DOWNLOAD Sharp CD-C621H (serv.man15) Service Manual ↓ Size: 1.75 MB | Pages: 16 in PDF or view online for FREE

Model
CD-C621H (serv.man15)
Pages
16
Size
1.75 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Diagrams
File
cd-c621h-sm15.pdf
Date
PREV: Sharp CD-C621H (serv.man14) Service Manual

Sharp CD-C621H (serv.man15) Service Manual ▷ View online

CD-C621H
– 20 –
Figure 20 SCHEMATIC DIAGRAM (1/9)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
L107
2.2mH
R602    1.5K
R604    1.5K
R606    1.5K
R608    1.5K
R605    1.5K
R601    1.5K
C603
4.7/50
R603    1.5K
C605
4.7/50
R607    1.5K
C601
4.7/50
C627
22/25 
R625
22K 
R639
47K 
R615 2.7K
R101
1K
C108   0.001 
Q108
2SC3331 
R108
47K 
R110
4.7K
R109 4.7K
R112
10K 
R117
1K
C113
330P
R114
10K 
Q110
KRC104  M
Q111
KRC104  M
R111
10K 
R102
1K
C111
330P
C153
100/16
R155
150 
ZD601 
MTZJ2.4B
C614    0.22
C612    0.033 
R612 15K 
R610
10K 
C616 47
P
C619
0.022 
R623
5.6K 
C617
10/50 
IC601
M62439SP
AUDIO  PROCESSOR
10
11
12
13
14
15
16
17
18
19
20
9 
8 
7 
6 
5 
4 
3 
2 
1 
C613
0.22
C611    0.033 
C615
0.22
R609 2.2K
R621
10K 
R613
10K 
C621
0.1/50 
R611
330 
R115
4.7K
R104
2.2K
R106
3.3K
R105
3.3K
R103
2.2K
R113
10K 
C109
0.047 
Q109
2SA1318 
Q106
2SC2389 SE
Q104
2SC2389 SE
Q105
2SC2389 SE
Q103
2SC2389 SE
C102
0.001 
C101
0.001 
C105
180P
C106
180P
CNP102
CNP101
R172
220K
R171
220K
C114
330P
R118
1K
C112
330P
Q107
2SC3331 
R107 47K 
C107 0.001 
R619
2.2K
R620
2.2K
R616 2.7K
R622
10K 
C622
0.1/50 
R629
560(1/2W) 
R635
330 
R636
330 
C629
22/25 
R628 22K 
R617
2.2K
R618
2.2K
R614
10K 
C623
0.001 
C624
0.001 
Q602
2SC3331 
Q601
2SC3331 
C634
0.0047
C635
0.0047
R646  100K
R645  100K
C626
0.001 
C625
0.001 
Q604
2SC3331 
Q603
2SC3331 
C115
47/25 
C116
47/25 
R135
8.2K
C129
470P
C127 0.022 
C128 3.3/50
C131
R137 6.8K
C121
1/50
R123 3.9K
C119
560P
C117
0.033 
C130
C132
R138 6.8K
R132 33K 
R120
56
C120
560P
R126
5.6K
R119
56
C118
0.033 
R122
100K
R124 3.9K
C122
1/50
R125
5.6K
R121
100K
R131
33K 
7 
6 
5 
4 
3 
2 
1 
2
C156 3.3/50
C154 47/16 
C155 3.3/50
R173
5.6K
R169
680 
Q113
2SC3331 
R174
5.6K
R170
680 
R175
1K
Q114
2SC3331 
P22  1 - E
TO  POWER  SECTION
BI601 
P27  12 - C
TO  CD  SERVO  PWB 
CNP11 
1 
2 
3 
2 
TAPE1_R 
TAPE1_L 
A_GND 
A_GND 
M_GND 
ERASE 
TAPE2_R2
TAPE2_R1
TAPE2_L1
9.3V
8.6V
9.3V
0V
3.4V
3.4V
0V
0V
0V
0V
0.7V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0
CNS11 
+12V
+7V 
CD_GND 
L-CH
A_GND 
R-CH
–
–
+ 
Hich=T1 
+ 
112K
112K
0
+B
+B
+B
+B
CD_+B 
CD_GND
L 
A_GND 
A_12V 
A_GND 
M_GND 
3 
2 
1 
1 
3 
2 
CNS101
R-CH
L-CH
PLAYBACK  HEAD 
TAPE1 
CNS102
RECORD/
PLAYBACK  HEAD  
TAPE2 
R-CH
L-CH
ERASE 
HEAD
FM  SIGNAL 
RECORD  SIGNAL 
1 
6 
4 
5 
3 
2 
1 
6 
4 
5 
3 
2 
7 
6 
5 
4 
3 
1 
2 
1 
3 
2 
3
2 
1
7 
6 
5 
4 
3 
1 
2 
R134
68K 
R 
12
13
10
14
TAPE2_L2
PLAYBACK  SIGNAL 
18
19
20
21
22
23
24
R136 8.2K
Q109 ~ Q111: SWITCHING
Q103 ~ Q108: SWITCHING
MU
L108
2.2mH
– 21 –
CD-C621H
Figure 21 SCHEMATIC DIAGRAM (2/9)
7
8
9
10
11
12
CNP303
R640  47K 
R642
47K 
R602    1.5K
C604
4.7/50
R604    1.5K
C606
4.7/50
R606    1.5K
R608    1.5K
C602
4.7/50
C654
4.7/50
C652
47/16
C651
3.3/50
C653
4.7/50
C650
3.3/50
C620 10/50
ZD602 
MTZJ2.4B
R641
47K 
R653
220K 
R655
5.6K 
R651
2.2K 
R157
220K
L103
100
µ
H 
Q121
2SC3331 
R153
10K 
 
2.4B
R630
560
(1/2W) 
C628
0.22
C614    0.22
C612    0.033 
R612 15K 
R610
10K 
C616 4.7P
R623
5.6K 
IC601
M62439SP
AUDIO  PROCESSOR
11
12
13
14
15
16
17
18
19
20
R626    2.2K
R624
330 
C618 0.022
C631
390P
C632
390P
R632
22K 
R633
22K 
R634
22K 
R652 220K 
R652 2.2K 
R654 5.6K 
R656 1K 
L104
330
µ
H 
R168
12
R162
47K 
R164 4.7K
C150
0.0039
R167
100K
R166
47K 
R160
150
R172
220K
2W) 
R631
22K 
R638
220K
R637
220K
JK601 
9 
8 
7 
6 
5 
4 
3 
2 
1 
CNP701
R158
220 
Q124
2SA1015  GR
Q128
KTC3203  Y 
C151
0.027
(ML) 
C152
47/25 
Q126
KRC104  M
IC101
AN7345K
PLAYBACK  AND
RECORD/PLAYBACK  AMP.   
R141
56
R135
8.2K
C129   470P
R139   560 
C141
1/50
C127 0.022 
C128 3.3/50
C131 0.001 
C146 220/10
R146  10K 
C135   0.068 
C139    0.0033
R145
10K 
R137 6.8K
C121
1/50
3
.9K
9
P
C145 22/25 
C140
0.0033
C130
470P
C142 1/50
R140   560 
C132 0.001 
R138 6.8K
C134
22/25 
R132 33K 
20
P
R126
5.6K
C136
0.068 
R142 56
3
.9K
C122
1/50
R125
5.6K
R131
33K 
C133
22/25 
9 
8 
7 
6 
5 
4 
Q122
2SC3331 
C156 3.3/50
C154 47/16 
R156
220K
R174
5.6K
70
0 
R175
1K
2SC3331 
C630
0.022 
D601
1SS133
D602
1SS133
CNS701
P24  1 - D
TO  DISPLAY  PWB
P22  1 - E
TO  POWER  SECTION
7 
6 
8 
4 
5 
MAIN  PWB-A1(1/2)
SP_DET
SP_RLY
+5V 
VF2 
–VF 
VF1 
–15V
M_12V 
REC_R 
+5V
–15V
SPA_SIG
A_GND
M_12V
D_GND
REC/PLAY
T_BIAS
T_T1  T2
S_MUTE
HI_CUT
SP_RLY
SP_DET
SPN_P
VF2
-VP
VF1
DO
CLK 
CE
DI
0V
0.7V
0.7V
0V
0V
11.6V 
0V
0V
0V
0V
VIDEO
IN 
0V
Vcc 
ALC 
GND 
ALC 
RIPPLE
Nor/CrO2
+ 
 
+ 
–
–
Hich=CHROME 
56K 
2K
56K 
2K
0V
–B
–B
+B
DI
A_12V
D_GND
CLK
CE
DO
TUN_L
A_GND
TUN_R
TUN_SM
TUN_SM
–B
+B
–B
+B
+B
+B
–B
1 
2
P28  6 - C
TO TUNER PWB
D  SIGNAL 
CD  SIGNAL 
L-CH
R-CH
R154
10K 
REC_L 
R134
68K 
11.7V 
0V
11.6V 
3
17
15
16
10
9 
8 
7 
6 
5 
4 
3 
2 
1 
10
11
12
13
14
15
16
17
18
19
20
21
22
10
11
12
17
18
19
20
21
16
15
14
13
R136 8.2K
MUTING
MUTING
SWITCHING
BIAS
BIAS OSC
CNS303
Q650
2SC3331
Q651
2SC3331
CD-C621H
– 22 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 22 SCHEMATIC DIAGRAM (3/9)
F832
T500mA
L 250V
D821
1SS133
D820
1SS133
C909
2200/50 
R830
680 (2W)
C910
2200/50
C918 47/50
C936
0.1
(ML)
R934
4.7
D904
1SS133
D903
1SS133
D906
1SS133
Q907
2SC3331
Q906
2SC3331 
R928
1K
R930
10K
Q904
2SC3331
R936
56K
C938
47/50
R925
0.1(1W)
D833
1SS133
D832
1SS133
C828
0.1 (ML)
C827
0.1
(ML)
C833
0.1
(ML)
Q822
KIA7806P
3
1
Q821
AN78L05
1
Q824
KIA7812P
3 1 
R827 22K
C826
47/25
C829
3300/25
R825
33
R832 22K
C825 22/25
C824 0.047(ML)
IC901
STK4074B
POWER  AMP.
Q823
KTD2058  Y 
C904
10/50
R912
100(1/4W) 
C907
10/50
R916
1K
R917
56K 
C916
15P
C915
120P
C917
47/50
R918
680
R921
22K
R922
680
R923
56K
C924
15P
R924
1K
C923
120P
D803
1N4004S
D806
1N4004S 
D805
1N4004S 
D804
1N4004S 
ZD80
MTZJ
C804 47/50
Q801
KTA1274  
R806 22
K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Q905
2SC3331 
R931
10K
R929
1K
C921
0.022
R938 56K
R939 56K
C920
0.022
R926
0.1 (1W)
R803
47K
C802 100/35
ZD801
MTZJ6.2A
C803 47/50
R802 10
2 
C830 47/25
C821
0.047(ML)
R837 10K
C832
0.1(ML)
C831 47/25
2
C911
100/50
C912
100/50
R913
100 (1/4W)
Fusible
R966
22K
C905
220P
C902
220P
R903
100K
R901
100K
C903
1/50
C901
1/50
R904
68K
R902
68K
R905
1K
R907
1K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2
3
CNP8
R801
12K
NC
NC
A_GND 
D_GND 
M_12V 
–15V
SP_RLY
A_GND 
L 
R 
SP_DET
CD_GND
M_GND 
A_12V 
+5V 
–VF 
VF2 
VF1 
CD_+B 
(2Ch) 
+ 
+ 
–
–
–Vcc
–Vcc
+Vcc
Ch1 
Ch2 
Ch1 
Ch2 
Out 
Out 
+B1 
+B2 
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
–B
–B
U
AC  _
+
CNS806
P25  12 - E
TO  DISPLAY  PWB
MAIN  PWB-A1(2/2)
FM  SIGNAL 
P20  2 - D, P21  12 - G
TO  MAIN  SECTION 
4 
3 
2 
1 
D801
TS6B04GM
Fusible
VOLTAGE
REGULATO
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
C934
0.1
(ML)
– 23 –
CD-C621H
Figure 23 SCHEMATIC DIAGRAM (4/9)
7
8
9
10
11
12
L970
2.2mH
C971
100P
C970
100P
FW801
When Servicing, pay attention as the
area enclosed by this line (             ) is
directly connected with AC main voltage.
C956
100/50
C954
100/50
R945
6.8
C945
0.022
C947
0.022
R943
6.8
C941
0.022
C943
0.022
R950
6.8
C944
0.022
C946
0.022
R944
6.8
C940
0.022
C942
0.022
C953
0.001
C952
0.001
C950
0.001
C951 0.001
Q908
KRC107  M
C937
0.1
(ML)
C936
0.1
(ML)
D802
1SS133
JK970
HEADPHONES
CNP802
R946
330(1/2W)
R937
4.7
R934
4.7
R961 15K
D960
1SS133
C960 10/50
R963
1K
Q906
2SC3331 
RL901 
R936
56K
C938
47/50
WTM801 
D810
1N4004S
D813
1N4004S
D812
1N4004S
D811
1N4004S
C809
0.047(ML)
C924
15P
1K
923
20P
C813
100/50
C806
0.22
C805
0.22
D803
1N4004S
D806
1N4004S 
D805
1N4004S 
D804
1N4004S 
ZD802 
MTZJ30B 
C804 47/50
Q801
KTA1274  Y 
R806 2.2K
D807
1N4004S 
D808
1N4004S
D809
1N4004S
C812  100/50
C811  220/50
RL801 
C961
47/50
CNP804
R960
150
R967
150
14
15
D907
1SS133
R938 56K
R939 56K
R949
330(1/2W)
R941
4.7K
R942
4.7K
R952
68
C962
270P
D961
1SS133
D962
1SS133
R951
68
Q960
2SC3331
1
2
3
4
5
6
7
8
R803
47K
C802 100/35
ZD801
MTZJ6.2A
C803 47/50
R802 10
1
2
CNP801
T802
C801 0.0047
M
M901
FAN  MOTOR 
1
2
T801
POWER  TRANSFORMER
C810
470/35
Q803
AN78L05
1 
D816
1SS133
2 
3 
C814 10/16
R808
220
C815
1000/6.3
D815
1SS133
D818
1SS133
Q802
KRC107  M
CNP806
R962
68K
R801
12K
SO801
AC INPUT
F802
T4A L 250V
F803
T4A L 250V
1 
2 
3 
B2 
16  OHMS/CH
6  OHMS/CH 
+B
+B
+B
+B
+B
+B
+B
CNS804
1 
5 
SP_REAR_L-CH
SP_REAR_R-CH
SP_REAR_L-CH_GND
SP_REAR_R-CH_GND
SP_L-CH 
SP_R-CH 
SP_L-CH_GND 
SP_R-CH_GND 
CNS801
T.F 
F805
T2A L 250V
–B
B
POWER  TRANSFORMER 
3 
2 
1 
D_GND 
UN_SW_5V
AC  _RLY_CON 
+5V 
+B
CNS806
P25  12 - E
TO  DISPLAY  PWB
+B
AC  POWER
SUPPLY  CORD
AC
 
230V/50Hz  
POWER  PWB-A2
HEADPHONES  PWB-A5 
8
7
6
5
4
3
2
1
8
7
6
5
4
2
1
3
4 
3 
2 
1 
5
4
3
2
1
2
1
1
2
D801
TS6B04GM
CNS802
C808
0.22
C807
0.22
SO901
SPEAKER
TERMINAL
VOLTAGE
REGULATOR
C935
0.1
(ML)
C934
0.1
(ML)
L901
0.29
µ
H
L902
0.29
µ
H
L801
TO TAPE MECHANISM
CHASSIS
Page of 16
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Sharp CD-C621H (serv.man15) Service Manual ▷ Download

  • DOWNLOAD Sharp CD-C621H (serv.man15) Service Manual ↓ Size: 1.75 MB | Pages: 16 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp CD-C621H (serv.man15) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp CD-C621H (serv.man15) System. Information contained in Sharp CD-C621H (serv.man15) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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CD-C621H (serv.man15) Service Manuals

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CD-C621H (serv.man19) Adjustments Service Manual 6 114.43 KB
CD-C621H (serv.man18) Block diagrams Service Manual 3 106.5 KB
CD-C621H (serv.man4) Voltage tables Service Manual 1 16.83 KB
CD-C621H (serv.man5) Front cover Service Manual 1 102.91 KB
CD-C621H (serv.man6) Safety precautions Service Manual 1 80.65 KB
CD-C621H (serv.man7) Removal and installation of main parts Service Manual 1 37.79 KB
CD-C621H (serv.man8) Packing method Service Manual 1 40.14 KB
CD-C621H (serv.man9) Notes on the schematic diagram Service Manual 1 13.21 KB
CD-C621H (serv.man10) Names of parts Service Manual 2 81.46 KB
CD-C621H (serv.man11) Important servicing notes Service Manual 1 80.65 KB
CD-C621H (serv.man12) IC function tables Service Manual 7 61.42 KB
CD-C621H (serv.man13) Flourescent display segment details Service Manual 1 49.2 KB
CD-C621H (serv.man14) Disassembly Service Manual 3 128.2 KB
CD-C621H (serv.man16) Trouble shooting flow charts Service Manual 5 133.15 KB
CD-C621H (serv.man17) CD waveforms Service Manual 1 262.13 KB
CD-C621H (serv.man2) User Manual / Operation Manual 30 1.07 MB
CD-C621H part (from the ) User Manual / Operation Manual 1 77.32 KB
CD-C621H (serv.man3) Service Manual / Parts Guide 14 387.55 KB
CD-C621H (serv.man20) Service Manual / Specification 1 11.69 KB
CD-C621H (serv.man21) Correction of CD mechanism part numbers Service Manual / Technical Bulletin 1 43.38 KB

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