Sharp CD-C491H (serv.man3) Service Manual ▷ View online
CD-C491H
– 40 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 40 SCHEMATIC DIAGRAM (13/20)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
SWD
VOL JO
CD05 0.001
CV91 100P
CV92
100P
JV91
HEADPHONES
CD30 1/50
CD29 1/50
CD28 1/50
RD31
LV91
2.2
µ
H
MIC
DD01
1N4004S
RD60 10K
RD59
100K
2
1
3
RD57
39
CD10
220/6.3
CD11 0.022
RXD01
N64H380A
CD09
150P
LEDD02
KL052UL
LEDD03
LEDD03
SLR505MC
DD02
1SS133
RD58
100K
LEDD01
KL052UL
LEDD06
LEDD05
LEDD07
SLR325VR
QD05 KRC107M
RD52
560
LEDD08
LEDD09
SLR325MGX2
RD28
1K
SWD03
SWD04
SWD12
SWD13
SWD14
SWD15
SWD16
SWD17
SWD30
SWD31
SWD32
SWD33
SWD34
SWD35
SWD36
RE21
8.2K
RE11
8.2K
RE31
8.2K
SWD05
SWD06
SWD23
RE02
1K
RE12
1K
RE13
1.2K
RE14
1.8K
RE15
2.2K
RE16
3.9K
RE32
1K
RE33
1.2K
RE34
1.8K
RE35
2.2K
RE36
3.9K
RE37
5.6K
RE41
8.2K
RE51
8.2K
RE01
8.2K
RE22
1K
RE25
3.9K
LEDD11
SLR325MG
LEDD12
SLR325MG
LEDD13
SLR325VR
FLD01
RD19
1K
RD21
1K
RD22
1K
RD27
1K
RV91
220
RV92
220
RD02
1K
RD01
1K
RD05
@
1K
RD06
@
1K
RD07
@
560
RD04
@
1K
RD03
1K
RD08
@
1K
RD10
@
1K
RD09
@
560
RD13
@
560
RD14
@
1K
RD15
@
1K
RD11
560
RD12
@
1K
RD17
@
1K
RD16
@
1K
RD26
1K
QD03
KRC107M
RD50
820
QD02
KRC107M
RD49
1.2K
QD01
KRC107M
RD48
1.2K
QD04
KRC107M
LEDD04
KL052UL
RD51
1.2K
QD06
KRC107M
RD53
1K
RE04
1.8K
RE03
1.2K
SWD26
RE26
3.9K
SWD27
SWD28
RE27
5.6K
RE28
12K
SWD29
RE29
27K
SWD37
RE38
12K
SWD38
RE39
27K
LEDD14
SLR325MG
LEDD15
SLR325MG
LEDD16
SLR325VR
LEDD18
SLR325MG
LEDD19
SLR325MG
LEDD17
SLR325VR
CD21 150P
CD20 150P
CD19 150P
CD18 150P
RE23
1.2K
QD08
KRC107M
RD55
820
QD07
KRC107M
RD54
1.2K
RD29
1
VSS
VDD
DATA1
COM1
P17
(0V)
P30
(0V)
SI1
(0V)
SO1
(0V)
SCK0
(4.0V)
SI0
(0V)
SO0
(0V)
P07 STEREO-R
(0.4V)
P06 STEREO-G
(9.0V)
P05 NORMAL-R
(10.8V)
P04 NORMAL-G
(0.6V)
VDD2
(4.1V)
VSS2
(0V)
P03 VIRTUAL-R
(10.8V)
P02 VIRTUAL-G
(-6V)
P01 PHANT-R
(10.8V)
P00 PHANT-G
(0.6V)
PG3 Q SOUND-R
(0V)
PG2 Q SOUND-G
(4.0V)
PG1
(0V)
PG0
(0V)
S46
(0V)
S45
(0V)
(4.1V)
VDD4
(-30V)
S39
S47
(0V)
VDD
X-BASS
PRE EQ.
STOP
CD
PAUSE
KEY1
KEY2
KEY3
KEY4
ITEM
REC
PAUSE
F-PLAY
DV
S5
S4
S3
S2
S1
NC
NC
NC
3
1
4
5
6
7
8
9
S5
S4
S3
S2
S1
F1
F1
NC
NC
FF
STROBE
R-PLAY
REV
MODE
R-PLAY
MEMORY
TIMER
SLEEP
CLEAR
DISK 1
DISK 2
DISK 3
REW
KEY5
PAUSE
GND(D)
+4.6V(D)
+12V(M)
COM1
DATA1
STB
RESET
F-PLAY
STOP
KEY6
MENU
(YELLOW)
F-PLAY
(YELLOW)
STOP
(GREEN)
LEDD21
SLR505MC-1
(YELLOW)
LEDD20
KL052UL
R-PLAY
REW
BY-PASS
Q-SOUND
CLOCK
HEADPHONE PWB-C3
1
5
FWV91
HP-LCH
HP-RCH
GND(M)
GND(A)
P45 12-D
TO SPEAKER AMP.2 PWB
WTV11
FM SIGNAL
FWD02
VF2
–38(VP)
VF1
WTP02
P35 11-G
TO MAIN PWB
1
3
1
2
3
4
5
6
7
8
9
10
CNSD01
P30 1-A
TO MAIN PWB
CNPF01
–B
–B
+B
+B
+B
1
2
1
2
3
1
2
3
1
1
1
2
2
2
3
3
3
+B
+B
1
2
1
2
+B
+B
+B
HIGH
EDIT
TUNING DOWN/
REWIND
2 3 4 5 6 7 8 9
10 1
7
71
72
73
74
75
76
77
78
79
80
81
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
100
SCK1
(0V)
P16
(0.6V)
H/P SW
SCK1
3
3
(GREEN)
FF
(YELLOW)
PAUSE
3
LEDD10
SLR325VR
SLR325MGX2
2
SCK1
(0V)
S44
(0V)
S43
(-28V)
S42
(-30V)
S41
(-28V)
S40
(-28V)
S38
P31
(0V)
P32
(0V)
P33
(0V)
P34
(0V)
P35
(0V)
P37
(0V)
INT0
FL
-SET
(0V)
P36
(0V)
TUNING UP/CUE
NORMAL
EDIT
VIRTUAL
PHANTOM
NORMAL
DISPLAY PWB-C1
– 41 –
CD-C491H
7
8
9
10
11
12
Figure 41 SCHEMATIC DIAGRAM (14/20)
XD01
LD01
2.2
µ
H
CD06 0.001
SWD01
VOL JOG SW
CD05 0.001
CD07 0.001
CD08 0.001
SWD02
JOG
CD02
100/10
CD01
0.022
RD36 1K
RD40 1K
RD39 1K
RD41 1K
RD42 1K
RD44 1K
RD38 1K
RD37 1K
RD43 1K
RD35 1K
RD34
820
RD33
1K
RD32
1K
RD31
1K
ICD01
IX0234AW
SYSTEM
MICROCOMPUTER
RD64 10K
RD65 10K
RD60 10K
RD61 10K
RD59
00K
RD45 1K
LEDD25
LMKD515B
LEDD26
LMKD515B
LEDD27
LMKD515B
LEDD28
LMKD515B
LEDD23
LMKD515B
LEDD24
LMKD515B
RD70
820
RD71
820
RD72
820
QD12
KRC107 M
QD11
KRC107 M
QD10
KRC107 M
RD28
1K
SWD39 SWD41
SWD42
SWD48
RE42
1K
RE43
1.2K
RE44
1.8K
RE52
1K
RE41
8.2K
RE51
8.2K
RD27
1K
RD26
1K
SWD53 SWD52 SWD51 SWD50
RE56
3.9K
RE55
2.2K
RE54
1.8K
SWD54
RE57
5.6K
RE53
1.2K
RD29
10K
RD62
8.2K
RD63
1K
SWD40 SWD43
RE45
2.2K
SWD44
RE46
3.9K
RE47
5.6K
RE48
12K
SWD45 SWD46
RE49
27K
SWD47
REMOCON
VDD
VSS
JOG DOWN
JOG UP
VDD
–29(VP)
XCOUT
XCIN
VOL JOG DOWN
VOL JOG UP
AN2
(0V)
AN3
(4V)
(4.0V)
VDD3
(-29V)
S3
S2
(-29V)
(-29V)
S4
(-29V)
S5
(-29V)
S6
(-29V)
S7
(-29V)
S8
(-29V)
S9
(-29V)
S10
(-29V)
S11
(-29V)
S12
(-29V)
S13
(-29V)
S14
(-29V)
S15
VP
(-30V)
(-26V)
S16
(-30V)
S17
(-21V)
S18
S19
(-30V)
R
(0.4V)
G
(9.0V)
-R
(10.8V)
-G
(0.6V)
-R
(10.8V)
-G
(-6V)
(10.8V)
(0.6V)
D-R
(0V)
D-G
PG0
(0V)
(4.1V)
VDD4
(-30V)
S39
RESET
VDD
DISC2
DISC1
DISC3
DISC 1
DISC 2
DISC 3
DVD/VIDEO 1
TAPE
1/2
TUNER
/BAND
CD
DVD/VIDEO 2
G15
G14
G13
G12
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
S27
S26
S25
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
NC
NC
S19
3
4
5
6
7
8
11 12 13 14
9
10
16 17 18 19
15
20 21
23 24 25 26 27
22
28
29 30
32 33 34 35
31
36 37
39 40 41 42 43
38
44 45
47 48 49 50 51 52 53 54 55 56 57
46
NC
NC
F2
F2
1G
2G
8G
7G
6G
5G
4G
3G
9G
10G
11G
12G
15G
NC
NC
NC
NC
NC
NC
NC
S27
S26
S25
S24
S23
S22
S21
S20
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
NC
NC
KEY4
KEY1
KEY2
KEY5
KEY6
TUN-SET
AUD-SET
POWER
DISK 1
DISK 2
DISK 3
DISC3
OPEN/
CLOSE
DISC
SKIP
DISC2
KEY5
S24
KEY6
LEDD23~LEDD28
VHPLMKD515B-1T
RDS
PTY PT
RDS
EON
RDS
DISPLAY
+B
–B
+B
1
2
3
1
1
2
2
3
3
DISC 3
DISC 2
DISC 1
+B
+B
2
3
4
5
6
1
WHD01
FWD01
1
6
+B
SWITCH PWB-C2
DISPLAY PWB-C
4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
7
81
100
SCK1
(0V)
31
S1
(0V)
13G
14G
KEY3
(0V)
S44
(0V)
S43
(-28V)
S42
(-30V)
S41
(-28V)
S40
(-28V)
S38
(-30V)
S37
(-30V)
S36
(-30V)
S35
(-30V)
S34
(-30V)
S33
(-30V)
S32
(-21V)
S31
(-30V)
S30
(-26V)
S29
(-28V)
S28
(0V)
S27
(0V)
S25
(-28V)
S24
(0V)
S23
(-23V)
S22
S21
(-28V)
S20
(-26V)
(0V)
S26
P31
(0V)
P32
(0V)
P33
(0V)
P34
(0V)
P35
(0V)
P37
(0V)
/RES
(4V)
P74
(4V)
P75
(4V)
VSS1
(0V)
CF1
(1.7V)
CF2
(1.9V)
VDD1
(4V)
AN0
(0V)
AN1
(0.4V)
INT0 FL-SET
(0V)
P36
(0V)
AN4
(4V)
AN5
(4V)
AN7
(4V)
INT1
(4V)
INT2
(4V)
INT3
(3.5V)
S0
(0V)
AN6
(4V)
RDS
ASPM
DISC1
JOG PWB-C4
CD-C491H
– 42 –
Figure 42 SCHEMATIC DIAGRAM (15/20)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
A
B
C
D
E
F
G
H
1
2
3
4
5
6
D991
KBU1003
Q908
KTC3199 GR
Q909
2SD2012
C919
4700/25
Q905
KTC3199 GR
C908
47/25
R909
1K
R908 33K
Q906
2SD2012
C910
47/25
R911
560
D901
1SS133
C907 220/25
ZD903 MTZJ13C
R902
1K
C903
47/25
C904
47/25
C905 47/25
ZD904
MTZJ8.2C
D905
1SS133
Q910
KTC3199 GR
Q911
2SD2012
C914
100/25
R913
560
ZD905
MTZJ6.8C
D906
1SS133
C954
0.22(ML)
C956
0.22(ML)
R903
47
R910
150
R912
47
R914
47
Q907
KRA102 M
SWITCHING
R917
4.7K
Q914 KRC107 C
C902
47/25
R901
47(1W)
R918
100
C920
47/25
Q913
2SB1375
ZD901
MTZJ13A
C906
0.022
C901
0.022
C911
0.022
C915 0.022
C909
0.022
R907
560
F999
T500mA L 250V
R921
100(1W)
+7.3V(CD)
+12V(A)
+12V(M)
+4.6V(D)
GND(D)
GND(M)
+5V(AC3)
+VCC
–VCC
–VCC
+VCC
CD GND(D)
GND
GND
–VCC
–VCC
GND
GND
GND
+VCC
+VCC
GND
GND
–B
+B
+B
+B
VOLTAGE
REGULATOR
Q903
2SD468 C
R904
1.5K
ZD902
MTZJ5.6A
R906
100
R905
22(1/4W)
Fusible
VOLTAGE
REGULATOR
Q902
2SD2012
VOLTAGE
REGULATOR
Q901
KTC3199 GR
1
2
3
–B
+B
–B
–B
+B
+B
–B
–B
+B
–B
+B
BI903
BI904
CNS904
CNS903
CNPX12
P45 7-H
TO SPEAKER
AMP.1 PWB
P45 7-D
TO SPEAKER
AMP.2 PWB
CNPV12
+B
Q910,Q911:VOLTAGE REGULATOR
BI902
P35 12-F
TO MAIN PWB
CNS902
GND(D4)
GND(D3)
+5V(AC32A)
VGND
CNPP02
+B
Q904
KRA107 M
SWITCHING
Q905,Q906:VOLTAGE REGULATOR
1
2
3
CD GND(D)
Q908,Q909:
VOLTAGE REGULATOR
1
2
3
+B
BI901
CNS901
POWER
CD GND(D2)
CD GND(D1)
+4.6V(D)
GND(M)
+12V(M)
+12V(A)
–12V(A)
GND(A)
GND(D)
+7.3V(CD)
P35 12-E
TO MAIN PWB
CNPP01
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
4 3 2 1
4 3 2 1
0V
-2.1V
1.2V
7.1V
7.7V
7.8V
8.3V
16.9V
16.9V
12.0V
12.6V
12.8V
13.3V
13.4V
13.4V
1.2V
16.9V
16.9V
13.3V
12.8V
12.0V
12.0V
4.8V
5.4V
16.2V
-12.3V
-12.8V
-13.0V
-2.1V
-22.7V
5.4V
6.1V
6.2V
6.8V
10.7V
10.7V
– 43 –
CD-C491H
7
8
9
10
11
12
Figure 43 SCHEMATIC DIAGRAM (16/20)
F997
T2.5A
L 250V
D993
D995
D994
D992
F998
T1.6A
L 250V
D997
D999
D998
D996
C913
3300/25
ZD951
MTZJ33C
C963
47/50
C964
47/50
ZD952
MTZJ6.8C
D954
1N4004S
R956 100
C965
100/35
R955
12K
D953 1N4004S
C962 47/63
R957 2.2K
D951 1N4004S
C961
220/50
D952 1N4004S
R954
220
R953
220
C960
220/50
C959 220/50
Q910
KTC3199 GR
1
D2012
C914
100/25
R913
560
ZD905
MTZJ6.8C
33
C957
0.047
(ML)
C958
0.047
(ML)
C966
0.047(ML)
C967
0.047(ML)
C954
0.22(ML)
C956
0.22(ML)
K991
K992
R914
47
F991
T2.5A L 250V
F995
T8A L 250V
F996
T8A L 250V
–38V
)
–B
T991
POWER TRANSFORMER
T.F.
AC POWER
SUPPLY CORD (242)
AC 230V,50Hz
CORE
(287)
WHEN SERVICING,PAY ATTENTION AS THE AREA
ENCLOSED BY THIS LINE ( ) IS DIRECTLY
CONNECTED WITH AC MAIN VOLTAGE.
ENCLOSED BY THIS LINE ( ) IS DIRECTLY
CONNECTED WITH AC MAIN VOLTAGE.
+B
–B
D996~D999
1N4004S
VOLTAGE
REGULATOR
Q951
KTA1266 GR
+B
FW901
1
3
–VP
VF1
VF2
P35 12-F
TO MAIN PWB
TAGE REGULATOR
POWER PWB - D
+B
D992~D995
2A02
6.2V
6.8V
10.7V
10.7V
-31.7V
-32.8V
-31.1V
WTP01
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