Pioneer-TADM4300-pwr-sm电路图 维修手册.pdf

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1、ORDER NO. TAD-M4300 CRT4592 POWER AMPLIFIER TAD-M4300 TAD-M2500 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). skrameRtnemer iuqeR rewoPepyTledoM V 021 CAU0034M-DAT TAD-M4300YS8AC 220 V to 230 V V 032 ot V 022 CAL0034M-DAT V 021 CAU0052M-DAT TAD-M2500YS8AC 220 V to 230 V V 032 ot V

2、 022 CAL0052M-DAT For details, refer to Important Check Points for good servicing. K-ZZZ DEC. 2010 Printed in Japan PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV

3、 Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2010 RadioFans.CN 收音机爱 好者资料库 2TAD-M4300 1234 A B C D E F 1234 SAFETY INFORMATION 1. SAFETY PRECAUTIONS The following check should be performed

4、for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester such as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts

5、 of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). Plug the AC line cord of the appliance directly into a 120V AC 60 Hz outlet and turn the AC power switch on. Any current measured must not exceed 0.5 mA. ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE

6、 ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. 2. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appliance have special safety related characteristics. These are often not evident from visual inspection nor the pro

7、tection afforded by them necessarily can be obtained by using replacement components rated for voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this Service Manual. Electrical components having such features are identified by marking with a o

8、n the schematics and on the parts list in this Service Manual. The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Produ

9、ct Safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current PIONEER Service Manual. A subscription to, or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER. Leakage curren

10、t tester Reading should not be above 0.5 mA Device under test Test all exposed metal surfaces Also test with plug reversed (Using AC adapter plug as required) Earth ground AC Leakage Test (FOR USA MODEL ONLY) WARNING This product may contain a chemical known to the State of California to cause cance

11、r, or birth defects or other reproductive harm. Health 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 complex products such as those covered by this manual. Improperly performed

12、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 refer the repair to a qualified service technician. RadioFans.CN 收音机爱 好者资料库 3T

13、AD-M4300 5678 5678 A B C D E F Important Check Points for Good Servicing In this manual, procedures that must be performed 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 a

14、nd radiation regulations), and maintain a safe servicing environment by following the safety instructions described 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 follo

15、w the specified safety methods when modification(addition/change of parts) is required due to interferences such as 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 s

16、older and other debris. Soldering should be finished with the proper quantity. (Refer to the example) 4 Make sure the screws are tightly fastened. Please be sure that all screws are fastened, and that there are no loose screws. 5 Make sure each connectors are correctly inserted. Please be sure that

17、all connectors are inserted, and that there are no imperfect insertion. 6 Make sure the wiring cables are set to their original state. Please replace the wiring and cables to the original state after repairs. In addition, be sure that there are no pinched wires, etc. 7 Make sure screws and soldering

18、 scraps do not remain inside the product. Please check that neither solder debris nor screws remain inside the product. 8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord. Damaged power cords may lead to fire accidents, so please be sure that there are

19、no damages. If you find a damaged power cord, please exchange it with a suitable one. 9 There should be no spark traces or similar marks on the power plug. When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure connections and suitable

20、 usage. Please exchange the power cord if necessary. a Safe environment should be secured during servicing. When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries. Please pay attention to your surroundings and repair saf

21、ely. 2. Adjustments To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification. Adjustments should be performed in accordance with the procedures/instructions described in this manual. 4. Cleaning For parts that require cleaning, su

22、ch as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper cleaning should be performed to restore their performances. 3. Lubricants, Glues, and Replacement parts Use grease and adhesives that are equal to the specified substance. Make sure the proper amount is ap

23、plied. 5. Shipping mode and Shipping screws To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual. RadioFans.CN 收音机爱 好者

24、资料库 4TAD-M4300 1234 A B C D E F 1234 CONTENTS SAFETY INFORMATION.2 4. BLOCK DIAGRAM.12 4.1 OVERALL WIRING DIAGRAM (TAD-M4300) .12 5. DIAGNOSIS.18 5.1 TROUBLESHOOTING .18 5.2 CIRCUITE DESCRIPTION .20 4.2 OVERALL WIRING DIAGRAM (TAD-M2500) .14 1. SERVICE PRECAUTIONS . 5 1.1 NOTES ON SOLDERING . 5 2. S

25、PECIFICATIONS . 6 2.1 SPECIFICATIONS . 6 3. BASIC ITEMS FOR SERVICE . 6 3.1 CHECK POINTS AFTER SERVICING . 6 2.2 PANEL FACILITIES . . 7 9. EXPLODED VIEWS AND PARTS LIST.32 6. SERVICE MODE. No data 7. DISASSEMBLY.22 8. EACH SETTING AND ADJUSTMENT. . No data 9.1 PACKING SECTION.32 9.2 EXTERIOR SECTION

26、 (TAD-M4300) .34 9.3 BOTTOM SECTION (TAD-M4300).36 9.4 EXTERIOR SECTION (TAD-M2500) .38 9.5 BOTTOM SECTION (TAD-M2500).40 10. SCHEMATIC DIAGRAM .42 10.1 AUDIO UNIT (INPUT1-2) .42 10.2 AUDIO UNIT (INPUT3-4) .44 10.3 AUDIO UNIT (SP-OUT1-3) .46 10.4 AUDIO UNIT (SP-OUT2-4) .47 10.5 POWER SUPPLY UNIT (RE

27、CTIFICATION, S-SW and P-SW) .48 10.6 POWER SUPPLY UNIT (PRIMARY).50 11. PCB CONNECTION DIAGRAM .52 11.1 AUDIO UNIT (INPUT1-2) .52 11.2 AUDIO UNIT (INPUT3-4) .53 11.3 AUDIO UNIT (SP-OUT1-3) .54 11.4 AUDIO UNIT (SP-OUT2-7) .55 11.5 POWER SUPPLY UNIT (RECTIFICATION).56 11.6 POWER SUPPLY UNIT (S-SW and

28、P-SW) .57 11.7 POWER SUPPLY UNIT (PRIMARY).58 12. PCB PARTS LIST .60 5TAD-M4300 5678 5678 A B C D E F 1. SERVICE PRECAUTIONS 1.1 NOTES ON SOLDERING For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. Be sure to use lead-free solder and a solderi

29、ng iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering. Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 C. Therefore, for lead-free soldering, the tip temperature of a solder

30、ing iron must be set to around 373 C in general, although the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of the soldering iron. Do NOT use a soldering iron whose tip temperature cannot be controlled. Compared with eutectic solder

31、s, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden). The following lead-free solders are available as service parts: Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia. 6TAD-

32、M4300 1234 A B C D E F 1234 2. SPECIFICATIONS 2.1 SPECIFICATIONS 7TAD-M4300 5678 5678 A B C D E F 2.2 PANEL FACILITIES 8TAD-M4300 1234 A B C D E F 1234 9TAD-M4300 5678 5678 A B C D E F 3. BASIC ITEMS FOR SERVICE 3.1 CHECK POINTS AFTER SERVICING Item to be checked regarding audio Distortion Noise Volume too low Volume too high Volume fluctuating S