Sony-STRK870P-rec-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL Sony Corporation Audio Group Published by Sony Engineering Corporation US Model Canadian Model AEP Model UK Model E Model Australian Model FM STEREO FM-AM RECEIVER 9-879-448-01 2005B1678-1 2005.02 Ver. 1.0 2005.02 SPECIFICATIONS STR-K870P STR-K870P is the tuner and the amplifier secti

2、on in HT-DDW870. 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 Digital Theater Systems, Inc. Models of area code AUS (6 ohms 120 Hz 20 kHz, THD 0.09%

3、) FRONT2): 50 W/ch CENTER2): 50 W SURR2): 50 W/ch SURR BACK2): 50 W (6 ohms 1 kHz, THD 0.7%) FRONT2): 60 W/ch CENTER2): 60 W SURR2): 60 W/ch SURR BACK2): 60 W (6 ohms 1 kHz, THD 10%) FRONT2): 100 W/ch CENTER2): 100 W SURR2): 100 W/ch SURR BACK2): 100 W AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOT

4、AL HARMONIC DISTORTION: (Models of area code US only) With 6 ohm loads, both channels driven, from 120 20,000 Hz; rated 60 watts per channel minimum RMS power, with no more than 0.7% total harmonic distortion from 250 milliwatts to rated output. Amplifier section Power Output1) Models of area code U

5、S, CND (6 ohms 1 kHz, THD 0.7%) FRONT2): 60 W/ch CENTER2): 60 W SURR2): 60 W/ch SURR BACK2): 60 W (6 ohms 1 kHz, THD 10%) FRONT2): 100 W/ch CENTER2): 100 W SURR2): 100 W/ch SURR BACK2): 100 W Models of area code AEP, UK, SP, E51, MX (6 ohms 1 kHz, THD 0.7%) FRONT2): 60 W/ch CENTER2): 60 W SURR2): 60

6、 W/ch SURR BACK2): 60 W (6 ohms 1 kHz, THD 10%) FRONT2): 100 W/ch CENTER2): 100 W SURR2): 100 W/ch SURR BACK2): 100 W Continued on next page RadioFans.CN 收音机爱 好者资料库 2 STR-K870P 1) Measured under the following conditions: 2) Depending on the sound field settings and the source, there may be no sound

7、output. Inputs (Analog) Inputs (Digital) Outputs (Analog) Reproduction frequency range: 28 20,000 Hz Tone FM tuner section Tuning range87.5 - 108.0 MHz AntennaFM wire antenna Antenna terminals75 ohms, unbalanced Intermediate frequency10.7 MHz AM tuner section Tuning range Models of area code US, CND

8、 With 10-kHz tuning scale: 530 - 1,710 kHz3) With 9-kHz tuning scale: 531 - 1,710 kHz3) Models of area code AEP, UK, SP, AUS With 9-kHz tuning scale:531 1,602 kHz Models of area code E51 With 10-kHz tuning scale: 530 - 1,610 kHz3) With 9-kHz tuning scale: 531 - 1,602 kHz3) Models of area code MX Wit

9、h 10-kHz tuning scale: 530 - 1,610 kHz AntennaLoop antenna Intermediate frequency450 kHz 3) 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 PRESET TUNING + or TUNING +, press ?/1. All preset stations will be erased when

10、 you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure. Video section Inputs/Outputs Video:1 Vp-p, 75 ohms General Power requirements Area codePower requirements US, CND120 V AC, 60 Hz MX127 V AC, 60 Hz AEP, UK, SP230 V AC, 50 Hz AUS, E51240 V AC, 50 Hz SA-CD/CD,

11、 MD/TAPE, DVD, VIDEO 1, 2, 3 Sensitivity: 800 mV Impedance: 50 k ohms DVD (Coaxial)Sensitivity: Impedance: 75 ohms VIDEO 2, SA-CD/CD (Optical) Sensitivity: Impedance: MD/TAPE (OUT), VIDEO 1 (AUDIO OUT) Voltage: 800 mV Impedance: 10 k ohms SUB WOOFERVoltage: 2 V Impedance: 1 k ohm Gain levels6 dB, 1

12、dB step Area codePower requirements US, CND120 V AC, 60 Hz MX1 2 27 V AC, 60 Hz AEP, UK30 V AC, 50/60 Hz AUS240 V AC, 50 Hz SP220 230 V AC, 50/60 Hz E51120/220/240 V AC, 50/60 Hz Power consumption Power consumption (during standby mode) 0.2 W Dimensions (w/h/d) (Approx.) 430 157.5 310 mm (17 6 1/4 1

13、2 1/4 inches) including projecting parts and controls Mass (Approx.)8.0 kg (17 lb 11 oz) Area codePower consumption US170 W CND230 VA AEP, UK, AUS, SP, MX, E51 190 W Design and specifications are subject to change without notice Abbreviation AUS: Australian model CND : Canadian model E51: Chilean an

14、d Peruvian models MX: Mexican model SP: Singapore model RadioFans.CN 收音机爱 好者资料库 3 STR-K870P 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 of unleaded solde

15、r 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 melts at a temperat

16、ure 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) may peel away if

17、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 unleaded solder but un

18、leaded 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 LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

19、 IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. ATTENTION AU COMPOSANT AYANT RAPPORT LA SCURIT! LES COMPOSANTS IDENTIFIS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHMATIQUES ET LA LISTE DES PICES SONT CRITIQUES POUR LA SCURIT DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PICES SONY DO

20、NT LES NUMROS SONT DONNS DANS CE MANUEL OU DANS LES SUPPLMENTS PUBLIS PAR SONY. SAFETY CHECK-OUT After correcting the original service problem, perform the following safety check before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all ot

21、her exposed metal parts for AC leakage. Check leakage as described below. LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes.). Leakage current can be

22、measured by any one of three methods. 1.A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers instructions to use these instruments. 2.A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3.Measuring the volta

23、ge drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters

24、 that have a 2 V AC range are suitable. (See Fig. A) Fig. A.Using an AC voltmeter to check AC leakage. 1.5 k0.15 F AC voltmeter (0.75 V) To Exposed Metal Parts on Set Earth Ground RadioFans.CN 收音机爱 好者资料库 4 STR-K870P TABLE OF CONTENTS 1.GENERAL.5 2.TEST MODE. 11 3.DIAGRAMS 3-1.Block Diagram MAIN Sect

25、ion . 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 (Side B) . 17 3-5.Schematic Diagram DIGITAL Board (1/4) . 18 3-6.Schematic Diagram DIGITAL Board (2/4) . 19 3-7.Schematic Diagram DIGITAL Board (3/4) . 20

26、 3-8.Schematic Diagram DIGITAL Board (4/4) . 21 3-9.Printed Wiring Board MAIN Board . 22 3-10. Schematic Diagram MAIN Board (1/3) . 23 3-11. Schematic Diagram MAIN Board (2/3) . 24 3-12. Schematic Diagram MAIN Board (3/3) . 25 3-13. Printed Wiring Board STANDBY Section . 26 3-14. Printed Wiring Boar

27、d DISPLAY Section . 27 3-15. Schematic Diagram DISPLAY Section . 28 3-16. Printed Wiring Board SPEAKER/HEADPHONE Section . 29 3-17. Schematic Diagram SPEAKER/HEADPHONE Section . 30 3-18. Printed Wiring Board VIDEO IN/OUT Section . 31 3-19. Schematic Diagram VIDEO IN/OUT Section . 32 4.EXPLODED VIEWS

28、 4-1.Front Cabinet Section . 41 4-2.Chassis Section-1 . 42 4-3.Chassis Section-2 . 43 5.ELECTRICAL PARTS LIST. 44 Abbreviation AUS: Australian model CND: Canadian model E51: Chilean and Peruvian models MX: Mexican model SP: Singapore model ModelPart No. US model2-548-259-0 CND model2-548-259-1 AEP,

29、UK models2-548-259-3 E51 model2-548-259-4 SP model2-548-259-5 AUS model2-548-259-6 MX model2-548-259-7 MODEL IDENTIFICATION BACK PANEL Parts No. 5 STR-K870P SECTION 1 GENERAL This section is extracted from instruction manual. Main unit A.F.D. (button/indicator) qs (31, 33) AM ws (22, 23, 24, 39) DIM

30、MER 6 (27) DISPLAY 5 (25, 27, 53) Display 8 (28) DVD wh (22) ENTER qh (18, 39, 53) FM wd (22, 23, 24, 39) FM MODE 3 (23) Input buttons wa (22, 35, 38, 39, 53) INPUT MODE qk (35) IR (receptor) 7 (42, 53) MAIN MENU 9 (18, 35, 37, 39) MASTER VOLUME /+ qj (18, 21, 22, 52) MD/TAPE wg (22) MEMORY 2 (24) M

31、OVIE (button/indicator) qd (32, 33, 52) MUSIC (button/indicator) qf (32, 33, 52) PHONES (jack) ed (22, 52) PRESET TUNING /+ e; (24) SA-CD/CD wf (22) SLEEP q; (40) SPEAKERS (OFF/A/B/A+B) 4 (15, 40, 52) SURR BACK DECODING qg (33) TUNING /+ ea (23) VIDEO 1 wl (22) VIDEO 2 wk (22) VIDEO 3 wj (22) VIDEO

32、3 IN/PORTABLE AV IN (jacks) es (11) 2CH (button/indicator) qa (30, 33, 36) ?/1 (power) 1 (18, 24, 36, 53) w; (18, 35, 37, 39) +/ ql (18, 35, 37, 39) ALPHABETICAL ORDER A - H I - O P - Z NUMBERS AND SYMBOLS 49875 61 qkw;qj q; qa qs qdqgqfqh wae;eaesedql wswdwfwgwhwjwkwl 2 3 6 STR-K870P Inserting batt

33、eries into the remote Insert R6 (size-AA) batteries with the + and properly oriented in the battery compartment. When using the remote, point it at the remote sensor on the receiver. Tip Under normal conditions, the batteries should last for about 6 months. When the remote no longer operates the rec

34、eiver, replace all batteries with new ones. Notes Do not leave the remote in an extremely hot or humid place. Do not use a new battery with an old one. Do not expose the remote sensor to direct sunlight or lighting apparatuses. Doing so may cause a malfunction. If you dont use the remote for an exte

35、nded period of time, remove the batteries to avoid possible damage from battery leakage and corrosion. Before you use your remote Remote button description HX Mm . - VIDEO1VIDEO2VIDEO3DVD RM SET UP SYSTEM STANDBY SLEEP AV1AV2 TV ?/1AV ?/1 MD/TAPESA-CD/CDTUNERAUX MULTI CH SHIFT TOP MENU/ GUIDE AV MEN

36、U MUTING MASTER VOL DISPLAY TV VOLTV CH TV/ VIDEO MAIN MENU TEST TONEWIDE RETURN/EXIT D.TUNINGDISCALT ANTCLEARSEARCH MODE 2CHA.F.D. 123 456 789 0/1010/1112 MOVIE SUBTITLEENTER MUSIC AUDIOANGLE JUMP/ TIME PRESET/ CH/D.SKIP SB DECODING DUAL MONO x ?/1 P O v V bB v V bB ql wg wh wj wk e; ea es ed ef qj

37、 qk ENTER 1 2 3 4 6 5 qs q; 7 8 9 qa qdqf qg qh w; wa ws wd wf wl 7 STR-K870P The tables below show the settings of each button. Remote Button OperationsFunction A.F.D. 7ReceiverSelects the decoding mode for audio sound. ALT wdRemoteWhen ALT button lights up, it changes the remote key function to ac

38、tivate those buttons with orange printing. ANGLE 7 DVD player/ Blu-ray disc recorder Selects viewing angle or changes the angles. ANT 9VCR/ Satellite tuner Selects output signal from the antenna terminal: TV signal or VCR program. AUDIO 7 TV/VCR/ DVD player/ Satellite tuner/ Blu-ray disc recorder/Ha

39、rd disc recorder/ PSX Changes the sound to Multiplex, Bilingual or Multi channel TV Sound. AUX e;ReceiverTo listen to an audio equipment. AV MENU qa VCR/ Satellite tuner/ DVD player/ Blu-ray disc recorder/Hard disc recorder/ PSX Displays menu. AV13 and AV2 4 RemoteSelects the command mode of the rem

40、ote. AV ?/1 ed TV/VCR/ CD player/ VCD player/ LD player/ DVD player/ MD deck/ DAT deck/ Blu-ray disc recorder/Hard disc recorder/ PSX/Satellite tuner Turns the audio and video components on or off. Remote Button OperationsFunction CLEAR 9CD player/ DVD player/ Blu-ray disc recorder/PSX/ Satellite tu

41、ner Clears a mistake when you press the incorrect numeric buttons or returns to continuos playback etc. DISC wsCD player/ VCD player Selects a disc directly (multi-disc changer only). DISPLAY qa TV/VCR/ VCD player/ LD player/ DVD player/ Receiver/ CD player/ MD deck/ Blu-ray disc recorder/Hard disc

42、recorder/ PSX/Satellite tuner Selects information displayed on the TV screen. D.TUNING 9 ReceiverEnters direct tuning mode. DUAL MONO 7 ReceiverSelects the language you want during digital broadcast. DVD esReceiverTo watch DVD. ENTER wfTV/VCR/ Satellite tuner/ LD player/ MD deck/ DAT deck/ Tape deck

43、/ Blu-ray disc recorder/Hard disc recorder/ PSX After selecting a channel, disc or track using the numeric buttons, press to enter the value. ENTER qaReceiver/ VCR/ Satellite tuner/ DVD player Enters the selection. JUMP/TIME 7 Satellite tuner/ TV/ Blu-ray disc recorder Toggles between the previous a

44、nd the current channels. CD player/ MD deck/ VCD player/ DVD player Shows the time or displays the playing time of disc, etc. MAIN MENU qh ReceiverSelects the menu of the receiver. 8 STR-K870P Remote Button OperationsFunction MASTER VOL +/ qk ReceiverAdjusts the master volume of the receiver. MD/TAP

45、E 5 ReceiverTo listen to Minidisc or audio tape. MOVIE 7ReceiverSelects the pre- programmed sound fields for movie. MULTI CH wk ReceiverSelects MULTI CH IN source. MUSIC wjReceiverSelects the pre- programmed sound fields for music. MUTING ql ReceiverMutes the sound from the receiver. PRESET/ CH/ Rec

46、eiverSelects preset stations. D.SKIP +/ wg TV/VCR/ Satellite tuner/ Blu-ray disc recorder/Hard disc recorder Selects preset channels. CD player/ VCD player/ DVD player/ MD deck/ LD player Skips discs (multi- disc changer only). RETURN/ EXIT qa VCD player/ LD player/ DVD player Returns to the previou

47、s menu. Satellite tunerExits the menu. RM SET UP 2 RemoteTo set up the remote. SA-CD/CD 6 ReceiverTo listen to Super Audio CD or compact disc. SB DECODING wh ReceiverSelects the surround back decoding modes. SEARCH MODE ws DVD playerSelects searching mode. Press to select the unit for search (track, index, etc.) SHIFT 9ReceiverSelects a memory page for presetting radio stations or tuning to preset stations. Remote Button OperationsFunction SLEEP efReceiverActivates the sleep function and th