Yamaha-NSP-220-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL I CONTENTS TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . . .1 SW-P201 REAR PANELS . . . . . . . . . . . . . . . . . . . 12 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 SW-P201 DISASSEMBLY PROCEDURES . . . . . . . . .4 100771 SERVICE MANUAL NS-P220

2、 HOME THEATER SPEAKER SYSTEM SW-P201 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . .5 SW-P201 PRINTED CIRCUIT BOARD . . . . . . . . . 67 SW-P201 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . .8 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 914 NS-P220 is composed of NX-220

3、P, NX-C220 and SW-P201. The NX-220P and NX-C220 loudspeakers are not field serviceable and must be replaced as complete units. 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 inhe

4、rent 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 service and safety procedures when servicing this product may result in personal injury, destruction of expensive co

5、mponents, and failure of the product 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 indivi

6、dual or firm does not constitute 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

7、, and service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Divisio

8、n. WARNING:Static discharges can 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. Rec

9、heck all work before you apply power to the unit. G SW-P201 G NX-C220 G NX-220P x 4 NS-P220 RadioFans.CN 收音机爱 好者资料库 NS-P220 NS-P220 I TO SERVICE PERSONNEL 1. Critical Components Information. Components having special characteristics are marked Z and must be replaced with parts having specifications

10、equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only). When 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

11、. AC LEAKAGE TESTER OR EQUIVALENT EQUIPMENT UNDER TEST INSULATING TABLE WALL OUTLET WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chem

12、icals 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 COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact betwee

13、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. 1 I SW-P201 REAR PANELS GLeakage current must not exceed 0.5mA.

14、 GBe sure to test for leakage with the AC plug in both polarities. M SW-P201 U, C modelsM SW-P201 B,G models RadioFans.CN 收音机爱 好者资料库 NS-P220 NS-P220 M SW-P201 A modelM SW-P201 R model 2 NS-P220 NS-P220 ISPECIFICATIONS 200.6 (77/8) 40 (13/4) 335 (133/16) 9 (3/8) 389 (155/16) 390.1 (153/8) 5.5 (3/16)

15、395.6 (159/16) Units : mm (inch) 140.4 (51/2) 111.6 (43/8) 20.1 (13/16) 100.2 (315/16) 100 (315/16)20 (13/16) 111.5 (43/8) 140 (51/2) INX-220P & NX-C220 Type . 2-way acoustic suspension speaker system Magnetic shielding type Driver.8 cm (3-1/8) cone type 1.9 cm (3/4) balanced dome type Nominal Input

16、 Power. 30 W Maximum Input Power . 100 W Impedance . 6 ohms Frequency Response . 140 Hz to 27 kHz Sensitivity .86 dB/2.83 V,m Dimensions (W X H X D) NX-220P. 100 x 140 x 113 mm (3-15/16 x 5-1/2 x 4-7/16) NX-C220 . 140 x 100 x 112 mm (5-1/2 x 3-15/16 x 4-7/16) Weight NX-220P. 0.7 kg (1 lbs. 9 oz) x 4

17、 NX-C220 . 0.7 kg (1 lbs. 9 oz) x 4 Finish .Black color (R, A, B, G) Black Gray color (U, C) Silver color ISW-P201 Type. Advanced Yamaha Active Servo Technology Output Power .50 W(100 Hz, 5 ohms at T.H.D. = 10 %) Input Sensitivity INPUT1 (SP) . 1.2 V INPUT2 (PJ) . 55 mV Input Impedance INPUT1 (SP) .

18、 4.7 k-ohms INPUT2 (PJ) . 12 k-ohms Frequency Response . 30 Hz to 200 Hz Speaker Unit . 16 cm (6-5/16) cone Magnetic shielding type Input Section INPUT1.Speaker terminal INPUT2.RCA pin jack Output Section .Speaker terminal (parallel connect) Operating Section . Bass volume control Power switch Auto

19、standby switch (H-L-OFF) Power Supply U, C models .AC120V, 60 Hz A model .AC240V, 50 Hz B, G models .AC230V, 50 Hz R model . AC110-120/220-240V, 50/60 Hz Power Consumption . 42 W Dimensions (W x H x D) . 200 x 395 x 384 mm (7-7/8 x 15-9/16 x 15-1/8) Weight . 9.3 kg (20 lbs. 8oz) Finish .Black color

20、(R, A, B, G) Black Gray color (U, C) Silver color IACCESSORIES Pin Cord (3 m) x 1 Speaker Cable (15 m) x 2 Speaker Cable (4 m) x 3 Bracket (typeAx 3, typeB x 2, typeC x 5) Screw with flange x 8 Wing Bolt x 2 * Specifications subject to change without notice. G NX-220P G NX-C220 G SW-P201 U . . . . .

21、 . . . . . . . . USA model C . . . . . . . . . Canadian model A . . . . . . . . Australian model B . . . . . . . . . . . British model G . . . . . . . . .European model R . . . . . . . . . . General model 3 NS-P220 NS-P220 ISW-P201 DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.) 1. R

22、emoval of Front Grille The front grille is fixed to the cabinet with dowels at 6 locations. * As a screwdriver (for slotted head screw) is used for removal, use special care not to cause damage to the cabinet. a. Using the screwdriver inserted in the gap between the front grille and the cabinet (bot

23、tom side first), push up the front grille. b. Remove the front grille by lifting it up. When installing the Front Grille, apply quick-drying bond to the dowels and then fit them into dowel holes for secure installation. (The Front Grille will come off easily if its dowels are fitted into dowel holes

24、 only.) 2. Removal of Rear Panel Remove 14 screws ( q ) in Fig. 2. *Arrow marks ( ) are printed to identify the screws to be removed. q Fig. 2 Fig. 1 *When assembling the Rear Panel, check to ensure that the packing is not damaged so as to prevent air leakage from occurring. 4 NS-P220 NS-P220 ISW-P2

25、01 BLOCK DIAGRAM IC1A IC1B IC2A AUTO POWER SW1 AUTO POWER ON/OFF CIRCUIT VR1 VOLUME L.P.F. 6dB/oct H.P.F. 12dB/oct L.P.F. 12dB/oct 3 61 5 76 8 7 IC2B IC4 IC5 A.N.I.C LIMITER RY1 RY2 4 2 2 IC7, 8 Q12 D15, 16, 18 Q4Q7 D10, 11, 19, 20 1 10 D13 D4 D14 D2 D1 Q10 D5 B +B 9 8 3 2 0.1 PROTECTION H/L OFF VCC

26、 PWR R65 C51 TIMER IC6 MUSIC SENSOR IC3 8 4 6 3 7 Q11 +15 +B B 15 VCC REGULATOR REGULATOR Q1, Q2 Q3 POWER SUPPLY D3 Q8, D8 Q9, D9 F1 POWER SW L R + + INPUT 1 SPEAKER L R INPUT 2 L R + + OUTPUT + POWER AMP 5 ABCDE 1 2 3 4 5 6 7 NS-P220 I SW-P201 PRINTED CIRCUIT BOARD (Component side) WH BL RE TO : AM

27、P (B) WH RE TO : SPEAKER AMP P. C. B. ( A ) FROM : AMP (B) FROM : AMP (C) FROM : AMP (D) FROM : AMP (C) OUTPUT + INTPUT 1 + INTPUT 2 AUTO STANDBY STANDBY-RED ON-GREEN AMP P. C. B. ( C ) TO : AMP (A) TO : AMP (A) R+ L+ R- L- R- L- R+ L+ L R 6 ABCDE 1 2 3 4 5 6 7 NS-P220 AMP P. C. B. ( D ) VOLUME TO :

28、 AMP (A) AMP P. C. B. ( E ) WH BE TO : AMP (B) POWER I SW-P201 PRINTED CIRCUIT BOARD (Component side) AMP P. C. B. ( B ) RE BL WH TO : AMP (A) TO : AMP (A) FROM : POWER CORD BE WH TO : AMP (E) 123 456 VOLTAGE SELECTOR BRRE WH GR RE R only GR BR WH BE RE 7 ABCDEFGH 1 2 3 4 5 6 IJK 7 8 NS-P220 ISW-P20

29、1 SCHEMATIC DIAGRAM * All voltage are measured with a 10M/V DC electric volt meter. * Components having special characteristics are marked Zand must be replaced with parts having specifications equal to those originally installed. * Schematic diagram is subject to change without notice. BA4558NPC123

30、7HA M51848L PC4570HA 1 9 1SS133 1SR139-400 MTZJ12C MTZJ15C MTZJ24B Anode CathodeB C E 2SA1015 (Y) 2SC1815 (Y) 2SC2240 (GR, BL) RBV-402 D GS 2SK304 (E, T)STK404-050 PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS. E-8/J-6 POWER AMP LIMITER AUTO POWER ON/OFF CIRCUIT PROTECTION 0 0 -14.3 0 14.3 0

31、 0 0 0 0 0.6 1.9 0 0 9.1 9.8 10.4 11.1 0 0 0 0.1 -0.1 0.1 -0.1 14.3 -14.3 0 0 00 0 0 0 0 00 0 0 14.1 -14.1 0.5 0.5 0.10 00.1 14.1 14.3 0 0 0 0 14.3 -14.3 0 0 -1.5 0 5.5 9.8 11.0 9.7 5.5 0 11.0 1.4 0 0 10.9 9.7 9.1 0.8 26.9 0 0 0 14.3 0 0 0 14.3 -14.3 0 30.9 0 -31.2 30.9 14.2 14.8 -31.1-14.2 -14.8 0

32、29.5 29.9 29.9 4.0 0 0.1 0.7 AC49.0 0 12.1 29.911.6 11.7 12.2 3.5 2.2 0.8 0 2.9 0 0 0 0 1.4 9.7 11.0 7.4 10.9 10.9 11.0 0.1 0.1 0 -30.9 14.3 1.2 -1.2 -31.4 30.9 0 1.9 WH RE GR WH RE BR BE BE WH R MODEL BE BE BE WHWH WH BE + BCE 2SB1565 (EF) 2SD2394 (DEF) 1 8 1 8 1 10 VO1 2 Vm1 3 +Vm1 4 VEE 5 +Vm2 6

33、Vm2 7 VO2 8 VCC 9 VCC 1 1 + 2 IC2, 3, 7, 8 : PC4570HA Dual OP-Amp IC6 : M51848L CR Timer IC1 : BA4558N Dual OP-Amp IN1 2 +IN1 3 VCC 4 +IN2 5 IN2 6 OUT2 7 +VCC 8 OUT1 1 + + IC4 : STK404-050 AF Power Amp IC5 : PC1237HA Protector IC for Power Amplifier 1 2 534 78 6 Overload detect Mid-point potential d

34、etect Flip flop circuit Vcc on mute AC OFF detect Latch / automatic return select Relay drive circuit GND Vcc GND 64123 TRIGGER OUT RESET REFERENCE VOLTAGE THRESHOLD DISCHARGE VCC 78 + FLIP- FLOP + 5 RRR 12345678910 R1 R4 R5 C1 C2 D1 TR3 TR5 R3R6 TR4 SUB R2 TR1 TR2 TR6 TR7 TR8 NS-P220 NS-P220 9 ABBR

35、EVIATIONS IN THIS LIST ARE AS FOLLOWS : C.A.EL.CHP: CHIP ALUMI. ELECTROLYTIC CAP C.CE: CERAMIC CAP C.CE.ARRAY: CERAMIC CAP ARRAY C.CE.CHP: CHIP CERAMIC CAP C.CE.ML: MULTILAYER CERAMIC CAP C.CE.M.CHP: CHIP MULTILAYER CERAMIC CAP C.CE.SAFTY: RECOGNIZED CERAMIC CAP C.CE.TUBLR: CERAMIC TUBULAR CAP C.CE.

36、SMI: SEMI CONDUCTIVE CERAMIC CAP C.EL: ELECTROLYTIC CAP C.MICA: MICA CAP C.ML.FLM: MULTILAYER FILM CAP C.MP: METALLIZED PAPER CAP C.MYLAR: MYLAR FILM CAP C.MYLAR.ML: MULTILAYER MYLAR FILM CAP C.PAPER: PAPER CAPACITOR C.PLS: POLYSTYRENE FILM CAP C.POL: POLYESTER FILM CAP C.POLY: POLYETHYLENE FILM CAP

37、 C.PP: POLYPROPYLENE FILM CAP C.TNTL: TANTALUM CAP C.TNTL.CHP: CHIP TANTALUM CAP C.TRIM: TRIMMER CAP CN: CONNECTOR CN.BS.PIN: CONNECTOR, BASE PIN CN.CANNON: CONNECTOR, CANNON CN.DIN: CONNECTOR, DIN CN.FLAT: CONNECTOR, FLAT CABLE CN.POST: CONNECTOR, BASE POST COIL.MX.AM: COIL, AM MIX COIL.AT.FM: COIL

38、, FM ANTENNA COIL.DT.FM: COIL, FM DETECT COIL.MX.FM: COIL, FM MIX COIL.OUTPT: OUTPUT COIL DIOD.ARRAY: DIODE ARRAY DIODE.BRG: DIODE BRIDGE DIODE.CHP: CHIP DIODE DIODE.VAR: VARACTOR DIODE DIOD.Z.CHP: CHIP ZENER DIODE DIODE.ZENR: ZENER DIODE DSCR.CE: CERAMIC DISCRIMINATOR FER.BEAD: FERRITE BEADS FER.CO

39、RE: FERRITE CORE FET.CHP: CHIP FET FL.DSPLY: FLUORESCENT DISPLAY FLTR.CE: CERAMIC FILTER FLTR.COMB: COMB FILTER MODULE FLTR.LC.RF: LC FILTER ,EMI GND.MTL: GROUND PLATE GND.TERM: GROUND TERMINAL HOLDER.FUS : FUSE HOLDER IC.PRTCT: IC PROTECTOR JUMPER.CN: JUMPER CONNECTOR JUMPER.TST: JUMPER, TEST POINT

40、 L.DTCT: LIGHT DETECTING MODULE Note) Those parts marked with “#” are not included in the P.C.B. assy. L.EMIT: LIGHT EMITTING MODULE LED.DSPLY: LED DISPLAY LED.INFRD: LED, INFRARED MODUL.RF: MODULATOR, RF PHOT.CPL: PHOTO COUPLER PHOT.INTR: PHOTO INTERRUPTER PHOT.RFLCT: PHOTO REFLECTOR PIN.TEST: PIN,

41、 TEST POINT PLST.RIVET: PLASTIC RIVET R.ARRAY: RESISTOR ARRAY R.CAR: CARBON RESISTOR R.CAR.CHP: CHIP RESISTOR R.CAR.FP: FLAME PROOF CARBON RESISTOR R.FUS: FUSABLE RESISTOR R.MTL.CHP: CHIP METAL FILM RESISTOR R.MTL.FLM: METAL FILM RESISTOR R.MTL.OXD: METAL OXIDE FILM RESISTOR R.MTL.PLAT: METAL PLATE

42、RESISTOR RSNR.CE: CERAMIC RESONATOR RSNR.CRYS: CRYSTAL RESONATOR R.TW.CEM: TWIN CEMENT FIXED RESISTOR R.WW: WIRE WOUND RESISTOR SCR.BND.HD: BIND HEAD B-TITE SCREW SCR.BW.HD: BW HEAD TAPPING SCREW SCR.CUP: CUP TITE SCREW SCR.TERM: SCREW TERMINAL SCR.TR: SCREW, TRANSISTOR SUPRT.PCB: SUPPORT, P.C.B. SU

43、RG.PRTCT : SURGE PROTECTOR SW.TACT: TACT SWITCH SW.LEAF: LEAF SWITCH SW.LEVER: LEVER SWITCH SW.MICRO: MICRO SWITCH SW.PUSH: PUSH SWITCH SW.RT.ENC: ROTARY ENCODER SW.RT.MTR: ROTARY SWITCH WITH MOTOR SW.RT: ROTARY SWITCH SW.SLIDE: SLIDE SWITCH TERM.SP: SPEAKER TERMINAL TERM.WRAP: WRAPPING TERMINAL THR

44、MST.CHP : CHIP THERMISTOR TR.CHP: CHIP TRANSISTOR TR.DGT: DIGITAL TRANSISTOR TR.DGT.CHP: CHIP DIGITAL TRANSISTOR TRANS: TRANSFORMER TRANS.PULS: PULSE TRANSFORMER TRANS.PWR: POWER TRANSFORMER ASSy TUNER.AM: TUNER PACK, AM TUNER.FM: TUNER PACK, FM TUNER.PK: FRONT-END TUNER PACK VR: ROTARY POTENTIOMETE

45、R VR.MTR: POTENTIOMETER WITH MOTOR VR.SW: POTENTIOMETER WITH ROTARY SW VR.SLIDE: SLIDE POTENTIOMETER VR.TRIM: TRIMMER POTENTIOMETER IELECTRICAL PARTS PARTS LIST I WARNING Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. GCarbon resistors (1/6W o