Hitachi HTADD3E, Service Manual

Page 1: ...ANUEL D ENTRETIEN WARTUNGSHANDBUCH Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manueld entretienpeuventfairel objet demodificationsenvuedeperfectionner leproduit Die in diesem Wartungshandbuch enthaltenenSpezifikationenkönnensich zwecksVerbesserungenändern September 2000 AV SURROUND SYSTEM HTA DD3E HTA DD3EBS HTA DD3W HTA ...

Page 2: ... 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 compatibility...

Page 3: ...xposed part Insulation tester DC 500V SAFETY PRECAUTIONS The following precautions should be observed when servicing 1 Since many parts in the unit have special safety related characteristics always use genuine Hitachi s replace ment parts Especially critical parts in the power circuit block should not be replaced with other makers Critical parts are marked with _ in the circuit diagram and printe...

Page 4: ...Ω ohms Frequency response 5 Hz 10 MHz 1 3 dB S Video Input output level and impedance Y 1 Vp p C 0 286 Vp p Frequency response 5 Hz 10 MHz 1 3 dB Component Input output level and impedance Y 1 Vp p CB 0 7 Vp p CR 0 7 Vp p Frequency response 5 Hz 10 MHz 1 3 dB TUNER SECTION FM note µV at 75Ω ohms 0 dBF 1 10 15 W AM Receiving range 87 50 MHz 108 00 MHz 0 05 MHz step 522 kHz 1611 kHz 9 kHz step E EBS...

Page 5: ...4 x 1 21 x 5 Fig 1 Fig 2 SERVICE POINTS 1 Removal of Top Cover a Remove 2 screws 1 from each side b Remove 4 screws 2 from the rear plate 2 Removal of Rear Plate a Remove 28 screws 3 and 1 screw 4 from the rear plate b Remove 5 screws from the Bottom Chassis ...

Page 6: ...eo PWB board upwards to detach its 2 connectors L M from Main PWB board Removal of Components PWB board a Gently pull the Components PWB board upwards to detach its connector N from Main PWB board Removal of Relay PWB board a Gently pull the Relay PWB board upwards to detach its 3 connectors O P Q from Main PWB board 4 Removal of Transformer a Remove 4 screws 5 from the transformer b Pull the tran...

Page 7: ...tom Chassis and remove 4 screws b Remove the Master Vol Bass Treble knob before remove the Front panel 6 Removal of Inner Panel Power Switch Phone Jack FL board 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 ...

Page 8: ...HTA DD3 7 16 x 4 7 Removal of Foot a Remove 4 screws to remove foot Fig 7 ...

Page 9: ...l Output terminal Measuring instrument Frequency Adjust Reading FM antenna R22 DC balance meter 98 1 MHz T4 0 30mV 1kHz 60dBu 22 5kHz dev Band Destination Frequency Specification Note Limit V Average V FM E EBS 87 50MHz 1 3 3 7 2 4 50kHz step 108 00MHz 6 0 9 0 7 5 W WUN WAU 87 50MHz 1 3 3 7 2 4 50kHz step 108 00MHz 6 0 9 0 7 5 AM E EBS 522kHz 0 9 1 2 1 1 9kHz step 1 611kHz 6 0 9 0 7 5 W WUN WAU 52...

Page 10: ...T CN22 PG22 PG13 CN205 THERMAL UNIT VIDEO COMP IN UNIT SPEAKER OUT UNIT CN206 PG14 CN201 DSP UNIT PG205 PG206 W19B W18B W17B W16B W15B W14B W13B POWER T 2nd UNIT W5B W7B W9B W6B W8B W10B W4B POWER T Pry UNIT POWER CONTROL UNIT PG3 CN13 CN3 PHONES SPEAKER SW UNIT POWER SW UNIT PG15 PG12 W3A W1A W1B W2B W6A W7A W10A W9A W8A W3B W2A POWER CORD PG25 VOLTAGE SELECTOR for W WUN WAU REMARKS SHOULD BE FOL...

Page 11: ...HTA DD3 PRINTED WIRING BOARD 10 Soldering Side MAIN PWB ...

Page 12: ...HTA DD3 11 Component Side MAIN PWB ...

Page 13: ...HTA DD3 Soldering Side Tuner PWB 12 ...

Page 14: ...HTA DD3 Component Side Tuner PWB 13 ...

Page 15: ...HTA DD3 Soldering Side Component Side Audio PWB 14 ...

Page 16: ...HTA DD3 Relay PWB Soldering Side Component Side 15 ...

Page 17: ...HTA DD3 Digital PWB Power PWB Component Side FL PWB 16 ...

Page 18: ...HTA DD3 Soldering Side FL PWB Power PWB Digital PWB ...

Page 19: ...HTA DD3 Component Side Soldering Side Component PWB ...

Page 20: ...HTA DD3 Component Side Soldering Side DSP PWB ...

Page 21: ...HTA DD3 S Video PWB Composit PWB PT2 PWB Soldering Side ...

Page 22: ...HTA DD3 S Video PWB Composit PWB PT2 PWB Component Side ...

Page 23: ...HTA DD3 Soldering Side Component Side Phone PWB PT1 PWB P SW PWB Phone PWB PT1 PWB P SW PWB ...

Page 24: ... NJM2068x3 DTS SEL CD DVD F GAIN SW PO AMP MIX AMP MIX AMP MIX AMP BA15218 SW SW SR SL SL SR STEREO 6CH EXT IN SEL STEREO WHEN SW C C FL BF LC7536x3 BF BF BF BF BF PO AMP PO AMP PO AMP TONE CONT 1V TONE CONT MAIN AMP IC50 IC40 24 5V 200mV 22k MAIN AMP MAIN AMP MAIN AMP MAIN AMP VOL MUTE SUBWOOFER MUTE HP RELAY SP RELAY 2V HONES Rch HONES Lch FRONT Rch CENTER SUBWOOFER PRE OUT FRONT Lch SURROUND Rc...

Page 25: ... 24 HTA DD3 ...

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Page 32: ... 23 36 21 36 20 22 B B 10 11 30 45 19 44 9 16 18 27 27 18 29 B B A A SHIELD PLATE E EBS W WUN VOLTAGE SELECTOR W WUN 24 33 49 43 2 51 50 34 8 25 RELAY P W B 2 4 3 17 26 E EBS 43 COMPONENT P W B S VIDEO P W B COMPOSIT P W B AUDIO P W B DSP P W B TUNER P W B 7 52 P SW1 P W B 14 MAIN P W B EXPLODED VIEW Cabinet Chassis Nos are reference Nos of part list 43 44 ...

Page 33: ...HTA DD3 45 46 ...

Page 34: ...AP SSL 2 2µF 50V C114 0800005Y ELECT CAP SSL 2 2µF 50V C115 0893239R CHIP CAP 39F 10000PF Z 50V C116 0893239R CHIP CAP 39F 10000PF Z 50V C117 0800003Y ELECT CAP SSL 1µF 50V C121 0893133R CHIP CAP 39CH 330PF J 50V E EBS C122 0893133R CHIP CAP 39CH 330PF J 50V E EBS C123 0893133R CHIP CAP 39CH 330PF J 50V E EBS C124 0893133R CHIP CAP 39CH 330PF J 50V E EBS C125 0893133R CHIP CAP 39CH 330PF J 50V E E...

Page 35: ...Y ELECT CAP SSL 10µF 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 C232 0893232R CHIP CAP 0 1µF 1608 25V C233 0800042Y ELECT CAP SSL 47µF 25V C234 0893232R CHIP CAP 0 1µF 1608 25V C235 0800042Y ELECT CAP SS...

Page 36: ...rked 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 C436 0880009R MYLAR CAP 0 01µF K 50V AMZ T C437 0893239R CHIP CAP 39F 10000PF Z 50V C501 0800026Y ELECT CAP SSL 22µF 50V C502 0800026Y ELECT CAP SSL 22µF 50V C503 0893126R CHIP CAP 39CH 100PF J 50V...

Page 37: ...26R CHIP CAP 39CH 100PF J 50V C757 0800042Y ELECT CAP SSL 47µF 25V C758 0800042Y ELECT CAP SSL 47µF 25V C759 0880005R MYLAR CAP 0 0022µF K 50V AMZ T C760 0880005R MYLAR CAP 0 0022µF K 50V AMZ T C761 0276720R CAP MYLAR 0 18µF J 50V C762 0276720R CAP MYLAR 0 18µF J 50V C763 0800003Y ELECT CAP SSL 1µF 50V C764 0800003Y ELECY CAP SSL 1µF 50V C767 H275031K MYLAR CAP 0 012µF K 50V T C768 H275031K MYLAR ...

Page 38: ...ety Before replacing any of these components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO R37 0700054Q RES CAR 1 16W 10K R38 0700067Q RES CAR 1 16W 100KJ R39 0700044Q RES CAR 1 16W 1 8KJ R40 0700044Q RES CAR 1 16W 1 8KJ R41 0700052Q RES CAR 1 16W 6 8K W WUN WAU R41 0700049Q RES CAR 1 16W 4 7KJ E EBS R42 0700052Q RES CAR 1 16W 6 8K W WUN WAU R...

Page 39: ...RES RNC 1 16W 100 J R199 0790064R CHIP RES RNC 1 16W 100K J R200 0790042R CHIP RES RNC 1 16W 22K J R201 0195904R CHIP RES 1 5KJ 1 10W R202 0195925R CHIP RES 10K 1 10W R203 0195925R CHIP RES 10K 1 10W R204 0195925R CHIP RES 10K 1 10W R205 0195904R CHIP RES 1 5K J 1 10W R206 0195904R CHIP RES 1 5K J 1 10W R209 0195904R CHIP RES 1 5KJ 1 10W R210 0195904R CHIP RES 1 5KJ 1 10W R211 0195904R CHIP RES 1 ...

Page 40: ...afety Before replacing any of these components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO R346 0790048R CHIP RES RNC 1 16W 6 8KJ E EBS R347 0790048R CHIP RES RNC 1 16W 6 8KJ E EBS R401 0790046R CHIP RES RNC 1 16W 4 7K J R402 0790046R CHIP RES RNC 1 16W 4 7K J R403 0790046R CHIP RES RNC 1 16W 4 7K J R404 0790051R CHIP RES RNC 1 16W 10K J R40...

Page 41: ... 0196039R CHIP RES 1 16W 75J R611 0196039R CHIP RES 1 16W 75J R612 0196039R CHIP RES 1 16W 75J R615 0790051R CHIP RES RNC 1 16W 10K J R616 0790051R CHIP RES RNC 1 16W 10K J R617 0790033R CHIP RES RNC 1 16W 470 J R618 0790033R CHIP RES RNC 1 16W 470 J R619 0790077R CHIP RES RNC 1 16W 1M R620 0790077R CHIP RES RNC 1 16W 1M R621 0187048Q RES CAR FILM 1 16W 200J R622 0187048Q RES CAR FILM 1 16W 200J R...

Page 42: ... CHIP RES 1 16W 62K J R755 0790053R CHIP RES RNC 1 16W 15K J R756 0790053R CHIP RES RNC 1 16W 15K J R757 0196112R CHIP RES 1 16W 62K J R758 0196112R CHIP RES 1 16W 62K J R763 0790038R CHIP RES RNC 1 16W 1 2K J R764 0790038R CHIP RES RNC 1 16W 1 2K J R765 0790028R CHIP RES RNC 1 16W 220 J R766 0790028R CHIP RES RNC 1 16W 220 J R767 0196094R CHIP RES 1 16W 11K J R768 0196094R CHIP RES 1 16W 11K J R7...

Page 43: ...C 1 16W 100 J R965 0790024R CHIP RES RNC 1 16W 100 J R966 0790001R CHIP RES 1 16W 0 J R968 0790024R CHIP RES RNC 1 16W 100 J TR1 CF01121R TRS 2SK161 Y TPE4 TR2 CF01141R TRS 2SC2058STPQ TR3 2326862R TRS DTA114ES TP TR4 2326862R TRS DTA114ES TP TR7 CF01331R TRS DTC323TSTP TR8 CF01331R TRS DTC323TSTP TR9 CF01211R TRS DTC144TSATP TR10 2314361R TRS DTA114TSATP TR101 CA00292R TRS DTA144EKT146 TR102 2316...

Page 44: ...206 CK01451R IC BA15218F E2 IC207 CK01451R IC BA15218F E2 IC208 CK01451R IC BA15218F E2 IC209 CK01451R IC BA15218F E2 IC210 CK33861U IC IS61C3216 15T IC211 CK33861U IC IS61C3216 15T IC212 CK34041R IC TC7SET04F IC213 CZ00671R IC BA033FP E2 IC214 CZ00672R IC BA05FP E2 IC301 CP06421 IC LC7536 ICS IC302 CP06421 IC LC7536 IC303 CP06421 IC LC7536 IC304 CK02301T IC NJM2068M IC305 CK02301T IC NJM2068M IC3...

Page 45: ... components please read carefully the Service Manual DESCRIPTION SYMBOL NO PART NO DESCRIPTION PART NO SYMBOL NO 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 2398921T DIODE ISS133T 72 D508 2398921T DIODE ISS133T 72 D509 2398921T DIODE ISS133T 72 D601 239...

Page 46: ...N21A EY00074 6P PIN HEADER 9110B 06 CN201A 2959052 3P PIN POST A2001WV2 3P CN202A EY00082 B B PIN HEADER 1MSA9110B 13 CN203A EY00077 B B PIN HEADER 1MSA9110B 09 CN204A 2959053 4P PIN POST A2001WV2 4P CN1B ED00321 MX BOTTOM E CONN 52492 0720 CN2B ED00323 19P FFC CON BOTTOM CN4B EY00093 B B SOCKET IMSA 9110S 05L CN5B EY00099 B B SOCKET IMSA 9110S 11L CN6B EY00105 B B SOCKET IMSA9110S 16L CN7B EY0009...

Page 47: ... 1 16W 0 J J742 0790001R CHIP RES 1 16W 0 J J743 0790001R CHIP RES 1 16W 0 J J744 AQ00701R CHIP JUMPER 0 J 1 4W RK73K2ETD J745 0790001R CHIP RES 1 16W 0 J J871 0790001R CHIP RES 1 16W 0 J J872 0790001R CHIP RES 1 16W 0 J J873 0790001R CHIP RES 1 16W 0 J J874 0790001R CHIP RES 1 16W 0 J J875 AQ00701R CHIP JUMPER 0 J 1 4W RK73K2ETD J876 0790001R CHIP RES 1 16W 0 J J877 0790001R CHIP RES 1 16W 0 J J8...

Page 48: ...ST8 00MTW X201 BP01071 CRYSTAL 12 288MHZ XT1 2170132R CRYSTAL 7 200MHZ TAPING XT91 2170133R CRYSTAL 4 332MHZ TAPING E EBS XT92 2792071R CER OSC CST4 00MGW TF01 E EBS Z017 9563449 NISSEI SF SLEEVE ESG 3 8MM DIA Z019 1ZA4042 SENJU SOLDER Z020 9473457 ETHYL ALCOHOL Z022 9414017 SILICONE GREASE G 746 Z023 9414017 SILICONE GREASE G 746 Z024 7998081 NITTO SPV 367 TAPE 70MMX200M Z025 9451125 UL TUBE NO 7...

Page 49: ...H08837 FRONT PANEL WUN WAU PH08839 FRONT PANEL W 42 PH08244 INNER PANEL E EBS WUN WAU PH08245 INNER PANEL W 43 QA01962 REAR PLATE E EBS QA01966 REAR PLATE W WUN WAU 44 PC04463 FUNCTION BUTTON W PC04462 FUNCTION BUTTON E EBS WUN WAU 45 PC04303 SURROUND BUTTON W PC04304 SURROUND BUTTON E EBS WUN WAU 46 PC04313 SP BUTTON W PC04312 SP BUTTON E EBS WUN WAU 47 EF02133 FM ANT CONNECTOR 48 2759342 AM LOOP...

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