Pioneer-XVEV700-cs-sm 电路图 维修手册.pdf
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1、 ORDER NO. PHONESSUBMAIN MIC VOL MS+/FF MUSIC TIMER DVD/CD TAPE LINE TUNER VOLUME STANDBY/ON MOVIE FRONT SURROUND SOUND MODE KARAOKE ENTER REVERSE MODE REC/STOP ASES PUSH OPEN +-TUNING ? ? MS-/REW MIC MINMAX ? XV-EV1000 RRV3189 STEREO DVD CASETTE DECK RECEIVER XV-EV700 tu2522 086-5306051 RadioFans.C
2、N 收音机爱 好者资料库 XV-EV1000 2 1234 1234 C D F A B E SAFETY INFORMATION This service manual is intended for qualified service technicians ; it is not meant for the casual do- it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repa
3、ir complex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and
4、refer the repair to a qualified service technician. WARNING ! THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. A SPECIALLY INSTRUCTED PERSON SHOULD DO SERVICING OPERATION OF TH
5、E APPARATUS. LASER DIODE CHARACTERISTICS FOR DVD : MAXIMUM OUTPUT POWER : 5 mW WAVELENGTH : 650 nm FOR CD :MAXIMUM OUTPUT POWER : 7 mW WAVELENGTH : 780 nm Additional Laser Caution Printing on Rear Panel 1. Laser Interlock Mechanism Loading switch (S101 on the LOAB Assy) is used for interlock mechani
6、sm of the laser. When this switch turned ON in SW2 (CLOSE) side (OPEN signal is 0V and CLOSE signal is 3.5V), a laser becomes the status which can completely oscillation. Furthermore, the laser completely oscillates in the disc judgment and disc playback. When player is power ON state and laser diod
7、e is not completely oscillating, 780nm laser diode is always oscillating by half power. Laser diode is driving with Q307 (650nm LD) and Q308 (780nm LD) on the DVDM Assy. Therefore, when short-circuit between the emitter and collector of these transistors or the base voltage is supplied for transisto
8、rs turn on, the laser oscillates. (failure mode) In the test mode , there is the mode that the laser oscillates except for the disc judgment and playback. LD ON mode in the test mode oscillates with the laser forcibly. The interlock mechanism mentioned above becomes invalid in this mode. 2. When the
9、 cover is open, close viewing through the objective lens with the naked eye will cause exposure to the laser beam. LABEL CHECK : Refer to page 96. VRW1872 RadioFans.CN 收音机爱 好者资料库 XV-EV1000 3 5678 56 7 8 C D F A B E Important Check Points for Good Servicing In this manual, procedures that must be per
10、formed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described
11、in this manual. 1 Use specified parts for repair. Use genuine parts. Be sure to use important parts for safety. 2 Do not perform modifications without proper instructions. Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as
12、radio/TV interference and foreign noise. 3 Make sure the soldering of repaired locations is properly performed. When you solder while repairing, please be sure that there are no cold solder and other debris. Soldering should be finished with the proper quantity. (Refer to the example) 4 Make sure th
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