Yamaha-PC-2001-N-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL CONTENTS（目次） SPECIFICATIONS（総合仕様）.3/4 PANEL LAYOUT（）.5 CIRCUIT BOARD LAYOUT（）.6 DIMENSIONS（寸法図）.7 PERFORMANCE GRAPHS（特性図）.8 DISASSEMBLY PROCEDURE（分解手順）.9 NOTES ON WIRING（配線上注意）.14/15 LSI PIN DESCRIPTION（LSI 端子機能表）.16 IC BLOCK DIAGRAM（IC 図）.17 CIRCUIT BOARDS（基板図）.19 INSPECTIONS（検査）.30/

2、38 PARTS LIST BLOCK DIAGRAM（） WIRING DIAGRAM（基板結線図） OVERALL CIRCUIT DIAGRAM（総回路図） PA 011763 PC6501N: 200412-399000 PC4801N: 200412-367500 PC3301N: 200412-315000 PC2001N: 200412-283500 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF-K9051 05.01 POWER AMPLIFIER PC6501N/PC48

3、01N/PC3301N/PC2001N PC6501N （ECF ： 無塩素系漂白） 使用。 This document is printed on chlorine free (ECF) paper. RadioFans.CN 收音机爱 好者资料库 PC6501N/PC4801N/PC3301N/PC2001N 2 * This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD. IMPORTANT NOTICE This manual has been provided for the use of

4、 authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated. WARNING : Failure to follow appropriate se

5、rvice and safety procedures when servicing this product may result in personal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha

6、Retailer or the appointed service representative. IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data pr

7、ovided is belived 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. Modifications are, therefore, inevitable and changes in specification are subject to change without

8、notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the uni

9、t (heavy gauge black wires connect to this bus). IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrica

10、l/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, ELECTRICAL/ELECTRONIC OR PLASTIC COMPON

11、ENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! 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 enclosure of this product, wash your

12、hands before handling food. WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with

13、the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW. The wire which is coloured BLUE must

14、 be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. WARNING Components having special characteristics are marked and must be replaced with parts having

15、 specification equal to those originally installed. 印商品、 安全維持重要部品。 交 換場合、安全必指定部品使用 。 RadioFans.CN 收音机爱 好者资料库 PC6501N/PC4801N/PC3301N/PC2001N 3 SPECIFICATIONS PC6501NPC4801NPC3301NPC2001N Power output level (Rated power) 120 V (U, V, T)/ 240 V (A) 230 V (H, B, W, K, O) 120 V (U, V, T)/ 240 V (A) 230

16、V (H, B, W, K, O) 120 V (U, V, T)/ 240 V (A) 230 V (H, B, W, K, O) 120 V (U, V, T)/ 240 V (A) 230 V (H, B, W, K, O) 1 kHz, THD+N=1 %8 /STEREO700 W x 2750 W x 2550 W x 2500 W x 2350 W x 2400 W x 2230 W x 2250 W x 2 4 /STEREO1100 W x 21150 W x 2 850 W x 2800 W x 2600 W x 2700 W x 2400 W x 2450 W x 2 8

17、 /BRIDGE2200 W2300 W1700 W1600 W1200 W1400 W800 W900 W 20 Hz-20 kHz, THD+N=0.1 % 8 /STEREO650 W x 2650 W x 2475 W x 2450 W x 2330 W x 2350 W x 2200 W x 2230 W x 2 4 /STEREO930 W x 2930 W x 2725 W x 2700 W x 2525 W x 2550 W x 2325 W x 2400 W x 2 8 /BRIDGE1860 W1860 W1450 W1400 W1050 W1100 W650 W800 W

18、 16 /BRIDGE (100 V) -625 W625 W- 1 kHz, 20 mS nonclip2 /STEREO1500 W x 21600 W x 2 1200 W x 21200 W x 2 800 W x 2900 W x 2500 W x 2600 W x 2 4 /BRIDGE3000 W3200 W2400 W2400 W1600 W1800 W1000 W1200 W Power bandwidth 10 Hz-40 kHz (THD+N=0.5 %) Half power Total harmonic distortion (THD+N) 0.1 % 20 Hz-2

19、0 kHz, Half power Frequency responseMAX0 dB RL=8 , Po=1 W,TYP0 dB f=20 Hz-50 kHzMIN1 dB Intermodulation distortion (IMD) 0.1 % 60 Hz:7 kHz, 4:1, Half power Channel separation 70 dBHalf power, RL=8 , 1 kHz, Vol. max., Input 600 shunt Residual noise -70 dBu Vol. min., 20 Hz-20 kHz (DIN AUDIO) SN ratio

20、 105 dB103 dB101 dB100 dB 20 Hz-20 kHz (DIN AUDIO) Damping factor 800500 RL=8 , f=1 kHz Sensitivity +8 dBu+6 dBu+4.5 dBu+3 dBu Vol. max., Rated power into 8 Voltage gain TYP32 dB Vol. max. Maximam input voltageMIN+22 dBu Input impedanceTYP20 k/Balanced, 10 k/Unbalanced ControlsFront panelPOWER switc

21、h (ON/OFF) Volume (31 positions) /ch Rear panelMODE switch (STEREO/BRIDGE/PARALLEL) HPF switch (ON/OFF) /ch fc=20 Hz 12 dB/octave DIP switch (6P) ConnectorsInputXLR-3-31 type /ch Euroblock connector (balance) /ch OutputSPEKON /ch, 5-way binding posts NetworkRJ45 x 2 PowerAC inlet IndicatorsPOWER/STA

22、ND-BYGreen/Orange PROTECTIONRed TEMPRed (heatsink temp85C) REMOTEGreen Level meters10 points LED meter /ch Load protectionPOWER switch ON muting, DC detection Amp. protectionTemp. detection (heatsink temp90C), VI limiter (RL1 ) LimiterComp.: THD0.5 % CoolingDual variable-speed fan Power requirements

23、U, V, T120 V, 60 Hz H, B, W, K, O230 V, 50/60 Hz A240 V, 50/60 Hz Power consumptionIdling40 W Output power, 4 700 W (U, V, T)/ 800 W (A) 800 W (H, B, W, K, O) 450 W (U, V, T)/ 600 W (A) 600 W (H, B, W, K, O) 450 W (U, V, T)/ 500 W (A) 500 W (H, B, W, K, O) 350 W Dimensions (W x H x D)480 x 88 x 456

24、mm Weight12.5 kg AccessoriesPower cord, Security cover, Owners manual, 3-pin Euroblock connector x 2 0 dBu=0.775 Vrms, Half power=1/2 Output power (3 dB below rated power) PC6501N/PC4801N/PC3301N/PC2001N 4 総合仕様 PC6501NPC4801NPC3301NPC2001N 出力 1kHz、 THD N 18/STEREO750W 2500W 2350W 2230W 2 4/STEREO110

25、0W 2800W 2600W 2350W 2 8/BRIDGE2200W1600W1200W700W 20Hz 20kHz、 THD N 0.18/STEREO650W 2450W 2315W 2200W 2 4/STEREO930W 2650W 2500W 2325W 2 8/BRIDGE1860W1300W1000W650W 16/BRIDG （100V） 625W 1kHz, 20mS nonclip2/STEREO1500W 21100W 2800W 2500W 2 4/BRIDGE3000W2200W1600W1000W 出力帯域幅 10Hz 40kHz （THD N 0.5） Ha

26、lf power 全高調波帯域 （THD N） 0.1 20Hz 20kHz、 Half power 周波数特性MAX0dB RL 8、 Po 1W、TYP0dB f 20Hz 50kHzMIN 1dB 混変調歪率 （IMD） 0.1 60Hz ： 7kHz、 4 ： 1、 Half power 70dBHalf power、 RL 8、 1kHz、 最大、 入力 600 残留 70dBu 最小、 20Hz 20kHz （DIN AUDIO） SN 比 105dB103dB101dB100dB 20Hz 20kHz （DIN AUDIO） 800 500 RL 8、 f 1kHz 入力感度 8

27、dBu 6dBu 4.5dBu 3dBu 最大、 Rated power ： 8 TYP32dB 最大 最大許容入力電圧MIN 22dBu 入力TYP20k/ 型、 10k/ 型 POWER （ON/OFF） （31 ） MODE （STEREO/BRIDGE/PARALLEL） HPF （ON/OFF） fc 20Hz 12dB/octave DIP （6P） 入力XLR-3-31 （） 出力、 5 RJ45 2 電源AC （PC6501N 除 ） POWER/STAND-BY緑 / PROTECTION赤 TEMP赤 （ 温度 85 ） REMOTE緑 10 LED POWER 、 DC

28、検出 温度検出 （ 温度 90 ）、 VI （RL 1） ： THD 0.5 連続可変式 電源100V、 50/60Hz 消費電力無信号40W 規定出力、 4800W600W450W300W 最大外形寸法 （W H D）480 88 456mm 重量12.5kg 付属品電源 （PC6501N 除）、 、 取扱説明書、 3 x 2 0 dBu=0.775 Vrms, Half power=1/2 Output power (3 dB below rated power) PC6501N/PC4801N/PC3301N/PC2001N 5 PANEL LAYOUT（） Front Panel（）

29、1 POWER/STAND-BY switch and indicator 2 REMOTE indicator 3 PROTECTION indicator 4 TEMP indicator 5 Level meters 6 Volume knobs 7 Air intakes 8 Security cover 1 POWER/STAND-BY 、 2 REMOTE 3 PROTECTION 4 TEMP 5 6 7吸気口 8 Rear Panel（） 1 XLR inputs 2 MODE switch 3 HPF switches 4 SPEAKERS jacks 5 DATA PORT

30、 jacks 6 AMP ID switch 7 Euroblock connector 8 AC inlet (except PC6501N (J) 9 GND terminals 1 XLR 入力端子 2 MODE 3 HPF 4 SPEAKERS 端子 5 DATA PORT 端子 6 AMP ID 7 8 AC （PC6501N (J)除） 9 GND 端子 TEMP PROTECTION REMOTE POWER/STAND-BY OFFON/ EEEngine CLIP 8 6 9 12 15 18 21 24 27 -dB AB 14 12 10 8 6 4 2 0 16 18

31、20 25 30 35 50 14 12 10 8 6 4 2 0 16 18 20 25 30 35 50 POWER AMPLIFIER -dB AB PC 6501N 20Hz In case of PC6501N (J) （PC6501N (J)場合） 20 Hz20 Hz PC6501N/PC4801N/PC3301N/PC2001N 6 CIRCUIT BOARD LAYOUT（） IN3/5IN2/5PS 2/2 PS 1/2 IN4/5 IN5/5 PA Ach PA Bch IN4/5 IN1/5 Front View（正面図） Side View （側面図） Top Vie

32、w （上面図） Side View （側面図） Rear View （背面図） PC6501N/PC4801N/PC3301N/PC2001N 7 DIMENSIONS（寸法図） POWER AMPLIFIERPC 6501N 480 88 456 46 4 38026 25303703025 Units: mm （単位） PC6501N/PC4801N/PC3301N/PC2001N 8 PERFORMANCE GRAPHS（特性図） PC6501N PC3301N PC4801N PC2001N PC6501N 1 10 100 1000 10000 110100100010000 Out

33、put PowerW Power consumptionW Power ConsumptionW Mode:STEREO Both ch PC3301N Output PowerW Power consumptionW Power ConsumptionW Mode:STEREO Both ch 1 10 100 1000 10000 1101001000 PC4801N Output PowerW Power consumptionW Power ConsumptionW Mode:STEREO Both ch 1 10 100 1000 10000 1101001000 PC2001N O

34、utput PowerW Power consumptionW Power ConsumptionW Mode:STEREO Both ch 1 10 100 1000 10000 1101001000 PC6501N/PC4801N/PC3301N/PC2001N 9 DISASSEMBLY PROCEDURE（分解手順） 1.Top Cover (Time required: about 2 minutes) 1-1.Remove the nine (9) screws marked 280. The top cover can then be removed. (Fig. 1) 2.Re

35、ar Assembly (Time required: about 4 minutes) 2-1.Remove the top cover. (See Procedure 1.) 2-2.Remove the six (6) screws marked 240. The rear assembly can then be removed. (Fig. 2) With PC6501N of the J specification, remove the screw marked 90. (Fig.1) 1.（所要時間：約2分） 1-1.2809本外、 外。 (図1) 2.Assy（所要時間：約4

36、分） 2-1. 外 。 （1 項参照) 2-2.2406本外、 Assy 外。（図2) PC6501N (J)仕向90外。(図1) 30: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) + B 90: Bind Head Screw 4.0X8 MFZN2BL (EG340360) + 小 100: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) + B 280: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) B Fig.1 （図 1

37、） 240: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) B 330: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) + B Fig.2 （図 2） 280280 280 280 100 30b 30b 40 90 30a PS 1/2 IN 4/5 I/O Rock 240240 330 240 PC6501N/PC4801N/PC3301N/PC2001N 10 3.IN 1/5 Circuit Board (Time required: about 5 minutes) 3-1.

38、Remove the top cover. (See Procedure 1.) 3-2.Remove the rear assembly. (See Procedure 2.) 3-3.Remove the two (2) screws marked 330 and then remove the SP terminal cover. (Fig. 2) 3-4.Remove the one (1) screw marked R70 , two (2) screws marked R80 , four (4) screws marked R90 and four (4) screws mark

39、ed R100. The IN 1/5 circuit board can then be removed. (Fig. 3) 4.IN 4/5 Circuit Board (Time required: about 5 minutes) 4-1.Remove the top cover. (See Procedure 1.) 4-2.Remove the rear assembly. (See Procedure 2.) 4-3.Remove the four (4) screws marked 30a. The IN 4/5 circuit board can then be remove

40、d. (Fig. 1) 5.IN 5/5 Circuit Board (Time required: about 3 minutes) 5-1.Remove the top cover. (See Procedure 1.) 5-2.Remove the two (2) screws marked R60. The IN 5/5 circuit board can then be removed. (Fig. 3) 3.IN 1/5 （所要時間：約5分） 3-1. 外。 (1 項参照) 3-2. Ass y 外。 (2 項参照) 3-3.3302本外、 外 。 (図2) 3-4.R70 1 本

41、、 R80 2 本、 R90 4 本、 R100 4 本外、 IN1/5 外 。 (図3) 4.IN 4/5 （所要時間：約5分） 4-1. 外。 (1項参照) 4-2. Ass y 外。 (2項参照) 4-3.30a4本外、IN4/5 外 。(図1) 5.IN 5/5 （所要時間：約3分） 5-1. 外。 (1項参照) 5-2.R602本外、IN5/5 外 。（図3) R60: Pan Head Screw 2.6X6 MFZN2BL (VC990500) + 小 R70: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300) B R80: Bin

42、d Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600) + B R90: Bind Head Tapping Screw-B 2.6X8 MFZN2BL (VB096700) + B R100: Flat Head Tapping 3.0X8 MFZN2BL (EP600790) + 皿 B Fig.3 （図 3） 6.Front Panel Assembly (Time required: about 4 minutes) 6-1.Remove the three (3) screws marked 210a from the side cover

43、L, three (3) screws marked 210b from the side cover R and two (2) screws marked 220. The front panel assembly can then be removed. (Fig. 4) 6.Assy（所要時間：約4分） 6-1. 210a3本 R 210b 3本外、 220 2本外、 Ass y 外。 (図4) 2020R50 IN 1/5 R90R90R70R100R100 R10R80R60 IN 5/5 PC6501N/PC4801N/PC3301N/PC2001N 11 185: Flat W

44、asher 4X9X0.8 MFZN2BL (VP367000) 平座金丸 190: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) B 210: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) B 220: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) + B Fig.4 （図 4） 7.DC Fan (Time required: about 4 minutes) 7-1.Remove the top cover. (See Proce

45、dure 1.) 7-2.Remove the front panel assembly. (See Procedure 6.) 7-3.Remove the two (2) screws marked F30 from the DC fan and then remove the fan. Use the same for both right and left fans. (Fig. 5) 8.Power Switch (Time required: about 8 minutes) 8-1.Remove the top cover. (See Procedure 1.) 8-2.Remo

46、ve the front panel assembly. (See Procedure 6.) 8-3.Remove the DC fans. (See Procedure 7.) 8-4.Remove the four (4) screws marked F180 and then remove the two front covers. (Fig. 5) 8-5.Remove the six (6) screws marked F150 and then remove the front panel. (Fig. 6) 8-6.Remove the Power switch knob an

47、d the two (2) screws marked F40. The power switch (PS 2/2 circuit board mount) can then be removed. (Fig. 6) 8-7.Remove the power switch from the PS 2/2 circuit board. 7.DC （所要時間：約 4 分） 7-1. 外 。 (1項参照) 7-2. Ass y 外 。 (6項参照) 7-3.DC F30 2本外、 外 。 左右 同方法外。 (図5) 8.（所要時間：約8分） 8-1. 外 。 (1項参照) 8-2. Ass y 外 。 (6項参照) 8-3. DC 外 。 (7項参照) 8-4.F180 4 本外、 印刷及 処理 2 所外。 (図5) 8-5.F1506本外、 外 。 (図6) 8-6. 外、 F40 2 本外