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Aiwa LCX-257, Service Manual Digest

The Aiwa LCX-257 Service Manual Digest is an essential manual for users of this remarkable product. Easily downloadable and completely free, it offers comprehensive guidance on operating and maintaining the LCX-257. Obtain your copy now from manualshive.com, ensuring optimal performance and enjoyment of this cutting-edge audio system.

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5

REF. NO

PART NO.

KANRI

DESCRIPTION

NO.

REF. NO

PART NO.

KANRI

DESCRIPTION

NO.

ELECTRICAL MAIN PARTS LIST

IC

          87-A21-368-010    IC,NJM7812FA(A)
          87-A21-365-010    IC,NJM7808FA
          87-002-849-080    IC,NJM78L06A
          87-A21-443-040    C-IC,M62495AFP
          87-A21-020-010    IC,TA8223K

          87-A21-431-010    IC,BA4560N
          87-A20-446-010    C-IC,LA9241ML
          87-A20-459-010    C-IC,LC78622ED
          87-A21-093-010    IC,LA6541D
          8A-CLC-608-010    C-IC,LC877248A-5R02

          87-070-127-110    IC,LC72131 D
          87-A20-913-010    IC,LA1837NL
          87-A21-482-010    IC,RPM6938-H4

TRANSISTOR

          89-213-703-010    TR,2SB1370F
          87-026-610-080    TR,KTC3198GR
          89-406-555-080    TR,2SD655 (0.5W)
          89-109-521-080    TR,2SA952 (0.6W)
          89-109-332-380    TR,2SA933RS

          89-113-187-080    TR,2SA1318TU
          87-026-239-080    TR,DTC114TK (0.2W)
          87-026-213-080    CHIP-TR,DTC114YK
          89-112-965-080    TR,2SA1296 (0.75W)
          87-026-291-080    TR,DTC124XS

          87-026-263-080    C-TR,RN1410
          87-026-237-080    CHIP-TR,DTC124XK
          89-320-011-080    TR,2SC2001 (15W)
          87-A30-072-080    C-TR,RT1P 144C
          87-026-215-080    TR,DTC114YS

          89-327-143-080    TR,2SC2714 (0.1W)
          89-505-434-540    C-FET,2SK543(4/5)

<EXCEPT HRJS,HRD,HRL,HCL>

          87-A30-086-070    C-TR,CSD1306E

<EXCEPT HRJS,HRD,HRL,HCL>

          87-A30-074-080    C-TR,RT1P 141C

<EXCEPT HRJS,HRD,HRL,HCL>

DIODE

          87-070-178-090    DIODE,1N5402-BD54
          87-020-465-080    DIODE,1SS133 (110MA)
          87-017-092-080    ZENER,HZS5C2
          87-A40-189-080    DIODE,1SR139-400
          87-070-345-080    DIODE,IN4148

          87-017-149-080    ZENER,HZS6A2L
          87-A40-270-080    C-DIODE,MC2838

<EXCEPT HRJS,HRD,HRL,HCL>

MAIN C.B

 C109     87-016-440-090    CAP,E 4700-35V SME
 C111     87-010-196-080    CHIP CAPACITOR,0.1-25
 C112     87-010-401-080    CAP, ELECT 1-50V
 C113     87-010-401-080    CAP, ELECT 1-50V
 C114     87-010-101-080    CAP, ELECT 220-16

 C115     87-010-101-080    CAP, ELECT 220-16
 C117     87-010-403-080    CAP, ELECT 3.3-50V
 C118     87-010-101-080    CAP, ELECT 220-16
 C119     87-010-196-080    CHIP CAPACITOR,0.1-25
 C120     87-010-263-080    CAP, ELECT 100-10V

 C201     87-010-248-080    CAP, ELECT 220-10V
 C203     87-010-248-080    CAP, ELECT 220-10V
 C204     87-010-197-080    CAP, CHIP 0.01 DM
 C207     87-010-196-080    C-CAP,S 0.1-25 F

<EXCEPT HRJS,HRD,HRL,HCL>

 C208     87-010-196-080    C-CAP,S 0.1-25 F

<EXCEPT HRJS,HRD,HRL,HCL>

 C213     87-010-196-080    CHIP CAPACITOR,0.1-25
 C214     87-010-196-080    CHIP CAPACITOR,0.1-25
 C223     87-A11-126-080    CAP,TC U 3300P-50 K B

<HRJS,HRD,HRL,HCL>

 C224     87-A11-126-080    CAP,TC U 3300P-50 K B

<HRJS,HRD,HRL,HCL>

 C225     87-010-401-080    CAP, ELECT 1-50V

 C226     87-010-401-080    CAP, ELECT 1-50V
 C227     87-018-208-080    CAP 0.047-50F
 C228     87-018-208-080    CAP 0.047-50F
 C229     87-018-132-080    CAP, CER 2200P-16V
 C230     87-018-132-080    CAP, CER 2200P-16V

 C231     87-010-406-080    CAP, ELECT 22-50
 C232     87-010-406-080    CAP, ELECT 22-50
 C233     87-010-260-080    CAP, ELECT 47-25V
 C234     87-010-404-080    CAP, ELECT 4.7-50V
 C235     87-010-112-080    CAP, ELECT 100-16V

 C236     87-010-112-080    CAP, ELECT 100-16V
 C237     87-010-237-080    CAP, ELECT 1000-16V
 C238     87-010-237-080    CAP, ELECT 1000-16V
 C241     87-018-209-080    CAP, CER 0.1-50V
 C243     87-010-387-080    CAP,E 470-25 SME

 C244     87-010-248-080    CAP, ELECT 220-10V
 C247     87-010-318-080    C-CAP,S 47P-50 CH

<EXCEPT HRJS,HRD,HRL,HCL>

 C248     87-010-318-080    C-CAP,S 47P-50 CH

<EXCEPT HRJS,HRD,HRL,HCL>

 C250     87-010-401-080    CAP, ELECT 1-50V
 C251     87-010-401-080    CAP, ELECT 1-50V

 C255     87-010-401-080    CAP, ELECT 1-50V
 C256     87-010-401-080    CAP, ELECT 1-50V
 C257     87-010-401-080    CAP, ELECT 1-50V
 C258     87-010-401-080    CAP, ELECT 1-50V
 C259     87-010-401-080    CAP, ELECT 1-50V

 C260     87-010-401-080    CAP, ELECT 1-50V
 C270     87-010-322-080    C-CAP,S 100P-50 CH
 C271     87-010-322-080    C-CAP,S 100P-50 CH
 C301     87-010-322-080    C-CAP,S 100P-50 CH
 C302     87-010-401-080    CAP, ELECT 1-50V

 C305     87-010-374-080    CAP, ELECT 47-10V
 C307     87-010-405-080    CAP, ELECT 10-50V
 C308     87-010-248-080    CAP, ELECT 220-10V
 C309     87-010-405-080    CAP, ELECT 10-50V
 C310     87-010-322-080    C-CAP,S 100P-50 CH

 C312     87-010-374-080    CAP, ELECT 47-10V
 C313     87-010-401-080    CAP, ELECT 1-50V
 C315     87-010-426-080    C-CAP,S 0.012-25 B
 C318     87-010-426-080    C-CAP,S 0.012-25 B
 C319     87-A11-098-080    CAP,270PF-50 CH

 C320     87-010-197-080    CAP, CHIP 0.01 DM
 C322     87-010-248-080    CAP, ELECT 220-10V
 C324     87-010-186-080    CAP,CHIP 4700P
 C327     87-010-405-080    CAP, ELECT 10-50V
 C328     87-010-405-080    CAP, ELECT 10-50V

 C329     87-010-178-080    CHIP CAP 1000P
 C330     87-010-178-080    CHIP CAP 1000P
 C331     87-010-178-080    CHIP CAP 1000P
 C332     87-010-263-080    CAP, ELECT 100-10V
 C334     87-010-401-080    CAP, ELECT 1-50V

 C335     87-010-260-080    CAP, ELECT 47-25V
 C341     87-010-197-080    CAP, CHIP 0.01 DM
 C701     87-010-381-080    CAP, ELECT 330-16V
 C702     87-010-404-080    CAP, ELECT 4.7-50V
 C703     87-012-286-080    CAP, U 0.01-25

 C704     87-012-286-080    CAP, U 0.01-25
 C705     87-A10-592-080    C-CAP,S 0.015-50 J B

<HRJS,HRD,HRL,HCL>

 C706     87-A10-592-080    C-CAP,S 0.015-50 J B

<HRJS,HRD,HRL,HCL>

 C709     87-012-195-080    C-CAP,U 100P-50CH
 C711     87-010-260-080    CAP, ELECT 47-25V

Summary of Contents for LCX-257

Page 1: ...RVICE MANUAL D A T A BASIC TAPE MECHANISM TN 21ZSC 2003 BASIC CD MECHANISM DA11T3C COMPACT DISC STEREO SYSTEM LCX 257 S M Code No 09 006 346 6N1 HR S L D EZ S L D K S L D HS L HC L MODEL CODE 86HR8 0117 B ...

Page 2: ...Y LED 21 22 SCHEMATIC DIAGRAM 4 MICON 23 24 WIRING 5 CD MOTOR 25 26 SCHEMATIC DIAGRAM 5 CD 27 28 ELECTRICAL ADJUSTMENT 1 HC HR 29 30 ELECTRICAL ADJUSTMENT 2 HS K EZ 31 32 VOLTAGE CHART 33 35 FL AIW4214 30PIN ACJ 11 GRID ASSIGNMENT ANODE CONNECTION 36 TRANSISTOR ILLUSTRATION 36 IC BLOCK DIAGRAM 37 IC DESCRIPTION 38 43 MECHANICAL PARTS LIST 1 1 44 MECHANICAL EXPLODED VIEW 1 1 45 46 TAPE MECHANISM EX...

Page 3: ...3 SPECIFICATIONS HC HR MODELS HS K EZ MODELS Design and specifications are subject to change without notice Design and specifications are subject to change without notice ...

Page 4: ...fiés peut entraîner une dangereuse exposition aux radiations ADVARSEL Usynlig laserståling ved åbning når sikkerhedsafbrydereer ude af funktion Undgå udsættelse for stråling This Compact Disc player is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT label is located on the rear exterior This set employs laser Therefore be sure to follow carefully the instructions below when servici...

Page 5: ...0P 50 K B HRJS HRD HRL HCL C225 87 010 401 080 CAP ELECT 1 50V C226 87 010 401 080 CAP ELECT 1 50V C227 87 018 208 080 CAP 0 047 50F C228 87 018 208 080 CAP 0 047 50F C229 87 018 132 080 CAP CER 2200P 16V C230 87 018 132 080 CAP CER 2200P 16V C231 87 010 406 080 CAP ELECT 22 50 C232 87 010 406 080 CAP ELECT 22 50 C233 87 010 260 080 CAP ELECT 47 25V C234 87 010 404 080 CAP ELECT 4 7 50V C235 87 01...

Page 6: ...1 50V C779 87 010 829 080 CAP U 0 047 16 C780 87 010 196 080 CHIP CAPACITOR 0 1 25 C781 87 010 405 080 CAP ELECT 10 50V C782 87 010 405 080 CAP ELECT 10 50V C783 87 012 286 080 CAP U 0 01 25 C784 87 012 286 080 CAP U 0 01 25 C785 87 010 402 080 CAP ELECT 2 2 50V EXCEPT HRJS HRD HRL HCL C785 87 016 279 080 CAP E 1 50 BP HRJS HRD HRL HCL C786 87 010 402 080 CAP ELECT 2 2 50V EXCEPT HRJS HRD HRL HCL ...

Page 7: ... 50V C457 87 010 316 080 C CAP S 33P 50 CH C458 87 010 316 080 C CAP S 33P 50 CH C459 87 010 263 080 CAP ELECT 100 10V C460 87 015 819 080 CAPACITOR 0 01 C461 87 010 197 080 CAP CHIP 0 01 DM C462 87 010 221 080 CAP ELECT 470 10V C463 87 A11 144 080 CAP TC U 0 1 50 K B C465 87 010 404 080 CAP ELECT 4 7 50V C466 87 010 196 080 CHIP CAPACITOR 0 1 25 C467 87 010 263 080 CAP ELECT 100 10V C469 87 012 1...

Page 8: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 10 9 WIRING 1 MAIN HC HR ...

Page 9: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 12 11 WIRING 2 MAIN HS K EZ ...

Page 10: ...14 13 SCHEMATIC DIAGRAM 1 MAIN 1 2 TAPE DECK TN 21ZSC 2003 K EZ HS K EZ HS HC HR HC HR K EZ HS 3300p nm C223 224 S101 AC VOLTAGE 230V 50Hz K EZ 220V 60Hz HS K EZ HS MODELS HC HR MODELS L202 JW J203 JW ...

Page 11: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 16 15 WIRING 3 PT 230V 50Hz K EZ 220V 60Hz HS ...

Page 12: ...18 17 SCHEMATIC DIAGRAM 2 TUNER HC HR ...

Page 13: ...20 19 SCHEMATIC DIAGRAM 3 TUNER HS K EZ L981 1 3 MW TRACKING ADJ L981 3 3 MW VT ADJ L941 TC942 LW TRACKING ADJ L942 LW VT ADJ ...

Page 14: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 22 21 WIRING 4 MICON KEY LED 30 31 1 100 80 81 50 51 ...

Page 15: ...24 23 SCHEMATIC DIAGRAM 4 MICON ...

Page 16: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K 26 25 WIRING 5 CD MOTOR MOTOR C B PIN3 M3 SW1 _ M2 M3 SPINDLE MOTOR SW1 INSIDE LIMIT SW M2 SLED MOTOR _ ...

Page 17: ...28 27 SCHEMATIC DIAGRAM 5 CD ...

Page 18: ...IC404 SFR430 6 MICON C B L301 L981 3 2 RED YELLOW IC721 IC772 L772 L771 5 1 4 J201 PHONS MAIN C B ELECTRICAL ADJUSTMENT 1 HC HR 30 29 ...

Page 19: ...32 31 IC404 SFR430 8 MICON C B L301 L981 L942 TC942 L941 5 4 RED YELLOW IC771 7 3 J201 PHONES MAIN C B 1 2 6 L772 L771 ELECTRICAL ADJUSTMENT 2 HS K EZ ...

Page 20: ...VOLTAGE CHART 34 33 ...

Page 21: ...35 ...

Page 22: ...CONNECTION ANODE CONNECTION GRID ASSIGNMENT TRANSISTOR ILLUSTRATION 2SA1296 KTC3198 DTC114YS 2SC2714 DTC114TK RT1P141C PT1P144C DTC124XK DTC114YK RN1410 DTC124XS 2SA933 2SC2001 2SD655 2SA952 2SA1318 B E C E C B E C B E C B D S G 2SK543 E C B 2SB1370F ...

Page 23: ...37 IC BLOCK DIAGRAM IC M62495AFP IC LA1837NL IC LA6541D IC LC72131D IC BA4560N ...

Page 24: ...ed GND External ceramics oscillator 5 76 MHz is connected to this pin input External ceramics oscillator 5 76 MHz is connected to this pin output Power supply positive polarity terminal Jog dial detection A Jog dial detection B Tact key AD input detection RDS signal level input AD input CT DECK power supply detection RDS data input LCD back light initial setting input 8Hz clock reference frequency...

Page 25: ...ut No 28 5 CD door detection Sub code Q reading stand by for CD LSI communication RF level detection input LCD common output No 4 1 CD power supply control Sub code Q input for CD LSI communication Power supply terminal GND Input output selector control for CD LSI communication Serial data output for CD LSI communication Serial clock output for CD LSI communication Control output 1 of LCD back lig...

Page 26: ...tants are connected between the TD and VR pins Tracking phase compensation setting pin Tracking jump signal kick pulse amplitude setting pin Tracking control signal output pin Focusing control signal output pin Pin to which external focusing phase compensation constants are connected between the FD and FA pins Pin to which external focusing phase compensation constants are connected between the FD...

Page 27: ...the DSP Digital system GND Output pin to which external focus search smoothing capacitor is connected Tracking Balance Control EF balance variable range setting pin No connection Disc defect detector output pin Reference clock input pin 4 23 MHz of the DSP is input Microprocessor command clock input pin Microprocessor command data input pin Microprocessor command chip enable input pin Detect RF RF...

Page 28: ...hase servo at L Track detect signal input pin Schmidt input Tracking error signal input pin Schmidt input Tracking OFF output pin Tracking gain selection output pin Gain boost at L Track jump control signal output pin Three level output is possible using command EFM data playback clock monitoring pin 4 3218 MHz when phase is locked in Sync signal detection output pin H when the sync signal which i...

Page 29: ...the 7 35 kHz sync signal which is generated by dividing frequency of crystal oscillator Subcode Q output standby output pin Read write control input pin Schmidt input Subcode Q output pin Command input pin from microprocessor Command input read clock or subcode read input clock from SQOUT pin LC78622 reset input pin Set this pin to L once when the main power is turned on Test signal output pin Use...

Page 30: ...0 COVER KEY FUNC L EXCEPT HRD KD EZD 20 8A CLC 002 010 KEY CONT A 21 8A CLC 003 010 KEY CONT B 22 8A CJB 625 010 CONN ASSY 10P DECK 23 8A CLC 610 010 CONN ASSY 3P POWER 24 8A CJB 003 010 PANEL L 25 8A CJB 626 010 CONN ASSY 2P CD DOOR 26 88 907 211 110 FF CABLE 7P 1 25 210MM 27 8A CJB 622 010 FF CABLE 16P 1 0 150MM 28 8A CJB 623 010 CONN ASSY 6P CD MOTOR 30 88 CH6 220 010 CUSHION CD A 31 M8 ZZK E90...

Page 31: ... E E E G B A A 17 18 15 13 6 P C B P C B P C B P C B P C B 16 19 11 50 10 21 35 28 30 31 39 38 32 25 26 34 36 33 20 24 SH DIFFUSION SH REFRECTOR 12 5 2 7 3 8 9 49 51 48 47 22 46 1 4 LCD BINDER WIRE BINDER WIRE TN 21ZSC CHAS MAIN HT SINK HT SINK RIG 30 43 42 41 40 37 45 44 27 23 ...

Page 32: ...EI 26 S1 921 140 240 REW BUTTON LEVER 27 S1 921 140 250 FF BUTTON LEVER 28 S1 921 140 260 STOP BUTTON LEVER 29 S1 921 140 610 PAUSE BUTTON LEVER 30 S1 821 100 700 FF GEAR 31 S1 921 050 060 SENSER 32 S1 921 053 100 TAKE UP REEL ASSY 33 S1 829 100 010 PACK SPRING 34 S1 921 050 150 S REEL HUB 35 S1 921 050 220 BACK TENSION SPRING 36 S1 921 140 220V REC BUTTON LEVER 37 S1 921 140 170 P S LEVER SPRING ...

Page 33: ...ECHANISM PARTS LIST 1 1 1 S2 121 A28 400 COVER GEAR 2 S2 511 A21 000 GEAR MIDDLE 3 S2 511 A21 100 GEAR DRIVE A S1 PN2 03R OSE SCR PAN PCS 2 3 B 87 261 073 410 SCR S TPG FLT 2 6 6 ALL M8 ZZK E90 070 DA11T3C B B A A SHAFT SLIDE 1 2 3 MOTOR C B SPINDLE MOTOR M3 CHASSIS SF P101NR ...

Page 34: ...BI SPKR FR EXCEPT HCL 3 8A CJB 956 010 PANEL ASSY SPKR D HRD KD EZD 3 8A CJB 958 010 PANEL ASSY SPKR DS HRJS KS EZS 3 8A CJB 955 010 PANEL ASSY SPKR L HRL KL EZL HSL 4 8A CJB 220 010 HLDR SPKR REAR EXCEPT HCL 5 8A CJB 204 010 HLDR SPKR WIRE EXCEPT HCL 6 8A CJB 627 010 CORD SPKR EXCEPT HCL 7 8A CJB 027 010 CUSH FOOT EXCEPT HCL ...

Page 35: ...901 010 IB H ECA B HRJS HRD HRL 1 8A CLC 905 010 IB K E B KS KD KL 2 87 A90 030 010 ANT LOOP AM NC C 3 87 043 115 010 ANT FEEDER FM HRJS HRD HRL HCL 3 87 A90 118 010 ANT WIRE FM Z EXCEPT HRJS HRD HRL HCL 4 87 099 726 010 PLUG ADPTR CONV K KS KD KL EZD EZL HSL 4 87 A91 017 010 PLUG CONVERSION JT 0476 HRJS HRD HRL 5 8A CLB 961 010 RC UNIT RC AAT11 ...

Page 36: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111 737004 Printed in Singapore ...

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