Sony-STRK685-rec-sm 电路图 维修手册.pdf

《Sony-STRK685-rec-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Sony-STRK685-rec-sm 电路图 维修手册.pdf（52页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL Sony Corporation Home Audio Division Published by Sony Techno Create Corporation E Model FM STEREO/FM-AM RECEIVER 9-887-654-03 2007G16-1 2007.07 Ver. 1.2 2007.07 SPECIFICATIONS STR-K685 STR-K685 is the tuner and the amplifier section in HT-DDW685. This receiver incorporates Dolby* Dig

2、ital and Pro Logic Surround and the DTS* Digital Surround System. *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 trademarks of DTS, Inc. Continued on next page A

3、mplifier section Models of area code SP, SP6, E51, MX, TH Power Output1) Stereo mode (rated) (6 ohms 1 kHz, THD 1%) 70 W + 70 W Surround mode2) (reference) (6 ohms 1 kHz, THD 10%) RMS output FRONT:100 W per channel CENTER: 100 W SURROUND: 100 W per channel Surround mode2) (reference) (10 ohms 100 Hz

4、, THD 10%) SUB WOOFER: 60 W per channel Models of area code AR Power Output1)3) Stereo mode (rated) (6 ohms 1 kHz, THD 1%) 70 W + 70 W1) 65 W + 65 W3) Surround mode2) (reference) (6 ohms 1 kHz, THD 10%) RMS output FRONT: 100 W per channel1) 90 W per channel3) CENTER: 100 W1) 90 W3) SURROUND: 100 W p

5、er channel1) 90 W per channel3) Surround mode2) (reference) (10 ohms 100 Hz, THD 10%) SUB WOOFER: 60 W per channel1) 50 W per channel3) 1)Measured under the following conditions: Area codePower requirements SP, SP6, AR, TH230 V AC, 50 Hz E51240 V AC, 50 Hz MX 2)Reference power output for front, cent

6、er, surround speakers and sub woofer. Depending on the sound field settings and the source, there may be no sound output. 3)Measured under the following conditions: Inputs AnalogSensitivity: 800 mV/ 50 kohms Digital (Coaxial)Impedance: 75 ohms Tone Gain levels6 dB, 1 dB step Reproduction frequency r

7、ange: 28 20,000 Hz FM tuner section Tuning range87.5 - 108.0 MHz AntennaFM wire antenna Antenna terminals75 ohms, unbalanced Intermediate frequency 10.7 MHz Area codePower requirements AR220 V AC, 50 Hz 127 V AC, 60 Hz RadioFans.CN 收音机爱 好者资料库 2 STR-K685 Notes on chip component replacement Never reus

8、e a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. UNLEADED SOLDER Boards requiring use 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 pri

9、nted with the lead free mark due to their particular size) : LEAD FREE MARK Unleaded solder has the following characteristics. Unleaded solder melts 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 fo

10、r a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 C. Caution: The printed pattern (copper foil) 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

11、 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 unleaded solder but unleaded solder may also be added to ordinary solder. SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH

12、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. About area codes The area code of the receiver you purchased is shown on the lower ri

13、ght 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”. FRONTCENTER LR LR SPEAKERS Area code AM tuner section Tuning range Models of area code SP, SP6, TH With

14、 9-kHz tuning scale: 531 1,602 kHz Models of area code E51: With 10-kHz tuning scale: 530 1,610 kHz4) With 9-kHz tuning scale: 531 1,602 kHz4) Models of area code AR, MX With 10-kHz tuning scale: 530 1,610 kHz AntennaLoop antenna Intermediate frequency 450 kHz 4)You can change the AM tuning scale to

15、 9 kHz or 10 kHz. After tuning in any AM station, turn off the receiver. While holding down MOVIE, press ?/1. All preset stations will 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 consump

16、tion (during standby mode) 0.3 W Dimensions (w/h/d) (Approx.) 429 145 ? 308 mm (16 7/8 5 6/8 12 1/8 inches) including projecting parts and controls Mass (Approx.)7.4 kg (16 lb 9 oz) Area codePower requirements SP, SP6, TH 230 240 V AC, 50/60 Hz E51120/220/240 V AC, 50/60 Hz AR220 230 V AC, 50/60 Hz

17、MX127 V AC, 60 Hz Area codePower consumption SP, SP6, E51, AR, MX, TH 190 W Design and specifications are subject to change without notice. Abbreviation AR: Argentine model E51: Chilean and Peruvian models MX: Mexican model SP: Singapore model SP6: Singapore and Malaysia models TH: Thai model Ver. 1

18、.2 ModelPart No. SP and SP6 models2-896-343-0 E51 model2-896-343-1 MX model2-896-343-2 AR model2-896-343-3 TH model2-896-343-7 Parts No. MODEL IDENTIFICATION Rear Panel RadioFans.CN 收音机爱 好者资料库 3 STR-K685 TABLE OF CONTENTS 1.GENERAL.4 2.TEST MODE. 10 3.ELECTRICAL ADJUSTMENT. 12 4.DIAGRAMS. 13 4-1.Blo

19、ck Diagram MAIN Section . 14 4-2.Block Diagram DISPLAY/POWER Section . 15 4-3.Printed Wiring Board DIGITAL Board (Side A) . 16 4-4.Printed Wiring Board DIGITAL Board (Side B) . 17 4-5.Schematic Diagram DIGITAL Board (1/5) . 18 4-6.Schematic Diagram DIGITAL Board (2/5) . 19 4-7.Schematic Diagram DIGI

20、TAL Board (3/5) . 20 4-8.Schematic Diagram DIGITAL Board (4/5) . 21 4-9.Schematic Diagram DIGITAL Board (5/5) . 22 4-10. Printed Wiring Board MAIN Board . 23 4-11. Printed Wiring Board STANDBY Board, AC SELECT Board (E51 only) . 24 4-12. Schematic Diagram MAIN Board (1/4) . 25 4-13. Schematic Diagra

21、m MAIN Board (2/4), STANDBY Board, AC SELECT Board (E51 only) . 26 4-14. Schematic Diagram MAIN Board (3/4) . 27 4-15. Schematic Diagram MAIN Board (4/4) . 28 4-16. Printed Wiring Board DISPLAY Board . 29 4-17. Schematic Diagram DISPLAY Board . 30 4-18. Printed Wiring Boards POWER Board, DCAC Board,

22、 HEADPHONE Board . 31 4-19. Schematic Diagram POWER Board, DCAC Board, HEADPHONE Board . 32 5.EXPLODED VIEWS 5-1.Front Panel Section . 39 5-2.Chassis Section. 40 6.ELECTRICAL PARTS LIST. 41 RadioFans.CN 收音机爱 好者资料库 4 STR-K685 SECTION 1 GENERAL Front panel Receiver VIDEO 1 IN/ PORTABLE AUDIO IN/ AUTO

23、CAL MIC PHONES INPUT SELECTOR A.F.D.MOVIEMUSIC ?/1 9q;qfqaqd 12 3 47658 qs DIMMERSLEEP2CH DISPLAY MASTER VOLUME AUTO CAL NameFunction A ?/1 (on/standby) Press to turn the receiver on or off. B DIMMERPress to adjust the brightness of the display. C SLEEPPress to activate the Sleep Timer function and

24、the duration which the receiver turns off automatically. D 2CHPress to select 2CH STEREO mode. E DisplayThe current status of the selected component or a list of selectable items appears here. F DISPLAYPress to select information displayed on the display. G AUTO CALPress to activate the Auto Calibra

25、tion function. NameFunction H MASTER VOLUME Turn to adjust the volume level of all speakers at the same time. I INPUT SELECTOR Turn to select the input source to playback. J Remote sensorReceives signals from remote commander. K MOVIE, MUSICPress to select sound fields (MOVIE, MUSIC). L A.F.D.Press

26、to select A.F.D. mode. M PHONES jackConnects to a headphone. N VIDEO 1 IN/ PORTABLE AUDIO IN/ AUTO CAL MIC jack Connects to the supplied optimizer microphone for the Auto Calibration function. To connect a portable audio such as MP3 player, etc. 5 STR-K685 About the indicators on the display SWLFE L

27、CR SLSSR ;D;PLII;PLOPTDTSMEMORYRDS ST MONOD.RANGECOAX 12345687 qsqa9q; NameFunction ASWLights up when audio signal is output from the SUB WOOFER jack. BLFELights up when the disc being played back contains an LFE (Low Frequency Effect) channel and the LFE channel signal is actually being reproduced.

28、 C; DLights up when the receiver is decoding Dolby Digital signals. D; PL/ ; PLII “; PL” lights up when the receiver applies Pro Logic processing to 2 channel signals in order to output the center and surround channel signals. “; PLII” lights up when the Pro Logic II Movie/Music decoder is activated

29、. Note Dolby Pro Logic and Dolby Pro Logic II decoding do not function for DTS format signals. EOPTLights up when VIDEO 2 input is selected. However, “UNLOCK” appears on the display if no digital signal is input through the OPTICAL jack. NameFunction F DTSLights up when the receiver is decoding DTS

30、signals. G MEMORYLights up when a memory function, such as Name Input, Preset Memory, etc., is activated. H 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. I Preset station indicators Lights up when using the

31、 receiver to tune in radio stations you have preset. For details on presetting radio stations. J D.RANGELights up when dynamic range compression is activated. K COAXLights up when DVD input is selected. However, “UNLOCK” appears on the display if no digital signal is input through the COAXIAL jack.

32、L 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 Front Right Center (monaural) Surround Left Surround Right Surround (monaural or the surr

33、ound components obtained by Pro Logic processing) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. AUTO SWLFE LCR SLSR 6 STR-K685 Rear panel * The numbers of the SUB WOOFER terminals varies depending on the models. 1243 SUB WOOFERSURROUND DVD IN DIGITAL OPTICAL VIDEO 2/ BD IN C

34、OAXIAL ANTENNA LR LR AM SA-CD/CD L R AUDIO IN TV AUDIO IN SAT AUDIO IN SPEAKERSSPEAKERS FRONTCENTER LR LR ADIGITAL INPUT section OPTICAL IN jack Connects to a DVD player, etc. The COAXIAL jack provides a better quality of loud sound (page 19). COAXIAL IN jack BANTENNA section FM ANTENNA jack Connect

35、s to the FM wire antenna supplied with this receiver (page 21). AM ANTENNA terminals Connects to the AM loop antenna supplied with this receiver (page 21). C AUDIO INPUT section AUDIO IN jacks Connects to a CD player, etc. (page 17). D SPEAKER section Connects to the speakers and sub woofer* (page 1

36、5). White (L) Red (R) 7 STR-K685 You can use the supplied remote RM-AAU013 to operate the receiver and to control the Sony audio/video components that the remote is assigned to operate. RM-AAU013 Remote commander 123 46 78 0/10ENTER 9 SYSTEM STANDBY TV INPUT SLEEP AUTO CAL TV ?/1 AV ?/1 VIDEO 1VIDEO

37、 2VIDEO 3DVD 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 AMP MENU SATTVSA-CD/CDTUNER ?/1 - F Gg f . HmM Xx 5 10/ wd qj ql qk w; wa ws qg 1 3 2 6 7 8 q; 9 qf qs

38、 qa 4 5 qd qh NameFunction A TV ?/1 (on/standby) Press TV ?/1 and TV (O) at the same time to turn the TV on or off. AV ?/1 (on/standby) Press to turn on or off the Sony audio/video components that the remote is assigned to operate. If you press ?/1 (B) at the same time, it will turn off the receiver

39、 and other components (SYSTEM STANDBY). Note The function of the AV ?/1 switch changes automatically each time you press the input buttons (C). B ?/1 (on/standby) Press to turn the receiver on or off. To turn off all components, press ?/1 and AV ?/1 (A) at the same time (SYSTEM STANDBY). C Input but

40、tons Press one of the buttons to select the component you want to use. When you press any of the input buttons, the receiver turns on. The buttons are factory assigned to control Sony components as follows. ButtonAssigned Sony component VIDEO 1VCR (VTR mode 3) VIDEO 2VCR (VTR mode 2) VIDEO 3Not assi

41、gned DVDDVD player SATSatellite tuner TVTelevision SA-CD/CD Super Audio CD/CD player TUNERBuilt-in tuner 8 STR-K685 NameFunction D 2CHPress to select 2CH STEREO mode. A.F.D.Press to select A.F.D. mode. MOVIE, MUSIC Press to select sound fields (MOVIE, MUSIC). E AMP MENUPress to display the menu of t

42、he receiver. Then, use V, v, B, b and to perform menu operations. F FM MODEPress to select FM monaural or stereo reception. G D.TUNINGPress to enter direct tuning mode. D.SKIPPress to skip disc of the CD player or DVD player (multi- disc changer only). H DVD MENUPress to display the menu of the DVD

43、player on the TV screen. Then, use V, v, B, b and to perform menu operations. I ENTERPress to enter the value after selecting a channel, disc or track using the numeric buttons of the TV, VCR or satellite tuner. MEMORYPress to store a station. J TOOLSPress to display options applicable to the entire

44、 disc (e.g. disc protection), recorder (e.g. audio settings during recording), or multiple items on a list menu (e.g. erasing multiple titles). Press TOOLS and TV (O) at the same time to display options applicable to the TV. K MUTINGPress to activate muting function. Press MUTING and TV (O) at the s

45、ame time to activate the TVs muting function. L TV VOL +*/ Press TV VOL +/ and TV (O) at the same time to adjust the TV volume level. MASTER VOL +*/ Press to adjust the volume level of all speakers at the same time. NameFunction M MENUPress to display the menus of the VCR, DVD player, Blu-ray disc p

46、layer or satellite tuner on the TV screen. Press MENU and TV (O) at the same time to display the TVs menu. Then, use V, v, B, b and to perform menu operations. N ./Press to skips tracks of the CD player, DVD player or Blu-ray disc player. m/MPress to search tracks in the forward/backward direction o

47、f the DVD player or to fast forward/rewind of the VCR, CD player or Blu-ray disc player. H*Press to start playback of the VCR, CD player, DVD player or Blu-ray disc player. XPress to pause playback or recording of the VCR, CD player, DVD player or Blu-ray disc player. (Also starts recording with components in recording standby.) xPress to stop playback of the VCR,