Aiwa FD-LM88 Service Manual Download Page 50 | Manualshive

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TN-708C-128R

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All manuals and user guides at all-guides.com

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Summary of Contents for FD-LM88

Page 1: ...ice Manual is the Revision Publishing and replaces Simple Manual S M Code No 09 996 333 3T3 D A T A BASIC TAPE MECHANISM TN 708C 128R BASIC CD MECHANISM KSM 620AAA SYSTEM XR M88 RECEIVER RX LM88 CD CASSETTE FD LM88 SPEAKER SX LM200 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...IEW 1 1 26 MECHANICAL PARTS LIST 1 1 27 MODEL NO FD LM88 DISASSEMBLY INSTRUCTIONS 28 32 ELECTRICAL MAIN PARTS LIST 33 35 TRANSISTOR ILLUSTRATION 36 WIRING 1 CD 37 40 SCHEMATIC DIAGRAM 1 CD 1 2 41 42 SCHEMATIC DIAGRAM 2 CD 2 2 43 44 WIRING 2 TAPE 45 46 WIRING 3 KEY 47 48 WIRING 4 FUNC 49 50 SCHEMATIC DIAGRAM 3 TAPE FUNC KEY 51 52 TEST MODE 53 ELECTRICAL ADJUSTMENT 54 55 PRACTICAL SERVICE FIGURE 56 ...

Page 3: ...arks of Dolby Laboratories Licensing Corporation The word BBE and the BBE symbol are trademarks of BBE Sound Inc Under license from BBE Sound Inc REF NO PART NO KANRI DESCRIPTION NO ACCESSORIES PACKAGE LIST 1 8Z CLB 911 010 IB H EC K M 2 87 043 115 010 ANT FEEDER FM 3 87 A90 030 010 ANT LOOP AM NC C 4 8Z CLB 955 010 RC UNIT ZCL 11 5 87 A90 786 010 PLUG CONVERSION IR46 All manuals and user guides a...

Page 4: ...aîner 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 servicing WARNING WHE...

Page 5: ...00P 50 J CH C191 87 A10 479 080 CAP CER 2200P 250 M E KH C195 87 010 405 010 CAP ELECT 10 50V C281 87 010 401 080 CAP ELECT 1 50V C282 87 010 263 080 CAP ELECT 100 10V C283 87 010 380 080 CAP ELECT 47 16V C284 87 010 260 080 CAP ELECT 47 25V CN101 87 A60 813 010 CONN 8P H BLK TAC L8X CN102 87 A60 813 010 CONN 8P H BLK TAC L8X CN104 87 A60 770 010 CONN 18P B TMC D X CN203 87 A60 109 010 CONN 2P V S...

Page 6: ...S 1500P 50 CH C735 87 010 987 080 C CAP S 1500P 50 CH C736 87 010 987 080 C CAP S 1500P 50 CH C737 87 A10 592 080 C CAP S 0 015 50 J B C738 87 A10 592 080 C CAP S 0 015 50 J B C751 87 010 220 080 C CAP S 0 018 25 B C752 87 010 220 080 C CAP S 0 018 25 B C756 87 012 286 080 CAP U 0 01 25 C757 87 012 188 080 C CAP U 47P 50 CH C758 87 012 167 080 C CAP U 5P 50 CH C763 87 010 829 080 CAP U 0 047 16 C7...

Page 7: ...al order items The connectors are available after they are supplied from connector manufacturers upon the order is received 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resistor Chip resistor Wattage Type Tolerance 1 16W 1 10W 1 8W 1608 2125 3216 5 5 5 CJ CJ CJ Form L W t 1 6 0 8 0 45 2 1 25 0 45 3 2 1 6 108 118 128 A A CHIP RESISTOR PART CODE 0 55 Resistor Code Dimensions mm Symb...

Page 8: ...8 ANODE CONNECTION FL 13 ST 36GNAK GRID ASSIGNMENT ANODE CONNECTION GRID ASSIGNMENT All manuals and user guides at all guides com ...

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 10 9 WIRING 1 POWER AMP AC120 220 240V 50 60Hz EZ MODEL EZ MODEL AC VOLTAGE SW101 120 220 240V All manuals and user guides at all guides com ...

Page 10: ...12 11 SCHEMATIC DIAGRAM 1 POWER AMP AC VOLTAGE All manuals and user guides at all guides com ...

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 14 13 WIRING 2 FRONT All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ...16 15 SCHEMATIC DIAGRAM 2 FRONT IC301 LC866532A 5L31RX All manuals and user guides at all guides com ...

Page 13: ...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 18 17 WIRING 3 TUNER All manuals and user guides at all guides com ...

Page 14: ...IAGRAM 3 TUNER TO FROM TU INF C B CN114 L771 DC Balance Mono Distortion ADJ L772 AM IF ADJ L981 AM Tracking ADJ BAND SW IF AMP FM AM IF STEREO TUNER SYSTEM TU B SW TUNER C B All manuals and user guides at all guides com ...

Page 15: ...djustment Settings Test point TP8 TP9 Adjustment location L981 Method Set to AM 603kHz and adjust L981 so that the test point becomes maximum 4 AM VT Check Settings Test point TP1 VT Method Set to AM 1602kHz and check that the test point is less than 8 0V Then set to AM 531kHz and check that the test point is more than 0 6V 5 Clock Frequency Check Settings Test point TP2 CLK IC771 pin30 Method Set...

Page 16: ...ess than 1 3 Input 66dB at 98 0MHz Stereo separation More than 30dB at 98 0MHz Intermediate frequency 10 7MHz AM SECTION Sensitivity 54dB 6dB at 603kHz S N 20dB 52dB 6dB at 999 1404kHz Signal to noise ratio More than 34dB Input 100dB at 999kHz Distortion Less than 1 5 at 999kHz Intermediate frequency 450kHz All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ...FF of POWER AMP NC Connected to TUNER PLL IC LC72131 pin 5 CL Connected to TUNER PLL IC LC72131 pin 4 DI NC Power save mode control output NC Clock shift output L at clock shift Microprocessor reset TUNER STEREO detection Connected to TUNER PLL IC LC72131 pin 6 D0 GND 5 76 MHz Connected to oscillator Microprocessor power supply µ com 5V Hold state detection Ignored by slave microprocessor NC RDS s...

Page 18: ...P10 12 O MASI ____________ I MASO I MACLK O O I I Microprocessor power supply µ com 5V NC Main mute output NC Serial data output to master microprocessor Serial data input from master microprocessor Transfer clock input from master microprocessor All manuals and user guides at all guides com ...

Page 19: ...25 IC BLOCK DIAGRAM IC BU1920FS IC LA1837 IC LC72131 All manuals and user guides at all guides com ...

Page 20: ...L P C B A 6 B B C C B G A B B C B H H I J A G G P C B P C B P C B P C B 7 14 8 18 19 15 16 17 13 HT SINK SUB HT SINK MAIN ASSY 11 10 9 P C B P C B CHAS MAIN SHLD PLATE SUB PT SHLD PLATE PT 12 21 20 22 HLDR IC All manuals and user guides at all guides com ...

Page 21: ... F CABLE 7P 2 5 150MM PWR 9 8Z CL1 215 110 COVER PWB AC 10 87 A90 193 010 HLDR CV100 B 11 8Z CL1 203 010 HLDR SUB PT 12 8Z CL1 663 010 FAN MF40D 12 200MM 13 8Z CLB 075 010 PANEL REAR RX CS HC 14 87 A90 460 010 HLDR WIRE 2 5 7P 15 87 085 185 010 BUSHING AC CORD E 16 87 A80 092 010 AC CORD ASSY E BLK SUN FAI 17 81 669 025 010 FOOT H11 18 8Z CL1 654 010 F CABLE 2P 2 5 170MM SUBPT 19 8Z CL1 624 010 PT...

Page 22: ...28 DISASSEMBLY INSTRUCTIONS 1 Remove the two screws 2 Remove the two screws 1 2 MODEL NO FD LM88 All manuals and user guides at all guides com ...

Page 23: ...e the eight screws and remove the PANEL REAR FD 4 While moving up the rear of the PANEL TOP remove the PANEL TOP by pulling it to the front 3 PANEL REAR FD PANEL TOP All manuals and user guides at all guides com ...

Page 24: ...30 5 Remove the FFC and cord Be careful that the FFC especially cannot be removed easily 6 Remove the screws 6 All manuals and user guides at all guides com ...

Page 25: ...31 7 Remove the two FFCs 8 Remove the claw and remove the CABI FRFD together with the entire front board CABI FRFD All manuals and user guides at all guides com ...

Page 26: ...unction Board 9 While moving up the CD board and the function board remove the CD board and the function board You can locate the mechanism deck All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...0 CH C45 87 010 196 080 CHIP CAPACITOR 0 1 25 C46 87 010 196 080 CHIP CAPACITOR 0 1 25 C47 87 010 196 080 CHIP CAPACITOR 0 1 25 C48 87 010 315 080 C CAP S 27P 50 CH C50 87 012 140 080 CAP 470P C51 87 012 156 080 C CAP S 220P 50 CH C55 87 010 264 040 CAP E 100 10 5L C57 87 010 316 080 C CAP S 33P 50 CH C58 87 010 316 080 C CAP S 33P 50 CH C59 87 010 264 040 CAP E 100 10 5L C60 87 010 196 080 CHIP C...

Page 28: ...375 010 RELAY AC DC12V G6S 2 RY303 87 A91 375 010 RELAY AC DC12V G6S 2 SFR351 87 024 436 080 SFR 47K RH063EC SFR352 87 024 436 080 SFR 47K RH063EC SFR451 87 024 436 080 SFR 47K RH063EC SFR452 87 024 436 080 SFR 47K RH063EC FUNCTION C B C501 87 010 197 080 CAP CHIP 0 01 DM C531 87 010 374 040 CAP E 47 10 C532 87 010 374 040 CAP E 47 10 C535 87 010 213 080 C CAP S 0 015 50 B C536 87 010 213 080 C CA...

Page 29: ...24 080 SW TACT KSH0611BT S802 87 A91 024 080 SW TACT KSH0611BT S803 87 A91 024 080 SW TACT KSH0611BT S804 87 A91 024 080 SW TACT KSH0611BT S805 87 A91 024 080 SW TACT KSH0611BT S806 87 A91 024 080 SW TACT KSH0611BT S807 87 A91 024 080 SW TACT KSH0611BT S808 87 A91 024 080 SW TACT KSH0611BT S809 87 A91 024 080 SW TACT KSH0611BT S810 87 A91 024 080 SW TACT KSH0611BT S811 87 A91 024 080 SW TACT KSH06...

Page 30: ...6 ECB ECB ECB B E C 2SK2158 2SA1318 2SC2001 CSD655E CSD1489B KTC3198 2SA933 2SA1235 2SC3052 DTA144TK DTC114TK RT1N144C G S D KTA1266 TRANSISTOR ILLUSTRATION All manuals and user guides at all guides com ...

Page 31: ...38 37 WIRING 1 CD 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J CD C B COMPONENT SIDE All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 32: ...40 39 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J CD C B CONDUCTOR SIDE All manuals and user guides at all guides com ...

Page 33: ...42 41 SCHEMATIC DIAGRAM 1 CD 1 2 All manuals and user guides at all guides com ...

Page 34: ...44 43 SCHEMATIC DIAGRAM 2 CD2 2 UNIT IC201 LC866560W 5M02FD All manuals and user guides at all guides com ...

Page 35: ...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 46 45 WIRING 2 TAPE All manuals and user guides at all guides com ...

Page 36: ...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 48 47 WIRING 3 KEY All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 37: ...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 50 49 WIRING 4 FUNC TO FROM TAPE C B CN302 SW1 SW4 SW3 SW2 PH2 PH1 1 1 3 2 11 DECK C B All manuals and user guides at all guides com ...

Page 38: ...52 51 SCHEMATIC DIAGRAM 3 TAPE FUNC KEY DECK C B M2 M1 SW4 SW3 SW2 SW1 PH1 PH2 All manuals and user guides at all guides com ...

Page 39: ...ntinued for 10 minutes or longer heating of the driver IC is accumulated to trigger the protection circuit that will stop operation of the CD system Turn off the main power and re start operation about 10 minutes later MODE Start mode Search mode Play mode Traverse mode Sled mode Operation Starting up the test mode 9 2 6 5 Indication on display CD TEST CD Track No and playing time are displayed Tr...

Page 40: ... be CLEAR and MAX MAX 1 8 0 1 Vp p VOLT DIV 0 5V TIME DIV 0 5µS 2 Tracking Balance Check Oscilloscope DC range TP3 TE TP2 VREF 1 Connect an oscilloscope to test points TP3 TE and TP2 VREF 2 Start up the CD test mode 3 Insert the test disc TCD 782 YEDS 18 and enter the traverse mode of the CD test mode 4 Confirm that the traverse waveform on an oscilloscope is vertically symmetrical as shown in the...

Page 41: ...ottom of the cabinet Method 1 Input the 1kHz signal and adjust the input signal level for 20 dB 2 Set the XR M88 into the record mode and record the 1kHz and 10kHz signals alternately 3 Play back the segment that is recorded in step 2 and adjust SFR351 and SFR352 so that both the 1kHz and 10kHz signals have the same level within 0 dB 3 4dB 4 Perform the same adjustment by adjusting SFR451 and SFR4...

Page 42: ...GURE TAPE SECTION Tape speed 3000Hz 60Hz Wow Flutter Less than 0 21 W R M S Distortion REC PB Less than 2 5 Noise level PB Less than 3 5mV DOLBY OFF NORM Test tape NORMAL TTA 602 All manuals and user guides at all guides com ...

Page 43: ...LAY REC Serial data transfer request for MD UNIT control REC PB switching output QSURROUND ON OFF output Reset signal output to slave microprocessor Connected to VOL P EQ IC M62439SP pin CONT NC Connected to CD DSP LC78622E pin 56 COIN and CD ASP LA9240M pin 52 DAT Clock shift output L at clock shift Microprocessor reset Connected to CD ASP LA9240M pin 54 DRF Connected to CD DSP LC78622E pin 55 SQ...

Page 44: ... for MD UNIT control FWD REC BIAS control output Serial clock input for MD UNIT control RWD REC BIAS control output Serial data output to slave microprocessor Serial data input from slave microprocessor Transfer clock output to slave microprocessor I I I I I I I O O I O O O O O O O O O O I I O I O I OIRT I RDS _________ I BBE _______________ I DOLBY _______ I TAPE MD _____________ I DEMO PE2 PE7 V...

Page 45: ...ween 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 and FA pins Pin to whi...

Page 46: ...in 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 level detector output Focus Search...

Page 47: ...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 is detected from EFM signal and thesy...

Page 48: ...l 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 this pin as open norma...

Page 49: ... IC MM1454XFBE IC M62495FP 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 BIAS VCC RIN PNR B Q DET QF6 ROUT LOUT GND LIN VREF QF1 QF2 QF3 QF4 QF5 QSurround IC BA5936 Rog CURRENT DETECTOR TERMINAL All manuals and user guides at all guides com ...

Page 50: ... C C G 12 13 15 14 16 17 34 42 39 40 34 18 19 20 32 33 P C B P C B 31 22 30 29 23 24 25 21 26 27 28 B I I J K K G G G 43 A 37 38 35 36 A H F F P C B P C B HT SINK MD P C B 41 CHAS MAIN CS KSM 620AAA TN 708C 128R SHLD PLATE HEAD L 46 45 44 47 All manuals and user guides at all guides com ...

Page 51: ...0 PANEL CONT CS 22 8Z CL1 016 010 CAP POWER 23 8Z CL1 017 010 CAP FUNC 24 8Z CL1 018 010 CAP REC 25 8Z CL1 019 010 CAP PAUSE 26 8Z CL1 020 010 CAP STOP 27 8Z CLB 003 010 CAP PLAY CS 28 8Z CL1 022 010 CAP REW 29 8Z CL1 023 010 CAP FF 30 8Z CL1 024 010 CAP DOWN 31 8Z CL1 025 010 CAP UP 32 8Z CL1 026 010 CAP OPEN 33 8Z CL1 206 010 BTN CONT 34 88 HV1 207 010 DMPR MECHA 35 8Z CL1 653 110 F CABLE 19P 1 ...

Page 52: ...PLODED VIEW 1 1 25 24 23 13 C 15 F 26 D CUSHION RUBBER 34 35 36 J 22 20 G F 7 37 17 16 5 4 3 27 H A 28 12 I 14 2 8 19 11 10 E 6 9 1 34 35 36 30 G F J 21 F 7 B 18 29 C 33 31 32 All manuals and user guides at all guides com ...

Page 53: ...LDER 23 S1 970 093 010 SUB MOTOR ASSY 24 S1 970 103 010 MAIN MOTOR ASSY 25 S1 970 100 020 M CONNECTOR ASSY 26 S1 950 140 030 WIRE CLUMPER 27 S1 970 113 010 FL CAPSTAN ASSY 28 S1 970 110 060 MAIN BELT G 29 S1 970 120 010 CASE LIFTER B 30 S1 970 120 160 CASSETTE CASE R 31 S1 970 120 040 P S ACTUATOR PLATE 32 S1 970 120 050 P S SPRING 33 S1 970 120 030 PACK SLIDER 34 S1 950 080 220 RELL CAP 35 S1 970...

Page 54: ...68 CD MECHANISM EXPLODED VIEW 1 1 1 2 3 4 5 6 7 B A C All manuals and user guides at all guides com ...

Page 55: ...491 219 9A0 SLED MOTOR ASSY 4 9X 264 648 210 MD ASSY 5 92 627 751 020 GEAR BN 6 92 646 914 010 LACK SPRING 7 92 646 913 010 HOLDER A 92 646 352 010 TAPPING SCREW B2 8 B 92 627 668 010 SCREW M2 2 5 C 92 646 358 110 TAPPING SCREW B1 7 4 CD MECHANISM PARTS LIST 1 1 All manuals and user guides at all guides com ...

Page 56: ...unit After replacing the speaker unit install it turnning to clock wise direction unitil click sound comes out Type 1 Type 3 Type 2 TOOLS 1 Plastic head hammer 2 flat head screwdriver 3 Cut chisel How to Remove the PANEL FR 1 Insert the flat head screwdriver tip into the gap between the PANEL FR and the PANEL SPKR Tap the head of the flat head screwdriver with the plastic hammer head and create th...

Page 57: ... YJTN 2 8Z CP1 017 010 GRILLE FRAME ASSY B YJBN 3 8Z CP1 003 010 PANEL FR YJTN 3 8Z CP1 015 010 PANEL FR B YJBN 4 8Z CP1 005 010 PANEL TW YJTN 4 8Z CP1 016 010 PANEL TW B YJBN 5 8Z CP1 601 010 SPKR W 100 6 88 CL1 937 010 SPKR TW 25 SPEAKER PARTS LIST 1 1 All manuals and user guides at all guides com ...

Page 58: ...931196 Printed in Singapore 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 All manuals and user guides at all guides com ...

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