Yamaha-RS-300-Service-Manual电路原理图.pdf

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1、R-S300 1 0 11 9 5 SERVICE MANUAL IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifi cally YAMAHA Products, are already known and understood

2、 by the users, and have therefore not been restated. WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform as specifi ed. For these reasons, we advise

3、all YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT: The presentation or sale of this manual to any individual or fi rm does not constitute authorization, certifi cation or recognition of any appl

4、icable technical capabilities, or establish a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products.

5、 Modifications are, therefore, inevitable and specifi cations are subject to change without notice or obligation to retrofi t. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING: Static discharges can destroy expensive components. Discharge any static e

6、lectricity your body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit. CONTENTS TO SERVICE PERSONNEL .2 I

7、MPEDANCE SELECTOR .3 FRONT PANELS .4 REAR PANELS .56 REMOTE CONTROL PANEL .7 SPECIFICATIONS .89 INTERNAL VIEW .10 SERVICE PRECAUTIONS .10 DISASSEMBLY PROCEDURES . 1113 UPDATING FIRMWARE .1417 SELF-DIAGNOSTIC FUNCTION .1829 AMP ADJUSTMENT .3031 DISPLAY DATA .3233 IC DATA .3436 BLOCK DIAGRAM .37 PRINT

8、ED CIRCUIT BOARDS .3853 PIN CONNECTION DIAGRAMS .54 SCHEMATIC DIAGRAMS .5560 REPLACEMENT PARTS LIST .6171 REMOTE CONTROL .72 ADVANCED SETUP .7374 RECEIVER 10.10 P.O.Box 1, Hamamatsu, Japan Copyright 2010 All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed

9、 either in print or electronically without permission. R-S300 2 R-S300 R-S300 1. Critical Components Information Components having special characteristics are marked and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Mo

10、dels Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. Meter impedance should be equivalent to 1500 ohms shunted by 0.15 F. TO SERVICE PERSONNEL Leakage current must not exceed 0.5mA. Be sure to test fo

11、r leakage with the AC plug in both polarities. WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE For U model “CAUTION” “F1: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5A, 125V FUSE.” For C model CAUTION F1: REPLACE WITH SAME TYPE 5A, 12

12、5V FUSE. ATTENTION F1: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 5A, 125V. All of the P.C.B.s installed in this unit and solder joints are soldered using the lead free solder. Among some types of lead free solder currently available, it is recommended to use one of the following types for the r

13、epair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: As the melting point temperature of the lead free solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder.

14、 About lead free solder This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact betwee

15、n solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. WARNING: CHEMICAL CONTENT NOTICE! 3 R-S300 R-S300 IMPEDANCE SEL

16、ECTOR WARNING: Do not change the setting of the IMPEDANCE SELECTOR switch when the unit power is switched on, as doing so may damage the unit. IMPEDANCE SELECTOR 4 R-S300 R-S300 R-S300 (U, C, R, A, L models) R-S300 (G model) FRONT PANELS 5 R-S300 R-S300 R-S300 (A model) REAR PANELS R-S300 (R model)

17、R-S300 (U, C models) 6 R-S300 R-S300 R-S300 (L model) R-S300 (G model) 7 R-S300 R-S300 REMOTE CONTROL PANEL RAX23 8 R-S300 R-S300 FM Section Tuning Range U, C models .87.5 to 107.9 MHz R, A, G, L models .87.50 to 108.00 MHz 50 dB Quieting Sensitivity (IHF) (1 kHz, 100 % MOD.) Mono .3.0 V (20.8 dBf)

18、Signal to Noise Ratio (IHF) Mono/Stereo .74 dB/70 dB Harmonic Distortion (1 kHz) Mono/Stereo .0.3 % Antenna Input . 75 ohms unbalanced AM Section Tuning Range U, C models .530 to 1,710 kHz R, A, G, L models .531 to 1,611 kHz Antenna .Loop antenna General Power Supply U, C models .AC 120 V, 60 Hz R m

19、odel .AC 110-120/220-240 V, 50/60 Hz A model .AC 240 V, 50 Hz G model .AC 230 V, 50 Hz L model .AC 220-240 V, 50/60 Hz Power Consumption .150 W Standby Power Consumption . 0.5 W or less YID-W10 Standby Power Consumption (YID-W10 connect) . 1.2 W or less iPod Charge Power Consumption . 30 W or less M

20、aximum Power Consumption (1 kHz, 8 ohms, 10 % THD) R model .280 W Dimensions (W x H x D) .435 x 151 x 387 mm (17-1/8 x 6 x 15-1/4) Weight .8.8 kg (19.4 lbs.) Finish Black color . U, C, R, A, G, L models Silver color . R, A, G, L models Accessories Remote control .x 1 Indoor FM antenna (1.4 m) .x 1 A

21、M loop antenna (1.2 m) .x 1 Batteries (R6, AA, UM-3) .x 2 * Specifications are subject to change without notice. U .U.S.A. model C .Canadian model R .General model A .Australian model G .European model L.Singapore model SPECIFICATIONS Audio Section Minimum RMS Output Power (Power Amp. Section) (20 H

22、z to 20 kHz) (8 ohms, 0.04 % THD) .50 W + 50 W Dynamic Power Per Channel (IHF) (8/6/4/2 ohms) .70/77/89/100 W MAX Power Per Channel (1 kHz, 0.7 % THD, 4 ohms) G model .55 W IEC Power (1 kHz, 0.04 % THD, 8 ohms) G model .52 W Power Band Width (0.06 % THD, 25 W, 8 ohms) .10 Hz to 50 kHz Damping Factor

23、 (SPEAKER-A) (1 kHz, 8 ohms) . 150 or more Maximum Effective Output Power (1 kHz, 10 % THD, JEITA) R, L models (8 ohms) .85 W Input Sensitivity/Input Impedance PHONO (MM) .3.5 mV / 47 k-ohms CD, etc. .200 mV / 47 k-ohms Maximum Input Signal (1 kHz) PHONO (MM) (0.003 % THD) .60 mV or more CD, etc. (0

24、.5 % THD) .2.2 V or more Output Level/Output Impedance CD, etc. (Input, 1 kHz, 200 mV) REC OUT .200 mV / 1.0 k-ohms CD, etc. (Input, 1 kHz, 200 mV, 8 ohms load) Headphone Jack .340 mV / 470 ohms Frequency Response CD, etc. (20 Hz to 20 kHz) .0 0.5 dB CD, etc. Pure DIRECT ON (10 Hz to 100 kHz) .0 1.0

25、 dB RIAA Equalization Deviation PHONO (MM) .0.5 dB Total Harmonic Distortion (20 Hz to 20 kHz) PHONO (MM) to REC OUT (3 V) . 0.025 % or less CD, etc. to SP OUT (25 W, 8 ohms) .0.015 % or less Signal to Noise Ratio (IHF-A Network) PHONO (MM) (5 mV Input shorted) . 87 dB or more CD, etc. (Pure DIRECT

26、ON) (200 mV input shorted) . 100 dB or more Residual Noise (IHF-A Network) .30 V Channel Separation CD, etc. (Input 5.1 k-ohms shorted) 1 kHz . 65 dB or more 10 kHz . 50 dB or more Tone Control Characteristics BASS Boost/Cut (50 Hz) . 10 dB Turnover frequency .350 Hz TREBLE Boost/Cut (20 kHz) . 10 d

27、B Turnover frequency .3.5 kHz Continuous Loudness Control Attenuation (1 kHz) .-30 dB Gain Tracking Error (0 to -99 dB) .0.5 dB or less 9 R-S300 R-S300 DIMENSIONS Unit: mm (inch) iPhone, iPod, iPod classic, iPod nano and iPod touch are trademarks of Apple Inc., registered in the U.S. and other count

28、ries. Bluetooth is a registered trademark of the Bluetooth SIG and is used by Yamaha in accordance with a license agreement. Front view Top view 435 (17-1/8) 335 (13-1/4)50 (2) 151 (5-7/8) 130 (5-1/8) 21 (7/8) 20.5 (3/4) 25.5 (1) 387 (15-1/4) 341 (13-3/8) 55 (2-1/8) 46 (1-3/4) 240 (9-1/2) 60 10 R-S3

29、00 R-S300 OPERATION (12) P.C.B. OPERATION (13) P.C.B. OPERATION (14) P.C.B. (R model) MAIN (3) P.C.B. AM/FM TUNER DOCK P.C.B. FUNCTION (2) P.C.B. FUNCTION (3) P.C.B. FUNCTION (1) P.C.B. MAIN (2) P.C.B. MAIN (1) P.C.B. POWER TRANSFORMER OPERATION (11) P.C.B. OPERATION (6) P.C.B. OPERATION (1) P.C.B.

30、OPERATION (10) P.C.B. OPERATION (2) P.C.B. OPERATION (7) P.C.B. OPERATION (5) P.C.B. OPERATION (4) P.C.B. OPERATION (3) P.C.B. OPERATION (8) P.C.B. Top view Front view 911 2021191822 1210 12 1315161714 5348761 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 INTERNAL VIEW SERVICE PRECAUTIONS S

31、afety measures Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves. Note that the capacitors indicated below are dangerous even after the power is turned off because an electric charge remain

32、s and a high voltage continues to exist there. Before starting any repair work, connect a discharging resistor (5 k-ohms/10 W) to the terminals of each capacitor indicated below to discharge electricity. The time required for discharging is about 30 seconds per each. C135, C136 on MAIN (1) P.C.B. Fo

33、r details, refer to “PRINTED CIRCUIT BOARDS: MAIN (1) P.C.B.”. 11 R-S300 R-S300 Top cover Front panel unit Knob VOL Knob INPUT Knob TC Cap POWER Cap DIRECT Support top DISASSEMBLY PROCEDURES Fig. 1 (Remove parts in the order as numbered.) Disconnect the power cable from the AC outlet. 1. Removal of

34、Top Cover a. Remove 4 screws (), 4 screws () and screw (). (Fig. 1) b. Remove the top cover. (Fig. 1) 2. Removal of Front Panel Unit a. Remove screw () and then remove the support top. (Fig. 1) b. Pull out the knobs and caps. (Fig. 1) c. Remove 7 screws (). (Fig. 1) d. Remove the front panel unit. (

35、Fig. 1) 12 R-S300 R-S300 Sub-chassis unit Hook Hook AM/FM tuner FUNCTION (1) P.C.B. DOCK P.C.B. FUNCTION (2) P.C.B. FUNCTION (3) P.C.B. CB101 CB503 CB2 CB21 CB14 CB506 CB403 CB504 CB505 CB513 CB706 CB801 CB805 CB11 Rear view Fig. 3 Fig. 2 3. Removal of Sub-chassis Unit a. Remove 2 screws () and screw (). (Fig. 2) b. Remove CB11, CB101, CB503505, CB513