JVC-THC30-ddts-sm 维修电路原理图.pdf
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1、SERVICE MANUALCOPYRIGHT 2006 Victor Company of Japan, LimitedNo.MB5062006/3DVD DIGITAL THEATER SYSTEMMB50620063TH-C30J,TH-C30C,TH-C20J,TH-C20CLead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)TABLE OF CONTENTS1PRECAUTION. . . . . . . . . . . . . . . . . . . . .
2、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-42SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-73DISASSEMBLY . . . . . . . . . . . . . . . . . . . .
3、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-84ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-295TROUBLESHOOTING . . . . . . . . . .
4、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33XV-THC30SP-PWC30SP-THC40FSP-THC40CSP-THC40SXV-THC20SP-PWC20SP-THC20FSP-THC20CSP-THC20SRadioFans.CN 收音机爱 好者资料库1-2 (No.MB506)SPECIFICATIONCenter unit (XV-THC30/XV-THC20)*1: This value is
5、measured at System cord CONNECTOR for reference.*2: Corresponding to Linear PCM, Dolby Digital, and DTS Digital Surround (with sampling frequency -32 kHz, 44.1 kHz, 48 kHz)Subwoofer (SP-PWC30)Subwoofer (SP-PWC20)Audio sectionTotal Harmonic Distortion *10.02%Digital input *2DIGITAL IN (DBS) (OPTICAL)
6、 : -21 dBm to -15 dBm (660 nm 30 nm)Video sectionVideo SystemNTSCHorizontal Resolution500 linesSignal-to-Noise Ratio64 dBVideo output levelComposite : 1.0 V(p-p)/75 S-video-Y : 1.0 V(p-p)/75 S-video-C : 0.286 V(p-p)/75 Component-Y : 1.0 V(p-p)/75 Component-PB/PR : 0.7 V(p-p)/75 Video input sensitivi
7、ty/Impedance (VCR IN)Composite : 1.0 V(p-p)/75 S-video-Y : 1.0 V(p-p)/75 S-video-C : 0.286 V(p-p)/75 USB storageUSB specificationCompatible with the USB 2.0 Full-SpeedCompatible deviceMass Storage ClassCompatible file systemFAT16, FAT32Bus power supplyMax. 500 mATuner sectionTuning RangeFM : 87.5 MH
8、z to 108.0 MHzAM : 530 kHz to 1 710 kHzGeneralPower RequirementsAC 120 V , 60 HzPower Consumption25 W (at operation)0.6 W (in standby mode)Dimensions (W H D)400 mm 85 mm 316 mm (15-3/4 inches 3-3/8 inches 12-1/2 inches)Mass3.8 kg (8.4 lbs)Amplifier sectionFront/Center/Surround167 W per channel, RMS
9、at 3 at 1 kHz, with 10 % total harmonic distortion.Subwoofer167 W, RMS at 3 at 100 Hz, with 10 % total harmonic distortion.Speaker sectionSpeaker unit16 cm (6-5/16 inches) Bass-reflexPower Handling Capacity170 WImpedance3 Frequency Range30 Hz to 200 HzSound Pressure Level73 dB/WmGeneralPower Require
10、mentsAC 120 V , 60 HzPower Consumption160 W (at operation)0 W (in standby mode)Dimensions (W H D)170 mm 411 mm 458 mm (6-3/4 inches 16-3/16 inches 18-1/16 inches)Mass11.5 kg (25.4 lbs)Amplifier sectionFront/Center/Surround135 W per channel, RMS at 4 at 1 kHz, with 10 % total harmonic distortion.Subw
11、oofer135 W, RMS at 4 at 100 Hz, with 10 % total harmonic distortion.Speaker sectionSpeaker unit16 cm (6-5/16 inches) Bass-reflexPower Handling Capacity140 WImpedance4 Frequency Range30 Hz to 200 HzSound Pressure Level74 dB/WmGeneralPower RequirementsAC 120 V , 60 HzPower Consumption135 W (at operati
12、on)0 W (in standby mode)Dimensions (W H D)170 mm 411 mm 458 mm (6-3/4 inches 16-3/16 inches 18-1/16 inches)Mass11.5 kg (25.4 lbs)RadioFans.CN 收音机爱 好者资料库(No.MB506)1-3Satellite Speakers - SP-XTHC30Satellite Speakers - SP-XTHC20Designs & specifications are subject to change without notice.Front speaker
13、s(SP-THC40F)Type2-way 2-speaker Bass reflex type (Magnetically shielded Type)Speaker8.0 cm (3-3/16 inches) cone 11.5 cm (5/8 inches) dome 1Power Handling Capacity170 WImpedance3 Frequency Range80 Hz to 20 000 HzSound Pressure Level77 dB/WmDimensions (W H D)104.5 mm 139 mm 101 mm (4-1/8 inches 5-1/2
14、inches 4 inches)Mass0.56 kg (1.3 lbs) eachCenter speaker(SP-THC40C)Type2-way 2-speaker Bass reflex type (Magnetically shielded Type)Speaker8.0 cm (3-3/16 inches) cone 11.5 cm (5/8 inches) dome 1Power Handling Capacity170 WImpedance3 Frequency Range80 Hz to 20 000 HzSound Pressure Level77 dB/WmDimens
15、ions (W H D)137 mm 105 mm 104.5 mm (5-7/16 inches 4-3/16 inches 4-1/8 inches)Mass0.57 kg (1.3 lbs)Surround speakers(SP-THC40S)Type1-way Bass reflex typeSpeaker8.0 cm (3-3/16 inches) cone 1Power Handling Capacity170 WImpedance3 Frequency Range80 Hz to 20 000 HzSound Pressure Level70 dB/WmDimensions (
16、W H D)111.5 mm 148 mm 106.5 mm (4-7/16 inches 5-7/8 inches 4-1/4 inches)Mass0.56 kg (1.3 lbs) eachFront speakers(SP-THC20F)Type1-way Bass reflex type (Magnetically shielded Type)Speaker8.0 cm (3-3/16 inches) cone 1Power Handling Capacity140 WImpedance4 Frequency Range90 Hz to 20 000 HzSound Pressure
17、 Level78 dB/WmDimensions (W H D)106 mm 119.5 mm 102 mm (4-3/16 inches 4-3/4 inches 4-1/16 inches)Mass0.55 kg (1.3 lbs) eachCenter speaker(SP-THC20C)Type1-way Bass reflex type (Magnetically shielded Type)Speaker8.0 cm (3-3/16 inches) cone 1Power Handling Capacity140 WImpedance4 Frequency Range90 Hz t
18、o 20 000 HzSound Pressure Level78 dB/WmDimensions (W H D)106 mm 119.5 mm 102 mm (4-3/16 inches 4-3/4 inches 4-1/16 inches)Mass0.55 kg (1.3 lbs)Surround speakers(SP-THC20S)Type1-way Bass reflex typeSpeaker8.0 cm (3-3/16 inches) cone 1Power Handling Capacity140 WImpedance4 Frequency Range90 Hz to 20 0
19、00 HzSound Pressure Level76 dB/WmDimensions (W H D)106 mm 119.5 mm 102 mm (4-3/16 inches 4-3/4 inches 4-1/16 inches)Mass0.63 kg (1.4 lbs) each1-4 (No.MB506)SECTION 1PRECAUTION1.1Safety Precautions(1) This design of this product contains special hardware andmany circuits and components specially for
20、safety purpos-es. For continued protection, no changes should be madeto the original design unless authorized in writing by themanufacturer. Replacement parts must be identical tothose used in the original circuits. Services should be per-formed by qualified personnel only.(2) Alterations of the des
21、ign or circuitry of the product shouldnot be made. Any design alterations of the product shouldnot be made. Any design alterations or additions will voidthe manufacturers warranty and will further relieve themanufacture of responsibility for personal injury or propertydamage resulting therefrom.(3)
22、Many electrical and mechanical parts in the products havespecial safety-related characteristics. These characteris-tics are often not evident from visual inspection nor can theprotection afforded by them necessarily be obtained by us-ing replacement components rated for higher voltage, watt-age, etc
23、. Replacement parts which have these specialsafety characteristics are identified in the Parts List of Ser-vice Manual. Electrical components having such featuresare identified by shading on the schematics and by ( ) onthe Parts List in the Service Manual. The use of a substitutereplacement which do
24、es not have the same safety charac-teristics as the recommended replacement parts shown inthe Parts List of Service Manual may create shock, fire, orother hazards.(4) The leads in the products are routed and dressed with ties,clamps, tubings, barriers and the like to be separated fromlive parts, hig
25、h temperature parts, moving parts and/orsharp edges for the prevention of electric shock and firehazard. When service is required, the original lead routingand dress should be observed, and it should be confirmedthat they have been returned to normal, after reassem-bling.(5) Leakage shock hazard tes
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