Hitachi HTA-DD1E Скачать руководство пользователя страница 25 | Manualshive

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SM0102

TUNER / VOLUME CIRCUIT

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Содержание HTA-DD1E

Страница 1: ...n SERVICE MANUAL MANUEL D ENTRETIEN WARTUNGSHANDBUCH Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifications en vue de perfectionner le produit Die in diesem Wartungshandbuch enthaltenen Spezifikationen können sich zwecks Verbesserungen ändern September 2000 AV SURROUND RECEIVE...

Страница 2: ...e without danger of electrical shock The service technician must make sure that no protective device built into the instrument by the manufacturer has become defective or inadvertently damaged during servicing CE MARK 1 HITACHI products may contain the CE mark on the rating plate indicating that the product contains parts that have been specifically approved to provide electromagnetic compatibilit...

Страница 3: ...ohms or more SAFETY PRECAUTIONS The following precautions should be observed when servicing Since many parts in the unit have special safety related characteristics always use genuine HITACHI replacement parts Especially critical parts in the power circuit block should not be replaced with other makers Critical parts are marked with a in the circuit diagram and printed wiring board Before returnin...

Страница 4: ...V 7V standard video jacks Input output level and impedance 1 Vp p 75 W ohms Frequency response 5 Hz 10 MHz 1 3 dB 15 FM note µV at 75 W ohms 0 dBf 1 10 W AM Receiving range 87 50 MHz 108 MHz 0 05 MHz step 522 kHz 1611 kHz 9 kHz step E EBS 522 kHz 1611 kHz 9 kHz step W WUN 520 kHz 1710 kHz 10 kHz step W WUN Usable sensitivity 1 0 µV 11 2 dBf 18 µV 50 dB quieting sensitivity MONO 1 6 µV 15 3 dBf STE...

Страница 5: ...plate SERVICE POINTS 1 Removal of Top Cover a Remove 4 screws 2 from the rear plate b Remove 2 screws 1 from each side 2 Removal of the Rear Plate a Remove 23 screws 3 and 1 screw 4 from the rear plate b Remove 5 screws from the Bottom Chassis Fig 1 Fig 2 ...

Страница 6: ...is remove 2 screws 5 connect to the heat sink Fig 5 b Remove 4 screws 6 and pull the transformer upward together with the Power PWB section 5 Removal of Power PWB Board a Remove 1 screw 7 from the Bottom Chassis at the side b Release board from its 3 holding claws PWB SUPPORT and gently pull the board free 6 Removal of Main PWB Board a Detach Flat cable from FL PWB Board b Remove 6 screws 8 to rel...

Страница 7: ...and remove 4 screws b Remove the Master Vol Bass Treble Knob before remove the Front panel 9 Removal of Inner Panel Power Switch Phone Jack and FL PWB a Release the inner panel from the Bottom Chassis by remove 1 screw Fig 5 and 2 screws b Remove 11 screws and 3 nuts to release the FL board c Remove 2 screws to release the Power Switch d Remove 2 screws to release the Phone Jack Fig 5 Fig 6 ...

Страница 8: ...17 x 4 10 Removal of Foot a Remove 4 screws to remove foot Fig 7 ...

Страница 9: ...ncy Adjust Reading FM Antenna R22 DC Balance Meter 98 1MHz T4 0 30mV 1kHz 60 dBµ 22 5kHz dev Band Destination Frequency Specification Note Limit V Average V FM 50 kHz step 87 50 MHz 1 3 3 7 2 3 E EBS W WUN 108 00 MHz 6 0 9 0 7 5 AM 10 kHz step 520 kHz 0 9 1 2 1 0 W WUN 1 710 kHz 6 0 9 0 7 5 9 kHz step 522 MHz 0 9 1 2 1 0 E EBS W WUN 1 611 kHz 6 0 9 0 7 5 R22 DC balance meter TEST PT BL1 R51 ...

Страница 10: ...ter volume min Temperature 15 30 C Reading SPEC 1 POWER ON AFTER ONE MIN 0 5 2 0 mV 2 STABLE Æ 1 HOUR 0 8 8 mV IF THIS IDLING VOLT 0 4 mV R625 SURROUND LEFT R626 SURROUND RIGHT R529 FRONT LEFT R530 FRONT RIGHT R416 CENTER NEED TO CUT AWAY IF 2 1 mV NEED TO ADD ABOVE RESISTOR IF DON T HAVE ABOVE RESISTOR C522 L501 JP513 10K Ð 10K JP514 K426 10K Ð 10K R429 L401 RY401 JP407 10K Ð 10K R639 10K Ð 10K R...

Страница 11: ...SM0102 WIRING DIAGRAM ...

Страница 12: ......

Страница 13: ...SM0102 TUNER PCB ...

Страница 14: ...SM0102 SURR PCB ...

Страница 15: ...SM0102 DSP PCB ...

Страница 16: ...SM0102 FL PCB ...

Страница 17: ...SM0102 POWER PCB ...

Страница 18: ...SM0102 VIDEO PCB ...

Страница 19: ...SM0102 SPJK PCB ...

Страница 20: ...SM0102 SW H P PCB ...

Страница 21: ...SM0102 DIGITAL IN PCB ...

Страница 22: ...SM0102 MAIN CIRCUIT ...

Страница 23: ...SM0102 DISP TONE CIRCUIT ...

Страница 24: ...SM0102 SURROUND MAIN AMP CIRCUIT ...

Страница 25: ...SM0102 TUNER VOLUME CIRCUIT ...

Страница 26: ...SM0102 DSP CIRCUIT ...

Страница 27: ...SM0102 POWER SUPPLY VIDEO CIRCUIT ...

Страница 28: ......

Страница 29: ... WUN VOLTAGE SELECTOR W WUN 45 2 48 41 43 19 46 36 37 42 33 15 14 16 13 FL DISP PWB 44 20 11 29 12 21 32 32 B B 22 23 B A B A 5 26 27 17 35 50 24 TRANSFORMER 7 POWER CAUTION 6 6 2 4 3 49 25 E EBS E EBS 45 TUNER P W B VIDEO P W B DSP P W B 10 8 9 MAIN P W B 34 18 1 1 A A A A 1 1 31 30 28 ...

Страница 30: ...0PF J 50V E EBS C124 0893133R CHIP CAP 39CH 330PF J 50V E EBS C125 0893133R CHIP CAP 39CH 330PF J 50V E EBS C126 0893133R CHIP CAP 39CH 330PF J 50V E EBS C127 0893133R CHIP CAP 39CH 330PF J 50V E EBS C128 0893133R CHIP CAP 39CH 330PF J 50V E EBS C129 0893135R CHIP CAP 39CH 470PF J 50V E EBS C130 0893135R CHIP CAP 39CH 470PF J 50V E EBS C131 0893232R CHIP CAP C1608 0 1µF 25V C132 0893232R CHIP CAP ...

Страница 31: ...00003Y ELECT CAP SSL 1µF 50V PRODUCT SAFETY NOTE Components marked with a have special characteristics important to safety Before replacing any of these components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO C238 H240068 AXIAL CAP F 100000PF Z 50V W WUN C240 0800018Y ELECT CAP SSL 10µF 50V C241 0800018Y ELECT CAP SSL 10µF 50V C242 0800018Y E...

Страница 32: ...ng any of these components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO C474 0893242R CHIP CAP 39F 22000PF Z 50V C501 0800026Y ELECT CAP SSL 22µF 50V C502 0800026Y ELECT CAP SSL 22µF 50V C503 0800018Y ELECT CAP SSL 10µF 50V C504 0893119R CHIP CAP 1608 33PF J 50V C505 0893119R CHIP CAP 1608 33PF J 50V C506 0880003R MYLAR CAP 0 01µF K 50V AMZ T...

Страница 33: ... 10000PF Z 50V C704 0800048R ELECT CAP UVX 100µF 10V C705 0893232R CHIP CAP C1608 0 1µF 25V C706 0800053Y ELECT CAP SSL 100µF 50V C707 0893239R CHIP CAP 39F 10000PF Z 50V C708 0800064R ELECT CAP SME 330µF 6 3V C709 0225041R CHIP CAP CH 1608 30PF J 50V C710 0893208R CHIP CAP 39B 1000PF K 50V C712 0893239R CHIP CAP 39F 10000PF K 50V C713 0800064R ELECT CAP SME 330µF 6 3V C751 0890048M AXIAL CAP UVX ...

Страница 34: ...ety Before replacing any of these components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO R34 0700071Q RES CAR 1 16W 180KJ E EBS R35 0700067Q RES CAR 1 16W 100KJ W WUN R35 0700069Q RES CAR 1 16W 150KJ E EBS R36 0700047Q RES CAR 1 16W 3 3KJ R37 0700054Q RES CAR 1 16W 10K R38 0700067Q RES CAR 1 16W 100KJ R39 0700044Q RES CAR 1 16W 1 8KJ R40 070...

Страница 35: ... CHIP RES 1 16W 300 J R201 0790046R CHIP RES RNC 1 16W 4 7K J R202 0196039R CHIP RES 1 16W 75J R203 0790024R CHIP RES RNC 1 16W 100 J R204 0790042R CHIP RES RNC 1 16W 2 2K J R205 0790059R CHIP RES RNC 1 16W 47K J R221 0790051R CHIP RES RNC 1 16W 10K J R222 0790051R CHIP RES RNC 1 16W 10K J R223 0790051R CHIP RES RNC 1 16W 10K J R224 0790051R CHIP RES RNC 1 16W 10K J R229 AT01228T FUSE RES NB 27 J ...

Страница 36: ...lacing any of these components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO R339 0700041Q RES CAR 1 16W 1KJ R340 0700041Q RES CAR 1 16W 1KJ R341 0700067Q RES CAR 1 16W 100KJ R342 0700027Q RES CAR 1 16W 100J R343 0700049Q RES CAR 1 16W 4 7KJ R344 0700047Q RES CAR 1 16W 3 3KJ R401 0790046R CHIP RES RNC 1 16W 4 7K J R402 0790056R CHIP RES RNC 1 ...

Страница 37: ... AT01208R CAR RES FR 1 4W 4 7 J R536 AT03703R FUSE RES 1 4W 4 7J RF25SVTPA R537 AT01191R RES METAL FILM 1 4W 1 0J R538 AT01191R RES METAL FILM 1 4W 1 0J R539 AT01257R FLAME RETARDENT RES 1 4W 330 J R540 AT01257R FLAME RETARDENT RES 1 4W 330 J R541 AT01191R RES METAL FILM 1 4W 1 0J R542 AT01191R RES METAL FILM 1 4W 1 0J R543 AT01012R FLAME RETARDANT RES 1W 0 22 J R544 AT01012R FLAME RETARDANT RES 1...

Страница 38: ...16W 100K J R648 0790064R CHIP RES RNC 1 16W 100K J R649 0790069R CHIP RES RNC 1 16W 270K J R650 0790069R CHIP RES RNC 1 16W 270K J R651 0790055R CHIP RES RNC 1 16W 22K J R652 0790055R CHIP RES RNC 1 16W 22K J R653 AT01217R FLAME RETARDENT RES 1 4W 10 J R654 AT01217R FLAME RETARDENT RES 1 4W 10 J R655 AT01056R FLAME RETARDENT RES 1W 10 J R656 AT01056R FLAME RETARDENT RES 1W 10 J R657 0196100R CHIP ...

Страница 39: ...K J R842 0790059R CHIP RES RNC 1 16W 47K J R844 0790046R CHIP RES RNC 1 16W 4 7K J R845 0790051R CHIP RES RNC 1 16W 10K J R847 0790046R CHIP RES RNC 1 16W 4 7K J R848 0790051R CHIP RES RNC 1 16W 10K J R850 0790046R CHIP RES RNC 1 16W 4 7K J R851 0790051R CHIP RES RNC 1 16W 10K J R852 0790051R CHIP RES RNC 1 16W 10K J R853 0700054Q RES CAR 1 16W 10K W WUN R854 0187096Q RES CAR 1 16W 20KJ W WUN R855...

Страница 40: ...16691R TRS DTC144EKAT TR254 2324085T TRS 2SK105 A 2 TP TR255 2324085T TRS 2SK105 A 2 TP TR401 CF01181R TRS 2SA970 BL TPE2 TR402 CF01181R TRS 2SA970 BL TPE2 TR403 CF01201R TRS 2SC1841 T E F TR404 2318191 TRS 2SC1815 GR T TR405 2328632 TRS 2SD667AC Q TR406 2328622T TRS 2SB647AC TZ Q TR407 CF02711 TRS KTD1047 TR408 CF02701 TRS KTB817 TR409 CF01201R TRS 2SC1841 T E F TR410 2317712T TRS 2SC2878 B TE2 M...

Страница 41: ...3T 72 D245 2398921T DIODE ISS133T 72 D401 2398921T DIODE ISS133T 72 D402 2398921T DIODE ISS133T 72 D403 2398921T DIODE ISS133T 72 D501 2398921T DIODE ISS133T 72 D502 2398921T DIODE ISS133T 72 D503 2398921T DIODE ISS133T 72 D504 2398921T DIODE ISS133T 72 D505 2398921T DIODE ISS133T 72 D506 2398921T DIODE ISS133T 72 D507 2339032Q ZENER DIODE HZS6C2LTD D508 2339032Q ZENER DIODE HZS6C2LTD D509 2339032...

Страница 42: ...S702 FE00411R TACT SWITCH SKQNABD010 S703 FE00411R TACT SWITCH SKQNABD010 S704 FE00411R TACT SWITCH SKQNABD010 S705 FE00411R TACT SWITCH SKQNABD010 S706 FE00411R TACT SWITCH SKQNABD010 S707 FE00411R TACT SWITCH SKQNABD010 S708 FE00411R TACT SWITCH SKQNABD010 S709 FE00411R TACT SWITCH SKQNABD010 S710 FE00411R TACT SWITCH SKQNABD010 S711 FE00411R TACT SWITCH SKQNABD010 S712 FE00411R TACT SWITCH SKQN...

Страница 43: ... RELAY ALA2F24 RY501 2641322 SPEAKER RELAY ALA2F24 RY901 2640576 POWER RELAY SDT SS 112DM T137 2688366W 1 MARU PIN T601 5715231 1 SQ PIN T602 5715231 1 SQ PIN T603 5715231 1 SQ PIN T604 5715231 1 SQ PIN TH601 CJ00151 THERMISTOR PTH9M04BB222TS2F333 TU1 HH00031 TUNER PACK W WUN TU1 2428651 TUNER PACK E EBS VR452 AY00681 VAR RES 10K XVB141 VR453 AY00682 VAR RES 30K XVB141 W1 EK00293 1P BOARD IN CONN ...

Страница 44: ...PC04304 SURROUND BUTTON E EBS WUN PC04303 SURROUND BUTTON W 37 PC04312 SP BUTTON E EBS WUN PC04313 SP BUTTON W 38 2759342 LOOP ANTENNA 8T E EBS W WUN 39 HL01492 REMOTE CONTROLLER RB DD1S 40 EY00281 EDISON PLUG ADAPTER W WUN 41 PH08235 FRONT PANEL E EBS PH08239 FRONT PANEL W PH08237 FRONT PANEL WUN 42 PH08244 INNER PANEL E EBS WUN PH08245 INNER PANEL W 43 PH08311 CLEAR PANEL 44 PC01784 POWER BUTTON...

Страница 45: ...MEMO ...

Страница 46: ...IBERICA S A Gran Via Carlos III 101 1 08028 Barcelona SPAIN Tel 093 409 2550 Fax 093 491 3513 Email rplan hitachi eu com HITACHI SALES ITALIANA SPA Via Gulli n 39 20147 MILAN ITALY Tel 02 38073415 Fax 02 4878638 1 2 Email customerservice italy hitachi eu com HITACHI HOME ELECTRONICS NORDIC AB Box 77 S 164 94 KISTA SWEEDEN Tel 08 562 7 11 00 Fax 08 562 7 11 11 Email csgswe hitachi eu com HITACHI FR...

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