Casio CD-350S Service Manual Download Page 23

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SCHEMA

TIC DIAGRAMS

C105
233

C101
103

D102
IN414•

D101
IN414B

L101
375 4.5mm

C121
30P

L107
19.5T

C103
30P

C102
30P

C118
220U

C116
103

R131
100K

CT103
10P

VD103
SVC321

C109
223

R709
10K

R708
680

R994
3K9

R993
3K9

C713
4U7

C714
104

R992
27K

R996
10K

R995
10K

R991
27K

C711
104

Q703
9014

Q704
9014

Q910
9014

Q909
9014

Q119
9014

Q118
9014

Q404
9014

Q901
9015C

Q405
9014

Q401
9014

Q904
9014C

Q905
9014

Q402
KSA-928-A

Q403 258-118E/F

R179
20K

R178
20K

R706
330K

R707
10K

L901
100uH

L902
26UH

R406
470

R407
470

C720
104

R401
10K

R402
10K

R403 330 1/2W

D403
8V2

R408
10K

R404 2.2 1/2W

R405 10K

C401
220U

D718
IN414B

D211
IN4148

D110
IN4148

D401
IN4148

D402
IN4148

D112
IN4148

D109
IN4148

D210
IN4148

D209
IN4148

D108
IN4148

D901 IN4148

R177
10K

R176
10K

C988
102

C985
103

C981
1U

L.CH
GND
R.CH

CN103
3 PIN

TO POWER BD.

D702
10V

C716
47U

R710
1K

C108
223

C117
10U

C152
220U

R127
100K

C715
223

C712 223

L702
100uH

C141
309P(P)

T103
612R

VD105
SVC321

MW ANT
62:25

IC102
TA2104

C111
223

C106
180P

CT101
10P

C112
10P

C133

C114
150P

R185
3K3

R124
47K

C160
153M

C159
153M

C179
180P

T102
2070

R166 330 CF103 10.7MG80-A

R146
10K

R101
100K

C115
102

VD101
SVC201

Q116
9014

R147
220K

R173
330

VD102
SVC20I

C156 472M

L103

3T5 4.5mm

R104 100K

R184 33

R143 10

R135 1K

C155

407

R186

220K

R144

3.3K

C119103

L102
4T5 4.5mm

C130
1U

C139
102

C132
104

C127
0.1U

C128
104M

R123
10K

C153
104

C151
220U

Q120
?050

D113
5V1

CN101 CN101

CN102 2 PIN

C122
100U

C131
223

Q126
9014

Q125
9014

Q110
9014

R182
10K

R134
22K

C172
473K

R175
3K3

R133
22K

R116
4K7

C113
1P

C171
473K

R174
3K3

R183
10K

SW101

SW1-2

R122 10K

2 PIN

Q106
9014

R120
10K

R170
220

R121
100

CLASSIC

LCD DISPLAY

ROCK

POP

JAZZ

OVER

TIMER

OFF

SLEEP

TAPE

INTRO

REPEAT

RANDOM

AUX

REMO CON

MUTE

WER

TUNER

APE

MUTE IND

T MO

CD-REC

PU-INNER

DOOR-CLOSE

DOOR-OPEN

UCK/B1

CCE/B0

US 3

US 2

US 1

US 0

TRA

-CLOSE

TRA

-OPEN

OL-DM

OL-UP

PREAET 3

1 2

KHz 33

MHz

TRACK

MEMORY

REMAIN

STEREO

R116
100K

R115
15K

R703
1K

R711 1M

C717
104

R713

R717

R718

R160
1K

R715
10K

R716
10K

R982
4K7

R981
4K7

R960
22K

R936
1K

C944
103

Q903
5050C

C950
100U

R935
47K

C949
100U

C943 103

C948 47U

R978
120K

R704
10K

R959
22K
R958
22K
R957
22K
R956
22K
R955
22K

R914
10K

CLCK

GNDO

DFCT

VDDD

TEL2

TEL1

TGUL

TGUH2

TGUH1

TKIC

FMON

/TEST1

FMFB

/TEST

DMON

DMFC

DMPC

VDDX

/TEST2

DOUT

EMPH

OUT

BCK

CHCK

WDCK

COFS

SPD

GNDD

/HS

TESTX

GNDX

SUBD

SUBSYO

/RST

PFCK

BUCK

/CCE

BUS3

BUS2

BUS1

BUS0

GNDD

VDDD

SBOK

/TEST5

/TEST4

/TEST3

GNDA

/LO

VDA

/RO

GNDA

2VREL

SEL

FCS1

FKIC

FEL2

FEL1

FEI

TESH

TEOF

SBAD

DFCT

FMSO

FMSN

FMSP

THLD

TS2O

TS2N

TS2P

TS1N

TS1P

TS0

TEL1

TEL2

TSN

FEL2

FSO

FSN

COSC

OSC1

GND

VCC

SEL

DMEP

RF GND

FM RF

out

FM RFin

AM LO

W CUT

MIX OUT

V CC

AM IF IN

FM IF IN

GND

R-OUT

L-OUT

RF V

AM RFin

FM OSC

AM OSC

OSC OUT

ST LED

IF REQ

DET OUT

DET IN

LPF1

LPF2

DMEN

DMEO

RFN

/TEST5

TPO

MDI

LDO

FPI

FNI

TNO

TNI

TPI

FEL1

FHLD

FE1

FE0

FEN

FEP

DFIN

SBAD

RFRP

2VRO

VRO

RF1

RF0

RFRP

VREF

RFI

GNDA

DTSC2

MONIT

DTSC1

VDDA

PDCNT

PDO

TMAX

LPFN

LPFO

VCIF

C931
104

C952
100U

C953
100U

C954
100U

C929
104

FB901 16,9344MHz
T16X14X4mmX901

C987
103

C910
103

C911
103M

C915
33P

R930
1K

C983
39P

R934
10

L903
100uM

R968
100U

C918
100P

T903

T901

T902

C923
104

C959
47U

C951
47U

R902
390

R901
4K7

C963
1U

R915
470K

R905
2K2

R906
15K

C902
104

R997 10K

C965
10U

R977
4K7

C977
104

C969
470U/16V

C973
104M

C974 104M

C975 104M

C972
104M

C971
104M

R979
15K

R975 2K2

R908 2M2

R923 68K

R925 8K2

C926 104

C980
104

CN901

COM

B
E
F
D
C
A

FM-
FM+
GND
SLT
DM+
DM-

VR
PD
LG
LD

T-

F+
T+

F-

CN902

6 PIN 2mm

IC903
TA2092

R990
2.2K

C976
22U

C966
224M

C927
153M

R926
2K2

R976
47K

C984
473M

C964 4.7U

C914 682M

C925
393M

R962
68K

C917
473

R928
180K

JP931 47K

JP934 47K

R965 0

R964 0

R937 470

R963 0

R966 0

VR902
22K

C908
7P

VR901
5K

C930
473

C933
103

C952
47U

R904
103

R910
220K

C906
332M

C960
47U

C903
473

R903 2M2

R911 47K

R913 10K

C907 332M

C921 472M

C904 880P

R922 22K

R931 180K

C982 100P

R920 22K

R921 39K

R909
47K

R919
220K

R915
33K

R907
820K

R912 1K

C951

C945
104

C942
4U7

D902
5V5

C958
4U7

C956
100U

C989
1U

C941
470P

C939
100P

R954
22K

C937
100P

C940
470P

R970
2K7

R938
47K

R940
10K

C957
4U7

C955
220U

C990
1U

R939
10K

R969
2K7

R953
22K

R948
47K

R952
47K

A-1/P

A+1/P

A-GND

B+1/P

B-1-P

B-0/P

A-0/P

V+

IC904
BA-4510

R944
15K

R951
47K

R945
15K

R950
47K

R943
15K

C935
27P

R946
47K

R942
15K

C934
27P

R949
22K

R947
22K

C936
100P

R941
1K8

C947
470U/15V

10U

R741
47K

MW STEP

FM STEP

MUTE

CN702

LAMP

VCC1

TUNER

TAPE

GND

VCC2

+SV

R742
47K

R743
47K

R744
47K

CD DOOR SWITCH

LAMP1-LAMP4

C402
220U

R413
10K

D404
8V2

D716
IN4148

D715
IN4148

D710
IN4148

D703
IN4148

D704
IN4148

D706
IN4148

D711
IN4148

D712
IN4148

D713
IN4148

D714
IN4148

R410
470 1/4W

R409
S 1/2W

Q406
2SD-2159

Q408
9015

R719
1K

R740
10K

R705
3K3

R738
100

R737
100

R180
1K

R181
470K

C178
103

Q109
9018H

Q102
9015

Q907
9014

Q908
9014

C170
10P

C104
103

C120
103

C702
104

C708
1000U

C153
104

C708
100U

C705
473

C986
104

C707
4U7

R161 4K7

R159
10K

CN703
2 PIN

R980 4K7

R739 560

R250
4K7

C718
104

C701
104

C710
220P

C703 20P

C704 20P

C709
220P

CF701
75KHz

C161
104

D111
IN414B

D701
ISS133

R132 3.3K

ANT

CF101

10.7MA11C

CF102

450KHz

KR6

KR5

KR4

BAND

POWER

SW709

SW706

REMAIN

MEMORY

M-UP/PEPEAT

UP/F-SKIP

DW/R-SKIP

STOP

PLAY/PAUSE

RAMDOM

SW701

SW704

SW710

SW703

SW707

SW705

SW702

SW708

TC9284BF

IC901

IC902

TA2065F

IC701

TC9314F-043

10K

C938
100P

C901
470P

Summary of Contents for CD-350S

Page 1: ...SYSTEM CD 350S AUG 2001 Model B USA Model C EU Model G Argentina Model E Other Countries POWER BAND PLAY REC REW FWO EJECT PAUSE STOP MEMORY REPEAT PRESET RANDOM REMAIN MULTI FUNCTION DISPLAY COMPACT DIGITAL AUDIO ...

Page 2: ...CONTENTS SPECIFICATIONS 1 BLOCK DIAGRAMS 2 ADJUSTMENTS 4 CASSETTE MECHANISM 4 TUNER 6 CD TROUBLESHOOTING 8 PCB LAYOUT 18 WIRING DIAGRAMS 20 SCHEMATIC DIAGRAMS 21 EXPLODED VIEWS 23 PARTS LIST 26 ...

Page 3: ...ADIO Frequency range AM 530 1710 kHz FM 87 5 108 MHz Antenna AM Ferrite bar antenna FM Telescopic antenna TAPE Tape speed 4 75 cm sec Track format 4 track stereo Wow and flutter 0 2 WRMS S N ratio 35 dB GENERAL Power consumption AC 18 W Output power 1 3 W 1 3 W 10 THD Speaker 102 mm 8 ohms 2 Dimensions 395 175 175 mm WMD Weight 3 6 kg with batteries Accessories AC power cord User s guide Specifica...

Page 4: ...OWER ON OFF 12V Q402 REGULATOR Q903 5V DIGITAL SIGNAL PROCESSOR IC901 TC9284BF U COM IC701 TC9314F 043 LCD DISPLAY X901 16 9344MHz CF701 75KHz TO AUDIO AMP BLOCK KEY CONTROL DOOR SWITCH SLT SWITCH DISC MOTOR SLED MOTOR DISC CN901 CN702 CN902 PICKUP MUTE LAMP CD VCC1 TUNER TAPE GND VCC2 TO AUDIO AMP BLOCK 5V LAMP CONTROL Q406 MOTOR AND ACTUATOR DRIVER IC903 SIGNAL SERVO AMP IC902 LASER DRIVER Q901 ...

Page 5: ... POWER AMP IC301 LA4227 R SPEAKER PHONES REGULATOR 5V Q207 REC PLAY SWITCH TAPE MUTE Q201 Q202 FUNCTION SWITCH SW301 RECTIFIER D1101 D1104 IN4001 POWER TRANSFORMER BATTERY UM 1X8 DC 12V AC SOCKET SWITCH CN202 CN203 LAMP MUTE TU R L CH VCC1 CD TUNER TAPE GND VCC2 5V R P R CH R P HEAD L CH CN201 ...

Page 6: ...oistened with denatured alcohol Grease stains may cause trouble Never use a magnetized screwdriver for head adjustment Equipment Required Oscilloscope Frequency counter Screwdriver Plastic type Test tapes MTT 113C TEAAC or TCC 111N TEAC Head Azimuth Adjustment Figures 1 and 2 Set Headphone jack Note Mode Switch is X Y position B A Step 1 Setting Play the test tape 8 KHz Position MTT 113C Adjust Az...

Page 7: ...ent Figures 3 and 4 Step 1 Setting Play the test tape MTT 111N Adjust Motor screw Figure 4 Result Frequency counter reading should be 3000 Hz 2940 3060 Figure 3 Frequency Counter SET Headphone Jack 3000 Figure 4 Motor Screw ...

Page 8: ...m MW Alignment Figures 5 AM IF Alignment Figures 5 Step Alignment IF calibration Tuning dial setting 999 KHz 1000 KHz Remarks Obtain sine wave and maximum amplitude Frequency of signal generator 450 KHz Adjustment T102 Max Max Step 1 2 1 2 3 Alignment Tuning range calibration Adjustment of tracking Tuning dial setting Low end High end 600 KHz 612 KHz 1400 KHz 1404 KHz Remarks Confirm 1 4 V 0 05 V ...

Page 9: ...ange calibration Adjustment of tracking Tuning dial setting Low end High end 90 1 MHz 106 1 MHz Remarks Confirm 20 V 0 1 V Confirm 6 5 V 0 2 V Obtain sine wave and maximum amplitude Frequency of signal generator 87 5 MHz 108 MHz 90 1 MHz 106 1 MHz Adjustment L103 L102 CT101 Repeat the above adjustment FM SG GND FM ANT R2 R1 FM GND Output meter Oscilloscope Headphone jack Dummy load 32 ohm R1 Outpu...

Page 10: ...00 display on LCD Is total track number displayed Is the audio signal present at the output terminals Can a selected music be searched smoothly No See page9 No No No 1 2 3 4 Yes Yes Yes Yes Load a disc and close the CD door Press button Press or button OK See page17 See page16 See page9 ...

Page 11: ...ck pulse appear at pin 78 79 of IC901 No l Check Q903 l Check pins 26 and 58 59 77 of IC901 No l Check X901 l Check circuit around X901 and IC901 Yes Yes l Check soldering and circuit around IC901 l Check LCD l Check wire connector 2 How long does it take until 00 00 00 is displayed after the CD door has closed Less than 16 sec More than 16 sec A B See page10 See page13 1 0 Vp p 1 5 Vp p Figure 7 ...

Page 12: ... l Check wire connector from pickup l Check circuit around pins 1 5 and 46 48 of IC902 l Check circuit around pins 30 42 of IC902 l Check circuit around IC901 IC902 and IC903 See page12 See page11 Figure 8 Figure 9 1 5 V 1 5 V 2 A Note Open the CD door and set the door switch for on position Check the radiation power with an optical power meter or by watching the radiation through the lens or the ...

Page 13: ...n in figure 10 No l Check Q901 No l Check circuit around IC901 and IC902 SEL Yes Is waveform at base of Q901 like that shown in figure 11 No l Check circuit around pins 21 and 45 of IC901 Yes Yes l Check contact 15P flat cable l Check pickup GND GND 2 5 V 0 V 3 V 0 V Figure 10 Figure 11 ...

Page 14: ...und Q403 No l Check circuit around pin 16 FSO of IC902 l IC902 is defective Yes Is waveform at pins 21 to 23 of IC903 like that shown in figure 13 Yes l Check circuit around pins 20 23 of IC903 Yes Yes l Check 15P flat cable l Check focus coil of pickup DC resistance 8 Ω Vref 0 2 V Vref 2 5 V Figure 12 Figure 13 ...

Page 15: ...figure 14 Is waveform at pins 14 to 16 of IC903 like that shown in figure 15 l Check circuit around pin 24 of IC902 l Check circuit around pins 14 to 16 of IC903 l IC902 is defective Yes Yes l Check sled motor DC resistance 12 Ω l Check wire connector B1 See page14 Vref 4 V Vref 4 V Figure 14 Figure 15 ...

Page 16: ... motor operate normally B3 Yes Is waveform at pin 26 FMSO of IC902 like that shown in figure 17 No Is waveform at pins 9 to 11 of IC903 like that shown in figure 18 No No Yes Yes l Check disc motor DC resistance 12 Ω l Check wire connector l Check operation of gear l Check circuit around pin 26 FMSO of IC902 l Check circuit around pins 9 and 11 of IC903 l IC902 is defective See page15 GND 5 V Vref...

Page 17: ...of IC902 l Check circuit around pins 1 5 of IC903 l IC902 is defective l Check flat cable l Check tracking coil of pickup DC resistance 8Ω No No No Is waveform at pin 35 TSO of IC902 like that shown in figure 20 Yes B3 Is waveform at pin 1 RFO of IC902 like that shown in figure 19 No l Check circuit around pins 1 5 and 41 44 of IC902 1 5 Figure 19 Figure 20 0 1 1 5 Figure 21 Figure 22 ...

Page 18: ... 16 3 No present at R939 R ch and R940 L ch audio signal 3 Does audio signal appear at pins 1 and 8 of IC904 No Yes l Check pins 1 7 of IC901 l Check circuit around pins 1 8 of IC904 ...

Page 19: ... that shown in figure 25 Yes l Check R SKIP and F SKIP l Check wire connector CN902 l Check pins 29 and 36 37 of IC701 l Check voltage of IC903 l Check flat cable Press the play key PAUSE l Check 100mV PP waveform at pins 3 and 8 of CN901 l Check pins 4 and 5 of IC901 l Check pickup Yes l Check gear and mechanism of sled motor l Check lens of pickup Press the or key Figure 23 Figure 24 Figure 25 V...

Page 20: ...2 R980 R981 D504 C952 C951 C950 IC901 D503 L701 C986 GND Y Y X X B A CF701 C702 C701 FM DSC D701 CN103 CN706 RANDOM P L A Y P A U S E K BAND C705 Q118 STOP A C128 C132 R180 Q116 R175 R174 Q102 IC102 C155 C131 C715 R996 R408 C716 R404 R995 R160 Q910 Q403 Q404 Q405 R406 R709 C988 D902 C941 Q903 C918 C959 R961 R962 C917 IC902 C901 JP944 JP951 JP934 JP931 R990 R966 R963 R965 C902 C960 C914 C964 C926 C...

Page 21: ... D203 C225 C244 R234 D214 R232 R254 Q205 C226 R221 R247 C236 C221 C237 R222 C234 R227 R226 R225 D207 JP301 R246 R412 C403 D202 C212 R411 DC FUSE1101 T 1 6A L250V C1105 C1103 D1103 D1101 C1104 C1106 D1104 D1102 GND AC IN AC IN LAMP SW C804 R801 R249 E B C Q801 R206 R802 R252 C216 C803 R219 C205 JP310 R220 C204 R211 C207 C231 R218 C214 C239 R212 C802 C233 C213 R217 IC201 C211 C215 R216 C209 Q202 Q20...

Page 22: ...3 CN101 JP4 JP3 JP105 D718 R176 R179 C711 C717 R178 R738 JP173 JP5 JP706 R708 C713 Q703 Q402 Q907 R403 R161 R410 R939 R940 R413 R250 C169 Q401 Q408 Q908 R955 R956 R958 R960 R959 R712 R979 R976 C977 D705 C719 C972 DM DM SLT GND FM FM F F LD PD A D E COM T T LG UR C F B C975 C984 R997 D711 JP972 JP912 JP911 JP915 JP910 JP708 JP919 JP920 JP709 D715 D716 R742 C969 U D D714 REPEAT MEMORY F SKIP R SKIP ...

Page 23: ...D SBOK TEST5 TEST4 TEST3 GNDA LO LO VDA RO RO GNDA 2VREL SEL FCS1 FKIC FEL2 FEL1 FEI TESH TEOF SBAD DFCT FMSO FMSN FMSP THLD TS2O TS2N TS2P TS1N TS1P TS0 TEL1 TEL2 TSN FEL2 FSO FSN COSC OSC1 GND VCC SEL DMEP RF GND FM RFout FM RFin AM LOW CUT MIX OUT V CC AM IF IN FM IF IN GND AGC QUAD R OUT L OUT RF V CC AM RFin FM OSC AM OSC OSC OUT ST LED IF REQ DET OUT DET IN LPF1 LPF2 DMEN DMEO RFN TEST5 TPO ...

Page 24: ...307 500P R303 560 R307 2K2 R302 4K7 R308 2K2 R301 4K7 R311 2K2 R312 10K R305 150 R306 150 C320 10U 16 R240 2K2 C232 220U C214 100U C204 222M C215 223 D202 IN4148 D213 IN4148 D206 6V8 DC 12V DC AC 1 3 2 1 3 2 1 3 2 D210 IN4148 D302 IN4148 D212 IN4148 D209 IN4148 D204 IN4148 D203 IN4148 D201 IN4148 D207 6V8 C234 100U C403 470U C1102 222 C1104 104 C1106 104 LSW D1102 IN4001 D1104 IN4001 C1103 104 R31...

Page 25: ... 23 27 6 1 5 26 25 9 2 28 3 10 13 11 12 EXPLODED VIEWS ...

Page 26: ... 24 17 14 18 16 4 16 5 16 6 16 1 16 2 16 3 14 4 15 7 ...

Page 27: ... 25 21 21 21 22 19 20 23 24 8 21 ...

Page 28: ...and specifications are subject to change without pointer notice 2 As for spare parts order and supply refer to the GUIDEBOOK for Spare parts Supply published separately 3 The numbers in item column correspond to the same numbers in drawing ...

Page 29: ... 011 0 00 0 1 0 0 A 5 9482 1375 PCB ASSY MAIN 2478 012 0 00 0 0 1 0 A 5 9482 1376 PCB ASSY MAIN 2478 013 0 00 0 0 0 1 A 6 9482 1377 PCB ASSY TUNER 2478 004 0 00 1 0 0 0 B 6 9482 1378 PCB ASSY TUNER 2478 001 0 00 0 1 0 0 B 6 9482 1379 PCB ASSY TUNER 2478 002 0 00 0 0 1 0 B 6 9482 1380 PCB ASSY TUNER 2478 003 0 00 0 0 0 1 B 7 9482 1381 UNIT FRONT CABINET 2478 080 0 01 1 1 1 1 C 8 9482 1382 UNIT TOP ...

Page 30: ... MECHA 500 991110 000 1 1 1 1 X 23 9482 1405 CD DOOR LOCK CD7288 872 846000 000 1 1 1 1 C 24 9482 1406 KNOB CD DOOR 572 850052 000 1 1 1 1 X BACK CABINET UNIT 25 9482 1407 ROD ANTENNA TA 26295 CD7 155 848026 295 1 1 1 1 C 26 9482 1408 HANDLE 582 705052 000 1 1 1 1 X 27 9482 1409 BACK CABINET 582 9020S3 080 1 1 1 1 C ACCESSORY 28 9482 1315 AC CORD SPT 2 18 2C 151 117117 302 1 0 0 0 C 28 9482 1316 A...

Page 31: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan ...

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