CH
REC_R-CH
TAPE_L-CH
TAPE_R-CH
REC/PB
T1/T2
REC_MUTE
PB_MUTE
BIAS
A_12V
A_GND
BEAT_CUT
M_GND
–
+
56K
56K
+
–
Nor/ CrO
2
RIPPLE
Vcc
GND
3
2
1
MUTING
MUTING
MUTING
MUTING
(P.P)
(ML)
Hich=CHROME
ALC
M_GND
C163
47/16
RM10
1.2K
RM08
10K
RM09
2.2K
QM03
A1271Y
RIVER
RM07
10
01
6
QM02
KTA1273Y
OTOR DRIVER
RM06
2.2K
RM05 10K
GR
RM12
33K
RM14 10K
RM16 10K
RM15 10K
RM19 3.3K
RM20 10K
DM03
1SS133
C136
0.039
0.039
R146 10K
C140
0.0033
C134
22/25
130
70P
R139
560
R143
10K
R144
10K
Q117 2SC2878 A
C143 0.022
C144
0.022
C146 220/10
C147
0.022
C145 22/25
C142 1/50
R140
560
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
C141
1/50
R158
470
C133
22/25
6.8K
R168
4.7
R171 4.7K
Q129
KTC3199 GR
Q128
2SC2236 Y
Q126
KRC104 M
SWITCHING
R164
4.7K
Q130
KTC3199 GR
C151
0.027
(ML)
R167
47K
C162 0.047
R170 3.3K
R166
27K
Q124
KTA1266 GR
SWITCHING
L103
1mH
L104 330
µ
H
R160
150
C152
47/16
C156
0.022
Q121
KTC3199 GR
R153
10K
Q122 KTC3199 GR
R154
10K
R142
47
L102
1.8mH
R145
10K
C139
0.0033
L101
1.8mH
R141
47
C135
0.039
Q118 2SC2878 A
R162
47K
C150 0.0082
C161 560P
C110 47/25
R147
10K
R155
120K
R156
120K
120K
C155
100P
R193
220
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
– 29 –
CD-C451H
Figure 29 SCHEMATIC DIAGRAM (8/14)
7
8
9
10
11
12
+B
+B
+B
+B
+B
+B
+B
18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
+B
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
45 44 43
41
42
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
0V
0V
0V
0V
4.8V
0V
5V
0V
0V
TO MAIN PWB(2/3)
P33 7-H
P33 7-H
CNP701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
VF1
–VP
VF2
POWER
F_MUTE
M_12V
D_GND
D_5V
MAIN_STB
CLEAR
MAIN_S1
MAIN_S0
MAIN_SCK
TUN_CLK
TUN_DI
TUN_CE
TUN_DO
A_GND
HP_SW
HP_RCH
HP_LCH
TUN_MUTE
TUN_SM
TUN_SD
DISPLAY PWB-A3
3
1
DISC 1
DISC 2
DISC 3
DISC
SKIP
OPEN
/CLOSE
3
1
TIMER
/SLEEP
CLOCK
ON/
STAND-BY
REV
REW/
PRESET
DOWN
VOLUME
DOWN
EQUALIZER
/DEMO
REVERSE
MODE
VOLUME
UP
X-BASS
STOP
FWD
FF
PRESET UP
REC
PAUSE
DOLBY
PRO LOGIC
/BYPASS
CENTER
MODE
/NORMAL
CENTER
MODE
/PHANTOM
TAPE
VIDEO
/AUX
EON
DISPLAY
MODE
ASPM
PTY./TI
SEARCH
TUNER
/BAND
TUNING
UP/TIME
MEMORY
/SET
TUNING
DOWN
/TIME
BEAT
CANCEL
TAPE 1 EDIT
CD/TAPE 1
EDIT
CD
Q5
Q6
Q7
Q8
Q9
Q10
Q11
OE
VDD
VSS
DATA
CLOCK
LCK
Q0
Q1
Q2
Q3
Q4
3
2
1
TUN_SM
TUN_SD
POWER
F_MUTE
P32/TO2
P31/TO1
P02/INTP2
P03/INTP3/CI0
P33/
TI1
P34/TI2
P35/PCL
P36/BUZ
VSS
XT2
P04/XT1
AVREF
AVDD
P10/ANI0
P11/ANI1
P12/
ANI2
P13/
ANI3
P16/ANI6
P15/ANI5
P14/ANI4
P17/ANI7
AVSS
P37
P30/TO0
DI
CE
CL
X1
X2
VSS
AVREF
AVDD
KEY-0
KEY-1
KEY-2
KEY-3
XT2
P04
5V BACK UP
C729
47/16
R749
10K
CNS701
SW707
SW708
RD07
12K
SW706
RD05
3.9K
SW705
RD04
2.2K
SW704
RD06
5.6K
FW701
FW701-1
FW701-2
RD30
1.2K
RD29
1K
SW734
SW733
RD22
1K
SW726
RD23
1.2K
SW725
RD24
1.8K
LED711
333GTH-2
Q–SOUND
VIRTUAL
PROLOGIC
LED709
333GTH-2
LED707
333GTH-2
LED706
333GTH-2
LED708
333GTH-2
LED710
333GTH-2
R742
820
R743
820
R744
820
D708
1SS133
C708 0.01
D706
1SS133
R766 100K
L701
100
µ
H
R728
10K
R727
1K
R783
10K
R726 1K
R
R718 1K
R722 1K
R720 1K
R717 1K
R716 1K
R721 1K
RD35
12K
RD32
2.2K
RD33
3.9K
SW739
SW737
RD34
5.6K
RD20
5.6K
SW701
SW711
SW719
RD17
1.8K
SW710
SW730
SW729
SW728
RD25
2.2K
RD26
3.9K
RD02
1.2K
SW721
RD21
12K
RD11
2.2K
RD18
2.2K
RD16
1.2K
RD08
1K
SW714
SW713
SW709
C702
220/10
C701 0.022
R713 1K
R714 1K
R715 1K
C704
18P
C703
15P
XL701
4.19MHz
R719 1K
R712 1K
RD03
1.8K
SW703
RD14
12K
SW716
RD28
12K
SW732
SW731
SW738
SW740
RD27
5.6K
RD13
5.6K
SW715
RD09
1.2K
RD10
1.8K
RD19
3.9K
SW724
SW723
RD01
1K
SW702
SW718
RD12
3.9K
SW712
RD31
1.8K
SW736
R736 8.2K
R735 8.2K
R733 8.2K
R732 8.2K
R731 8.2K
R734 8.2K
R741 1K
R740 1K
R739 1K
R737 1K
R772
1K
R771
100
Q706
KTC3199 GR
Q710
2SD468C
R765 3.3K
D705
1SS133
R773 100
C709
100/10
Q704
KRC102 M
R774
150
R792
22
R790
100
D709
1SS133
D707
1SS133
ZD701
MTZJ3.9B
C710
220/10
LED701 333GTH-2 PLAY
LED702 333GTH-2 FF
LED703 333GTH-2 STOP
LED704 333GTH-2 REW
LED705 333GTH-2 REV
IC702
BU2092F
INPUT/OUTPUT EXPANDER
R770
1K
R768
10K
R767
82
Q705
KTC3199 GR
R769
10K
RX701
R775
2.2K
R791 1.2K
C733
10/16
C731
47/25
ZD710
MTZJ6.2C
C732
0.022
C715
0.022
R738 1K
R763
1K
C706
0.01
C707
3.3/50
RD15
1K
R781 10K
R780 1.8K
R779 10K
C730
0.022
C726
C726-C721:150P
C725
C724
C723
C722
C721
FLAT CABLE(263)
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