User manual AIWA NSX-R20 SERVICE MANUAL

[. . . ] NSX-R20 NSX-R21 K(S) EZ(S) SERVICE MANUAL CD STEREO SYSTEM BASIC CD MECHANISM : BZG-2 ZD9GNC1 BASIC TAPE MECHANISM : CMAT6Z2(1+1)ALPS SYSTEM CD CASSEIVER CX-NR20 SX-NR20 CX-NR21 SPEAKER REMOTE CONTROLLER NSX-R20 RC-CAS03(VS) d p t NSX-R21 u a o If requiring information about the CD mechanism, see Service Manual of BZG-2, (S/M Code No. 09-024-454-0N2 ATA D TABLE OF CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 NOTE ON BEFORE STARTING REPAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The connectors are available after they are supplied from connector manufacturers upon the order is received. CHIP RESISTOR PART CODE Chip Resistor Part Coding Chip resistor Wattage 1/16W 1/16W 1/10W 1/8W TRANSISTOR ILLUSTRATION BCE 2SB1342 2SB1370 2SD1933 ECB d p t Type 1005 1608 2125 3216 S 88 A Figure Value of resistor Resistor Code Dimensions (mm) Tolerance 5% 5% 5% 5% Symbol CJ CJ CJ CJ Form L W 1. 0 t 1. 6 2 3. 2 ECB ECB 2SA1980G 2SA1981Y 2SC3331(T/U) 2SA1585SR GDS SDG u a o L W t 0. 5 0. 35 104 0. 8 0. 45 0. 45 108 118 1. 25 1. 6 0. 55 128 ECB B E :A Resistor Code : A 2SC5343GL C 2N5551C 2SK3053 2SJ460 2SK2541 D G 2SK360E r D G S 2SA1235F 2SB792A 2SC2620B 2SC3052F 2SC3906KR 2SC5477 2SD814A 2SD1306NE SRA2202S SRA2207S 2SK2158 -22- SCHEMATIC DIAGRAM - 1/4 (MAIN -1/2, DECK/AMP/HP SECTION) TO MAIN C. B (TUNER SECTION) 1A-16A <EZ> 14A 15A 16A 4A 7A 12A 1A 13A 6A 10A 11A 5A 3A 2A 8A 9A 1/50 <EZ> 1/50 T1 T2 T3 TO FRONT C. B CN701 3. 49VAC -26. 0V 11. 49V R 4. 8V 100/10 1/50 L 220/10 18. 7V 47/25 -4. 6V Q113, 127 2SC3052Fx2 100/10 11. 27V CNA301 1/50 1/50 0. 1/50 G 2SC3052F 4. 7/50 S S D G S G D D S G S D G 2SC3052F -30. 27V 1/8W 2SC3906KR 30. 9V t 11. 94V 85KHz 22/50 3300/50 C020 3300/50 2SC5343GL 4700/25 Q451, 452 1/8W Q453, 454 1/8W 1/8W 1/8W 1/8W 4. 8V -4. 6V 11. 7V o 9. 34V 47/25 30. 9V 10/63 2SK3053 D G CNA302 GW 18. 7V -19. 47V GW -20. 24V 2SK3053 D G 10/63 -30. 27V RL203GW RL203GW RL203GW RL203GW -30. 27V 11. 94V TO POWER C. B WH002 VIA W099 DC IMBALANCE DET W101 -30. 27V 19. 45V r -19. 47V 5. 87V 45. 0 VAC 19. 45V RL203GW x2 RL203GW x2 2200 /35 50 10/50 HP C. B 47/25 -20. 24V 3. 7 VAC 100/35 100/35 470/16 47/25 32. 0 VAC 100/50 -26. 1V 3. 3/50 2SC3052F AC IMBALANCE DET 100/10 -36. 8V 100/35 100/35 2SC3052F 2SA1235F 2SA1235F P-ON:11. 25V, ECO:12. 85V P-ON:210mV, ECO:12. 8V 2SC3052F -23- 47/25 39K W101 d D G S D 4. 7/50 G 33/50 D S G S D D G G S D S D G S u 0. 22/50 0. 22/50 0. 22/50 0. 22/50 2SD1306NE 2SD1306NE 1/50 0. 1/50 p -30. 27V 4. 7/50 2SC3052F 2SC3052F -19. 47V 18. 7V Q114, 128 2SC3052Fx2 9. 34V 33/50 a WH101 TO CD MECHANISM VIA FFC602 TU-SIG RDS-CLK RDS-DATA T1 T2 T3 MAIN C. B 1/2 (DECK/AMP SECTION) SCHEMATIC DIAGRAM - 2/4 (MAIN -2/2, TUNER SECTION) Q902 L901, 902, 904, 905 Q901 MAIN C. B 2/2 (TUNER SECTION) D G S SH901 SHLD CASE Q903-905 L801 7. 81V L802 AM IF ADJ. 7. 8V Q835 FM IF AMP Q836 FM BAND SW d 1A 2A 3A 4A 5A 5. 6V 11. 9V u 11. 27V 100/10 25 33/16 25 TP3, 4 (DC BALANCE) TP3 TP2 (CLK) p MS2GH-A Q951 SRA2202S MW/LW SW L942 LW VT ADJ. 2SC5477 6. 9V TP1 (VT) Q953 AM RF AMP D S G MW TRACKING ADJ. a ANTENNA FM75 (COAXIAL) MW/LW LOOP 25 25 7. 81V 1/50 TP4 TO MAIN C. B 1/2 (DECK/AMP SECTION) 1A-7A, 14A-16A 6A 7A 25 ZF 11. 9V 8A 9A 10/50 10A 11A 12A 13A 1/8W 14A 15A TUNER ON:4. 9V OTHER FUNCTION:0V 11. 27V 1/8W 4. 9V RESET QUAL RDATA T2 VDD ARI RCLK T57 2SC3052F 16A VREF MUX CMP VSS XO F0 T1 XI 25 KB 25 KB 10/50 X862 2SC3052F TO MAIN C. B 1/2 (DECK/AMP SECTION) 8A-13A t <EZ> o 50 r Q948 LW SW Q952 LW OSC SW 330 L941, TC942 LW TRACKING ADJ. JR808 -24- WIRING - 1/4 (MAIN C. B / HP C. B) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 <EZ> C875 C870 IC861 R871 16 C869 1 9 8 C879 R870 12 11 10 9 8 7 TO DECK1 (CNA301) 6 5 4 3 2 1 A MAIN C. B L941 6 5 4 R952 L952 1 2 3 C942 1 2 3 L942 C948 R958 R948 Q952 TC942 Q948 R969 C952 Q951 TO DECK2 (CNA302) <EZ> JR808 C874 B 6 5 4 J832 J832 R959 D942 C799 R944 L861 <EZ> R864 C872 Q953 R862 R863 R867 R964 Q863 X862 C878 Q861 <EZ> R865 C873 C877 C876 C C305 MW/LW LOOP R954 R947 C958 R956 C947 C831 C924 C923 C859 R902 R901 C901 C914 C860 L906 L903 R913 C919 Q904 R912 C910 L905 R906 C911 C916 Q903 D902 C930 R914 <EZ> C871 C818 <EZ> R861 D E L901 Q901 D903 C931 L907 C922 R905 R911 Q905 C926 C918 C925 R926 R915 R916 R910 C913 C904 C905 D901 C903 C907 F CLP303 R902 C906 L904 R903 C917 FM75 (COAXIAL) R909 L902 C908 G d TO POWER C. B WH002 D013 u C985 p o D162 D161 C109 C110 Q455 R468 C465 Q456 R467 R462 R461 CLP304 a 7 6 4 C223 H I J K L D016 t C229 C231 D019 D017 C232 C230 D014 R069 D015 r 1 3 5 R140 R139 M N HP C. B 5 1 2 C224 O P 3 Q R S D020 D018 T U -25- SCHEMATIC DIAGRAM - 3/4 (FRONT, DECK SECTION) FRONT C. B 4. 7/50 3. 49VAC 4. 7/50 -26. 0V <EZ> TU-SIG RDS-CLK R703 RDS-DATA R701 R702 A1 A2 A3 RT S351 PTY S350 <EZ> R351 4. 7K R350 3. 3K R349 2. 7K 11. 27V 5. 7V 47/35 5. 0V 4. 9V 5. 0V TO MAIN C. B 1/2 (DECK/AMP SECTION) CN601 d 3. 49VAC 11. 49V -26. 0V 11. 27V 0. 1/50 4. 7/50 u 11. 94V 22/25 11. 27V p 2. 99V 220/10 K:UPD780226GF-033-3BA EZ:UPD780228GF-089-3BA A2 A3 4. 9V a TO CD MECHANISM VIA FFC731 t o SW1 r 10/35 SW2 SW3 SW4 SW5 SW6 DECK C. B -26- SW7 M1 (TAPE MOTOR) 4. 9V A1 WIRING - 2/4 (FRONT C. B) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D D983 E F G d t u o -27- p R350 R349 <EZ> R701 <EZ> R703 R702 a S351 S351 RT <EZ> H <EZ> I J K L r M N O <EZ> S350 R351 P Q R S S350 PTY T U WIRING - 3/4 (DECK C. B) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A DECK C. B VR B C D SW5 J1 R1 SW4 SW3 R2 C1 SW2 SW1 E F G d t u R L WHT WHT 1 DECK 1 P HEAD DECK 2 E / RP HEAD E R+ p R a r H I J K L o L+ RED BLK BLK GRY RED BLK BLK 2 3 1 R+ M E+ L L+ N WHT GRN WHT RED YEL O P GRY GRY BRN Q WHT WHT GRN RED YEL BLK BLK R 2 3 4 5 6 7 8 CNA301 CNA302 S TO MAIN C. B CN301 TO MAIN C. B CN302 T U -28- SCHEMATIC DIAGRAM -4/4 (POWER SECTION) POWER C. B d p t 3. 7VAC P-ON:11. 25V, ECO:12. 85V P-ON:210mV, ECO:12. 8V CNF-9 EZ 45. 0VAC 32. 0VAC PT, SUB BMA E u a o AC230V, 50Hz TO MAIN C. B 1/2 (DECK/AMP SECTION) WH001 VIA W099 r -29- WIRING - 4/4 (POWER C. B) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B POWER C. B AC230V, 50Hz d p t u a o C D E F G H I J K L M N C091 O P Q R r S T U -30- ELECTRICAL ADJUSTMENT -1/7 5 2 7 MAIN C. B PARTS SIDE TC942 L941 d p t SFR451 L802 L942 L953 L952 L907 18 SFR452 L905 L904 MAIN C. B PATTERN SIDE 4 24 IC801 VT GND 1 2 3 TP8 G TP9 u a o L901 6 9 L902 3 5 6 9 J203 10 L 15 16 17 18 19 DECK C. B MOTOR 12 SFR r PH RPH 15 15 -31- R ELECTRICAL ADJUSTMENT -2/7 <TUNER Adjustment> 1. VT Check (MW) Requirements · Measuring instrument: Digital multimeter Test points: VT, GND 1) Connect the digital multimeter between VT and GND. 2) Set the function to MW, and tune the receiving frequency of the unit at 1, 602 kHz. 3) Check that the digital multimeter ranges under 9 V. 4) Tune the receiving frequency of the unit at 531 kHz. 5) Check that the digital multimeter ranges above 0. 5 V. VT Adjustment (LW) Requirements: Same as above. · Adjustment point: L942 1) Connect the digital multimeter between VT and GND. 2) Set the function to FM, and tune the receiving frequency of the unit at 144. 0 kHz. 3) Adjust L942 so that the digital multimeter ranges at 1. 3 ± 0. 05 V. VT Adjustment and Check (FM) Requirements: Same as the above. ï Adjustment point: L907 1) Connect the digital multimeter between VT and GND. 2) Set the function to FM, and tune the receiving frequency of the unit at 108. 0 MHz. 3) Adjust L907 so that the digital multimeter ranges at 7. 0 ± 0. 1 V. 4) Tune the receiving frequency of the unit at 87. 5 MHz. 5) Check that the digital multimeter ranges under 0. 5 V. CLOCK Check (MW) Requirements · Measuring instrument: Frequency counter Test point: CLOCK (IC801 24PIN), GND 1) Connect the frequency counter between CLOCK and GND. 2) Set the function to MW, and tune the receiving frequency of the unit at 1, 602 kHz. 3) Check that the frequency counter ranges at 2, 160 kHz ± 45 Hz. d p t u a o r -32- ELECTRICAL ADJUSTMENT -3/7 <MW/LW Adjustment> Make the following preparations for MW/LW adjustment. Preparations ´ · Standard Signal Generator (S. S. G. ) / Loop antenna / Oscilloscope / Millivoltmeter / Dummy resistance (6y) 1) Connect the unit and measuring instruments as shown in the diagram below. 2) Position the loop antenna connected to S. S. G. [. . . ] Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME !C REF-NO PARTS-NO O O O O O O O O O O O O O O O O O O O O ST1001 ST1002 ST1003 ST1004 ST1005 ST1006 ST1007 ST1008 ST1009 ST1010 ST1011 ST1012 ST1013 ST1014 ST1015 ST1016 ST1017 ST1018 ST1019 ST1020 SF-513-889-000 SF-513-888-000 SF-K32-T32-000 SF-D58-H13-000 SF-D58-K13-000 SF-D53-M51-000 SF-K32-U12-000 SF-K32-V12-000 SF-D56-GS3-000 SF-D52-W51-000 SF-G11-414-000 SF-J11-131-000 SF-J11-135-000 SU-J16-F11-000 SF-514-135-000 SF-612-252-000 SF-567-700-000 SF-J11-130-000 SF-F19-S31-000 SF-R26-C11-000 PARTS-NAME PLATE HD BLK PLATE HD BLK SPRING HB ARM INTERLOCK L ARM INTERLOCK R REEL FEATHER SP REEL (L) SP REEL (R) REEL BASE REEL BASE SCREW, PAN SW 2. 6X5 ZN PW, 4. 1X0. 13 PW, 4. 1X0. 25 PW, 1. 75X0. 4 ROLLER PINCH R BLK CHASSIS BASE BLK PWB CONTROL BLK PW, 2. 6X0. 25 F/R BELT ASSY F/W a a a a a a a a a a a a a a a a a a a a SUFFIX&MODEL CMAT6Z2(1+1)ALPS d p t O O O X O O O O O O O O O O O O O O O O ST1021 ST1022 ST1023 ST1024 ST1025 ST1026 ST1027 ST1028 ST1029 ST1030 ST1031 ST1032 ST1033 ST1034 ST1035 ST1036 ST1037 ST1038 ST1039 ST1040 O ST1041 SF-D53-K52-000 SF-F19-N22-000 SF-525-349-000 SW-G58-H03-000 SF-D60-L12-000 SF-K35-K14-000 SF-522-063-000 SF-D60-B15-000 SF-J11-117-000 SF-D58-T12-000 SF-C65-W21-000 SF-K35-E14-000 SF-K32-R21-000 SF-D61-C14-000 SF-D59-F12-000 SF-D58-P15-000 SF-765-295-000 SF-L41-S22-000 SF-K34-Y11-000 SF-R26-D11-000 PLAY GEAR (A) MAIN BELT MTR MAIN BLK 2 CORE JUMPER LEAD FF GEAR (E) CAM SP CLUTCH ASSY BLK PULLEY F/R WASHER 1. 7X0. 25 LEVER BRAKE LEVER F/R SP ARM F/R SP ARM PLAY CAM GEAR BUSH ARM PLAY SOLENOID BLK PLANGER B/C SP ASSY F/W SF-F19-N31-000 MAIN BELT u a o CMAT6Z2(1+1)ALPS a a a a a a a a a a a a a a a a a a a a CMAT6Z2(1+1)ALPS a r -49- GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) -1/1 Type. 1 Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker unit and then remove the speaker units. Type. 4 TOOLS 1 2 3 Plastic head hammer ( ) flat head screwdriver Cut chisel Type. 2 Remove the grill frame and four pieces of rubber caps by pulling out with a flat-bladed screwdriver. [. . . ]