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1、ORDER NO. RRV1912 T - IZK APR. 1998 Printed in Japan PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belg
2、ium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923 PIONEER ELECTRONIC CORPORATION 1998c 1. SAFETY INFORMATION . 2 2. EXPLODED VIEWS AND PARTS LIST. 3 3. SCHEMATIC DIAGRAM . 6 4. PCB CONNECTION DIAGRAM. 14 5. PCB PARTS LIST . 22 6. ADJUSTMENT . 2
3、5 CONTENTS 7. GENERAL INFORMATION . 26 7.1 IC . 26 7.2 DISASSEMBLY . 27 7.3 BLOCK DIAGRAM. 28 8. PANEL FACILITIES AND SPECIFICATIONS . 29 A-307R STEREO AMPLIFIER A-207R THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). PH A P A B APD ec Ene gy MOS AP M P M UPH BA + B + VUM MMAX U BA A
4、PU AP M Type Model Power Requirement A-307RA-207R MYXJ/EWAC220-230V MYXJ/GRAC220-230V MVXJAC220-230V SAMXJAC110V/120-127V/220V/240VWith the voltage selector SDXJAC110V/120-127V/220V/240VWith the voltage selector The voltage can be converted by the following method. The illustration shows the A-307R.
5、 RadioFans.CN 收音机爱 好者资料库 2 A-307R, A-207R 1. 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 repair
6、 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 r
7、efer the repair to a qualified service technician. WARNING Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may cause birth defects or other reproductive harm (California Health when turned to the left, high- frequency t
8、ones are de-emphasized. NOTE: This control does not operate when the DIRECT button is in the on position. 0BASS tone control Use to adjust the low-frequency tone. The center position is the flat (normal) position. When turned to the right, low-frequency tones are emphasized; when turned to the left,
9、 low-frequency tones are de-emphasized. NOTE: This control does not operate when the DIRECT button is in the on position. -SPEAKERS B (ON/OFF) button/indicator Use this button to listen to the speaker system connected to SPEAKERS B terminals. ON: The indicator lights. Sound is heard from the speaker
10、 system. OFF : The indicator goes off. No sound is heard from the speaker system. Set to this position when listening with headphones. =PHONES jack When using headphones, insert the plug into this jack. NOTE: The speakers continue to output sound even when headphones are plugged into this jack. To m
11、ute the sound from the speakers, press the SPEAKERS button to OFF. SPEAKERS A (ON/OFF) button/indicator Use this button to listen to the speaker system connected to SPEAKERS A terminals. ON: The indicator lights. Sound is heard from the speaker system. OFF : The indicator goes off. No sound is heard
12、 from the speaker system. Set to this position when listening with headphones. 32 A-307R, A-207R 1CD POWER button Switches CD player power STANDBY/ON. 2TAPE SELECT button Selects the cassette No. (1 to 6) for multi-cassette changer. 3DECK II button To operate Deck II, press this button before pressi
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