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Technics SAEX310 - RECEIVER, Руководство по обслуживанию


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SA-EX310

Содержание SAEX310 - RECEIVER

Страница 1: ...TECTION CIRCUITRY ÑÈÑÒÅÌÀ ÇÀÙÈÒÛ CAUTION FOR AC MAIN LEADS ÌÅÐÛ ÁÅÇÎÏÀÑÍÎÑÒÈ ÏÐÈ ÐÀÁÎÒÅ ÑÎ ØÍÓÐÎÌ ÏÈÒÀÍÈß ÏÅÐÅÌÅÍÍÎÃÎ ÒÎÊÀ OPERATION CHECKS AND MAIN COMPONENT REPLACEMENT PROCEDURES ÏÐÎÂÅÐÊÀ ÐÀÁÎÒÎÑÏÎÑÎÁÍÎÑÒÈ È ÇÀÌÅÍÀ ÎÑÍÎÂÍÛÕ ÊÎÌÏÎÍÅÍÒÎÂ FAN MOTOR TROUBLESHOOTING ÍÅÈÑÏÐÀÂÍÎÑÒÈ ÄÂÈÃÀÒÅËß ÎÕËÀÆÄÅÍÈß TROUBLESHOOTING ÍÅÈÑÏÐÀÂÍÎÑÒÈ È ÌÅÒÎÄÛ ÈÕ ÓÑÒÐÀÍÅÍÈß BLOCK DIAGRAM ÁËÎÊ ÑÕÅÌÀ TERMINAL FUNCTIONS OF ...

Страница 2: ...wer 8Ω PHONO 70 dB IHF A 80 dB CD TAPE VCR TV DVD 75 dB IHF A 85 dB Tone controls BASS 50 Hz 10 to 10 dB TREBLE 20 kHz 10 to 10 dB Output voltage TAPE REC OUT VCR OUT 200 mV Channel balance 250 Hz 6 3 kHz 1 dB Channel separation 55 dB Headphones output level and impedance 430 mV 330 Ω Subwoofer frequency responce 7 100 Hz 3 dB General Power consumption 160 W Power supply E EG AC 230 V 50 Hz EB AC ...

Страница 3: ...s identifying the terminals in your plug proceed as follows The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Black or Blue The wire which is coloured Brown must be connected to the terminal which is marked with the letter L or coloured Brown or Red WARNING DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER...

Страница 4: ...edures are described only when required 3 Select items from the following index when checks or replacement are required CheckingProcedureForEachMajorP C B 4 6 MainComponentReplacementProcedures 6 8 Contents Checking Procedure For Each Major P C B 1 Checking of the Panel P C B andTuner P C B a X 4 a a a b b Step 2 X 2 PANEL P C B SolderSide IN OUT TERMINAL P C B SolderSide Step 1 Remove the top cab...

Страница 5: ... Jack P C B Headphone Jack P C B 3 Checking of the MAIN P C B RHD26016 f catch catch Step 1 Remove the top cabinet Step 2 Remove the front panel f X 13 e Step 3 b b b b Step 5 X 4 Step 6 Release 2 catches and pull the rear panel in the direction of arrow 1 for about 10mm Note Main Tuner and In Out Terminal P C B are attach to the rear panel 1 2 Step 7 Lift the rear panel in the direction of arrow ...

Страница 6: ...C B Solder Side Check the Main P C B as shown Main Component Replacement Procedures Step 1 Remove the top cabinet Step 2 Cut the joints as shown below 6 joints Step 4 Desolder the terminals of Power IC and Regulator Transistor Step 3 Fold the joints 6 joints 1 Replacement of the Power IC and Regulator Transistor ...

Страница 7: ...ing the power IC or transistor holder be sure to use an offset screwdriver A long straight screwdriver cannot be used for removing or mounting the screws since its long grip interferes with the neighbouring P C B and transformer See Fig 1 3 A short straight screwdriver may be used for removal but cannot be used for mounting because the limited space in the unit will not allow sufficient tightening...

Страница 8: ...iland Fax 66 2 316 6071 Phone 66 2 316 8655 Japan Stanley Works Japan 2 7 16 Hyakunin Cho Shinjuku ku Tokyo 160 Japan Fax 81 3 3360 8456 Phone 81 3 3360 8458 Mexico Herramientas Stanley S A DE C V Apartado Postal 675 72030 Puebla Pue Maxico Fax 52 22 494 4880 Phone 52 22 495 300 South Central America Puerto Rico The Caribbian Stanley Inter America 2101 N W 84th Ave Miami Florida 33122 Fax 305 594 ...

Страница 9: ...w 5Ω Open circuit DC resistance over 1kΩ NO NO Remove the fan from the unit Remove the obstacle YES The Model SA EX310 employ fan motor error sensing electronics If the cooling fan is not operating and OVER LOAD is displayed on the FL display check the fan motor and its driving circuit fan off fan on E 14 5V 14 5V Q772 C 0V 14 5V B 14 5V 0V E 0V 8 5V Q773 C 14 5V 14 5V B 0V 8 5V Table 1 Voltage ta...

Страница 10: ...of the unit to the TAPE MONITOR postion Set the Speaker ON OFF button of the unit to the SPEAKERS ON position Run the tape deck QZZCLA 315Hz 0dB Using the Oscilloscope check the output waveforms at the test points on the circuit boards of the unit in the following order L1 R1 L2 R2 L3 R3 L5 R5 L6 R6 Refer to page 10 TEST POINTS POSITIONS OF AMPLIFIER CIRCUIT Note Connect the probe of the oscillosc...

Страница 11: ... positions Volume control position VR501 for these test CHECKINGPROCEDUREFORSURROUNDCIRCUIT Outputting surround signal normally requires that opposite phase signals be applied to both the left and right channels However this unit incorporates a service mode allowing the surround circuit to be tested using in phase signals The letter SURROUND flash on the FL display When the CD player or AF oscilla...

Страница 12: ...ayer QZZCLA 315Hz 0dB Oscillator output at 500Hz 200mV SZZP1054C first program 1kHz 0dB A Using the Oscilloscope check the output waveforms at the test points on the circuit boards in the following order C1 S1 C2 S2 C3 S3 C4 S4 C5 S5 To exit the service mode power off the unit TEST POINTS POSITIONS OF SOURROUND CIRCUIT NORMAL WAVEFORMS OF AMPLIFIER CIRCUIT AND LIKELY FAULTY BLOCKS PANEL P C B comp...

Страница 13: ...ting holes and cooling fans After fixing any faults power on the unit again and check for proper operation If no defects are found or if the unit remains overload after it is power on again check the circuit for faults CIRCUIT BLOCKS OVERLOAD DETECTION FUNCTION Likely faulty block if the normal TP CD player Tape deck AF oscillator waveform shown at the left is not present C4 Power limiter block Q5...

Страница 14: ...SA EX310 Block Diagram ...

Страница 15: ...SA EX310 ...

Страница 16: ...SA EX310 ...

Страница 17: ...SA EX310 ...

Страница 18: ...l clock signal 71 SURR OSD_DT O Serial data signal 72 SURR_CE O Chip enable signal 73 AVSS GND for A D conveter 74 VREF I Reference voltage for A D convertion 75 SD I SD signal detect input 76 AC3_LED Not used 77 HELP_LED O LED drive signal HELP 78 VIDEO_DET Not used 79 VIDEO_B O Video selector controloutput B 80 VIDEO_A O Video selector controloutput A 1 4 KEY4 KEY1 I Key matrix detect terminal 5...

Страница 19: ...ic mode select switch S985 Center mode select switch VR501 1 VR501 4 Volume control VR502 Balance control VR511 1 VR511 2 Bass control VR512 1 VR512 2 Treble control Importance safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc a...

Страница 20: ...SA EX310 Schematic Diagram ...

Страница 21: ...SA EX310 ...

Страница 22: ...SA EX310 ...

Страница 23: ...SA EX310 ...

Страница 24: ...SA EX310 ...

Страница 25: ...SA EX310 ...

Страница 26: ...SA EX310 ...

Страница 27: ...SA EX310 ...

Страница 28: ...SA EX310 ...

Страница 29: ...SA EX310 ...

Страница 30: ...SA EX310 Printed Circuit Board C MOTOR P C B REP2445D S B PANEL P C B REP2445D S E HEADPHONE JACK P C B REP2445D S ...

Страница 31: ...SA EX310 D POWER SWITCH P C B REP2445D S ...

Страница 32: ...SA EX310 A MAIN P C B REP2444C M ...

Страница 33: ...SA EX310 ...

Страница 34: ...SA EX310 F TUNER P C B REP2158A T EG REP2158D T E EB ...

Страница 35: ...SA EX310 J POWER P C B REP2446D P E EG REP2446E P EB H TRANSFORMER P C B REP2444C M ...

Страница 36: ...SA EX310 I IN OUT TERMINAL P C B REP2446D P E EG REP2446E P EB K AC IN OUT P C B REP2446D P E EG REP2446E P EB ...

Страница 37: ...E SOLDER SIDE 7 1 7 1 CN401 CN402 CD REC OUT PLAY IN TAPE JK402 JK403 JK404 VCR OUT IN SOLDER SIDE TV DVD W752 T751 CN751 COMPONENT SIDE T701 POWER TRANSFORMER 3 2 1 COMPONENT SIDE W1 W2 JK794 W1 W2 BLACK WHITE JUMPER FAN MOTOR TUNER P C B F MAIN P C B A PANEL P C B B POWER SWITCH P C B D HEADPHONE JACK P C B E MOTOR P C B C TRANSFORMER P C B H POWER P C B J IN OUT TERMINAL P C B G FRONT AC IN OUT...

Страница 38: ...N P C B 4 CP502 CN502 CN501 5 6 29 29 29 29 29 CP501 CP901 CP902 CP903 19 VOLUME P C B 29 CP904 CP905 PANEL P C B 29 9 8 8 10 8 7 30 30 2 HEADPHONE P C B TUNER P C B MAIN P C B 25 25 30 30 13 25 25 30 HP601 F1 CN751 POWER P C B T751 W2 W1 W1 JK794 F4 F3 W701 W752 CN701A CN701B CN701C 20 IN OUT TERMINAL P C B AC IN OUT P C B 23 26 28 28 26 22 31 16 26 26 26 31 31 14 14 14 14 14 18 15 28 26 28 1 27 ...

Страница 39: ...CONTROL M IC601 RSN307M44 P IC HIC M IC901 M38B53M4053F IC MICOM M IC902 STK311 010 IC RDSDECODER M IC1001 LA2786L IC DPL M IC1002 LV1016L IC SURRDECODER M TRANSISTORS Q 1 0 1 2SC2787LTA TRANSISTOR M Q 1 0 3 2SC2785FETA TRANSISTOR M Q 1 0 4 2SC2785FETA TRANSISTOR M Q 1 0 6 RVTDTA143XST TRANSISTOR M Q 1 0 7 2SC3311ARTA TRANSISTOR M Q 1 0 8 2SC3311ARTA TRANSISTOR M Q 3 5 1 2SD592AQRSTA TRANSISTOR M ...

Страница 40: ... M CN502RJU100W04 4PCONNECTOR M CN701A RJS1A6604T1 4PTAPINGCONNECTOR M CN701B RJS1A6604T1 4PTAPINGCONNECTOR M CN701C RJS1A6604T1 4PTAPINGCONNECTOR M CN751 SJS305 1 3PCONNECTOR M CN752RJS1A6603T1 3PINTAPINGCONNECT M CN901RJU003K008M1 BOADINCONNECTOR M CN902RJU003K008M1 BOADINCONNECTOR M CN903RJU003K008M1 BOADINCONNECTOR M CN904RJU003K008M1 BOADINCONNECTOR M CN905RJU003K008M1 BOADINCONNECTOR M CP101...

Страница 41: ...alues Remarks RESISTORS R103 ERDS2TJ101T 100 1 4W M R104 ERDS2TJ102T 1 K 1 4W M R105 ERDS2TJ471T 470 1 4W M R106 ERDS2TJ224T 220K 1 4W M R107 ERDS2TJ471T 470 1 4W M R110 ERDS2TJ102T 1 K 1 4W M R112 ERDS2TJ104T 100K 1 4W M R113 ERDS2TJ103T 10K 1 4W M R114 ERDS2TJ562T 5 6K 1 4W M R115 ERDS2TJ561T 560 1 4W M R116 ERDS2TJ102T 1 K 1 4W M R117 ERDS2TJ473T 47K 1 4W M R118 ERDS2TJ562T 5 6K 1 4W M R119 ERD...

Страница 42: ...DS2TJ102T 1 K 1 4W M R603 ERDS2TJ102T 1 K 1 4W M R604 ERDS2TJ102T 1 K 1 4W M R605 ERDS2TJ392T 3 9K 1 4W M R606 ERDS2TJ392T 3 9K 1 4W M R607 ERDS2TJ223T 22K 1 4W M R608 ERDS2TJ223T 22K 1 4W M R609 ERDS2TJ222T 2 2K 1 4W M R610 ERDS2TJ222T 2 2K 1 4W M R611 ERDS2TJ222T 2 2K 1 4W M R612 ERDS2TJ222T 2 2K 1 4W M R613 ERDS2TJ182T 1 8K 1 4W M R614 ERDS2TJ182T 1 8K 1 4W M R615 ERDS2TJ182T 1 8K 1 4W M R616 E...

Страница 43: ...TJ102T 1 K 1 4W M R1055 ERDS2TJ473T 47K 1 4W M R1056 ERDS2TJ473T 47K 1 4W M R1061 ERDS2TJ222T 2 2K 1 4W M CAPACITORS C101 ECBT1C103NS5 0 01 16V M C103 ECBT1C103NS5 0 01 16V M C104 ECBT1H102KB5 1000P 50V M C105 ECBT1H470J5 47P 50V M C106 ECBT1C103NS5 0 01 16V M C107 ECBT1H473ZF5 0 047 50V M C108 ECBT1H8R2KC5 8 2P 50V M C109 ECBT1C103NS5 0 01 16V M C110 ECBT1C103NS5 0 01 16V M C111 ECEA1EKA4R7B 4 7 ...

Страница 44: ...5 0 022 50V M C631 ECKR1H223ZF5 0 022 50V M C632 ECKR1H223ZF5 0 022 50V M C635 ECEA1VKA4R7B 4 7 35V M C636 ECEA1HN010SB 1 50V M C637 ECBT1H102KB5 1000P 50V M C638 ECBT1H101KB5 100P 50V M C639 ECBT1H102KB5 1000P 50V M C640 ECKR1H223ZF5 0 022 50V M C641 ECQV1H104JM3 0 1 50V M C642 ECQV1H104JM3 0 1 50V M C643 ECQV1H104JM3 0 1 50V M C644 ECQV1H104JM3 0 1 50V M C683 ECBT1C332KR5 3300P 16V M C684 ECBT1C...

Страница 45: ...D152 ACCESSORY BOX ACCESSORY C1036 ECBT1H101KB5 100P 50V M C1037 ECBT1H101KB5 100P 50V M C1038 ECBT1H101KB5 100P 50V M C1039 ECEA1CU101B 100 16V M C1040 ECEA1CKA100B 1 0 16V M C1041 ECBT1E103ZF5 0 01 25V M C1051 ECA1HM2R2B 2 2 50V M C1052 ECA1HMR33B 0 33 50V M C1053 ECA1HM3R3B 3 3 50V M RefNo PartNo Values Remarks RefNo PartNo Values Remarks C1054 ECEA0JU221B 220 6 3V M C1055 ECA1HMR47B 0 47 50V M...

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