Yamaha-MCXCA-15-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL 100892 SERVICE MANUAL DISTRIBUTED AUDIO CONTROLLER/AMPLIFIER MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 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 sp

2、ecifically YAMAHA Products, are already known and understood 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 prod

3、uct to perform as specified. For these reasons, we advise 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 firm does not constitute

4、authorization, certification or recognition of any applicable 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 YAMA

5、HA are continually striving to improve YAMAHA products. Modifications are, therefore, inevita- ble and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges ca

6、n destroy expensive components. Discharge any static electricity 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

7、power to the unit. IMPORTANT NOTICE MCX-C15 客様所有MCX-1000組合動作 場合、 客様所有CD-ROM 使行。 MCX-CA15 設定位置修理前異 可能性、 使用前用途合 適切位置設定。 修理済品返却時以下客様伝。Please be sure to inform the user of the following when re- turning the repaired product to him/her. G MCX-C15 When the unit used in combination with MCX-1000 does not o

8、perate, execute updating by using the Upgrade CD-ROM owned by the user. GMCX-CA15 The setting position of the Mode Switch may be dif- ferent from its position before the repair. Check and set the switch to the suitable position for the use purpose before using the unit. 04.07 RadioFans.CN 收音机爱 好者资料库

9、 2 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only) When

10、 service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. GMeter impedance should be equivalent to 1500 ohm shunted by 0.15F. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains L

11、EAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTR

12、ICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between 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 enclos

13、ure of this product, wash your hands before handling food. MCX-C15 UPDATING FIRMWARE / . . . . . . . . . . . . . . . . 1517 MCX-C15 ENTERING SYSTEM ID / ID書込 . . . . . . . . . . . . . . . . . . . . . . 1820 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . 2124 TEST MODE . . . . . . . . . .

14、. . . . . . . . . . . . . . . . . . . 2528 MCX-CA15 IC DATA . . . . . . . . . . . . . . . . . . . . . . 2930 MCX-C15 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . 31 MCX-CA15 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . 32 PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 3336 PIN CONNECT

15、ION DIAGRAM . . . . . . . . . . . . . . . . . 36 MCX-C15 SCHEMATIC DIAGRAM . . . . . . . . . . . 3741 MCX-CA15 SCHEMATIC DIAGRAM . . . . . . . . . . . . . 42 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4351 REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . 52

16、I CONTENTS TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . . . 2 FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 REMOTE CONTROL PANEL . . . . . . . . . . . . . . . . . . . 4 TOP CASES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 REAR PANELS .

17、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 BOTTOM CASES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 I/O BOX (MCX-IB15) . . . . . . . . . . . . . . . . . . . . . . . . . . 6 SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . . . . . . 7 INTERNAL VIEW . . . . . . . .

18、. . . . . . . . . . . . . . . . . . . . . 8 MCX-C15 DISASSEMBLY PROCEDURES / 分解手順 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 911 MCX-CA15 DISASSEMBLY PROCEDURES / 分解手順 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1213 SERVICE HINTS / . . . . . . . . . . . .

19、. . . . .14 MCX-C15 RECOVERY AFTER REPLACING MAIN P.C.B. / MAIN P.C.B.交換後 . . . . . . . . . . . . . . 1415 AC LEAKAGE TESTER OR EQUIVALENT EQUIPMENT UNDER TEST INSULATING TABLE WALL OUTLET GLeakage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. Radio

20、Fans.CN 收音机爱 好者资料库 3 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 WARNING: Lithium batteries are dangerous because they can be exploded by improper handling. Observe the following precautions when handling or replacing lithium batteries. Leave lithium battery replacement to qualified service personnel. Always

21、 replace with batteries of the same type. When installing on the PC board by soldering, solder us- ing the connection terminals provided on the battery cells. Never solder directly to the cells. Perform the soldering as quickly as possible. Never reverse the battery polarities when installing. Do no

22、t short the batteries. Do not attempt to recharge these batteries. Do not disassemble the batteries. Never heat batteries or throw them into fire. ADVARSEL! Lithiumbatteri Eksplosionsfare ved fejlagtig hndtering. Udskiftning m kun ske med batteri af samme fabrikat og type. Levr det brugte batteri ti

23、lbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvnd samma batterityp eller an ekvivalent typ som rekommenderas av apparattillverkaren. Kassera anvnt batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rjht, jos se on virheellisesti asennettu. Vaihda paristo ainoa

24、staan laitevalmistajan suosittelemaan tyyppiin. Hvit kytetty peristo valmistajan ohjeiden mukaisesti. 無鉛 本機搭載基板付使用 下記通。 About Lead Free Solder The P.C.B.s installed in this unit are soldered using the fol- lowing solder. Side ASide B MAIN P.C.B.Lead SolderLead Solder FUNCTION P.C.B.Lead SolderLead S

25、older SYSTEM P.C.B.Lead SolderLead Free Solder G MCX-C15 Among some types of lead free solder currently available, it is recommended to use one of the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: 1. As t

26、he 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. 2. If lead solder must be used, be sure to remove lead-free solder from each terminal section of the parts to be replace

27、d and from the area around it completely before soldering, or make sure that the lead free solder and lead solder melt together fully. Side ASide B D-AMP P.C.B.Lead SolderLead Free Solder G MCX-CA15 A 面B 面 MAIN P.C.B.鉛入鉛入 FUNCTION P.C.B.鉛入鉛入 SYSTEM P.C.B.鉛入無鉛 G MCX-C15 A 面B 面 D-AMP P.C.B.鉛入無鉛 G MCX-

28、CA15 無鉛種類、 修理時 下記無鉛使用推奨。 Sn + Ag + Cu （錫+ 銀 + 銅） Sn + Cu （錫 + 銅） Sn + Zn + Bi （錫+ 亜鉛+ ） 注意： 1.無鉛融点温度通常鉛入比3040 程度高、 合 使用。 2.鉛入使得場合、 交換 部品端子部周辺部無鉛取除、 無鉛鉛入十分溶状態 付。 Side A Side B SMT REFLOW Process MI FLOW Process Solder Dip 4 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 I FRONT PANELS M MCX-C15M MCX-CA15 I REMOT

29、E CONTROL PANEL M MCX-CA15 (Inside Front Panel) 5 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 I TOP CASES M MCX-C15 (J model) M MCX-C15 (U, C models) M MCX-C15 (A model) M MCX-C15 (B, G models) M MCX-CA15 (U, C models) M MCX-CA15 (A model) M MCX-CA15 (B, G models) M MCX-CA15 (J model) 6 MCX-C15/MCX-CA15 MCX-

30、C15/ MCX-CA15 I BOTTOM CASES I REAR PANELS M MCX-C15M MCX-CA15 I I/O BOX (MCX-IB15) M MCX-C15M MCX-CA15 7 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 Unit : mm (inch) G DIMENSIONS / 寸法図 M MCX-C15 I SPECIFICATIONS / 参考仕様 G MCX-C15G MCX-CA15 I AUDIO PERFORMANCE / 性能 Output Level / 出力2.0Vrms (1kHz 0dB VOL 0dB)

31、Frequency Characteristics / 周波数特性 20Hz to 20kHz, 0.5dB (EIAJ) Signal to Noise Ratio / SN比100dB (EIAJ) Dynamic Range / 再生 98dB (EIAJ) THD + Noise / 歪率0.008% (EIAJ) * Values in the “AUDIO PERFORMANCE” section are measured with the I/O Box (MCX-IB15) connected. * 性能各数値、I / O(MCX-I B15)接続測定 。 I GENERAL

32、/ 一般 Playback Data Format / 再生 MP3 (all clients), Liner PCM (selected one client) Power Supply / 電源電圧AC 100V to 240V, 50/60Hz Power Consumption / 消費電力5W Operating Temperature / 動作温度+5C to +35C Weight (without AC adapter) / 質量0.6 kg (1 lbs 5 oz) Max. Dimensions (W x H x D) / 最大寸法 120 x 120 x 106 mm (

33、4-3/4 x 4-3/4 x 4-1/8) Panel Color / 色White Accessory / 付属品 I/O Box (MCX-IB15) Remote Control x1, Lithium Battery x1 AC Adaptor x1, Power Cable x1 CAT-5 Straight Cable (2 m) x1 DC Power Cable (2 m) x2 Spacers x4 Upgrade CD-ROM x1 Owners Manual CD-ROM x1 I AUDIO PERFORMANCE / 性能 Audio Out Level/Imped

34、ance / Audi o Out /1. 0Vrms / 1k Frequency Characteristics / 周波数特性 20Hz to 20kHz, 1.0dB (EIAJ) Signal to Noise Ratio / SN比98dB (EIAJ) Dynamic Range / 再生 98dB (EIAJ) THD + Noise / 歪率0.008% (EIAJ) Sub Woofer Out Level/Impedance / Sub Woof er Out / 1. 0Vrms / 2. 1k (EI AJ) POWER AMPLIFIER PERFORMANCE /

35、 性能 Minimum RMS Output Power / 定格出力 13W + 13W (1kHz, 1% THD) Minimum Power / 実用最大出力 17W + 17W or 18W (1ch) (1kHz, 10% THD, EI AJ) Input Sensitivity/Impedance / 入力感度 / 220mV/ 3k (MODE A, B) 780mV/ 3k (MODE C) (1kHz, 1% THD) I GENERAL / 一般 Power Supply / 電源電圧AC 100V to 240V, 50/60Hz Power Consumption

36、/ 消費電力40W Operating Temperature / 動作温度+5C to +35C Weight (without AC adapter) / 質量0.6 kg (1 lbs 5 oz) Max. Dimensions (W x H x D) / 最大寸法 120 x 120 x 105 mm (4-3/4 x 4-3/4 x 4-1/8) Panel Color / 色White Accessory / 付属品 PI N/ MI NI PLUG Cable (1m) x1 Spacers x4 * Specifications subject to change withou

37、t prior notice. * 仕様及外観、改良予告変更。 120 (4-3/4) 120 (4-3/4) 106 (4-1/8) U . USA model C . Canadian model A . Australian model B . British model G . European model J. Japanese model M I/O Box (MCX-IB15) 91.2 (3-9/16) 116 (4-9/16) 96 (3-3/4) 30.6 (1-3/16) M MCX-CA15 120 (4-3/4) 120 (4-3/4) 105 (4-1/8) 8 M

38、CX-C15/MCX-CA15 MCX-C15/ MCX-CA15 qMAIN P.C.B. wFUNCTION (1) P.C.B. eSYSTEM (2) P.C.B. rLCD tFRONT COVER UNIT yFUNCTION (2) P.C.B. I INTERNAL VIEW M Front View M Rear View G MCX-C15 G MCX-CA15 q w e rt y i o !0 !1 u M Top View iD-AMP (1) P.C.B. oD-AMP (4) P.C.B. !0D-AMP (2) P.C.B. !1D-AMP (3) P.C.B.

39、 !2FRONT COVER UNIT M Rear View G I/O Box (MCX-IB15) uSYSTEM (1) P.C.B. M Front View !2 9 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 Fig. 2 Fig. 1 I MCX-C15 DISASSEMBLY PROCEDURES分解手順 (Remove parts in the order as numbered.) * Be sure to disconnect the power cable from the AC outlet. (番号順部品取外。） AC電源、電源抜。 1.

40、 外方 a) q4本、w2本、e1本外。 （Fig.1） b) 後方、取外。 （Fig.1） 2. A、B外方 a) r2本、t1本外。 （Fig.2） b) B取外。 （Fig.2） c) y2本外。 （Fig.2） d) A下方、取外。 （Fig.2） 1. Removal of Top Case. a) Remove 4 screws marked q, 2 screws marked w and 1 screw marked e. (Fig. 1) b) Remove the Top Case by sliding it rearward. (Fig. 1) 2. Removal of

41、 Rear Panels A and B a) Remove 2 screws marked r and 1 screw marked t. (Fig. 2) b) Remove the Rear Panel B. (Fig. 2) c) Remove 2 screws marked y. (Fig. 2) d) Remove the Rear Panel A by sliding it downward. (Fig. 2) q e w Top Case q y rt Rear Panel A A Rear Panel B B MCX-C15 10 MCX-C15/MCX-CA15 MCX-C

42、15/ MCX-CA15 Fig. 3 3. MAIN P.C.B.外方 a) CB202、CB203外。 （Fig.3） b) u4本外。 （Fig.3） c) CB204外、MAIN P.C.B.取外。 （Fig.3） 4. FUNCTION （1） 、SYSTEM （2） P.C.B.外方 a) i4本外。 （Fig.3） b） FUNCTION （1） P.C.B.持上。 c) o2本外。 （Fig.3） d) FUNCTION （1） P.C.B.SYSTEM （2） P.C.B.取外 。 （Fig.3） e) CB602外。 （Fig.3） 5. 外方 a) 外。 （Fig.3）

43、b） !02本、!11本外。 （Fig.3） c) 外。 （Fig.3） 3. Removal of MAIN P.C.B. a) Remove CB202 and CB203. (Fig. 3) b) Remove 4 screws marked u. (Fig. 3) c) Remove CB204 and MAIN P.C.B. can be removed. (Fig. 3) 4. Removal of FUNCTION (1) P.C.B. and SYSTEM (2) P.C.B. a) Remove 4 screws marked i. (Fig. 3) b) Lift FUNC

44、TION (1) P.C.B. c) Remove 2 screws marked o. (Fig. 3) d) Remove FUNCTION (1) P.C.B. and SYSTEM (2) P.C.B. (Fig. 3) e) Remove CB602. (Fig. 3) 5. Removal of Front Unit a) Remove the Front Cover Unit. (Fig.3) b) Remove 2 screws marked !0 and a screw marked !1. (Fig.3) c) Remove the Front Unit. (Fig.3)

45、MCX-C15 CB202 MAIN P.C.B. CB204 CB203 CB602 FUNCTION (1) P.C.B. SYSTEM (2) P.C.B. Front Cover Unit Front Unit u i o !0 !0 !1 11 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 Fig. 5 Fig. 6 6. FUNCTION （2） P.C.B.外方 a) !22本外。 （Fig.4） b) !3外、Ass y取外 。 （Fig.5） c) CB801、CB802、CB803外FUNCTION （2） P.C.B. 取外。 （Fig.5） G

46、I/O (MCX-IB15) 1. 外方 a）!42本、!52本外。 （Fig.6） b） 後方、取外。 （Fig.6） 2. SYSTEM （1） P.C.B.外方 a）!62本外。 （Fig.6） b） !74本外。 （Fig.6） c）SYSTEM (1) P.C.B.後方、取外 。 （Fig.6） 6. Removal of FUNCTION (2) P.C.B. a) Remove 2 screws marked !2. (Fig. 4) b) Remove 1 screw marked !3 to remove the Holder and Button Assy. (Fig. 5

47、) c) Remove CB801, CB802 and CB803 and FUNCTION (2) P.C.B. can be removed. (Fig. 5) G I/O Box (MCX-IB15) 1. Removal of Cover a) Remove 2 screws marked !4 and 2 screws marked !5. (Fig. 6) b) Remove the Cover by sliding it rearward. (Fig. 6) 2. Removal of SYSTEM (1) P.C.B. a) Remove 2 screws marked !6

48、. (Fig. 6) b) Remove 4 screws marked !7. (Fig. 6) c) Remove SYSTEM (1) P.C.B. by sliding it rearward. (Fig. 6) !3 !3 LCD But t on Ass y Ass y Holder FUNCTION (2) P.C.B. CB802 CB801 CB803 !7 !4 !5 !6 !5 !4 SYSTEM (1) P.C.B. Fig. 4 !2 MCX-C15 12 MCX-C15/MCX-CA15 MCX-C15/ MCX-CA15 I MCX-CA15 DISASSEMBL

49、Y PROCEDURES分解手順 (Remove parts in the order as numbered.) * Be sure to disconnect the power cable from the AC outlet. * Check the position of the Mode Switch and write it down. Be sure to set the mode switch back to the original posi- tion after servicing. (番号順部品取外。） AC電源、電源抜。 位置確認、。 作業完了後位置元戻。 1. 外方 a) q4本、w2本外。 （Fig.1） b) 後方、取外。 （Fig.1） Fig. 2 2. C，D外方 a）e2本外。 （Fig.2） b） D取外。 （Fig.2） c) r4本外。 （Fig.2） d） C下方、取外。 （Fig.2） Fig. 1 1. Removal of Top Case. a) Remove 4 screws marked q and 2 screws marked w.