DOWNLOAD Sharp CD-C491H (serv.man4) Service Manual ↓ Size: 5.15 MB | Pages: 96 in PDF or view online for FREE

Model
CD-C491H (serv.man4)
Pages
96
Size
5.15 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-c491h-sm4.pdf
Date

Sharp CD-C491H (serv.man4) Service Manual ▷ View online

– 33 –
CD-C491H
Figure 33 SCHEMATIC DIAGRAM (6/20)
7
8
9
10
11
12
RK57
4.7K
QK19
KRC104  M
CK41
47/25 
CK46
220/10
CK45 22/25 
RK50 10K 
RK58
150(1/2W) 
ICK01
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
QK15
KRC104  M
SWITCHING
CK37
0.018
CK10
47/25 
CK35
0.022
RK41 82
LK01
1.8mH
CK33
22/25 
RK39 560 
CK31 270P
CK29
470P
RK37
6.8K
RK35
6.8K
K33
2K 
CK39
0.0033
CK42
47/25 
CK34
22/25
CK38
0.018
CK36
0.022
RK38 6.8K
CK32
270P
CK30 470P
6
.8K
3
.3/25
CK47 0.022 
RK45   10K 
RK49   10K 
CK40
0.0033
RK47
10K 
CK44
0.022 
CK43
0.022 
RK48
10K 
RK43
10K 
RK46
10K 
RK52
1K
RK67
47K 
QK28
2SC2236  Y 
LK03
1mH 
CK52
47/16 
RK62
47K 
RK72
56K 
RK64
4.7K
QK27
KRC104  M
RK73
56K 
CK50
0.0082
(P.P) 
CK51
0.027
(ML) 
RK68
4.7 
LK04
330
µ
QK31
KTC3199 GR
QK32
KTC3199  GR
RK70
4.7K
RK71
3.3K
CK61
560P
RK53
10K 
RK54
10K 
RK55
22K 
RK56
22K 
16
18
17
RK65 10K 
RK60
270 
RK61
270 
CK62
0.047
(ML) 
RK66
27K 
RK42
82
RK40
560 
LK02
1.8mH 
RK74
68K 
RK75
68K 
QK30 KRC104  M
RK81
6.8K
RK63 10K 
CK55
0.022 
CL13
3.3/50
RL24 3.3K
QL17
RC104  M
WITCHING 
QL18
KRC104  M
QL19
KRC104  M
DRIVER
QL16
KRC107  M
DL11
1SS133
QK40
KRC107  M
QK29
KRC107  M
RECORD  SIGNAL 
PLAYBACK  SIGNAL 
GND(D)
PB.MUTE 
GND(A)
12V(A)
VCC 
RIPPLE
ALC 
ALC
HI.SP

+
56K
+
56K
HI.SP
HI.SP
BIAS
T1-CrO
2
 
T2-B-FP
TA-MOT-SW 
M-12V 
TA-CAM-SW 
T1-RUN
T2-RUN
T2-A-FP 
M-GND 
TA-F/R  SPEED
TA-SOL
HIGH=HI-SP
NOR/HIGH
2
1
2
3
+B
M-12V
TA-CAM-SW
T2-A-FP
M-GND
TA–F/R  SPEED
T1-RUN
T2-RUN
TA-SOL
TA-MOT-SW 
T2  CrO
2
  H:CrO
2
  L:NORM 
T2-B-FP 
T1-CrO
2
 
PB.MUTE  H:ON   L:OFF
HI.  SP   H:LOW    L:HIGH 
PRE  R-CH
TA  T1/T2  H:T1      L:T2 
MUTING
QK17
2SC2878  A 
MUTING
QK18
2SC2878  A 
1
2
3
SWITCHING
QK16
KRC104 M 
1
2
3
1
2
3
SWITCHING
SWITCHING
QK24
KTA1266 GR 
SWITCHING
QK26
KRC104 M
SWITCHING
QK25
KTA1266  GR
1
2
3
1
2
3
MUTING
QK22
KTC3199  GR
MUTING
QK21
KTC3199  GR
1
2
3
1
2
2
3
3
1
QK29,QK30,
QK40:SWITCHING
+B
+B
BIAS  H:ON  L:OFF
REC  R-CH
REC  L-CH
TA  R/P  H:PB   L:REC
REC  MUTE
TA  PB  EQ L:NORM H:CrO
2
 
+B
BEAT  CANCEL
3
10
11
12
PRE  L-CH
13
14
15
16
17
18
54
55
19
20
GND
15
14 13
12
11
10
23
24
25
26
27
MAIN PWB-A(2/5)
12V
12V
4.0V
0V
0V
0V
0V
0V
0V
4.1V
0V
0V
0V
0.6V
3.0V
0V
3.7V
6.0V
0V
0V
3.0V
3.0V
0.6V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.7V
0.7V
0.7V 0.7V
0V
0V
0V
0V
0V
0V
0V
0V
0V
11.7V
11.6V
11.7V
0V
0V
0V
0V
11.7V
11.7V
TO MAIN  SECTION
P30 1-G
TO MAIN  SECTION
P30 1-G
CD-C491H
– 34 –
Figure 34 SCHEMATIC DIAGRAM (7/20)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
RR19
47K 
CR15
4.7/50
RR21
47K 
CR17
4.7/50
QR11
KRA107  M
QR13
KRA107  M
RP12
100 
RP11
100
CP30
2.2/50
RP34
1K
RP36
100K
RP35
100K
CP29
2.2/50
RP33
1K
QP11
2SC2878  A 
RP29
5.6K
CP25 0.001 
CP26 0.001 
RP30
5.6K
QP12
2SC2878  A 
RP27
47K 
RP28
47K 
ICP11
NJM4565M
BUFFER  AMP.  
RP22
100 
RP20
2.2K
RP19
2.2K
RP21
100 
CP23
10/16 
RP25
1K
CP24
10/16 
RP26
1K
RP18
8.2K
RP17
8.2K
CP19
0.1(ML) 
CP20
0.1(ML) 
CP15
0.1
(ML) 
CP16
0.1
(ML) 
CP17 47P 
CP18 47P 
RP15
100K
RP16
100K
CP28
0.022 
CP27
0.022 
RP32
220 
RP31
220 
RR20
47K
CR16
4.7/50
QR12
KRA107  M
CP07
100P
CP08
100P
CP09
47/25 
CP10
47/25 
CP13
0.001 
CP14
0.001 
CR66
47/25 
CR65
47/25 
DR12 1SS133
DR11 1SS133
CR13
390P
CR14
390P
RR17
1.8K
RR18
1.8K
RR11
27K 
RR12
27K 
CR11
390P
CR12
390P
RR15
27K 
RR16
27K 
JR12
JR11
CR10 0.001 
RR13
1.8K
RR14
1.8K
ICR11
GP1F38T
PHOTO  DIGITAL
OUTPUT  /LED
DIGITAL-OUT
CR02
100/10
CR01
0.022 
ZDR01
MTZJ3.3B 
RR01
100 
LR01
2.2
µ
H
CR03
0.001
CNPR11
CNPR12
2 1 
RP54
100K
CP44
0.001 
CP58
0.068 
RP53
100K
CP41
2.2/50
RP51
1K
QP15
2SC2878  A 
RP7
5.6K
CP47
0.001
CP53
0.001
QP16
2SC2878  A 
GND(A)
GND(A)
REAR  MUTE 
VIDEO-1 
+B
+B
–B
AC3-C  IN
AC3-SW  IN
AC3-LS  IN
AC3-RS  IN
GND(A)
R-CH  IN
L-CH  IN
2
1
2
3
S.W.
MUTE
REAR MUTE
CENTER
MUTE
L-CH
R-CH
L-CH
R-CH
VIDEO-2
+B
–B
INPUT
VIDEO/AUX-2
INPUT
VIDEO/AUX-1
L-CH
R-CH
L-CH
R-CH
GND
+4.3V
DOUT
DOUT
GND
P30 6-H,P31 10-G,12-B
TO  MAIN  SECTION 
P29 11-D
TO  CD  SERVO  PWB 
CNS99 
P46 1-A
TO  DOLBY  PWB
CNSA11
RP52
1K
CP42
2.2/50
S.W.MUTE
CENTER  MUTE 
CP32
0.001 
CP31
0.001 
QP13
2SC2878  A 
RP47 5.6K
CP37 0.001 
CP38 0.001 
RP48 5.6K
QP14
2SC2878  A 
L-CH
(1/2) 
(2/2) 
3
55
18
54
57
56
76
58
32
31
30
85
18
81
84
18
80
– 35 –
CD-C491H
Figure 35 SCHEMATIC DIAGRAM (8/20)
7
8
9
10
11
12
CP57
22/25 
RP73
22K 
QP11
2SC2878  A 
RP29
5.6K
CP25 0.001 
CP26 0.001 
RP30
5.6K
QP12
2SC2878  A 
RP27
47K 
RP28
47K 
CP23
10/16 
RP25
1K
CP24
10/16 
RP26
1K
CP28
0.022 
CP27
0.022 
RP32
220 
RP31
220 
QP17
KRC107  M
SWITCHING 
CP09
47/25 
CP10
47/25 
RP91 100 
CP91
100/6.3 
CFWP02
FWP02 
CFWP01
FWP01 
CNPP01
CNPP02
WTP02 
CP44
0.001 
CP58
0.068 
QP15
2SC2878  A 
RP70
5.6K
RP62
5.6K
CP47
0.001 
CP53
0.001 
QP16
2SC2878  A 
S-MUTE
POWER 
S-MUTE
–15V
GND(A)
+12V(A)
GND(D)
+4.6V(D)
RELAY4
RELAY3
+12V(M)
GND(M)
+7.3V(CD)
CD  GND(D1)
CD  GND(D2)
PROT
FAN  CONT
RELAY1
SP  LEVEL
H/P  SW
POSISTOR
VOL  SW
OUT3
H/P  SW
VOL  SW
RELAY2
OUT1(L-CH)
RELAY1
GND(A)
FAN CONT
OUT2(R-CH)
SP LEVEL
PROT
+5V(AC3-A)
GND(D3)
GND(D4)
CD  GND(D1)
POWER 
+5V(AC32A)
GND(D3) 
+12V(M) 
AMP
VF1 
–VP 
VF2 
+4.6V(D)
GND(D)
+12V(A) 
–15V
+5V(AC3-B)
RELAY4
RELAY3
OUT5
GND(A)
OUT4
OUT6
+B
13
OUT6
RELAY4
OUT4
GND(M)
+12V(M) 
GND(A)
FAN  SW
RELAY3
VOL  SW
PROT
AMP 
POSISTOR
16
VOL  SW
FAN  SW
+12V(M) 
GND(M)
GND(A)
H/P  SW
FAN  CONT
RELAY1
OUT1(L-CH) 
RELAY2
OUT3
OUT2(R-CH) 
SP  LEVEL
POSISTOR
PROT
AMP 
+B
+B
GND(M)
+12V(M) 
+12V(A) 
GND(A)
–15V(A) 
+4.6V(D)
GND(D)
+7.3V(CD) 
CD  GND(D2)
VGND
VOLTAGE
REGULATOR
QP91
2SD468  C   
VF2 
–VP 
VF1 
P40 1-B
TO  DISPLAY  PWB
FWD02 
+B
+B
+B
VGND
+B
–B
+B
+B
–B
+B
FM  SIGNAL 
TO  SPEAKER
AMP.2  PWB 
P44 1-F
P44 1-B
P42 1-G
P42 5-G
P42 9-G
TO  SPEAKER
  AMP.1  PWB
CFWX11
CFWV11
TO  POWER  PWB
CNS901
TO  POWER  PWB
CNS902
TO  POWER  PWB
FW901 
QP13
2SC2878  A 
RP47 5.6K
CP37 0.001 
CP38 0.001 
RP48 5.6K
QP14
2SC2878  A 
GND(A)
+B
1 2 3
13
12
11
10
9
8
7
6
5
4
3
1
16
7
6
5
8
9
4
3
1
10
11
12
13
14
15
2
3
5
11
10
4
1
1
2
3
4
1
2
3
WTP01
2
OUT5
2
POSISTOR
6
7
8
9
GND(D4) 
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
RELAY2
29
27
19
18
28
33
MAIN PWB - A ( 3 / 5 )
CD-C491H
– 36 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 22.
Figure 36 SCHEMATIC DIAGRAM (9/20)
P31 8-C
TO  MAIN  SECTION 
A
B
+
GND
(1/2)
(1/2)
(1/2)
(1/2)
(2/2)
(2/2)
(1/2)
(1/2)
(1/2)
(2/2)
(2/2)
(2/2)
LT  IN 
RT  IN 
GND 
–7V 
–7V 
–7V 
–7V 
–7V 
–7V 
–7V 
–7V 
–7V 
ICZ07
NJM4565M 
ICZ05
NJM4565M 
+7V 
+7V 
+7V 
+7V 
+7V 
+7V 
+7V 
+7V 
0X
1X
2X
3X
0Y
1Y
2Y
3Y
Y  COM
X  COM
INH
Vss
IN1
F5
IN2
F6
F7
F4
F5
F3
F2
VEE
F2
F1
F4
NC
IN1
IN2
F7
F6
CLK 
DI
F3
VDD
VCC+7V  
TEST2
VSS 
TEST1
S
+B
+B
–B
+B
+B
–B
–B
+B
+B
+B
–B
+B
–B
–B
–B
–B
+B
+B
–B
TUN  L
TAPE  L
AUX1  L
AUX2  L
TUN  R
TAPE  R
AUX1  R
AUX2  R
13
2 3 
5 6 
5 5 
6 6 
7 7 
RZ01
6.8K
2 3 
2 3 
2 3 
8 8 
4 4 4 
8 8 
4 4 
ICZ08
TC4052BF
DUAL 4CH ANALOG
MULTIPLEXER
ICZ03
NJM4565M 
ICZ02
NJM4565M 
ICZ04
NJM4565M 
ICZ06
NJM4565M 
CZ30
100/10
CZ32
100/10
ICZ01
LC7522
GRAPHIC EQUALIZER ELECTRIC VOLUME
5
4
3
2
1
6
7
8
9
RZ66
100
RZ67
100
RZ68
100
RZ65
100
RZ02
6.8K
CZ27 100/10
CZ26 100/10
CZ01
1/50
CZ02
1/50
CZ04
10/16
CZ03
10/16
CZ34 10/16
CZ38 10/16
CZ36 47/16
CZ40
47/16
4
3
2
1
RZ60
2.7K
CZ46
10/16
RZ59
2.7K
8
5
6
7
CZ47
10/16
RZ55 100K
RZ57
1K
CZ43
10/16
RZ63
100K
RZ64
100K
RZ56 100K
RZ58
1K
CZ42
10/16
ICZ09
NJM4565M
BUFFER AMP.
QZ03
KRC107M
QZ04
 KRC107M
RZ53 1K
RZ54
1K
CZ16(ML)
0.012
CZ12(ML)
0.0015
CZ08
270P
CZ15
0.012(ML)
CZ11
0.0015(ML)
CZ07
270P
CZ33
0.022
CZ31
0.022
CZ29
0.022
CZ45 47P
CZ44 47P
CZ35
0.022
CZ39
0.022
CZ37
0.022
CZ41
0.022
CZ10(ML)
0.027
CZ06
4700P
CZ09
0.027
CZ05
4700P
CZ28
0.022
CZ25
0.022
RZ40 330K
RZ42
680
RZ34 330K
RZ36 680
RZ28 270K
RZ30 680
RZ22 120K
RZ24 680
RZ16 120K
RZ14 1M
RZ18 680
RZ11 1M
RZ05 1M
RZ12 1M
RZ06 1M
RZ08 100K
RZ39 330K
RZ41 680
RZ33 330K
RZ35 680
RZ27 270K
RZ29 680
RZ21 120K
RZ23 680
RZ15 120K
RZ17
680
RZ07
100K
RZ43
1K
RZ09
100
RZ10
100
RZ45
1K
RZ47
1K
RZ49
1K
RZ51
1K
RZ46
1K
RZ48
1K
RZ50
1K
RZ52
1K
RZ62
10K
RZ61
10K
RZ93
1K
RZ94
1K
RZ87
470K
RZ88
470K
RZ8
470
RZ90 22K
RZ91 22K
RZ38 1M
RZ32 1M
RZ26 1M
RZ20 1M
RZ37
1M
RZ31 1M
RZ25 1M
RZ19 1M
RZ13 1M
CZ22
0.33/50
CZ21
0.33/50
RZ03
6.8K
CZ69
100P
RZ04
6.8K
CZ70
100P
CZ14(ML)
0.27
CZ18(ML)
0.18
CZ20(ML)
0.033 
CZ24(ML)
0.039 
CZ13
0.27(ML)
CZ17
0.18(ML)
CZ19
0.033(ML) 
CZ23
0.039(ML) 
RZ95
220 
RZ44
1K
CZ71
1/50
ZDZ03 MTZJ5R1A 
(2/2) 
(1/2) 
+
+
+
+
+
+7V 
+7V 
14
13
10
11 12
15
16
19 18 17
20
21
22
23
+
+
+
+
+
1
1
1
16
12
14
15
11
10
78
15
84
85
82
17
80
81
F1
24
25
26
27
28
ICZ02, ICZ04, ICZ06:
BUFFERAMP.
ICZ03, ICZ05, ICZ07:
BUFFER AMP.
ICZ09
NJM4565M
BUFFER AMP.
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