Sony-STRK980-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 MULTI CHANNEL AV RECEIVER 9-887-239-01 2006E1678-1 2006.05 Ver. 1.0 2006.05 SPECIFICATIONS STR-K980 STR-K980 is the tuner and the amplifier section in HT-DDW980. Manufactured under license from Do
2、lby 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. Continued on next page Amplifier section Power Output1) 6 ohms 1 kHz, THD 0.7 % FRONT2): 110 W/ch CENTER2):
3、 110 W SUR2): 110 W/ch Music power output FRONT2): 140 W/ch CENTER2): 140W SUR2): 140 W/ch 1) Measured under the following conditions: 2) Depending on the sound field settings and the source, there may be no sound output. Inputs (Analog) Inputs (Digital) Outputs (Analog) Reproduction frequency range
4、: 28 20,000 Hz Tone SA-CD/CD, MD/TAPE, DVD, VIDEO 1, 2, 3 Sensitivity: 800 mV Impedance: 50 kohms DVD (Coaxial)Sensitivity: Impedance: 75 ohms VIDEO 1, 2 (Optical) Sensitivity: Impedance: MD/TAPE (OUT), VIDEO 1 (AUDIO OUT) Voltage: 800 mV Impedance: 10 kohms SUB WOOFERVoltage: 2 V Impedance: 1 kohm
5、Gain levels6 dB, 1 dB step FM tuner section Tuning range87.5 - 108.0 MHz AntennaFM wire antenna Antenna terminals75 ohms, unbalanced Intermediate frequency 10.7 MHz With 10-kHz tuning scale: 530 1,610 kHz AntennaLoop antenna Intermediate frequency 450 kHz Video section Inputs/Outputs Video:1 Vp-p, 7
6、5 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 AM tuner section Tuning range Area codePower requirements MX127 V AC, 60 Hz RadioFans.CN 收音机爱 好者资料库 2 STR-K980 Notes on chip component replacement Never reuse a disconnected ch
7、ip 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 printed with the lead
8、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 for a slightly longer
9、 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 ordinary solder so
10、 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 MARK 0 ON THE SCHEM
11、ATIC 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. General Power consumption 190 W Power consumption (during standby mode) 0.2 W Dimensions (w/h/d) (Approx
12、.) 430157.5 316 mm including projecting parts and controls Mass (Approx.)8.0 kg Design and specifications are subject to change without notice. Power requirements Area codePower requirements MX127 V AC, 60 Hz CENTER SURROUNDFRONT RR LL + SPEAKERS SPEAKERS + About area codes The area code of the rece
13、iver you purchased is 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”. Area code Abbreviation MX: Mexican model RadioFans.CN 收音机爱 好
14、者资料库 3 STR-K980 TABLE OF CONTENTS 1.GENERAL.4 2.TEST MODE. 13 3.DIAGRAMS 3-1.Block Diagram MAIN Section . 16 3-2.Block Diagram DISPLAY/POWER Section . 17 3-3.Printed Wiring Board DIGITAL Board (Side A) . 18 3-4.Printed Wiring Board DIGITAL Board (Side B) . 19 3-5.Schematic Diagram DIGITAL Board (1/5
15、) . 20 3-6.Schematic Diagram DIGITAL Board (2/5) . 21 3-7.Schematic Diagram DIGITAL Board (3/5) . 22 3-8.Schematic Diagram DIGITAL Board (4/5) . 23 3-9.Schematic Diagram DIGITAL Board (5/5) . 24 3-10. Printed Wiring Board MAIN Board . 25 3-11. Schematic Diagram MAIN Board (1/3) . 26 3-12. Schematic
16、Diagram MAIN Board (2/3) . 27 3-13. Schematic Diagram MAIN Board (3/3) . 28 3-14. Printed Wiring Boards DISPLAY Board, POWER Board . 29 3-15. Schematic Diagram DISPLAY Board, POWER Board . 30 3-16. Printed Wiring Board STANDBY Board . 31 3-17. Printed Wiring Board SPEAKER C/SB Board . 32 3-18. Schem
17、atic Diagram SPEAKER C/SB Board, STANDBY Board . 33 3-19. Printed Wiring Boards ADCC Board, VIDEO 3 Board, SPEAKER B Board . 35 3-20. Schematic Diagram ADCC Board, VIDEO 3 Board, SPEAKER B Board . 35 3-21. Printed Wiring Boards VIDEO Board, HEADPHONE Board . 36 3-22. Schematic Diagram VIDEO Board, H
18、EADPHONE Board . 37 4.EXPLODED VIEWS 4-1.Front Panel Section . 45 4-2.Chassis Section. 46 5.ELECTRICAL PARTS LIST. 47 RadioFans.CN 收音机爱 好者资料库 4 STR-K980 SECTION 1 GENERAL This section is extracted from instruction manual. Panel frontal Para extraer la cubierta Pulse PUSH. Cuando extraiga la cubierta
19、, mantngala fuera del alcance de los nios. Receptor ?/1 AUTO CAL MIC PHONES VIDEO 3 IN/PORTABLE AV IN VIDEOL AUDIO R MEMORY/ ENTER TUNING MODETUNING2CHA.F.D.MOVIEMUSIC MODE X-ROUND SPEED DISPLAYINPUT MODE INPUT SELECTOR MASTER VOLUME SPEAKERS (ON/OFF) 1325764 890qaqkqsqdqfqgqh PUSH qj NombreFuncin A
20、 ?/1Plselo para encender o apagar el receptor. B SPEAKERS (ON/OFF) Plselo para encender y apagar los altavoces y el altavoz potenciador de graves. C PantallaEn la pantalla aparece el estado actual del dispositivo seleccionado o de una lista de elementos seleccionables. D Sensor de mando a distancia
21、Recibe seales del mando a distancia. E DISPLAYPlselo para seleccionar la informacin que se muestra en la pantalla. F INPUT MODEPlselo para seleccionar el modo de entrada cuando los mismos dispositivos estn conectados a las tomas digital y analgica. G MASTER VOLUME Grelo para ajustar el nivel de volu
22、men de todos los altavoces al mismo tiempo. H X-ROUND SPEED Plselo para ajustar la velocidad del efecto X-ROUND. X-ROUND MODE Plselo para seleccionar el modo X-ROUND. I INPUT SELECTOR Grelo para seleccionar la fuente de entrada que desea reproducir. J MOVIE, MUSIC Plselo para seleccionar campos de s
23、onido (MOVIE, MUSIC). K A.F.D.Plselo para seleccionar el modo A.F.D. L 2CHPlselo para seleccionar el modo 2CH STEREO. M TUNING +/Plselo para buscar una emisora. N TUNING MODEPlselo para seleccionar el modo de sintonizacin. O MEMORY/ ENTER Plselo para almacenar una emisora o introducir la seleccin cu
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