Sony-STRK885-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 E Model Australian Model MULTI CHANNEL AV RECEIVER 9-887-651-02 2007H16-1 2007.08 Ver. 1.1 2007.08 SPECIFICATIONS STR-K885 STR-K885 is the tuner and the amplifier section in HT-DDW885. This receiver incor

2、porates Dolby* Digital and Pro Logic Surround and the DTS* Digital Surround System. *Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic”, “Surround EX”, and the double-D symbol are trademarks of Dolby Laboratories. * “DTS” and “DTS-ES Neo:6” are registered trademarks of DTS, Inc

3、. “96/24” is a trademark of DTS, Inc. Continued on next page Amplifier section Models of area code SP, SP6, AUS, E51 Stereo mode (6 ohms, 1 kHz, THD 1%) 90 W + 90 W1) Surround mode2) (reference) (6 ohms, 1 kHz, THD 10%) RMS output FRONT: 135 W per channel1) CENTER:135 W1) SURROUND: 135 W per channel

4、1) SURROUND BACK: 135 W1) Models of area code AR Stereo mode (6 ohms, 1 kHz, THD 1%) 90 W + 90 W1) 80 W + 80 W3) Surround mode2) (reference) (6 ohms, 1 kHz, THD 10%) RMS output FRONT: 135 W per channel1), 125 W per channel3) CENTER:135 W1) SURROUND: 135 W per channel1), 125 W per channel3) SURROUND

5、BACK: 135 W1), 125 W3) 1)Measured under the following conditions: 2)Reference power output for front, center, surround and surround back speakers. Depending on the sound field settings and the source, there may be no sound output. 3)Measured under the following conditions: 220 V AC, 50 Hz Inputs Ana

6、logSensitivity: 800 mV/ 50 kohms Digital (Coaxial)Impedance: 75 ohms Outputs (Analog) AUDIO OUTVoltage: 800 mV/ 10 kohms SUB WOOFERVoltage: 2 V/1 kohm Tone Gain levels6 dB, 1 dB step Reproduction frequency range: 28 20,000 Hz FM tuner section Tuning range87.5 - 108.0 MHz AntennaFM wire antenna Anten

7、na terminals75 ohms, unbalanced Intermediate frequency 10.7 MHz AM tuner section Tuning range Models of area code SP, SP6, AUS With 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 With

8、 10-kHz tuning scale: 530 1,610 kHz AntennaLoop antenna Intermediate frequency 450 kHz Area codePower requirements SP, SP6, AR230 V AC, 50 Hz AUS, E51240 V AC, 50 Hz RadioFans.CN 收音机爱 好者资料库 2 STR-K885 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minu

9、s 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 printed with the lead free mark due to their particular

10、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 for a slightly longer time. Soldering irons using a tem

11、perature 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 ordinary solder so use caution not to let solder bri

12、dges 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 MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIS

13、T 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 right portion of the rear panel (see the illustration b

14、elow). Any differences in operation, according to the area code, are clearly indicated in the text, for example, “Models of area code AA only”. SURROUND L R CENTER SURROUND BACK Area code Video section Inputs/Outputs Video:1 Vp-p, 75 ohms COMPONENT VIDEO: Y: 1 Vp-p, 75 ohms PB/CB: 0.7 Vp-p, 75 ohms

15、PR/CR: 0.7 Vp-p, 75 ohms 80 MHz HD Pass Through General Power requirements (Models of area code SP, SP6, AUS only) Power output (DIGITAL MEDIA PORT) DC OUT: 5V, 700 mA Power consumption Power consumption (during standby mode) 0.3 W Dimensions (width/height/depth) (Approx.) 430 157.5 310 mm including

16、 projecting parts and controls Mass (Approx.)7.6 kg Area codePower requirements SP, SP6230 240 V AC, 50/60 Hz AUS240 V AC, 50 Hz AR220 230 V AC, 50/60 Hz E51120/220/240 V AC, 50/60 Hz Area codePower consumption SP, SP6, AUS, E51, AR 200 W 4)You can change the AM tuning scale to 9 kHz or 10 kHz. Afte

17、r tuning in any AM station, turn off the receiver. While holding down TUNING MODE, 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. Design and specifications are subject to change without notice. Abbreviati

18、on AR: Argentine model AUS : Australian model E51: Chilean and Peruvian models SP: Singapore model SP6: Singapore and Malaysia models Parts No. MODEL IDENTIFICATION Rear Panel ModelPart No. SP, SP6 models2-897-029-1 AUS model2-897-029-2 E51 model2-897-029-3 AR model2-897-029-4 Ver. 1.1 RadioFans.CN

19、收音机爱 好者资料库 3 STR-K885 TABLE OF CONTENTS 1.GENERAL.4 2.TEST MODE. 10 3.ELECTRICAL ADJUSTMENT. 12 4.DIAGRAMS. 13 4-1.Block 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-

20、5.Schematic Diagram DIGITAL Board (1/5) . 18 4-6.Schematic Diagram DIGITAL Board (2/5) . 19 4-7.Schematic Diagram DIGITAL 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. Schematic Diagram

21、MAIN Board (1/4) . 24 4-12. Schematic Diagram MAIN Board (2/4) . 25 4-13. Schematic Diagram MAIN Board (3/4) . 26 4-14. Schematic Diagram MAIN Board (4/4) . 27 4-15. Printed Wiring Boards DISPLAY Board, POWER KEY Board . 28 4-16. Schematic Diagram DISPLAY Board, POWER KEY Board . 29 4-17. Printed Wi

22、ring Boards STANDBY Board, DCDC Board, AC Select Board (E51 only) . 30 4-18. Schematic Diagram STANDBY Board, DCDC Board, AC Select Board (E51 only) . 31 4-19. Printed Wiring Boards DCAC Board, VIDEO3 Board . 32 4-20. Schematic Diagram DCAC Board, VIDEO3 Board . 33 4-21. Printed Wiring Boards VIDEO

23、Board, HEADPHONE Board . 34 4-22. Schematic Diagram VIDEO Board, HEADPHONE Board . 35 4-23. Printed Wiring Board HDMI SW Board . 36 4-24. Schematic Diagram HDMI SW Board . 37 5.EXPLODED VIEWS 5-1.Front Panel Section . 44 5-2.Chassis Section. 45 6.ELECTRICAL PARTS LIST. 46 RadioFans.CN 收音机爱 好者资料库 4 S

24、TR-K885 SECTION 1 GENERAL This section is extracted from instruction manual. Front panel . Receiver ?/1 AUTO CAL MIC AUTO CAL PHONES VIDEO 3 IN/PORTABLE AV IN VIDEOL AUDIO R MEMORY/ ENTER TUNING MODETUNING2CHA.F.D.MOVIEMUSIC DIMMERMUTING DISPLAYINPUT MODE INPUT SELECTOR MASTER VOLUME 34 89 1 2567 q;

25、qaqjqsqgqhqdqf NameFunction A ?/1 (on/standby) Press to turn the receiver on or off (page 28, 36, 37, 54). B AUTO CALPress to activate the Auto Calibration function (page 30). C DisplayThe current status of the selected component or a list of selectable items appears here (page 6). D Remote sensorRe

26、ceives signals from remote commander. E DISPLAYPress to select information displayed on the display (page 62). NameFunction F INPUT MODEPress to select the input mode when the same components are connected to both digital and analog jacks (page 59). G MASTER VOLUME Turn to adjust the volume level of

27、 all speakers at the same time (page 33, 34, 36, 37). H MUTINGPress to mute the sound (page 34). I DIMMERPress to adjust the brightness of the display. J INPUT SELECTOR Turn to select the input source to playback (page 34). K 2CHPress to select a sound field (page 49, 51, 54). A.F.D. MOVIE MUSIC L T

28、UNING +/Press to scan a station (page 55, 58). M TUNING MODEPress to select the tuning mode (page 55, 58). N MEMORY/ ENTER Press to store a station or enter the selection when selecting the settings (page 28, 57). O VIDEO 3 IN/ PORTABLE AV IN jacks Connects to a camcorder or video game (page 25, 34)

29、. P AUTO CAL MIC jack Connects to the supplied optimizer microphone for the Auto Calibration function (page 29). Q PHONES jackConnects to headphones (page 69). 5 STR-K885 About the indicators on the display SWLFE LC SLS ;D EX;PL IIx;PLOPTDTS -ES 96/24MEMORYST MONOD.RANGECOAXNEO:6 SB R SR 123465798 q

30、;qaqfqdqs NameFunction A SWLights up when the audio signal 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 ; D (EX)Lights up when the receiver is decoding Dolb

31、y Digital signals. “; D EX” lights up when the receiver is decoding Dolby Digital Surround EX signals. 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” (page 59). D ; PL II (x)Lights up when the Pro Logic II Movi

32、e/Music/Game decoder is activated. “; PL IIx” lights up when the Pro Logic IIx Movie/Music/ Game decoder is activated. Note Dolby Pro Logic IIx decoding does not function for DTS format signals or for signals with a sampling frequency of more than 48 kHz. E ; PLLights up when the receiver applies Pr

33、o Logic processing to 2 channel signals in order to output the center and surround channel signals. NameFunction F OPTLights up when VIDEO 2 input is selected. However, “UNLOCK” appears on the display if no digital signal is input through the OPTICAL jack. “OPT” also lights up when SAT input is sele

34、cted if INPUT MODE is set to “AUTO IN” and the source signal is a digital signal being input through the OPTICAL jack. INPUT MODE is set to “OPT IN” (page 59). G DTS (-ES)/ (96/24) Lights up when the receiver is decoding DTS signals. “DTS-ES” lights up when the receiver is decoding DTS-ES signals. “

35、DTS 96/24” lights up when the receiver is decoding DTS 96 kHz/24 bit signals. Note When playing a DTS format disc, be sure that you have made digital connections and that INPUT MODE is not set to “ANALOG” (page 59). H MEMORYLights up when a memory function, such as Preset Memory (page 56), etc., is

36、activated. I Tuner indicators Lights up when using the receiver to tune in radio stations (page 55), etc. NameFunction J Preset station indicators Lights up when using the receiver to tune in preset radio stations. For details on presetting radio stations, see page 56. K D.RANGELights up when dynami

37、c range compression is activated (page 39). L NEO:6Lights up when DTS Neo:6 Cinema/Music decoder is activated (page 50). M COAXLights up when INPUT MODE is set to “AUTO IN” and the source signal is a digital signal being input through the COAXIAL jack, or when INPUT MODE is set to “COAX IN” (page 59

38、). N Playback channel indicators L R C SL SR S SB 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 th

39、e surround components obtained by Pro Logic processing) Surround Back (the surround back components obtained by 6.1 channel decoding) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. AUTO SW LCR SLSR 6 STR-K885 Rear panel 12 DIGITAL DMPORT OPTICAL SAT IN DVD IN COAXIAL ANTENNA

40、VIDEO 2/ BD IN AM SA-CD/CD/CD-RTV L R OUTININ HDMI DVD INVIDEO 2/BD INOUT SAT AUDIO IN VIDEO IN DVD AUDIO IN VIDEO IN VIDEO 1 AUDIO OUT VIDEO OUT VIDEO OUTSAT IN AUDIO IN AUDIO OUT VIDEO IN L R L R L R SUB WOOFER MONITORCOMPONENT VIDEO DVD INVIDEO 1 IN Y PB/CB PR/CR MONITOR OUT SPEAKERS FRONT L R SU

41、RROUND L R CENTER SURROUND BACK 3456 ADIGITAL INPUT/OUTPUT section OPTICAL IN jacks Connects to a DVD player, etc. The COAXIAL jack provides a better quality of loud sound (page 19, 22, 24). COAXIAL IN jack HDMI IN/ OUT jacks* Connects to a DVD player or a Blu-ray disc player. The image and the soun

42、d are output to a TV or a projector (page 19). DMPORT jack (Models of area code SP, AUS only) Connects to a DIGITAL MEDIA PORT adapter (page 60). BCOMPONENT VIDEO INPUT/ OUTPUT section COMPONENT VIDEO INPUT/ OUTPUT jacks* Connects to a DVD player, TV, satellite tuner, etc. You can enjoy high quality

43、 image (page 2124). Green (Y) Blue (PB/CB) Red (PR/CR) C SPEAKERS section Connects to speakers (page 15). Connects to sub woofer (page 15). D VIDEO/AUDIO INPUT/OUTPUT section AUDIO IN/ OUT jacks Connects to the video and audio jacks of a VCR, DVD player, etc. (page 2125). VIDEO IN/ OUT jacks* E AUDI

44、O INPUT/OUTPUT section AUDIO IN/ OUT jacks Connects to a Super Audio CD player, CD recorder, etc. (page 17, 21). White (L) Red (R) Yellow White (L) Red (R) * You can watch the selected input image when you connect the HDMI OUT or MONITOR OUT jack to a TV (page 21). FANTENNA section FM ANTENNA jack C

45、onnects to the FM wire antenna supplied with this receiver (page 26). AM ANTENNA terminals Connects to the AM loop antenna supplied with this receiver (page 26). Model of area code SP6 uses same jack as the model of area code SP. Ver. 1.1 7 STR-K885 RM-AAU013 (Models of area code E51, AR only) 123 4

46、6 78 0/10ENTER 9 SYSTEM STANDBY TV INPUT SLEEP AUTO CAL TV ?/1 AV ?/1 VIDEO 1VIDEO 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 - V Bb v . HmM Xx 5 10/ ws qg qj qk qh qf ql w; wa qd 1 3 2 5 6 7 8 q; 9 qs qa 4 NameFunction A TV ?/1 (on/standby) Press TV ?/1 and TV (M) at the same time to turn the TV on or off. AV ?/1 (on/standby) Press to turn on or off the Sony audio