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Technics SH-DV250, Руководство по обслуживанию

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Technics SH-DV250 Скачать руководство пользователя страница 2

 

 EQ/SFP section

MANUAL GEQ

5-band EQ center frequency:

70/ 300/ 1k/ 3.15k/ 10k Hz

Level control:

+-2.0/ 4.0. 6.0 dB

EQ/Space mode:

4 Modes, HEAVY, CLEAR, 

SOFT, HALL

SUPER 3D AI EQ:

3 Modes AI EQ, SUPER 3D 

AI 1, SUPER 3D AI 2

 

 Pre-amplifier section

Input sensitivity/ impedance

VCR (EXT):

250mV/ 15k   

AUX (DVD):

250mV/ 15k   

Output level

VCR RECOUT:

150mV/ 1.5k   

 

 Dolby pro logic section

Pro logic mode:

SURROUND

Center mode:

NORMAL

Delay time:

20mSec.

 

 AV surround section

AV surround mode:

Super surround (music/ 

movie)

 

 DSP control section

DSP control mode:

Super sound EQ 

Center focus 

Virtual rear surround 

Multi rear surround 

Seat position

 

 Spectrum analyzer section

Display mode:

NORMAL, PEAKHOLD, 

AURORA

 

 General

Dimensions (WxHxD):

293x89x270mm

Weight:

1.5kg

Power Supply

DC±10V/ -25V, AC4.6V

Power Consumption

7W

Notes:

1.Design and specifications are subject to change without 

notice.

2.Dimensions and weight are approximate.

 

 System

Sound Processor: SH-DV250, DVD/ Video CD/ CD changer: SL-

DV250, Stereo tuner/ amplifier: SA-DV250, Cassette Deck: RS-

DV250, Speakers: Front (SB-DV250), Center (SB-PC95), 

Surround (SB-PS95) (Made in MAES)

2

Содержание SH-DV250

Страница 1: ...pe System SC DV250 Because of unique interconnecting cables when a component requires servise send or bring in the entire system Note Refer to the service manual for Model No SA DV250 ORDER NO AD0103076C2 for information on ACCESSORIES and PACKAGING SPECIFICATIONS Specification 1 ...

Страница 2: ... AV surround mode Super surround music movie DSP control section DSP control mode Super sound EQ Center focus Virtual rear surround Multi rear surround Seat position Spectrum analyzer section Display mode NORMAL PEAKHOLD AURORA General Dimensions WxHxD 293x89x270mm Weight 1 5kg Power Supply DC 10V 25V AC4 6V Power Consumption 7W Notes 1 Design and specifications are subject to change without notic...

Страница 3: ...ure to connect the amplifier with it Power supply and operation check in the state of it as a single equipmenet are impracticable 2 Operating Instructions 3 Operation Checks and Component Replacement Procedures This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components For reassembly after operation checks or replacement rever...

Страница 4: ... Check the FL P C B as shown below 3 2 Checking for the main P C B Follow the Step 1 Step 3 of item 3 1 4 ...

Страница 5: ... Check the main P C B as shown below 5 ...

Страница 6: ...nected When a component requires service use the system connections to supply power source For system connections Refer to Fig 1 Fig 1 7 Schematic Diagram Notes 7 1 Type Illustrations of IC s Transistors and Diodes 7 2 Schematic Diagram Notes This schematic diagram may be modified at any time with development of new technology Notes 6 ...

Страница 7: ...with the chassis taken as standard Therefore there may exist some errors in the voltage values depending on the internal impedance of the DC circuit tester No mark Power on Important safety notice Components identified by mark have special characteristics impotant for safety Furthermore special parts which have purpose of fire retardant resistors high quality sound capacitors low noise resistors e...

Страница 8: ...put terminal from IC602 4 SP A O Band select signal output terminal for IC602 5 SP B O Band select signal output terminal for IC602 6 SP C O Band select signal output terminal for IC602 7 SA CS I Chip select signal input terminal 8 DSP RST O Reset signal output terminal for IC401 9 DSP CS O Chip select signal output terminal for IC401 10 DSP SNS I Sense signal input terminal from IC401 11 DSP ACK ...

Страница 9: ...t used open 26 NC Not used open 27 LED CFO O ORANGE LED CENTER FOCUS signal output terminal 28 LED CFG O GREEN LED CENTER FOCUS signal output terminal 29 BR93 DATA I Data signal input terminal from EEPROM 30 BR93 CS O Chip select signal output terminal for EEPROM 31 BR93 CK O Clock signal output terminal for EEPROM 32 SYNC I Power failure detect signal input terminal 33 SA REQ O Request signal out...

Страница 10: ...NGE LED MULTI REAR SURROUND signal output terminal 44 LED MRG O GREEN LED MULTI REAR SURROUND signal output terminal 45 LED VRO O ORANGE LED VIRTUAL REAR SURROUND signal output terminal 46 LED VRG O GREEN LED VIRTUAL REAR SURROUND signal output terminal 47 80 P1 P34 O Segment signal output terminal 81 Not used open 82 88 7G 1G O Grid signal output terminal 89 VEE I Power supply input terminal 90 C...

Страница 11: ...es of fireretardant resistors high quality sound capacitors lownoise resistors etc are used When replacing any of components be sure to use only manufacture s specified parts shown in the parts list The markings RTL indicate that the Retention Time is limited for these items After the discontinuation of these assemblies in production the items will continue to be available for a specific period of...

Страница 12: ...47P 3 F1D1H470A006 C216 17 ECBT1C103MS5 16V 0 01U 2 F1D1C103A004 C221 22 ECBT1H101KB5 50V 100P 2 F1D1H101A012 C223 24 ECA1CAK100XB 16V 10U 2 C225 33 ECBT1H101KB5 50V 100P 9 F1D1H101A012 C280 81 ECBT1H330J5 50V 33P 2 F1D1H330A006 C282 83 ECBT1H102KB5 50V 1000P 2 F1D1H102A012 C284 85 ECBT1C103MS5 16V 0 01U 2 F1D1C103A004 C286 87 ECBT1H330J5 50V 33P 2 F1D1H330A006 C288 89 ECA1CAK100XB 16V 10U 2 C290 ...

Страница 13: ...1A012 C608 ECBT1H221KB5 50V 220P 1 F1D1H221A012 C609 10 ECBT1C103MS5 16V 0 01U 2 F1D1C103A004 C611 ECA1HAK3R3XB 50V 3 3U 1 C612 13 ECEA1CKS220 16V 22U 2 C614 ECA1CAK100XB 16V 10U 1 C615 ECA1VAK330XB 35V 33U 1 C616 ECEA1VKS330Q 35V 33U 1 C618 19 ECBT1C103MS5 16V 0 01U 2 F1D1C103A004 C620 21 ECA1HAK0R1XB 50V 0 1U 2 C622 23 ECBT1H104KB5 50V 0 1U 2 F1D1H1040002 C624 ECBT1C103MS5 16V 0 01U 1 F1D1C103A0...

Страница 14: ...V 50V 2200P 1 C861 ECUV1H561KBV 50V 560P 1 F1H1H561A013 C862 ECUV1H471KBV 50V 470P 1 F1H1H471A013 C863 64 ECA0JAK470XH 6 3V 47U 2 C865 ECUVNJ105KBV 63V 1U 1 F1H0J105A002 C866 68 ECA1HAK010XI 50V 1U 3 ECA1HAK010XB C869 ECUVNH103KBV 25V 0 01U 1 F1H1H103A748 C870 EEAFC0J101B 6 3V 100U 1 C871 72 ECUV1H222KBV 50V 2200P 2 C873 76 ECA1HAK010XI 50V 1U 4 ECA1HAK010XB C877 78 ECUVNH103KBV 25V 0 01U 2 F1H1H1...

Страница 15: ...B000109 IC401 C2BBFD000246 IC 1 IC501 NJM4558MTE1 IC 1 C0ABBB000109 IC601 C2BBGF000251 IC 1 IC602 M62457AFPE1 IC 1 C1BB00000486 IC801 C2HBZC000010 IC 1 IC802 C2HBZC000008 IC 1 JK101 SJF3068 7N JACK VDP AUX 1 JK102 SJF3069 5N JACK VCR EXT IN OUT 1 JK103 SJFD7 JACK SUB WOOFER OUT 1 L101 RLBV252AV Y COIL 1 J0JBC0000019 L301 02 RLQA3R3JT1 Y COIL 2 G0C3R3JA0019 L401 RLQB100JTD D COIL 1 L502 RLBV252AV Y...

Страница 16: ...2 1 4W 3 3K 2 R111 12 ERDS2FJ332 1 4W 3 3K 2 R113 14 ERDS2FJ123 1 4W 12K 2 R127 ERDS2FJ104 1 4W 100K 1 R128 ERDS2FJ102 1 4W 1K 1 R129 30 ERDS2T0T 1 4W 0 2 R131 ERJ3GEY0R00V 1 16W 0 1 R203 04 ERDS2FJ222 1 4W 2 2K 2 R205 06 ERDS2FJ563 1 4W 56K 2 R207 08 ERDS2FJ273 1 4W 27K 2 R209 10 ERDS2FJ104 1 4W 100K 2 R211 14 ERDS2FJ222 1 4W 2 2K 4 R219 ERDS2FJ391 1 4W 390 1 R220 ERDS2FJ104 1 4W 100K 1 R221 22 E...

Страница 17: ...W 1K 3 R348 ERDS2FJ222 1 4W 2 2K 1 R349 ERDS2FJ123 1 4W 12K 1 R350 ERDS2FJ103 1 4W 10K 1 R351 ERDS2FJ224 1 4W 220K 1 R352 ERDS2FJ103 1 4W 10K 1 R353 ERDS2FJ224 1 4W 220K 1 R354 ERDS2FJ153 1 4W 15K 1 R357 58 ERDS2FJ223 1 4W 22K 2 R359 60 ERDS2FJ821 1 4W 820 2 R361 62 ERDS2FJ682 1 4W 6 8K 2 R363 64 ERDS2FJ102 1 4W 1K 2 R365 66 ERDS2FJ184 1 4W 180K 2 R367 68 ERDS2FJ471 1 4W 470 2 R372 ERDS2T0T 1 4W 0...

Страница 18: ... 2K 1 R610 ERDS2FJ332 1 4W 3 3K 1 R611 ERDS2FJ101 1 4W 100 1 R612 ERDS2FJ102 1 4W 1K 1 R613 ERDS2FJ562 1 4W 5 6K 1 R614 17 ERDS2FJ102 1 4W 1K 4 R618 ERDS2FJ104 1 4W 100K 1 R619 ERDS2FJ681 1 4W 680 1 R622 23 ERDS2FJ104 1 4W 100K 2 R624 29 ERDS2FJ181 1 4W 180 6 R631 ERDS2FJ821 1 4W 820 1 R632 ERDS2FJ102 1 4W 1K 1 R633 ERDS2FJ122 1 4W 1 2K 1 R634 ERDS2FJ152 1 4W 1 5K 1 R635 ERDS2FJ182 1 4W 1 8K 1 R63...

Страница 19: ...71V 1 16W 270 4 R808 10 ERJ3GEYJ331V 1 16W 330 3 R811 ERJ3GEYJ472V 1 16W 4 7K 1 D0GB472JA002 R812 ERJ3GEYJ331V 1 16W 330 1 R813 ERJ3GEYJ472V 1 16W 4 7K 1 D0GB472JA002 R814 ERJ3GEYJ104Z 1 16W 100K 1 R815 20 ERJ3GEYJ102V 1 16W 1K 6 ERJ3GEYJ102Z R821 ERJ3GEYJ331V 1 16W 330 1 R823 ERJ3GEYJ331V 1 16W 330 1 R824 25 ERDS2FJ823 1 4W 82K 2 R827 ERJ3GEY0R00V 1 16W 0 1 R829 ERJ3GEYJ222V 1 16W 2 2K 1 R830 ERJ...

Страница 20: ... 16W 330 2 R890 ERJ3GEYJ103Z 1 16W 10K 1 R891 92 ERJ3GEYJ222V 1 16W 2 2K 2 R898 ERJ3GEY0R00V 1 16W 0 1 R900 ERJ3GEY0R00V 1 16W 0 1 R903 ERDS2FJ124 1 4W 120K 1 S601 07 EVQ11G05R SW PUSH 7 S608 11 EVQ11G07K SW JOY STICK 4 S612 13 EVQ11G05R SW PUSH 2 S614 ESE24SV7 SW MULTI JOG 1 X401 RSXY8M00D01T OSCILLATOR 1 H2B800400005 X601 H2B400400013 OSCILLATOR 1 X801 RSXZ36M8M01T OSCILLATOR 1 12 Cabinet Parts ...

Страница 21: ...H010400000KA HH 21 ...

Страница 22: ...R691 R692 R633 C610 D653 C601 S605 D617 D616 R634 R619 R607 R612 R614 R661 R654 R657 R655 R608 R613 R606 R615 R635 R603 R636 R626 D615 D614 D613 J J C604 C603 J 3 2 1 X601 J J C606 R660 R658 R659 R648 R656 R652 R653 C623 J J J J C628 C621 C620 C613 B C E Q603 B C E Q602 B C E Q604 D607 D608 1 5 8 9 10 15 16 IC602 R642 R649 R650 R651 R639 R601 R605 R666 R627 R628 J J C608 C619 C618 D606 D602 J J J ...

Страница 23: ...32 R354 R349 R770 R319 R317 R305 R372 R323 R327 R326 R325 R328 R324 R333 J J J J J J J J J J J J J J J J B C E Q310 B C E Q309 B C E Q314 B C E Q313 B C E Q306 B C E Q305 B C E Q768 B C E Q502 B C E Q501 B C E Q504 B C E Q503 B C E Q505 B C E Q316 B C E Q765 B C E Q766 B C E Q767 B C E Q315 B C E Q307 B C E Q308 B C E Q302 B C E Q301 B C E Q303 B C E Q304 C512 C350 C349 C322 C321 C312 C311 C770 C3...

Страница 24: ...C602 6 3V1000 C610 0 01 C611 50V3 3 D605 MA165TA C613 16V22 SCHEMATIC DIAGRAM 1 C628 16V22 C612 16V22 C627 16V22 NOTE The number which noted at the connectors on the schematic diagram as SCHEMATIC DIAGRAM 1 or SCHEMATIC DIAGRAM 2 indicates the schematic diagram serial number located on the left corner in the schematic diagram C601 0 1 L601 10 H D601 1SS291TA R682 0 R611 100 R609 2 2K R610 3 3K R61...

Страница 25: ...7 47K R661 22K D607 MA165TA R660 47K D608 MA165TA R656 10K R659 4 7K R658 4 7K Q602 Q603 Q604 SCHEMATIC DIAGRAM 2 Q602 604 2SC3311ATA INTERFACE R636 2 2K R635 1 8K R634 1 5K R633 1 2K R632 1K R631 820 S606 VIRTUAL REAR SURROUND S605 CENTER FOCUS S604 SUPER SOUND EQ S602 DOLBY PRO LOGIC OFF ON S601 DISPLAY MODE R642 2 2K R641 1 8K R640 1 5K R639 1 2K R638 1K R637 820 S603 SUPER SURROUND S611 S610 S...

Страница 26: ...FER AMP C208 50V4 7 C207 50V4 7 C206 33P R210 100K C204 330P R208 27K R206 56K C203 330P C205 33P R209 100K R207 27K R205 56K C210 0 01 R211 2 2K IC203 BU4053BCFE2 SIGNAL SELECTOR 1 2 3 4 5 6 7 8 C202 330P C209 0 01 C212 0 1 C211 0 1 C216 0 01 C217 0 01 R220 100K C B A X0 X1 VDD G Vss INH Z0 Z1 Y1 Y0 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 R B G H J A A C201 330P R204 2 2K R203 2 2K D201 MA4056MTA ...

Страница 27: ...022 R404 100K R405 220 C402 0 01 L401 D A B C E F R425 4 7K R426 4 7K R429 4 7K R424 1K R421 100 R420 1K R419 1K R432 1K A B A B C A B C H D C O F E D IC401 C2BBFD000246 SYSTEM CONTROL R402 100K R401 4 7K 1 2 3 E R903 120K IC281 282 NJM4558MTE1 BUFFER AMP R284 13K C280 33P R289 18K R290 18K C286 33P C288 16V10 R297 470 C284 0 01 C290 0 01 4 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 R291 18K C287 33P R288 18K ...

Страница 28: ... D F G L S K G C 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 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 GND AR VDX XI XO GND X NC GND A1 AI1 AO1 NC AOT1 NC VDA12 AOT2 AO2 NC AI2 GNDA2 NC VRO1 VRI NC VRO2 GND A3 AI3 AO3 AOT3 VDA34 NC AOT4 NC AO4 AI4 NC GND A4 ...

Страница 29: ...ORT AOR GND AR GND AC AOC AOCT VRCS AICT VRO VRI VDASC AISLT AOSLT AOSL GND ASL GND ASR AOSR AOSRT AISRT VDASR NC TP0 TP1 TP2 TP3 TP4 NC VDDR GND R TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 FS CK00 CK01 GND TP13 MCK V DD TP14 TST15 EM0 EM1 STEP1 STEP0 RST V DD SYNC ELR0 ELR1 EBC0 EBC1 D IN D OUT GND CS IFCK IFD1 IFD0 IFOK ERR I2CS BA1 BA0 BOOT NC TST0 TST1 TST2 TST3 VDM VRM1 M IN M OUT VRM2 GNDM VSAL L I...

Страница 30: ...K R334 56K R323 12 R324 12 R326 1K C328 16V22 R328 560 C314 16V10 C316 100P R330 180K C318 27P R332 2 2K C320 16V10 R350 10K C327 0 033 D302 MA165TA R351 220K C323 0 01 C324 0 01 R319 150K C312 16V22 R318 100 Q306 UN411FTA ATTENUATOR CONT Q305 UN411FTA MUTING CONT C311 16V10 R317 22K R312 1 8K Q309 Q310 Q307 Q308 Q307 308 2SD2144STA ATTENUATOR A B R354 15K R347 1K R345 1K R346 1K Q313 Q314 Q309 31...

Страница 31: ...4 MA165TA C771 0 01 C766 16V10 Q765 767 2SC3311ATA STABILIZER Q765 R767 1K D767 MA4051MTA C768 16V10 Q767 R768 1 2K D765 MA165TA D766 MA165TA C772 0 01 C767 0 01 D762 RL1N4003N02 C753 0 01 R761 2 2 R762 2 2 C761 0 01 Q761 762 2SD2137PQTA REGULATOR C763 0 01 R765 220 C764 10V220 R764 820 D761 MA4082LTA C762 0 01 Q763 2SD592AQRSTA REGULATOR R766 1 8K D304 MA719TA C354 16V10 D305 MA719TA C349 16V10 C...

Страница 32: ...CN201 TUNER Lch C TUNER Rch A GND Lch OUT Rch OUT B 10V SUR L S W MIC B 10V V GND D GND CS REQ CLK DATA CT GND SH FL1 SH FL2 SYNC SUR R To DVD CHANGER SL DV250 CASSETTE DECK RS DV250 SCHEMATIC DIAGRAM 9 R763 0 33 G F C223 16V10 C224 16V10 R223 22K R224 22K To TUNER AMPLIFIER SA DV250 MAIN CIRCUIT B R240 1K CD REQ CS S CLK S DATA DECK REQ SYNC FL2 FL1 SA DATA SA CLK CS REQ D GND B 5 6V To FL CIRCUI...

Страница 33: ...C2BBGF000251 C2HBZC000010 C2HBZC000008 100PIN 80PIN 100PIN 2SD2137PQTA 2SC3311ATA UN4211TA UN411FTA 2SB621ARSTA 2SD592AQRSTA 2SA1309ATA 2SC3940AQSTA 2SD2144STA UN5211TX LNJ301MPUJAD MA719TA MA165TA 1SS291TA MA700ATA SML79455C RL1N4003N02 MA4051LTA MA4062HTA MA4082LTA MA4051MTA MA4056MTA Anode Cathode Anode Cathode Anode Cathode Anode Cathode Anode Cathode Anode Cathode Anode Cathode Anode ...

Страница 34: ...FW602B FW601B A FL P C B FW602A FW601A To DVD CHANGER CASSETTE DECK To TUNER AMPLIFIER B MAIN P C B 1 8 1 8 1 13 1 13 VDP AUX VCR EXT SUBWOOFER OUT ...

Страница 35: ......

Страница 36: ...ch 19 20 SUR L SH SYNC MCU I F 13 B5 D606 12 14 SELECTOR PEAK HOLD I REF GEN V REF GEN Vcc 2 GEN 1 Vcc VREF IREF DIF OUT C OUT CNF AOUT ANF SELA SELB SELC ENB GND1 PH OUT GND2 15 16 2 3 4 5 6 7 8 11 10 M62457AFPE1 IC602 SPE ANALYZER AMP SP IN TAPE Lch OUT CD Lch IN REC L CD REQ CD DECK CS CD DECK CK CD DECK DI CD DECK DO DECK REQ SYNC SP A SP B SP C SP IN INTERFACE INTERFACE CD L BTL DRIVE NJM4558...

Страница 37: ...JM4558MTE1 IC202 CCHMIC MIC REC L1 95 DECK REQ CD DECK DO 91 90 CD DECK DI 96 CD DECK CS 92 CD DECK CK 94 CD REQ C2BBGF000251 IC601 SYSTEM CONTROL FL DRIVE KEY SWITCH S601 613 1 KEY1 KEY2 2 FL601 FL DISPLAY 82 88 1G 7G 47 80 P1 P34 D653 99 RGE IN0 FL1 FL2 D609 D610 89 V EE 32 SYNC 4 SP A 5 SP B 6 SP C SP IN 3 SYNC CD REQ CD DECK CS CD DECK CK CD DECK DI CD DECK DO DECK REQ SP A SP B SP C SP IN S61...

Страница 38: ...6 8MHz V DD B2 59 GND 55 IFDO CS1 58 57 ERR CK DO 45 43 DIN2 41 EBCI O 48 DOUT GNDX 5 X 10 DSP SNS DSP SNS 12 DSP CK DSP CK DSPDIO 13 DSP DO 14 DSP DI 41 42 LED 3DO LED 3DG D614 MULTI REAR SURROUND DELAY RAM AUDIO SERIAL INTERFACE SW1 SW2 CNV SS 17 LED DRIVE Q605 606 ADC OP AMP VRAL CD L OSC VRAL DSP I O INTERFACE DAC ATT 9 15 8 17 11 14 7 18 CH1 2 DAC ATT 26 25 27 28 CH3 DAC ATT 32 33 30 CH4 20 2...

Страница 39: ... 50 CKO1 49 CKO0 48 FS B2 B2 CCHMIC VDX 3 B3 GNDX 100 28 AOSRT R ch X 8 10 AILT AIRT NJM4558MTE1 IC302 REC L GNDAC 14 VRL R 7 Q313 C OUT C2BBFD000246 IC401 SYSTEM CONTROL DACK 9 DSP ACK RESET 18 DSP RST DCS 7 DSP CS DCK 10 DSP CK DDO 11 DSPDIO DDI 12 B2 1 V CC 35 CK CK 31 RST1 RST1 32 CS1 CS1 36 DO DO 33 RST2 RST2 34 CS2 CS2 21 V SS 15 GND MUT F 29 EXP11 MUT SB 25 EXP15 4 5 6 NJ ST ECK NJ CK EDA N...

Страница 40: ...o FL DISPLAY FL601 FL2 ATT Q502 505 Q504 Q503 Q501 MUT SB SUR L1 FL Q315 Q316 Q303 Q304 Q301 305 Q302 MUT F TU LIC SW2 SW1 ATT Q306 ATT1 SH SYNC BUFFER AMP BUFFER AMP BUFFER AMP MUTING MUTING MUTING CONT B1 D762 B2 Q765 Q764 B3 Q767 Q766 Q761 762 Q763 B4 Q768 B5 REGULATOR REGULATOR REGULATOR MUTING NJM4558MTE1 IC302 BUFFER AMP ATT ATT ATT ATT CONT MIC Q309 ATT Q307 Q314 NJM4558MTE1 IC501 REGULATOR...

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