Pioneer-SC97-avr-sm电路图 维修手册.pdf

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1、ORDER NO. 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 Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra

2、Road, #04-01, Singapore 159936 Onkyo 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 repairs can advers

3、ely 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 3SC-99 5678 5678 A B

4、 C D E F CONTENTS SAFETY INFORMATION.2 1. SERVICE PRECAUTIONS.4 1.1 NOTES ON SOLDERING.4 1.2 NOTES ON REPLACING .4 1.3 CAUTION.4 1.4 NOTES ON ASSEMBLING.5 2. SPECIFICATIONS.6 2.1 SC-99, SC-97 SPECIFICATIONS.6 2.2 SC-LX89, SC-LX79 SPECIFICATIONS.8 3. BASIC ITEMS FOR SERVICE .10 3.1 CHECK POINTS AFTER

5、 SERVICING .10 3.2 PCB LOCATIONS.11 3.3 JIGS LIST.14 4. BLOCK DIAGRAM .15 4.1 OVERALL WIRING DIAGRAM .15 4.2 BLOCK DIAGRAM FOR AUDIO BLOCK.16 4.3 BLOCK DIAGRAM FOR DIGITAL MAIN VIDEO BLOCK .17 4.4 BLOCK DIAGRAM FOR DIGITAL MAIN AUDIO BLOCK .18 4.5 BLOCK DIAGRAM FOR VIDEO BLOCK.19 4.6 BLOCK DIAGRAM F

6、OR POWER BLOCK (1) .20 4.7 BLOCK DIAGRAM FOR POWER BLOCK (2) .21 5. DIAGNOSIS .22 5.1 DIAGNOSIS FLOWCHART .22 5.2 CIRCUIT DESCRIPTION.33 5.3 CONFIRMATION OF THE NETWORK MODULE.42 6. SERVICE MODE.44 7. DISASSEMBLY .47 8. EACH SETTING AND ADJUSTMENT.68 8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED

7、 OR REPLACED.68 8.2 HOW TO SAVE AND LOAD THE SETTING USING BACKUP FUNCTION WITH USB MEMORY.69 8.3 REGION WRITING.70 8.4 HOW TO UPDATE FIRMWARE.71 9. EXPLODED VIEWS AND PARTS LIST.74 9.1 PACKING SECTION.74 9.2 EXTERIOR SECTION .76 9.3 REAR SECTION.78 9.4 CHASSIS SECTION.80 9.5 FRONT SECTION .82 10. P

8、CB PARTS LIST.84 RadioFans.CN 收音机爱 好者资料库 4SC-99 1234 A B C D E F 1234 1. SERVICE PRECAUTIONS 1.1 NOTES ON SOLDERING 1.2 NOTES ON REPLACING 1.3 CAUTION 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 sold

9、ering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering. Do NOT use a soldering iron whose tip temperature cannot be controlled. The part listed below is difficult to replace as a discrete component part. When the part listed in the ta

10、ble is defective, replace whole Assy. ASSY NAME PCB ASSY Part No. Ref No. FUNCTION Part No. Remarks IC451 3CH SW POWER SUPPLY IC TPS65251RHA-TLB IC with heat-pad IC1204 VIDEO PROCESSOR IC 88DE2750-K IC1212 DDR IC K4T51163QJ-BCE7-K IC BGA type IC1602 HDMI INTERFACE IC MN864787-K IC1609 HDMI INTERFACE

11、 IC MN864788-K IC9002 DSP ICCS49844A-K IC with heat-pad IC9206 APPLE AUTHENTICATION IC H337S3959-TBB IC9602 HDMI SW ICSII9589CTUC-3-K MM3543BH-TBB IC9403 IC9514 IC9515 POWER SUPPLY IC MIC94325YMT-TBB IC9523 IC9703 DSP ICD808K013DPTP456-K IC with heat-pad JA1601 JA1602 JA1603 HDMI Connector AKP7268-A

12、-K JACK with Cu-through-hole & SMD type JA9202 LAN Connector AKN7115-A JACK with Cu-through-hole & 10 pin JA9601 JA9602 JA9603 JA9604 JA9605 JA9606 JA9607 DIGITAL MAIN ASSY AWX2013 (SC-99) AWX2017 (SC-97) AWX2014 (SC-LX89) AWX2018 (SC-LX79) JA9620 HDMI Connector AKP7268-A-KJACK with Cu-through-hole

13、& SMD type Q4101 Q4102 Q4201 Q4202 Q4301 Q4302 Q4401 Q4402 Q4501 Q4502 Q4601 Q4602 Q4701 Q4702 Q4801 Q4802 Q4901 D AMP ASSY AWH7104 (SC-99) AWH7108 (SC-97) AWH7105 (SC-LX89) AWH7109 (SC-LX79) Q4902 FET IRF6775MPBFS1-TRB Pins are under the parts side. DISPLAY ASSY AWX2026 (SC-99,SC-97) AWX2027 (SC-LX

14、89, SC-LX79) IC6001 FLASH BLANK UC IC R5F100MHAFA-K Software is not written. Discharging Before starting the diagnosis, wait for three minutes until the electricity of the unit is discharged. Ground Points Please refer to “Ground Points”. 5SC-99 5678 5678 A B C D E F 1.4 NOTES ON ASSEMBLING D AMP AS

15、SY Rear Panel IR BUFFER_M ASSY Accessory of Panel Base IR Cover 85 (MTL) BUFFER GND_M ASSY BIND DM CABLE_M ASSY Note : The right and left positions for the attachment positioning of digital amplifier block are gradual, however, adjust the front and back positions correctly. For the positioning proce

16、dure, refer to 7. DISASSEMBLY. When assembling the digital amplifier block, please note the following points of screws to prevent from short-circuit. The following 7 points of screws must always be used AMZ30P060FTC Points to be watched for swarf If a screw at any of these points needs to be removed

17、 for service, be sure to check that the swarf is not on the screw before refastening. 6SC-99 1234 A B C D E F 1234 2. SPECIFICATIONS 2.1 SC-99, SC-97 SPECIFICATIONS Amplifier section Continuous average power output* 8 . 140 W* per channel 6 . 200 W (SC-99)* / 190 W (SC-97)* per channel * Measured pu

18、rsuant to the Federal Trade Commissions Trade Regulation rule on Power Output Claims for Amplifiers * 1 kHz with no more than 0.08 %* total harmonic distortion * 1 kHz with no more than 1 %* total harmonic distortion * Measured by Audio Spectrum Analyzer Multi channel simultaneous power output (1 kH

19、z, 1 %, 8 ) 9 ch total.850 W (SC-99)/810 W (SC-97) Continuous Power Output (1 kHz, 8 , 0.08 %) Front.140 W + 140 W Center. 140 W Surround .140 W + 140 W Surround back.140 W + 140 W Top middle/Extra 1.140 W + 140 W Continuous Power Output (1 kHz, 6 , 1.0 %) Front. 200 W + 200 W (SC-99)/190 W + 190 W

20、(SC-97) Center. 200 W (SC-99)/190 W (SC-97) Surround . 200 W + 200 W (SC-99)/190 W + 190 W (SC-97) Surround back. 200 W + 200 W (SC-99)/190 W + 190 W (SC-97) Top middle/Extra 1. 200 W + 200 W (SC-99)/190 W + 190 W (SC-97) Continuous Power Output (1 kHz, 4 , 1.0 %) Front. 255 W + 255 W (SC-99)/240 W

21、+ 240 W (SC-97) Center. 255 W (SC-99)/240 W (SC-97) Surround . 255 W + 255 W (SC-99)/240 W + 240 W (SC-97) Surround back. 255 W + 255 W (SC-99)/240 W + 240 W (SC-97) Top middle/Extra 1. 255 W + 255 W (SC-99)/240 W + 240 W (SC-97) Total harmonic distortion. 0.04 % (1 kHz, 130 W + 130 W, 8 ) Guarantee

22、d speaker impedance. 4 to 16 Audio Section Input (Sensitivity/Impedance) PHONO MM. 5 mV/47 k LINE. 400 mV/47 k Output (Level/Impedance) REC. 400 mV/2.2 k Signal-to-Noise Ratio (IHF, short circuited, A network) LINE.103 dB Tuner Section Frequency Range (FM).87.5 MHz to 108 MHz Antenna Input (FM). 75 unbalanced Frequency Range (AM) . 530 kHz to 1 700 kHz Antenna (AM). Loop antenna (balanced) Video Section Signal level Composite Video.