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Содержание DC-F170

Страница 1: ...ave max 790 nm 20 Hz 20 000 t Z Below measurable limits This service manual consists of DC F170U main unit RB D9 remote control SX F170 speaker system DC F170 AU u PRODUCT CODE No 129 502 05 AMPLIFIER SECTION Output power Inputs outputs 15WX2 at 4 ohms 10 distortion VIDEO 400 mV 50k ohms SPEAKER 4 ohms Power requirements Power consumption mensions WXHXD Weight SPEAKER SYSTEMS Type LJnit used PHONE...

Страница 2: ...S OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE 1 LASER OUTPUT 0 6 mW Max CW WAVELENGTH 790 nm I CAUTION INVISIBLE LASER RADIATION WHENOPENAND I INTERLOCKS DEFEATED AVOID EXPOSURE TOBEAM ADVARSEL USYNLIG LASER STR LING VED BNING NiiR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION UNDGA UDS HTELSE FOR STRALING VARNIN6 OSYNLIG LASER ...

Страница 3: ...he rear of the unit This screw is used to secure the CD mechanism during shipment and should be retained for the future use SHIPPING SCREW GREEN ARROW 412 055 5204 CATTION LABEL 614 286 4159 2 3 4 POWER o Before transportation Turn on the power and remove all discs from the unit Turn the POWER OFF The STANDBY indicator lights Then unplug the power cord from the AC outlet Reinstall the shipping scr...

Страница 4: ... e o I e a 1 2 3 f b 1 2 3 4 Press the POWER button and check that the STANDBY LED lights P Disconnect the power cord s plug from the electrical outlet All wiring should be returned to the original position after work is completed First have ready many the new FIXERS 61 4129 2496 be f for replacement Arrange the lead wires so that they are not near the heat sink A CABINET Remove the 10 rear panel ...

Страница 5: ...oval the AC power socket mounting screw Remove the 4 power transformer mounting screws r d 8 l h 3 d CHASSIS 1 Removal the 3 TUNER AMP CD P W Board mounting screws 0 2 Removal the TUNER AMP CD P W Board 3 Removal the FRONT P W Board 4 4 Removal the 2 CD mechanism mounting screws n 3 l P W B l H 7 4 ...

Страница 6: ...DC voltmeter A Tuning Connect to Digital 87 5 MHz Low end L2102 1 1 to 2v 1 DC voltmeter coverage TP 241 H TP 242 G 108 0 MHz High end lessthan9 5V Connect to VTVM TP 231 H 90 0 MHz 90 0 MHz L2101 2 Tracking FM Antenna Max SG 8dB N or TP 232 H TP 233 G 106 0 MHz 106 0 MHz SG Modulation 1 000 Hz 307 b ADJUSTMENTS OF AM BAND IRE Loop Antenna Adjusting Connections Step SG Frequency Position of Circui...

Страница 7: ...ded in the disc trays 522 k y OPEN SWITCH SW1 1 L Y SLED MOTOR 722 muIUK 3do _FJ SPINDLE MOTOR 701 6 DISC 1 DISC 2 DISC 3 UP I DOWN MOTOR 624 b 1 a FUNCTION OPEN CLOSE The rotation of the OPEN CLOSE MOTOR rotates the OPEN CLOSE IDLER GEAR via the BELT and PULLEY and the RACK GEAR which is intermeshed with the OPENICLOSE IDLER GEAR moves forward during OPEN backwards during CLOSE CLOSE END SWITCH 5...

Страница 8: ...ith normal OPEN CLOSE raise the GEAR BLOCK BRACKET stop at the selected TRAY hold the TRAY GUIDE by means of the OPEN CLOSE RACK and save the other TRAY GUIDES i UPIDOWN CAM GEAR 1 ti02 I14 cm I 1 I J SENSOR P W B 651 The OPEN CLOSE motor starts running the OPEN CLOSE RACK moves foward the TRAY LOCK LEVER is raised to lock the TRAY and the OPEN o eration commences r SAVE 4 TRAY GUIDE 586 W6ii J UP...

Страница 9: ...R OPEN CLOSE TRAY LOCK TRAY RELEASE 2 LOADING a The rotation of the LOAD UNLOAD MOTOR rotates the LOADAJNLOAD DRIVE GEAR 552 in the clockwise direction b The DRIVE GEAR and the gear portion of the together and the TRAY movers backwards c The completion of TRAY movement TRAY mesh caus MOTOR to operate and lower the TRAY HOLDER 560 putting the unit to chucking stayus d b LOAD LJNLOAD CAM GEAR 554 8 ...

Страница 10: ... in the counter clockwise direction moves forward and at the same time the RIGHT SLIDE 57 5 i TRAY HOLDER 560 1 I 7A DRIvE GEAR 2 606 flzy q lv s SYNCROLEVER 632 UPfCOWN CAM GEAR 1 602 UP DOW DOWN IDLER 2 609 605 UP OOWN 10LER 1 6JJ7 UP O WN MOTOR 624 uP DOW ORIVE 605 uP DOWN MOTOR 624 P UP DOWN 10LER 1 607 UP DOWN DRIVE GEAR 2 L ODWN 10LER 2 609 606 uP DOWN CAM GEAR 2 603 TRAY HOLDER SLIDE RIGHT ...

Страница 11: ...COURAGE A CHUCK BRACKET MECHANISM 2 Rotate the UP DOWN CAM GEAR 602 and position the 3 Remove the three TRAYS through the gap at the back collar part of the TRAY HOLDER visible from the RIGHT SLIDE at the midpoint between the CHUCKING and TRAY 3 TRAY ASS Y 585 RIGHT SIDE DISC PPER BR A T I I 1 1 1 5 14 RIGHT SLIDE 575 o D 1 0 n q CENTER I 1 4 bL TRAY3 CHUCKING r 1o ...

Страница 12: ...TRAY HOLDER from the hole in the GEAR BLOCK BRACKET 2 Turn the UP DOWN CAM GEAR 602 counterclockwise as far as it will go and remove the SCREWS 533 x 2 639 641 3 Remove the five setscrews of the LEFT TRAY GUIDE HOLDER and remove it in the direction of the arrow 4 When assembling the parts align the TRAY SLIDE 640 and UP DOWN DRIVE GEAR 606 UP DOWN GEAR 606 MARK TRAY SLIDE 640 _ Illo R 11 ...

Страница 13: ... Ii CD CHANGER REPLACEMENT d LEFT SIDE BRACKET OF THE LUBRICATION jNote EM 5QL MOLYKOTE EM 50L SG 7 SAN GREASE SG 7 G 474B FLolLolL G 474B j e UP DOWN CAM GEAR f LOAD UNLOAti GEAR fF 12 ...

Страница 14: ...E AND UP DOWN DRIVE GEAR 603 Slide the TRAY SLIDE forward until it goes no further Align the round mark on the UP DOWN DRIVE GEAR with the mark area on the TRAY SLIDE and install Align the shorter flat part of the UP tiWN CAM GEAR 603 and install Set the parts in such a way that the round marks on the two GEARS 606 603 are horizontal 13 LONG ...

Страница 15: ...r mark through the hole through which the UPiDOWN CAM GEAR teeth are visible Secure the SCREW of the SENSOR and GEAR I I M RK Set the parts in such a way that the round marks on the two GEARS 606 603 are horizontal t 1 UP DOWN MOTOR 2S m k TRAY HOLDER SLIDE CHASSIS 618 WV j 2 There are two types UP DOWN MOTOR 624 which have been used Ll e These UP DOWN MOTOR 624 can be used not interchangeably 4 I...

Страница 16: ...NGREASE SG 7 G 474B FLOIL OIL G 474B i CD LUG 1 TUNER AMP CD PW B 1 1 4 1 MECHANISM CD BASE MECHANISM t c PLUS MARK PLUS MARK I I I I L L SENSOR I WB IG SPINDLE MOTOR SLED RETARD GEAR l SLED RETARD GEAf 2 RACKC EAR SLED GEAR I A GREASE G L7L B L SLED MOTOR a Q e SPINDLE ISLED MOTOR P W B e 15 ...

Страница 17: ...pindle motor s shaft To clean them use a soft cloth soaked in isopropyl alcohol Appfy a small amount of a mixture of the Three Bond 2001 and 2015F bonding materials to the motor s shaft Install the turntable as shown in the figure Secure the turntable by pressing gently Be sure to wipe away by using a piece of cloth or similar material any bonding material coming out of the hole Replacing the pick...

Страница 18: ...L CN102 L TPI RF vR101 TP2 FE fW G TP3 TE TPf VC TEST POINT OPEN CLOSE MEMORy MODE d I I I 1 FRONT P W B c ADJUSTING THE SERVICE MODE TRACKING BALANCE 1 While short circuiting JUMPER J2576 and J2577 with the tweezers simultaneously press the MODE switch 2 Within 1 second after pressing the MODE switch cancel the short circuit of JUMPER J2576 and J2577 and press the MEMORY switch STEP JUMPER WIRE S...

Страница 19: ...nd J2577 with the tweezers simultaneously press the MODE switch Within 1 second after pressing the MODE switch cancel the short circuit of JUMPER J2576 and J2577 and press the MEMORY switch SERVICE MODE Tracking balance PLAY PAUSE switch push ON Adjust VR101 so that the oscilloscope s waveform is symmetrical as shown in the illustration To cancel service mode disconnect the power cord s plug from ...

Страница 20: ...e to clean the heads before attempting to make any adjustments Be sure both channels 1 and 2 TE are the same level Using a dual channel oscilloscope All wiring should be returned to the original position after work is completed Head azimuth PLAY HEAD jy RED wHITE TAPE A 1 2 3 4 Load a test tape VTT 738 etc 10 kHz for azimuth adjustment Press the PLAY button Use a flat tip screwdriver to turn the s...

Страница 21: ...at the frequency reading of 3 000 Hz 4 Press STOP button MOTOR SPEED SVR 01 c CHECKING THE MECHANISM TORQUES Clean the head capstan and pinch roller before making any measurement TAPE A B Measurement Take up torque Back tension Tape tension Cassette for PLAY TW 2111A PLAY TW 2111A Drive power cassette measurement F FWD REW lW 2231 TW 2412 PLAY 30 60 gr cm 2 0 5 0 gr cm 60gr or more F FWD REW 55 12...

Страница 22: ...EXPLODED VIEW CABINET CHASSIS Yy4 V l J 21 ...

Страница 23: ...11 020 89o5 SCR S TPG BRZ FLG 3X1OMM TAPE MECHANISM PARTS LIST Ref No Y16 Y17 Y21 Y22 Y31 Y32 Y33 Y34 Y35 Y36 ELECTRI Ref No 61 62 63 CM121 cm131 CI 431O or cr4311 31 2 313 04 rU JER Ref No 71 C1601 C2153 C2463 C4930 C4933 C4940 Culol CU102 CN103 CU104 C 4105 CM201 CU417 C A420 CN421 CN422 CN4Z3 CW424 CW425 CM426 Part No Description 411 OZO B905 ISCR S TPG BRZ FLG 3X1 OMM TUNER AMP CO PuB 411 020 ...

Страница 24: ...16 3 CL ON an Cl 3dVl I t AlddflS M3MOd 9Md ASSVl b9SS b8Z 19 I 21 uo ld x aa ON Ved ON JaM ASSV CiHV08 M d AlddflS li3MOd 1S17 SIHVd tint 1 uon7aN Z09E 900 st9 Hnl l No13naNI Z09S 900 Sb9 ZHX9 t 31wv833 3S0 b oo 010 b9 ZHW 9L 01 31wvH 33 83s I0 8s10 Z1O Sb9 ZHX 059 u31113 ZCbb 8bZ b19 ZHWOL OI 1131114 31 WVti33 S99L 010 b9 ZHWOL O1 U31113 31wvu33 S99L 010 St9 W4 21 B31114 S 01 2S2 b19 zHwz L lVls...

Страница 25: ...041 645 017 5916 645 017 5916 614 215 5561 645 013 7532 Descric i n SWITCH TACT OPEN CLOSE SWITCH PUSH 1P IT SWITCH TAC1 SWITCH TACT VOLUME UP SWITCH PUSH lP lT SWITCH TACT SWITCH TACT VOLUME 00WN SWITCH PUSH lP lT SWITCH TACT SHE ET LCO L3LUE SHEET LCO WHITE VR SLIOE 50 KAX2 8ASSXPANDER VR SLIDE 50 KAX2 8ASSXPANOER RESONATOR CERAMIC 4 19MHZ OSC CERAMIC 4 19 MHZ OWER SWITCH P W BOARD ASSY Ref No P...

Страница 26: ...I 1 sol l 508 1 i 1 I b i 1 I ...

Страница 27: ... 652 CN191 192 or CNi93 or CN194 or CN195 or CN196 or D BAS Ref No 701 701 1 701 2 701 3 701 4 701 5 701 6 702 703 or 704 705 706 707 708 709 710 711 712 722 ECTOR P W BO Part No 614 267 6646 645 006 0915 645 009 6440 645 004 2706 645 014 9B25 645 006 0939 645 009 6464 645 006 0922 645 009 6457 645 006 0915 645 009 6440 645 006 0953 645 009 64B8 MECHANISM F Part No 614 270 2031 614 26B 3354 411 04...

Страница 28: ...l 3P1 VI Cbl Ztl Itl L70tl Votl 6S1 8CI LF1 ON Jati 9 3dV1 3 M3A31 3SllVd 8 3dVl 9NILldS 10M1NOJ 3SIlVd E 3dV1 M3A31 NOlLn9 3SnVd M3A31 NO11O8 133 C3 dOIS M3A31 NOllnE 44 I13A31 NOlln8 M38 U3A31 NOlLn8 AVld 8 3dV1 H3A31 NOllnS 0H033M MOIVnlYd NOILnfi HSnd U3A31 X31X 133L 3 HOlVn13V H311MS 133M dfl 3XV1 l10SN3S ASSV 133U dn 3XV1 9NIMdS NO ISNi 1 Y3V13 ASSV 133U A1ddnS t13ddOlS 08033 il AW7d ASSV 3S...

Страница 29: ...5 L78M05 or NJM7805FA REGUIATOR Ic301 TA8189N PRE AMP M4al P lam At R NF 0 3 OU1 Tam B v CG O Jr NF chzl B a m ch21A ALC chl 1A GNO chl18 R 1 NF U tat h bill GNDI M114 fi NF our Oul Oln OUT IC425 TC4052BP F NCTION 4 INHIBIT 161 u I Truth Table H A IO BINARY TO I 14 OECOOEU WITH INHIBIT B 9I I INHIBIT IAIB ON SWITCH ICI06 NJM4558D or LA6458D OP AMP i 1 cz b I C G 4 17 L L L Xo Yo 1 A OUTPLJrr 2 A I...

Страница 30: ... WC L I ...

Страница 31: ...i I m v I I m 3 a I 0 c1 cd Q f b L i 0723 Im I u l I ix u z 2 i ...

Страница 32: ... sQ m7 _ _ I _ 1 1 11 _ M31ms C w01 6 0 3 0 r 0 0 0 a 0 E it c I I1 I TN I L _ _ _ Ik _ _____ _ __ ...

Страница 33: ...ii __________________ kl d 1 I I I ...

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Страница 37: ...ed 62 EM H o Stays H or playback dtsc prov ded wtth emohasm or L for that wtthout emohasis 21 SPOD I Not used 22 XLON o Interface Ior extension of M processor outpul Focus OK signal input pin 23 FOK I Used servo auto seauencer wdh SENS outcwi E 63 64 65 66 EIJPHI I De emphasw ON OFF of DAC H at ON L at OFF wFCK o Not used ZEROL o Outputs deteciton for non sound dala H at detectton for non sound da...

Страница 38: ... 1N3w93S 037 0 993s 99 3dV1 H 3N17 1 CJ 1 M3NflL 1 6 N01L Ni14 0 RJN 13 l z L 1N3W 335a 1 0 193s 59 jN H 0 V 3Nflf Ez H 36VL 1 M3NOL l V N011JNn3 lVNWS 10 U1MO3 M3M0d 13SRl dSa 03 37 0 Ilol 6935 129 I I 1 t M m c l l 6L 0 9 6P 0 Sz SZ 26 Z6 52 Sz 9 9 SZ dOLS 0 2 Z Sz 5Z Sz 26 26 2 92 Z Sz AV d Lz 9Z Sz Z Cz Zz Lz 02 6L SL IL 9L Sz C6 9 9 52 ON d 2 0 9 0s C6 Sz Sz 0 Z dOLS 5Z Z 0 I 9t Z Szlo 89 0s ...

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