Aiwa CX-NHG2MD Service Manual Download Page 22 | Manualshive

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SCHEMATIC DIAGRAM 4 (PT)

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Summary of Contents for CX-NHG2MD

Page 1: ...R HG2MD K EZ S M Code No 09 00B 437 4N2 If requiring information about the CD mechanism see Service Manual of AZG 1 YSB3RMDM S M Code No 09 001 335 3NE If requiring information about the MD mechanism...

Page 2: ...conductor laser 780 nm D A converter 1 bit dual Signal to noise ratio 85 dB 1 kHz 0 dB Harmonic distortion 0 05 1 kHz 0 dB Wow and flutter Unmeasurable SPECIFICATIONS MD recorder section Scanning meth...

Page 3: ...pecificeras i denna bruksanvising kan anv ndaren uts ttas f r osynling laserstr lning som verskrider gr nsen f r laserklass 1 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION Use of control...

Page 4: ...power 2 2 2 2 2 Confirm that the main power is turned on and the HOLD terminal of the MICROCOMPUTER keeps the H level or not 3 3 3 3 3 When the HOLD terminal is L level the abnormality detection circ...

Page 5: ...ends of the electrolytic capacitor C113 that is connected to VDD of the MICROCOMPUTER with tweezers 3 3 3 3 3 Connect the AC power cord again If the MICROCOMPUTER returns to the normal operation the M...

Page 6: ...emove the two screws A S SCREW MDT two screws B S SCREW MD and four screws C VTT 3 4 Remove the four FFCs from the connector and remove the MD MECHANISM in the direction of the arrow AZG H A A A A MD...

Page 7: ...7 5 W O MFZN2C and remove the HEAD and OWH RF325 74A in the direction of the arrow 5 Open the ZZG D in the direction of the arrow a remove the BOSS by pressing it gently in the direction of the arrow...

Page 8: ...ly in the direction of the arrow Set up the mechanism so that the reference holes of CAM LOAD are positioned closest to the shaft of LEVER SW H Let the CAM and LOAD engage with the teeth of GEAR IDLER...

Page 9: ...CH C110 87 012 156 080 C CAP S 220P 50 CH C111 87 010 260 080 CAP ELECT 47 25V C112 87 010 260 080 CAP ELECT 47 25V C113 87 A10 946 080 C CAP S 220P 100 CH C114 87 A10 946 080 C CAP S 220P 100 CH C119...

Page 10: ...140 080 C CAP S 470P 50 C874 87 010 405 080 CAP ELECT 10 50V C875 87 010 196 080 CHIP CAPACITOR 0 1 25 C876 87 010 405 080 CAP ELECT 10 50V C877 87 010 197 080 CAP CHIP 0 01 DM C878 87 010 316 080 C...

Page 11: ...S 0 047 50F C455 87 010 404 040 CAP E 4 7 50 SME C456 87 010 404 040 CAP E 4 7 50 SME C601 87 010 384 040 CAP E 100 25 SME CN101 87 099 720 010 CONN 30P TYK B P CN151 87 A60 054 010 CONN 14P V 9604S...

Page 12: ...2SC3331 S D G CSD1306E KRA102 KRA107 KRC104 KRC107 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...

Page 13: ...13 IC BLOCK DIAGRAM...

Page 14: ...14...

Page 15: ...WIRING 1 MAIN 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 15 A B C D E F G H I J K L M N O P Q R S T U...

Page 16: ...16 SCHEMATIC DIAGRAM 1 MAIN 1 2 FUNCTION TAPE P SUPPLY P AMP SECTION...

Page 17: ...17 SCHEMATIC DIAGRAM 2 MAIN 2 2 TUNER SECTION...

Page 18: ...WIRING 2 FRONT 1 2 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 18 A B C D E F G H I J K L M N O P Q R S T U...

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

Page 20: ...20 SCHEMATIC DIAGRAM 3 FRONT...

Page 21: ...WIRING 3 PT 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 21...

Page 22: ...22 SCHEMATIC DIAGRAM 4 PT...

Page 23: ...WIRING 4 DECK 23 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...

Page 24: ...24 FL 11 BT 177GNK GRID ASSIGNMENT ANODE CONNECTION PIN CONNECTION GRID ASSIGNMENT...

Page 25: ...25 ANODE CONNECTION PIN CONNECTION...

Page 26: ...21 O CDRW O Output for CD read write 22 I DIS SENS I Input for CD turn table photo sensor 23 I CDSW I Input CD mecha switch 24 I TU SIG I RDS SIG I Input tuner RDS signal 25 I TP_SW I Input deck mech...

Page 27: ...N OFF 81 O XLT O Output latch 82 O KSCAN O Output key scan timing 83 O CD OPEN O Output CD tray open 84 I IFC I SUBQ I Input tuner IFC CD SUBQ detection 85 O DISH FWD O Output turn CD table to forward...

Page 28: ...144kHz TC942 290kHz Method Set up TC942 to center before adjustment The level at 144kHz is adjusted to maximum by L941 Then the level at 290kHz is adjusted to maximum by TC942 6 AM IF Adjustment Setti...

Page 29: ...the 315Hz signal is 0dB 4dB 4 REC PB Frequency Response Check Deck 2 Settings Test tape TTA 602 Test point TP8 Lch TP9 Rch Input signal 1kHz 8kHz 20Vu Method Apply a 1kHz signal and REC mode Then adju...

Page 30: ...TEST appears on the display 2 How to Cancel CD Test Mode Exit the CD test mode by any of the following procedures Press the function button except the CD function button Press the power button Disconn...

Page 31: ...After starting up the test mode press the STOP button to switch to the servo standby mode Indication ALL SVoFF Change from the servo standby mode to other modes When the STOP button is pressed in each...

Page 32: ...d 2 After checking press the STOP button to return the display to ALL SVoFF 9 3 Checking the Focus Servo 1 Insert a disk 2 Press the MODE button and set the servo mode according to the inserted disk a...

Page 33: ...3 Adjust LASER 11 using the B SKIP and F SKIP buttons and press the ENTER button 4 Measure the pickup laser output using the laser power meter and check that it is about 0 68mW 5 After adjustment pre...

Page 34: ...ues of I E are within the range shown below hexadecimal I 14 to 19 E 09 to 15 5 Press the DISPLAY button once again Confirm that the values of f t s are within the range shown below hexadecimal f 1A t...

Page 35: ...TOC User TOC Do this procedure only when the UTOC needs to be deleted because UTOC ERROR or other message is displayed when inserting the recorded disk 1 Insert the disk whose UTOC is to be deleted 2...

Page 36: ...1 4 5 8 9 29 27 28 30 31 34 35 37 36 39 32 33 26 25 24 21 22 23 40 19 20 16 18 17 7 6 13 12 11 10 15 14 2 3 3 C A A A A B A A A A A C A E C A A A A A A A G F A E B D ZZM 2 CHAS MAIN P W B FL P W B 38...

Page 37: ...L TRAY S 15 87 CE3 023 010 BADGE AIWA 30N SILV 16 8A NFA 063 010 PANEL LEFT V 2 17 86 NFZ 001 010 WINDOW TOP 18 8A DBA 025 010 PANEL TOP V 2 R 19 8A DBA 016 010 KEY POWER 20 8A DBA 012 010 KEY GEQ 21...

Page 38: ...12 13 13 16 17 19 20 21 22 24 23 26 27 18 28 25 29 55 54 30 31 32 1 34 35 36 38 39 40 41 43 44 45 46 49 48 42 50 53 53 1 2 3 4 5 6 15 14 24 26 27 28 25 29 55 54 37 37 33 33 1 a b a b 34 61 38 39 60 40...

Page 39: ...8 8Z ZM1 207 010 LEVER FF 29 8Z ZM1 206 010 LEVER REW 30 8Z ZM1 210 010 LEVER REC 31 87 A90 404 010 HEAD EH LE15B 32 8Z ZM2 218 010 LEVER REC LOCK ZZM 2 33 87 A91 492 010 SW LEAF MSW18560 34 8Z ZM1 22...

Page 40: ...tall it turning to clockwise direction until click sound comes out Remove the grill frame and four pieces of rubber caps by pulling out with a flat bladed screwdriver Remove the screws from hole where...

Page 41: ...8A NSK 602 010 SPKR W 140 YSC9 4 8A NSK 606 010 SPKR T 60 YSC9 5 87 NSH 612 010 SPKR CERAMIC ASSY YSC9 6 87 NS7 611 010 CORD SPKR 7 8A NSL 602 010 SPKR 120 YSC ACCESSORIES PACKAGE LIST DESCRIPTION REF...

Page 42: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 912204 0251431...

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