Sony-STRK780-rec-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL Sony Corporation Home Audio Division Published by Sony Techno Create Corporation AEP Model UK Model STR-K780 E Model STR-K680/K780 Australian Model STR-K780 MULTI CHANNEL AV RECEIVER 9-887-140-04 2006H16-1 2006.08 Ver. 1.3 2006.08 SPECIFICATIONS STR-K680/K780 STR-K680 is the tuner and

2、 the amplifier section in HT-DDW680, STR-K780 is the tuner and the amplifier section in HT-DDW780/HTP-36DW. Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories. “DTS” and “DTS Digital Surround” are registered trademark

3、s of Digital Theater Systems, Inc. Continued on next page Photo : STR-K780 Amplifier section Power Output1) Models of area code SP, SP6 (6 ohms 1 kHz, THD 0.7%) FRONT2): 70 W/ch CENTER2): 70W SUR2): 70 W/ch (6 ohms 1 kHz, THD 10%) FRONT2): 100 W/ch CENTER2):100 W SUR2): 100 W/ch Models of area code

4、AEP, UK, RU (6 ohms 1 kHz, THD 0.7%) FRONT2): 85 W/ch CENTER2): 85 W SUR2) 8:5 W/ch (6 ohms 1 kHz, THD 10%) FRONT2): 122 W/ch CENTER2): 122 W SUR2): 122 W/ch Models of area code AUS (6 ohms 120 Hz20 kHz, THD 0.09%) FRONT2): 50 W/ch CENTER2): 50 W SUR2): 50 W/ch (6 ohms 1 kHz, THD 0.7%) FRONT2): 85 W

5、/ch CENTER2): 85 W SUR2): 85 W/ch (6 ohms 1 kHz, THD 10%) FRONT2): 122 W/ch CENTER2): 122 W SUR2): 122 W/ch 1)Measured under the following conditions: 2)Depending on the sound field settings and the source, there may be no sound output. Area codePower requirements SP, SP6, AEP, UK, RU 230 V AC, 50 H

6、z AR230 V AC, 50 Hz Models of area code E51, MX Power Output1) (6 ohms 1 kHz, THD 0.7%) FRONT2): 70 W/ch CENTER2): 70 W SUR2): 70 W/ch (6 ohms 100 Hz, THD 0.7%) SUB WOOFER2): 70 W (6 ohms 1 kHz, THD 10%) FRONT2): 100 W/ch CENTER2): 100 W SUR2): 100 W/ch (6 ohms 100 Hz, THD 10%) SUB WOOFER2): 100W E5

7、1, AUS240 V AC, 50 Hz MX127 V AC, 60 Hz Models of area code AR Power Output1)3) (6 ohms 1 kHz, THD 0.7%) FRONT2): W/ch1), 65 W/ch3) CENTER2): W1), 65 W3) SUR2): W/ch1), 65 W/ch3) (6 ohms 100 Hz, THD 0.7%) SUB WOOFER2): W1), 65 W3) (6 ohms 1 kHz, THD 10%) FRONT2): 100 100 100 100 W/ch1), 90 W/ch3) CE

8、NTER2): W1), 90 W3) SUR2):W/ch1), 90 W/ch3) (6 ohms 100 Hz, THD 10%) SUB WOOFER2):W1), 90 W3) 3) Measured under the following conditions: Area codePower requirements AR220 V AC, 50 Hz 70 70 70 70 RadioFans.CN 收音机爱 好者资料库 2 STR-K680/K780 About area codes The area code of the receiver you purchased is

9、shown on the lower right portion of the rear panel (see the illustration below). Any differences in operation, according to the area code, are clearly indicated in the text, for example, “Models of area code AA only”. CENTERFRONT LR LR + Area code MODEL IDENTIFICATION Rear Panel Parts No. Reproducti

10、on frequency range: 28 20,000 Hz Tone FM tuner section Tuning range87.5 - 108.0 MHz AntennaFM wire antenna Antenna terminals75 ohms, unbalanced Intermediate Frequency 10.7 MHz AM tuner section Tuning range Models of area code AEP, UK, RU, SP, SP6, AUS With 9-kHz tuning scale: 531 - 1,602 kHz Antenna

11、Loop antenna Intermediate Frequency 450 kHz Video section Inputs/Outputs Video:1 Vp-p, 75 ohms COMPONENT VIDEO: Y: 1 Vp-p, 75 ohms PB/CB/B-Y: 0.7 Vp-p, 75 ohms PR/CR/R-Y: 0.7 Vp-p, 75 ohms 80 MHz HD Pass Through (only K780) Gain levels6 dB, 1 dB step Models of area code E51 With 10-kHz tuning scale:

12、 530 1,610 kHz4) With 9-kHz tuning scale: 531 1,602 kHz4) Models of are code AR, MX With 10-kHz tuning scale: 530 1,610 kHz 4) You can change the AM tuning scale to 9 kHz or 10 kHz. After tuning in any AM station, turn off the receiver. While holding down TUNING +, press ?/1. All preset stations wil

13、l be erased when you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure. General Power requirements Power consumption Power consumption (during standby mode) 0.2 W Dimensions (w/h/d) (Approx.) 430 145 300 mm including projecting parts and controls Mass (Approx.)7.

14、5 kg Design and specifications are subject to change without notice. Area codePower requirements AEP, UK, RU230 V AC, 50/60 Hz AUS240 V AC, 50 Hz SP, SP6230 240 V AC, 50/60 Hz Area codePower consumption AEP, UK, AUS, 190 W E51, MX, RU, AR E51120/220/240 V AC, 50/60 Hz M AR X1 220-230V AC, 50/60 Hz 2

15、7 V AC, 60 Hz SP, SP6170 W (K780) 7.8 kg(K680) Inputs (Analog) Inputs (Digital) Outputs (Analog) SA-CD/CD, VIDEO 1, 2, DVD Sensitivity: 800 mV Impedance: 50 kohms DVD (Coaxial)Sensitivity: Impedance: 75 ohms VIDEO 1 (VIDEO 1 is only K780) (only K780) , 2 (Optical) Sensitivity: Impedance: SUB WOOFERV

16、oltage: 2 V Impedance: 1 kohm Abbreviation AR: Argentina model AUS: Australian model E51: Chilean and Peruvian models MX: Mexican model RU: Russian model SP: Singapore model SP6: Singapore and Malaysia models Ver. 1.2 ModelPart No. E51 model2-661-458-2 AR model2-661-458-3 MX model2-661-458-4 AEP, UK

17、, RU models2-662-452-0 SP, SP6 models2-662-452-1 AUS model2-662-452-2 RadioFans.CN 收音机爱 好者资料库 3 STR-K680/K780 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. UNLEADED SOLDER Boards requiring use

18、 of unleaded solder are printed with the lead- free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) : LEAD FREE MARK Unleaded solder has the following characteristics. Unleaded solder m

19、elts at a temperature about 40 C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 C. Caution: The printed pattern (copper foil)

20、 may peel away if the heated tip is applied for too long, so be careful! Strong viscosity Unleaded solder is more viscou-s (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc. Usable with ordinary solder It is best to use only unle

21、aded solder but unleaded solder may also be added to ordinary solder. TABLE OF CONTENTS 1.GENERAL.4 2.TEST MODE. 11 3.DIAGRAMS 3-1.Block Diagram MAIN Section . 14 3-2.Block Diagram DISPLAY/POWER Section . 15 3-3.Printed Wiring Board DIGITAL Board (Side A) . 16 3-4.Printed Wiring Board DIGITAL Board

22、(Side B) . 17 3-5.Schematic Diagram DIGITAL Board (1/3) . 18 3-6.Schematic Diagram DIGITAL Board (2/3) . 19 3-7.Schematic Diagram DIGITAL Board (3/3) . 20 3-8.Printed Wiring Board MAIN Board . 21 3-9.Schematic Diagram MAIN Board (1/3) . 22 3-10. Schematic Diagram MAIN Board (2/3), HEADPHONE Board .

23、23 3-11. Schematic Diagram MAIN Board (3/3), AC SELECT Board, ADCC Board, STANDBY Board . 24 3-12. Printed Wiring Boards ADCC Board, HEADPHONE Board . 25 3-13. Printed Wiring Boards STANDBY Board, AC SELECT Board . 26 3-14. Printed Wiring Board DISPLAY Board . 27 3-15. Printed Wiring Boards TUNING B

24、oard, POWER Board . 28 3-16. Schematic Diagram DISPLAY Board, TUNING Board, POWER Board . 29 3-17. Printed Wiring Board VIDEO Board . 30 3-18. Schematic Diagram VIDEO Board . 31 4.EXPLODED VIEWS 4-1.Front Panel Section . 39 4-2.Chassis Section. 40 5.ELECTRICAL PARTS LIST. 41 SAFETY-RELATED COMPONENT

25、 WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. RadioFans.CN 收音机爱 好者资料库

26、 4 STR-K680/K780 SECTION 1 GENERAL This section is extracted from instruction manual. Front panel Receiver AUTO CAL MIC PHONES MEMORY FM MODETUNING+ PRESET TUNING VIDEO 1VIDEO 2DVDSA-CD/CDFMAM AMP MENUENTERMASTER VOLUME INPUT MODE + DISPLAYDIMMER 2CHA.F.D.MOVIEMUSIC ?/1 12 346 78 9 5 qjqkqlw;qgqhqfq

27、aq;qsqd NameFunction A?/1Press to turn the receiver on or off. BDISPLAYPress to select information displayed on the display. CDIMMERPress to adjust the brightness of the display. DRemote sensor Receives signals from remote commander. EDisplayThe current status of the selected component or a list of

28、selectable items appears here. F2CHPress to select 2CH STEREO mode. GA.F.D.Press to select A.F.D. mode. NameFunction HMOVIE, MUSIC Press to select sound fields (MOVIE, MUSIC). IMASTER VOLUME Turn to adjust the volume level of all speakers at the same time. JENTERPress to store a station or enter the

29、 selection when selecting the settings. KINPUT MODEPress to select the input mode when the same components are connected to both digital and analog jacks. LI/i/U/uAfter pressing AMP MENU (M), press I or i and U or u to select the settings. MAMP MENUPress to display the menu of the receiver. NInput b

30、uttonsPress one of the buttons to select the component you want to use. OPRESET TUNING +/ Press to select a preset station. PTUNING +/Press to scan a station. QMEMORYPress to store a station. RFM MODEPress to select FM monaural or stereo reception. SPHONES jackConnects to a headphone. TAUTO CAL MIC

31、jack Connects to the supplied ECM-AC2 optimizer microphone for the Auto Calibration function. 5 STR-K680/K780 About the indicators on the display MEMORY LCR SLSSR SW LFESPRDS STEREO MONOD.RANGESLEEP OPT COAX DIGITAL;DTS;PRO LOGIC II q;9qd qf qaqs 2143567 8 NameFunction A SWLights up when audio signa

32、l is output from the SUB WOOFER jack. B LFELights up when the disc being played back contains an LFE (Low Frequency Effect) channel and the LFE channel signal is actually being reproduced. C SPLights up when the receiver is turned on. This indicator does not light up if a headphone is connected to t

33、he PHONES jack. D ;DIGITALLights up when Dolby Digital signals are input. Note When playing a Dolby Digital format disc, be sure that you have made digital connections and that INPUT MODE is not set to “ANALOG”. E ; PRO LOGIC (II) “; PRO LOGIC” lights up when the receiver applies Pro Logic processin

34、g to 2 channel signals in order to output the center and surround channel signals. “; PRO LOGIC II” lights up when the Pro Logic II Movie/Music decoder is activated. Note Dolby Pro Logic and Dolby Pro Logic II decoding do not function for DTS format signals. NameFunction F DTSLights up when DTS sign

35、als are input. Note When playing a DTS format disc, be sure that you have made digital connections and that INPUT MODE is not set to “ANALOG”. G MEMORYLights up when a memory function, such as Name Input, Preset Memory, etc., is activated. H Preset station indicators Lights up when using the receive

36、r to tune in radio stations you have preset. For details on presetting radio stations. I Tuner indicators Lights up when using the receiver to tune in radio stations, etc. Note “RDS” appears for models of area code AEP, UK only. J D.RANGELights up when dynamic range compression is activated. K COAXL

37、ights up when INPUT MODE is set to “AUTO” and the source signal is a digital signal being input through the COAXIAL jack, or when INPUT MODE is set to “COAX IN”. L OPTLights up when INPUT MODE is set to “AUTO” and the source signal is a digital signal being input through the OPTICAL jack, or when IN

38、PUT MODE is set to “OPT IN”. M SLEEPLights up when the Sleep Timer function is activated. N Playback channel indicators L R C SL SR S The letters (L, C, R, etc.) indicate the channels being played back. The boxes around the letters vary to show how the receiver downmixes the source sound. Front Left

39、 Front Right Center (monaural) Surround Left Surround Right Surround (monaural or the surround components obtained by Pro Logic processing) Example: Recording format (Front/ Surround): Dolby Digital 3/2.1 Sound Field: A.F.D. AUTO LCR SLSR SWLFE 6 STR-K680/K780 Rear STR-K780 model panel * You can wat

40、ch the selected input image when you connect the MONITOR OUT jack to a TV monitor. 3 56 241 DVD IN DIGITAL OPTICAL VIDEO 2 IN VIDEO 1 IN COAXIAL SA-CD/CD AUDIO IN DVD AUDIO IN VIDEO 2 AUDIO IN VIDEO INVIDEO IN AM ANTENNA SURROUND SPEAKERS LR LR + CENTERFRONT LR LR + R L R L R L AUDIO OUT VIDEO 1 AUD

41、IO IN VIDEO INVIDEO OUT SUB WOOFER MONITOR COMPONENT VIDEO DVD IN VIDEO 2 IN MONITOR OUT Y PB/CB /BY PR/CR /RY ADIGITAL INPUT section OPTICAL IN jack Connects to a DVD player, etc. The COAXIAL jack provides a better quality of loud sound. COAXIAL IN jack BANTENNA section FM ANTENNA Connects to the F

42、M wire antenna supplied with this receiver. AM ANTENNA Connects to the AM loop antenna supplied with this receiver. CVIDEO/AUDIO INPUT/OUTPUT section AUDIO IN/ OUT jack Connects the video and audio jacks of a VCR or a DVD player. VIDEO IN/ OUT jack* White (L) Red (R) Yellow D COMPONENT VIDEO INPUT/

43、OUTPUT section COMPONENT VIDEO INPUT/ OUTPUT jack* Connects to a DVD player, TV, or a satellite tuner. You can enjoy high quality image. E SPEAKER section Connects to the speakers. Connects to the sub woofer. F AUDIO INPUT section AUDIO IN jack Connects to a CD player, etc. Green Blue Red White (L)

44、Red (R) 7 STR-K680/K780 Rear pan STR-K680 model el SUB WOOFERSURROUND DVD IN SPEAKERS SA-CD/CD AUDIO IN DVD AUDIO IN VIDEO 2 AUDIO IN VIDEO 1 AUDIO IN LR LR + DIGITAL OPTICAL VIDEO 2 IN COAXIAL AM ANTENNA CENTERFRONT LR LR + RR L L L R 1342 ADIGITAL INPUT section OPTICAL IN jack Connects to a DVD pl

45、ayer, etc. The COAXIAL jack provides a better quality of loud sound. COAXIAL IN jack BANTENNA section FM ANTENNA Connects to the FM wire antenna supplied with this receiver. AM ANTENNA Connects to the AM loop antenna supplied with this receiver. CAUDIO INPUT section AUDIO IN jack Connects to a CD pl

46、ayer, etc. DSPEAKER section Connects to the speakers and sub woofer. White (L) Red (R) 8 STR-K680/K780 You can use the supplied remote RM-AAU006 to operate the receiver and to control the Sony audio/video components that the remote is assigned to operate. Remote commander 123 46 78 0/10ENTER 9 SYSTE

47、M STANDBY TV/VIDEO SLEEP AUTO CAL AV ?/1 VIDEO 1VIDEO 2DVDSA-CD/CD 2CHA.F.D. RETURN/EXIT TV CH PRESET TV CH + PRESET + TUNING TV TUNING + REPLAY ADVANCE MENU MOVIEMUSIC MEMORY DVD MENU CLEAR TOOLSDISPLAYMUTING TV VOL MASTER VOL FM MODE D.TUNING D.SKIP DUAL MONO TUNERAMP MENU TV ?/1 ?/1 - F Gg f . HmM Xx 5 AV ?/1 (on/standby) switch TV ?/1, ?/1 (on/standby) switch 10/ 1 3 2 wf wg 5 6 7 8 q; 9 qs qd qf qg qj q