Aiwa LCX-K117, Service Manual

Page 1: ...SERVICE MANUAL D A T A BASIC TAPE MECHANISM ZZM 1AR3NC BASIC CD MECHANISM DA11T3C COMPACT DISC STEREO SYSTEM LCX K117 S M Code No 09 00B 352 1N1 HRJ S HEJ S ...

Page 2: ...ONENT 14 WIRING 4 VCD FR CONDUCTOR LED 15 SCHEMATIC DIAGRAM 3 VCD 1 2 16 SCHEMATIC DIAGRAM 4 VCD 2 2 17 SCHEMATIC DIAGRAM 5 FR LED 18 WIRING 5 PT 19 SCHEMATIC DIAGRAM 6 PT 20 WIRING 6 MOTOR C B 21 ELECTRICAL ADJUSTMENT 22 23 FL GRID ASSIGNMENT ANODE CONNECTION 24 VOLTAGE CHART 25 28 IC BLOCK DIAGRAM 29 30 IC DESCRIPTION 31 45 MECHANICAL EXPLODED VIEW 1 1 46 MECHANICAL PARTS LIST 1 1 47 TAPE MECHAN...

Page 3: ...010 IB H ECA FM HRJS 1 8A CGD 921 010 IB H ET T KIT HEJS 2 8A CGD 950 010 RC UNIT RC AAT00 3 87 A90 030 010 ANT LOOP AM NC C 4 87 043 115 010 ANT FEEDER FM 5 87 A91 017 010 PLUG CONVERSION JT 0476 6 87 050 103 010 CORD PIN 1PY1 5M 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: ...3 87 012 274 080 CHIP CAP U 1000P 50B C264 87 012 274 080 CHIP CAP U 1000P 50B C265 87 010 263 080 CAP ELECT 100 10V C266 87 010 263 080 CAP ELECT 100 10V C267 87 010 112 080 CAP ELECT 100 16V C268 87 010 112 080 CAP ELECT 100 16V C271 87 010 221 080 CAP ELECT 470 10V C272 87 010 221 080 CAP ELECT 470 10V C279 87 010 385 080 CAP ELECT 220 25V C280 87 010 196 080 CHIP CAPACITOR 0 1 25 C281 87 010 1...

Page 6: ...87 010 757 080 C CAP U 0 047 25 F C121 87 010 757 080 C CAP U 0 047 25 F C123 87 010 759 080 C CAP U 0 1 25F C125 87 010 787 080 CAP U 0 022 25 C126 87 010 759 080 C CAP U 0 1 25F C127 87 010 112 080 CAP ELECT 100 16V C130 87 010 112 080 CAP ELECT 100 16V C131 87 010 112 080 CAP ELECT 100 16V C132 87 012 274 080 CHIP CAP U 1000P 50B C133 87 010 112 080 CAP ELECT 100 16V C134 87 010 759 080 C CAP U...

Page 7: ...J3216HS800 T FB706 87 A91 720 080 C F BEAD FBMJ3216HS800 T FB707 87 A91 720 080 C F BEAD FBMJ3216HS800 T FB708 87 A91 720 080 C F BEAD FBMJ3216HS800 T J501 87 009 502 010 JACK PIN 1P Y EARTH L101 87 005 196 080 COIL 10UH L301 87 A50 095 010 COIL 68UH RCR875D L302 87 005 426 080 COIL 3 3UH K FLR50 L502 87 005 204 080 COIL 47UH L503 87 005 189 080 COIL 2 7UH L504 87 005 187 080 COIL 1 8UH L505 87 00...

Page 8: ... C546 87 010 263 080 CAP ELECT 100 10V C551 87 012 282 080 CAP U 4700P 50 C552 87 012 274 080 CHIP CAP U 1000P 50B C559 87 018 134 080 CAPACITOR TC U 0 01 16 CN204 87 A60 136 010 CONN 11P V FE CN501 87 A60 110 010 CONN 4P V S2M 4W CN502 87 049 469 010 CONN 4P V L501 87 007 342 010 COIL OSC 85K BIAS R540 87 029 124 010 RES FUSE 2 2 1 4 SW501 8Z CD9 609 010 SW SL 1 6 2 PS62D01 REF NO PART NO KANRI D...

Page 9: ...ATION ECB ECB ECB BCE 2SA1296 DTC114YS 2SA933 2SC1740 DTC114TS 2SB1370 E B C 2SC2714 RT1P144C DTA123JK DTA124XK DTC124XK 2SC2712 2SA1162 DTC114EK DTC124XS G DTA124X OUTIN 2SA1357 HN1C03F ECB E1 B2 C2 C1 B1 E1 E C B 2SC1815 ...

Page 10: ... 10 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32 WIRING 1 MAIN 2B ANTENA ...

Page 11: ... 11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U WIRING 2 DECK R P SEL SW ...

Page 12: ... 12 SCHEMATIC DIAGRAM 1 MAIN 2B 1 2 DECK 2B Q243 244 ...

Page 13: ... 13 SCHEMATIC DIAGRAM 2 MAIN 2B 2 2 2B ...

Page 14: ... 14 WIRING 3 VCD FR COMPONENT 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A B C D E F G H I J K L M N O P Q R S T U 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...

Page 15: ... 15 WIRING 4 VCD FR CONDUCTOR LED 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 ...

Page 16: ... 16 SCHEMATIC DIAGRAM 3 VCD 1 2 2B ...

Page 17: ... 17 SCHEMATIC DIAGRAM 4 VCD 2 2 DAC_CK V ID ...

Page 18: ... 18 SCHEMATIC DIAGRAM 5 FR LED 2B D ...

Page 19: ... 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U WIRING 5 PT W001 PTX901 ...

Page 20: ... 20 SCHEMATIC DIAGRAM 6 PT PTX901 ...

Page 21: ... 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U WIRING 6 MOTOR C B MOTOR C B PIN3 M3 SW1 _ M2 M3 SPINDLE MOTOR SW1 INSIDE LIMIT SW M2 SLED MOTOR _ 6 1 TO VCD C B CNA102 ...

Page 22: ... 22 ELECTRICAL ADJUSTMENT IC771 J201 PHONES L771 L772 FFE801 L981 30 28 26 17 16 4 13 4 6 6 2 45 MAIN 2B C B Component side 9 L501 DECK C B 7 M1 TAPE MOTOR RPH 78 8 1 5 ...

Page 23: ...3 Method Adjust L981 1 3 so that the output level at 1000kHz 999kHz becomes maximum 6 DC Balance Adjustment Settings Test point IC771 LA1837NL 26 28PIN Adjustment location L771 Frequency 98 0MHz Method Set to FM 98 0MHz and adjust L771 so that the voltage between 26PIN and 28PIN becomes 0V 0 04V TAPE SECTION 7 Tape speed Adjustment Settings Test tape TTA 100 Test point J201 PHONES jack Adjustment ...

Page 24: ... 24 FL AIWA4239ACL 13 GRID ASSIGNMENT ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION ...

Page 25: ... 25 VOLTAGE CHART ...

Page 26: ... 26 ...

Page 27: ... 27 ...

Page 28: ... 28 ...

Page 29: ...CK DIAGRAM IC M62495AFP IC LA1837NL IC LC72131D Switch collector Driver Peak currect detection Power supply Comparator input Switch emitter External capacitance for oscillation Ground 1 17V REF VOL OSC IC M5291FP ...

Page 30: ... 30 IC BA4560N T S D Thermal shut down Resistors are in units of Ω 6 65K 6 65K CH1 MUTE 6 65K 6 65K IC BA5915FP IC SN74LV74APW ...

Page 31: ...ick is input with external resistance connected Pull down Power supply L setting starts sled disorder prevention circuit Not pull up resistance Clock input for serial data transfer from CPU No pull up resistance Latch input from CPU No pull up resistance Serial data input from CPU No pull up resistance Reset system at L setting No pull up resistance Signal output for track number counting FZC DFCT...

Page 32: ...are connected to the A C and B C pins of the optical pickup receiving by currents input Bias adjustment pin of the focus error amplifier Not connected F and EIV amplifier inverted input pins These pins are connected to the F and E of the optical pickup receiving by current input Gain adjustment pin of the I V amplifier E When not in use of BAL automatic adjustment GND connection pin Output termina...

Page 33: ...ed to ground Spindle motor external control input Connected to ground VCO2 oscillation output for the wide band EFM PLL VCO2 control voltage input for the wide band EFM PLL Wide band EFM PLL charge pump output VCO2 oscillation input for the wide band EFM PLL Multiplier PLL slave digital PLL filter output Multiplier PLL filter input Multiplier PLL charge pump output Analog GND Multiplier VCO1 contr...

Page 34: ...Not connected DA01 output when PSSL 1 MNT0 output when PSSL 0 Not connected Aperture compensation control output This pin outputs a high signal when the right channel is used Not connected Aperture compensation control output This pin outputs a high signal when the left channel is used Not connected GND Crystal oscillation circuit input Crystal oscillation circuit output Not connected Crystal sele...

Page 35: ...the 48 bit slot is an MSB first two s complement output GTOP is used to monitor the frame sync protection status High sync protection window open XUGF is the negative pulse for the frame sync obtained from the EFM signal It is the signal before sync protection XPLCK is the inverse of the EFM PLL clock The PLL is designed so that the falling edge and the EFM signal transition point coincide GFS goe...

Page 36: ... No connection GND Bit clock input from CD DSP Data input from CD DSP LRCK input from CD DSP C2 pointer input from CD DSP No connection DRAM ROM interface DATA Ground DRAM ROM interface DATA Power supply 3 3V DRAM ROM interface DATA Ground DRAM ROM interface DATA Power supply 3 3V DRAM ROM interface DATA No connection ROM chip enable DRAM write enable Ground DRAM ROM interface Power supply 3 3V DR...

Page 37: ...put Power supply 3 3V VCK out Ground Global clock signal input 42 3MHz Not connected Video clock signal input 27 0MHz Global clock signal output 27 0MHz DAC LRCK output Power supply VDD MAX 5 0V DAC PCM data output DAC BIT clock output Micon interface Data out Micon interface Host ready O I I O I I I I O I O I O I O O O O O O O I I O O O O O O Y OUT AVDD DAC AGND DAC R REF V REF AVDD DAC C OUT AGN...

Page 38: ...6 117 118 119 120 121 122 123 124 125 126 128 Micon interface Host interrupt CD G serial clock input Ground Micon interface Host clock Power supply 3 3V Micon interface Host data in Power supply 3 3V Micon interface Host select in CD G data input CD G VFSY input CD G SOSI input DSP XCK output Not connected No connection O I I I I I I I O ...

Page 39: ...is built in Hysteresis input Power supply for the composite video signal level adjustment Analog power supply Composite video signal output terminal Connected to GND or not connected Composite video signal input terminal Power supply 5V digital power supply Video signal for the internal sync separator circuit is input to this terminal When the internal sync separator circuit is not used the horizo...

Page 40: ...______ Controls whether or not to input the VSYNC signal to the SEPIN input L to input the VSYNC ______________ signal H not to input the VSYNC signal Connected to Vdd System reset input terminal Pull up resistor is built in Hysteresis input Pull down Power supply 5V digital power supply ...

Page 41: ...UT MODE L NTSC SW TV OUT MODE L NTSC PAL AUTO SW TV OUT MODE L PAL POWER EMERGENCY STOP Ln3sec STOP MIC DETECTION INPUT L MIC IN Pull up Not used Connected to ground LPC ON OFF H ON NORMAL Pull up GFS FRAME SYNC LOCK NO USE H Not connected DIGITAL DATA OUT MUTE DSP SENS1 FROM CD CD RESET DATA TO CD XLT TO CD CLK TO CD GND FOCUS OK SSP SENS2 FROM CD READY BUSY I O TO HOST OD MPEG POWER CONTROL OUTP...

Page 42: ... GND Not used 5 0VDD GND MPEG BLOCK IC RESET ADDRESS DATA SEL TO CL680 INSIDE LIMIT SW CD RW SELECT1 L CD RW OSD CHIP SELECT Pull down CXA1992A B SELECT L CXA1992A CLV MODE SELECT H CLV N Not connected AUTO ADJUST SELECT H AUTO ON Not connected 5 0VDD HD OUT FROM CL680 HD IN FROM CL680 HCK TO CL680 OSD DATA OSD CLOCK COMMAND FROM HOST STATUS TO HOST SCK FROM HOST I I O O I O O I I I I O O O O I O ...

Page 43: ...minal Sample rate clock fs input terminal H L ch L R ch Test input H or open during normal operation Not connected Test output 1 Normally low level output Not connected Analog VDD terminal For L ch Left channel analog output terminal Analog VSS terminal Right channel analog output terminal Analog VDD terminal For R ch Infinity zero detection output X tal system VDD terminal X tal oscillator termin...

Page 44: ...tion Reset terminal External crystal oscillator 32 768KHz is connected to this pin input External crystal oscillator 32 768KHz is connected to this pin output Pull down GND External ceramics oscillator 5 76MHz is connected to this pin input External ceramics oscillator 5 76MHz is connected to this pin output Power supply positive polarity terminal Tuner stereo reception detection Tact key AD input...

Page 45: ...sitive polarity terminal CD VCD power supply control Tuner power supply control Main power control No connected Audio signal mute output No connected No connected No connected COMMAND to VCD MICON STATUS from VCD MICON SCK to VCD MICON NC I CD TEST I TU TEST COM0 2 NC VSS2 VDD2 O CD ON O TU ON O P CONT O HI DUBB O MUTE O FM MONO O BEAT CONT O QSOUND O SD I SD O SCLK O O O O O O O O O O I O ...

Page 46: ... D G D HT SINK LCD SH LCD PWB 37 ZZM 1 SHLD PLATE PT WIRE ASSY 30LUG 38 PWB PWB PWB PWB PWB I H H F G H 1 2 3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 a a 21 22 24 23 25 40 27 28 31 36 41 29 30 CUSHION CD A CUSHION CD A CUSHION CD A 32 33 34 26 35 39 ...

Page 47: ...15 8Z CT6 213 010 BASE CHUCK 16 87 036 368 010 MAGNET 17 86 CT9 222 010 PLATE MAGNET 18 86 CT9 217 010 HLDR CHUCK A S 19 8A CGD 005 010 BOX CD V 20 8A CGD 006 010 WINDOW CD V 21 8A CLD 201 010 HLDR LCD 22 8A CLD 621 010 FF CABLE 12P FR MAIN 23 8A CLD 622 010 CONN ASSY 2P DOOR 24 8A CGD 202 010 SPR P REC V 25 8A CLD 210 010 PLATE REC 26 8A CLD 620 010 FF CABLE 16P CD RF 27 8A CLD 003 110 CHAS CD 28...

Page 48: ...PE MECHANISM EXPLODED VIEW 1 1 A C 1 52 TERMINAL LB1 B 2 3 4 5 6 7 8 9 11 12 13 14 16 17 19 20 21 22 24 23 26 27 18 28 25 29 54 15 30 31 32 1 34 35 36 38 39 40 41 43 44 45 46 49 48 50 53 37 33 10 47 51 55 42 ...

Page 49: ...246 110 SPR T AUTO 2 26 8Z ZM1 233 110 GEAR IDL REW 27 8Z ZM1 208 010 LEVER STOP 28 8Z ZM1 207 010 LEVER FF 29 8Z ZM1 206 010 LEVER REW 30 8Z ZM1 211 210 LEVER REC 2 31 87 A91 819 010 HEAD EH 2NSS 2200 32 8Z ZM1 215 010 LEVER REC LOCK 33 87 A91 492 010 SW LEAF MSW18560 34 8Z ZM1 226 010 GEAR REEL L 35 8Z ZM1 241 210 SPR T PLAY 36 8Z ZM1 220 110 LEVER REC SENSOR 37 8Z ZM1 249 210 SPR T FR 38 8Z ZM1...

Page 50: ...ECHANISM PARTS LIST 1 1 B B A A SHAFT SLIDE 1 2 3 MOTOR C B SPINDLE MOTOR M3 CHASSIS SF P101NR 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 ...

Page 51: ...PEAKER PARTS LIST 1 1 1 8A CLD 635 010 SPKR 10MM 7OHM 8W Y000411 2 8A CGD 012 010 FRAME NET V ASSY 3 8A CLD 021 010 CABI SPKR FR 4 8A CLD 026 010 PLATE GATE 5 8A CLD 216 010 CUSHION FOOT A 87 741 096 410 UT2 3 10 B 87 741 104 410 UT2 3 30 GLD ...

Page 52: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111 737004 Printed in Singapore ...