TO SERVICE PERSONNEL. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having sp

Transcription

1 DESKTOP AUDIO SYSTEM 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 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 components, 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 individual 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, 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 distributor's Service Division. 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. Recheck all work before you apply power to the unit. CONTENTS TO SERVICE PERSONNEL... PREVENTION OF ELECTROSTATIC DISCHARGE... FRONT PANELS... REAR PANELS REMOTE CONTROL PANELS... SPECIFICATIONS /... INTERNAL VIEW... DISASSEMBLY PROCEDURES... TEST MODE BLOCK DIAGRAM... 8 WIRING DIAGRAM... 9 PRINTED CIRCUIT BOARDS... 0 SCHEMATIC DIAGRAMS... REPLACEMENT PARTS LIST... REMOTE CONTROL All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. P.O.Box, Hamamatsu, Japan '08.0

2 TO SERVICE PERSONNEL. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.. Leakage Current Measurement (For 0V Models 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 00 ohms shunted by 0.µF. WALL OUTLET EQUIPMENT UNDER TEST INSULATING TABLE AC LEAKAGE TESTER OR EQUIVALENT Leakage current must not exceed 0.mA. Be sure to test for leakage with the AC plug in both polarities. WARNING: CHEMICAL CONTENT NOTICE! 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 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 hands before handling food. About lead free solder / 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 repair 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 0 C to 0 C (0 F to 0 F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder.

3 WARNING: Lithium batteries CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. 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 replace with batteries of the same type. When installing on the PC board by soldering, solder using 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 not 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 håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren. VARNING Explosionsfara vid felaktigt batteribyte. Använd samma batterityp eller an ekvivalent typ som rekommenderas av apparattillverkaren. Kassera använt batteri enligt fabrikantens instruktion. VAROITUS Paristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä käytetty peristo valmistajan ohjeiden mukaisesti. WARNING: Laser Safety This product contains a laser beam component. This component may emit invisible, as well as visible radiation, which may cause eye damage. To protect your eyes and skin from laser radiation, the following precautions must be used during servicing of the unit. ) When testing and/or repairing any component within the product, keep your eyes and skin more than 0 cm away from the laser pick-up unit at all times. Do not stare at the laser beam at any time. ) Do not attempt to readjust, disassemble or repair the laser pick-up, unless noted elsewhere in this manual. ) CAUTION : Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. Laser Emitting conditions: ) When the top cover is removed, and the STANDBY/ON SW is turned to the ON position, the laser component will emit a beam for several seconds to detect if a disc is present. During this time (-0 sec.) the laser may radiate through the lens of the laser pick-up unit. Do not attempt any servicing during this period! If no disc is detected, the laser will stop emitting the beam. When a disc is loaded, you will not be exposed to any laser emissions. ) The laser power level can be adjusted with the VR on the pick-up PWB, however, this level has been set by the factory prior to shipping from the factory. Do not adjust this laser level control unless instruction is provided elsewhere in this manual. Adjustment of this control can increase the laser emission level from the device.

4 Laser Diode Properties Type GaAlAs Wave length 80 nm Emission duration continuous Laser output max.. µw * * This output is the value measured at a distance of about 00 mm (.9 in) from the objective lens surface on the optical pick-up block. Warning for power supply The primary side of the power supply carries live mains voltage when the player is connected to the mains even when the player is switched off! This primary area is not shielded so it is possible to touch copper tracks and/or components when servicing the player. Service personnel have to take precautions to prevent touching this area or components in this area. Note: The screws on the DVD mechanism may never be touched, removed or re-adjusted. Handle the DVD mechanism with care when the unit has to be exchanged! The DVD mechanism is very sensitive for dropping or giving shocks.

5 PREVENTION OF ELECTROSTATIC DISCHARGE Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor chip components. The following techniques should be used to help reduce the incidence of component damage caused by electro static discharge (ESD).. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test.. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.. Use only a grounded-tip soldering iron to solder or unsolder ES devices.. Use only an anti-static solder removal device. Some solder removal devices not classified as anti-static (ESD protected) can generate electrical charge sufficient to damage ES devices.. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material).. Immediately before removing the protective material from the leads of a replacement ES divice, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as brushing together of your fabric clothes or lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device). Grounding for electrostatic breakdown prevention. Human body grounding. Use the antistatic wrist strap to discharge the static electricity from your body.. Work table grounding. Put a conductive material (sheet) or steel sheet on the area where the optical pickup is placed and ground the sheet. Caution: The static electricity of your clothes will not be grounded through the wrist strap. So take care not to let your clothes touch the optical pickup. Anti-static wrist strap M-ohms Conductive material (sheet) or steel sheet

6 FRONT PANELS Top view R, B, G models USB port U, A, J models ipod port

7 Front view U model R, A, G, J models B model

8 REAR PANELS Rear view U model PHONES PORTABLE R, A, G, J models B model 8

9 Bottom view U model R model 9

10 A, B, G models J model 0

11 R REMOTE CONTROL PANELS Black color U model R model A model B model G model SPECIFICATIONS / Player Section / Playback system /... CD, CD-R/RW Amplifier Section / Type /... Twin SR-Bass Magnetic shielding type / Driver /.... cm (-/") Titanium cone full-range x Minimum RMS output power per channel / (EIAJ)... 0 W + 0 W Input sensitivity/impedance / U, R, A, B, J models PORTABLE mv/ k-ohms G model AUX mv/ k-ohms Output level/impedance / PHONES (volume max.) U, R, A, G models... V/ ohms B, J models... 0 V/ ohms * Specifications are subject to change without notice due to product improvements. U... U.S.A. model R... General model A... Australian model B... British model G... European model J... Japanese model Swing Radiator Bass is a trademark of YAMAHA CORPORATION. ipod is a trademark of Apple Inc., registered in the U.S. and other countries. Silver color U model R model A model B model G model J model ipod Section / [U, A, J models] Support ipod models /... ipod (Click and wheel), ipod mini, ipod nano, ipod touch FM Tuner Section / Tuning range / U model to 0.9 MHz R, A, B, G models to MHz J model....0 to 08.0 MHz AM Tuner Section / Tuning range / U model... 0 to,0 khz R, A, B, G, J models... to,9 khz The XM name and related logos are registered trademarks of XM Satellite Radio Inc. This receiver supports DAB tuning. DIMENSIONS / DAB Tuner Section [B model] Tuning range (BAND III)... MHz to 0 MHz Sensitivity db Selectivity (for adjacent channel)... 0 db Antenna input (unbalanced)... 0 ohms General / 00 (-/8") Power supply / U model... AC 0 V, 0 Hz R, A, B, G, J models... AC 00-0 V, 0/0 Hz Power consumption... 0 W Standby power consumption....0 W or less Dimensions (W x H x D) x. x 00 mm (-/ x -9/ x -/8 ) Weight.... kg ( lbs. oz.) Finish Black color... U, R, A, B, G, J models Silver color... U, R, A, B, G, J models Accessories Remote control x, Battery (Lithium, CR0) x, AM loop antenna (.0 m) x, Indoor FM antenna (. m) x, Power cable ( m) x, Indoor DAB antenna (.0 m) x (B model) 00 (-/") Unit: mm (inch). (-9/")

12 INTERNAL VIEW Top view Front view 9 0 A B A B C D SPEAKER L ASS'Y SMPS P.C.B. MAIN () P.C.B. MAIN () P.C.B. (U, A, J models) MAIN () P.C.B. (R, B, G models) DAB MODULE (B model) MAIN () P.C.B. (B model) AM/FM TUNER MODULE MAIN () P.C.B. SPEAKER R ASS'Y MAIN (8) P.C.B. MAIN () P.C.B. MAIN () P.C.B. MAIN (9) P.C.B. MAIN (0) P.C.B. CD MECHANISM UNIT. Removal of Rear Cabinet Ass y a. Remove screws () and screws (). (Fig. ) b. Pull out the rear cabinet rearward slowly. (Fig. ) c. Remove CN. (Fig. ) d. Remove screw () and then remove the ground lead. (Fig. ) e. Remove the rear cabinet ass y. (Fig. ). Removal of Front Panel Unit a. Remove screws (). (Fig. ) b. Remove CN8, CN8 and CN8. (Fig. ) c. Remove the front panel unit forward. (Fig. ). Removal of Speaker L Ass y and Speaker R Ass y a. Remove screws (). (Fig. ) b. Remove CN8. (Fig. ) c. Remove the speaker L ass y. (Fig. ) d. Remove screws (). (Fig. ) e. Remove CN8. (Fig. ) f. Remove the speaker R ass y. (Fig. ) CN8 Front panel unit CN8 Speaker L ass'y CN8 CN8 D C CN8 DISASSEMBLY PROCEDURES / (Remove parts in the order as numbered.) Disconnect the power cable from the AC outlet. CN Safety 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. C9 on the SMPS () P.C.B. is dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there. Before starting any repair work, perform discharge by connecting a discharge resistor (k-ohms/0 W) between terminals of the capacitor. The time required for discharging is about 0 seconds. After the repair work, also perform discharge in the same manner. Speaker R ass'y Ground lead Fig. Rear cabinet ass'y

13 . Removal of AM/FM Tuner Module a. Remove screws (). (Fig. ) b. Remove CN. (Fig. ) c. Remove the AM/FM tuner module. (Fig. ). Removal of MAIN() P.C.B. a. Remove screws (8) and screw (9). (Fig. ) b. Remove CN, CN, CN, CN9-9 and CN9. (Fig. ) c. Remove CN. (Fig. ) (B model) d. Remove the MAIN () P.C.B.. (Fig. ). Removal of CD Mechanism Unit and Optical Pick-Up a. Remove screws (0). (Fig. ) b. Remove CN-. (Fig. ) c. Lift up the rear side of the CD mechanism unit, then remove it rearward. (Fig. ) * When installing the CD mechanism unit, install the flexible flat cable as shown in Fig * CD mechanism unit CN CN 8 CN9 CN Flexible flat cable OK NG MAIN () P.C.B. Fig. CN CN 0 9 CN9 CN CN (B model) 0 0 CN9 CN9 CN CN CD mechanism unit CN AM/FM tuner module Fig.

14 d. Remove screws (A) and then remove the drive unit. (Fig. ) e. Remove flexible flat cable. (Fig. ) f. Remove stopper gear A and then remove the gear A. (Fig. ) g. Remove stopper sled shaft and then remove the sled shaft. (Fig. ) h. Remove the optical pick-up unit. (Fig. ) * Never touch the potentiometer installed to the optical pick-up unit. (Fig. ) A CD mechanism unit Optical pick-up unit Drive unit Flexible flat cable Sled shaft Gear A A A Stopper sled shaft Stopper gear A Fig. Potentiometer Optical pick-up unit Fig.

15 How to manually eject a disc If the inserted disc cannot be ejected, it is possible to eject it manually. a. Remove the CD mechanism unit. (Refer to Disassembly Procedures) b. Turn the loading gear in the arrow direction until the disc is ejected. (Fig. ) CD mechanism unit Left side Disc Loading gear Fig.

16 TEST MODE The firmware version is displayed. Starting Service Mode a. Connect the power cable of this unit to the AC power outlet. b. Press the INPUT/SNOOZE key of this unit to turn on the power. c. Press the INPUT/SNOOZE key of this unit repeatedly to select the CD. Make sure that [No Disc] is displayed. * While the disc is being played, press the A/F (STOP/EJECT) key to eject the disc. d. While pressing the MUTE key of this unit, press the A/F (STOP/EJECT) key of this unit. The SERVICE mode is activated and each firmware version is displayed at about seconds intervals. This is displayed when the SERVICE mode is activated. SERVICE MODE HOST VER 008-0U/U The firmware version of the main microprocessor is displayed. About seconds Destination DSP VER The firmware version of DSP is displayed. About seconds USB VER xx xx xx xx The firmware version of USB is displayed. (R, B, G models) About seconds DAB VER xx xx xx xx The firmware version of DAB is displayed. (B model) About seconds :PM No Disc Ordinary display. e. Press the POWER OFF key of this unit to turn off the power. f. Disconnect the power cable of this unit from the AC power outlet. Starting Factory Reset All settings are returned to initial settings. a. Activate the Service Mode. b. While the firmware versions are displayed, press and hold the INPUT/SNOOZE key for longer than seconds. c. [FACTORY SET] is displayed and the power is turned off automatically in about seconds.

17 A F A F SERVICE MODE HOST VER 008-0U/U DSP VER :PM No Disc

18 A B C D E F G H I J BLOCK DIAGRAM AM/FM RDS_DATA MICROPROCESSOR IC,, IC IC HP_ON RY PHONES ipod,8, IC,,,,,,, 9 ADL_SDTO IC U, B models R, A, G, J models - 9-, L SPEAKERS JK MICROPROCESSOR U, A, J models, IC 8,9 RY R IC IC JK MICROPROCESSOR CD_SDTO AMPV SP_ON XM_SDTO U model B model IC DAB_SDTO MICROPROCESSOR DAB/XM_SDTO IC USB (R, B, G models) R, B, G models JK USBD+/- IC 9,80 IC IC, CD MECHANISM UNIT AM/FM TUNER ipod DOCK (U, A, J models) XM (U model) DAB (B model) IC MICROPROCESSOR 99 BEEP V_PROTECT +.VD +VD POWER H (MAIN) 9,0 88 0,,,,,0, IC AC AC IN 9 8-8,9-98 S80-8 SENSOR REMOTE KEY0- PANEL KEYS AMPV RC8 RC8 FL8 (AMP) ROOM SENSOR REMOTE MAIN See page -0 SCHEMATIC DIAGRAM SMPS See page SCHEMATIC DIAGRAM 8

19 A B C D E F G H I J WIRING DIAGRAM CD MECHANISM UNIT (Writing port) MAIN () P.C.B. MAIN () P.C.B. MAIN () P.C.B. (Writing port) R, B, G models U, A, J models SMPS P.C.B. MAIN () P.C.B. AM/FM TUNER MODULE B model MAIN () P.C.B. MAIN () P.C.B. MAIN (9) P.C.B. MAIN (8) P.C.B. SPEAKER R ASS'Y SPEAKER L ASS'Y MAIN (0) P.C.B. MAIN () P.C.B. 9

20 A B C D E F G H I J PRINTED CIRCUIT BOARDS MAIN () (Top view) Note) The electrical parts available as servicing parts are those in the replacement parts list only. When replacement of any electrical part other than those in the list is necessary, replace the P.C.B. assembly which includes that part. AC IN MAIN () BN8 MAIN () BN U model PORTABLE PHONES XM SMPS CN9 SMPS CN9 MAIN () BN (U, A, J models) MAIN () BN (R, B, G models) MAIN () BN B model MAIN () BN (B model) AM/FM TUNER MODULE MAIN () BN BAT: 0HAH (B, G models) CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. SMPS CN9 MAIN (8) CN8 MAIN (9) CN8 0

21 A B C D E F G H I J MAIN () (Bottom view)

22 A B C D E F G H I J MAIN () (Top view) MAIN () (Bottom view) CD MECHANISM UNIT CD MECHANISM UNIT (Writing port) MAIN () CN MAIN () CN (Writing port) MAIN () CN CD MECHANISM UNIT

23 A B C D E F G H I J MAIN () (Top view) MAIN () (Top view) U, A, J models MAIN (8) BN8 MAIN (9) BN88 ipod MAIN () BN8 MAIN () CN8 MAIN (0) BN89 MAIN () CN MAIN () (Bottom view) MAIN () (Bottom view) U, A, J models

24 A B C D E F G H I J MAIN () (Top view) MAIN () (Top view) R, B, G models MAIN () (Top view) B model MAIN () CN8 USB MAIN () CN INPUT/SNOOZE MAIN () CN MAIN () (Bottom view) MAIN () (Bottom view) MAIN () (Bottom view) R, B, G models B model

25 A B C D E F G H I J MAIN (8) (Top view) MAIN (9) (Top view) MAIN (0) (Top view) SPEAKER L ASS'Y MAIN () BN8 MAIN () CN8 MAIN () BN8 SPEAKER R ASS'Y MAIN () CN88 MAIN () CN89 MAIN (8) (Bottom view) MAIN (9) (Bottom view) MAIN (0) (Bottom view)

26 A B C D E F G H I J SMPS (Side A) SMPS (Side B) MAIN () BN9 MAIN () BN9 k-ohms 0 W MAIN () BN9 Safety 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. C9 on the SMPS () P.C.B. is dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there. Before starting any repair work, perform discharge by connecting a discharge resistor (k-ohms/0 W) between terminals of the capacitor. The time required for discharging is about 0 seconds. After the repair work, also perform discharge in the same manner.

27 A B C D E F G H I J SCHEMATIC DIAGRAMS MAIN / Note) The electrical parts available as servicing parts are those in the replacement parts list only. When replacement of any electrical part other than those in the list is necessary, replace the P.C.B. assembly which includes that part. ipod ipod IN Page 8 B to MAIN ()_CN MAIN (0) Page 8 B to MAIN ()_CN8 MAIN () U, A, J models MAIN () MAIN (8) Page 8 J to MAIN ()_BN8 MAIN () SPEAKER OUT SPEAKERS L ASS'Y Page 8 J to MAIN ()_BN8 Page 8 B to MAIN ()_CN USB IN MAIN (9) USB SPEAKERS R ASS'Y MAIN () XM U model MAIN () Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. Schematic diagram is subject to change without notice. s B model MAIN () Page 8 F to MAIN ()_CN

28 A B C D E F G H I J MAIN / MAIN () PHONES PORTABLE IN SPEAKER OUT Page G to MAIN (8)_CN8 PORTABLE Page I to MAIN (9)_CN8 ANALOG IN Page H to SMPS_CN9 to AM/FM TUNER MODULE MIX IN Page 0 I to MAIN ()_CN9 ipod IN Page G to MAIN ()_BN8 AD IN Page 9 B to MAIN ()_BN MICROPROCESSOR Page E to MAIN ()_BN (U, A, J models) Page 0 I to MAIN ()_CN98 Page I to MAIN ()_BN (R, B, G models) CD/USB IN BAT: 0HAH (B, G models) USB IN CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. Page 9 G to MAIN ()_BN Page H Page 9 E to MAIN ()_BN to MAIN ()_BN (B model) Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. Schematic diagram is subject to change without notice. s 8

29 A B C D E F G H I J MAIN / Page 8 E to MAIN ()_CN USB IN to CD MECHANISM UNIT to CD MECHANISM UNIT Page 8 J to MAIN ()_CN to CD MECHANISM UNIT CD IN Page 8 C to MAIN ()_CN CD/USB IN MAIN () (Writing port) Page 8 C to MAIN ()_CN Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. Schematic diagram is subject to change without notice. s 9

30 A B C D E F G H I J MAIN / MAIN () Page B Page D to SMPS_CN9 to SMPS_CN9 AC IN Page 8 J to MAIN ()_PW- Page 8 J to MAIN ()_PW-8 0 Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. Schematic diagram is subject to change without notice. s

31 A B C D E F G H I J Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. Schematic diagram is subject to change without notice. SMPS s SMPS k-ohms 0 W Page 0 E to MAIN ()_BN9 Page 8 J to MAIN ()_BN9 Page 0 D to MAIN ()_BN9 Safety 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. C9 on the SMPS () P.C.B. is dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there. Before starting any repair work, perform discharge by connecting a discharge resistor (k-ohms/0 W) between terminals of the capacitor. The time required for discharging is about 0 seconds. After the repair work, also perform discharge in the same manner.

32 REPLACEMENT PARTS LIST ELECTRICAL COMPONENT PARTS WARNING Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. s 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.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 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,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.CORE : 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 L.DTCT : LIGHT DETECTING MODULE ABBREVIATIONS IN THIS LIST ARE AS FOLLOWS: 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,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 RESISTOR RSNR.CE : CERAMIC RESONATOR RSNR.CRYS : CRYSTAL RESONATOR R.TW.CEM : TWIN CEMENT FIXED RESISTOR R.CEMENT : CEMENT RESISTOR SCR.BND.HD : BIND HEAD B-TIGHT SCREW SCR.BW.HD : BW HEAD TAPPING SCREW SCR.CUP : CUP TIGHT SCREW SCR.TERM : SCREW TERMINAL SCR.TR : SCREW,TRANSISTOR SUPRT.PCB : SUPPORT,P.C.B. SURG.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 THRMST.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 ASS Y TUNER.AM : TUNER PACK,AM TUNER.FM : TUNER PACK,FM TUNER.PK : FRONT-ENDTUNER PACK VR : ROTARY POTENTIOMETER VR.MTR : POTENTIOMETER WITH MOTOR VR.SW : POTENTIOMETER WITH ROTARY SW VR.SLIDE : SLIDE POTENTIOMETER VR.TRIM : TRIMMER POTENTIOMETER P.C.B. MAIN Note) The electrical parts available as servicing parts are those in the replacement parts list only. When replacement of any electrical part other than those in the list is necessary, replace the P.C.B. assembly which includes that part. New Parts

33 P.C.B. MAIN and P.C.B. SMPS New Parts

34 A B C D E F G H I J OVERALL ASS Y 0 () 0 (8) () 0 (9) 0 (0) 8 0 () R, B, G models 0 () () 9 - U, A, J models B model () 0 ()

35 s New Parts New Parts

36 A B C D E F G H I J ACCESSORIES B model 0 0 R model s s s s s s s s s s s s s s s s (G) (T) (K) (R) New Parts

37 REMOTE CONTROL SCHEMATIC DIAGRAM KEY No. XX = JP to JP: Not mounted C µf + D MIE-A Q SC0-T R ohm, / W R ohms, /0 W JP JP JP JP JP JP T T T T VDD CARR D0 D D D D D D D IC M8GGP U/W Z N #X.0 V C 0.µF Vss E E XIN XOUT E0 G0 G G G X MHz PANELS Black color U model R model A model B model G model

38 KEY LAYOUT Silver color U model R model A model B model G model J model 8 9 8

39 KEY CODE Key No Key Name U model R model A model B model G model J model STANDBY/ON STANDBY/ON STANDBY/ON STANDBY/ON STANDBY/ON ALARM / ALARM / ALARM / ALARM / ALARM / ON/OFF ON/OFF ON/OFF ON/OFF ON/OFF DIMMER TIME ADJ SLEEP TIMER TONE EQ TIME/INFO PRESET/CH / H DISPLAY TUNE/CAT / Q ENTER W RANDOM G SRCH MODE / REPEAT T Y W / D A / F PORTABLE ipod TUNER CD MUTE + DIMMER TIME ADJ SLEEP TIMER TONE EQ TIME/INFO PRESET / H DISPLAY TUNE / Q ENTER W RANDOM G REPEAT T Y W / D A / F PORTABLE USB TUNER CD MUTE + DIMMER TIME ADJ SLEEP TIMER TONE EQ TIME/INFO PRESET / H DISPLAY TUNE / Q ENTER W RANDOM G REPEAT T Y W / D A / F PORTABLE ipod TUNER CD MUTE + DIMMER TIME ADJ SLEEP TIMER TONE EQ TIME/INFO PRESET / H DISPLAY TUNE / Q ENTER W RANDOM G REPEAT / FUNCTION MODE-PTY SEEK-START T MODE-PTY SEEK-START Y FREQ/TEXT / W / D A / F PORTABLE USB TUNER CD MUTE + DIMMER TIME ADJ SLEEP TIMER TONE EQ TIME/INFO PRESET / H DISPLAY TUNE / Q ENTER W RANDOM G REPEAT MODE-PTY SEEK-START T MODE-PTY SEEK-START Y FREQ/TEXT / W / D A / F PORTABLE USB TUNER CD MUTE + H Q W G T Y W / D A / F Custom Code Data Code 0F A0 BA A F A 0A 8E E 9F C 9E 0 8F 0C DF BC B A 9C F E 9

40