Alto-X34-xo-sm 电路图 维修手册.pdf

Service Manual Version: 1.1 Model: X34SW (3-WAY STEREO PLUS SUBWOOFER ) ACTIVE CROSSOVER RadioFans.CN 收音机爱 好者资料库 CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagram 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. Notes RadioFans.CN 收音机爱 好者资料库 Electrical Subwoofer Frequency Range Low - Mid Frequency Range Mid - High Frequency Range THD S/N Ratio 50Hz 250Hz 70Hz 1KHz 480Hz 7KHz 80dB Controls Input Level Output level Low Cut Phase continuously variable Sub,Low,Mid,High continuously variable Front panel switches Front panel switches Power supply Connector type3-pole IEC , grounded Servo controlled , stabilized 8W Type Mains supply Power Rating Physical Dimensions483(W)194.5(D)44(H)mm(197.71.7) Weight3.0 kg(6.62lb) 95-120V/210-240V,60-50Hz 1. SPECIFICATION (X34SW) RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:2-Nov-2002 Sheet of File:D:pc42pc42ALTOX34SWX34SW BLOCK DIGRAM.DDBDrawn By: AC 100mA FUSE 56 AC POWER SW AC INPUT 210V-240V AC PLUG50Hz 102 PT-SCX-34 230V 0V 115V 20V 0V 20V BRIDGE AND FILTER CIRCUIT +15V 0v -15v 2 1 3 A -CHANNEL SIGNAL CN-BAL-FEMALE-2 3 2 1 A TL074 VR gain middle - high pass 480Hz - +7KHz high pass freq. 3 2 1 A TL074 high out MID pass MID out VR gain VR gain MID out pass filter over freq. 70Hz +1KHz Low -MID pass filter over freq. 50Hz +250Hz SUB-Low SUB - LOW pass filter 3 2 1 A TL074 VR gain lower filter pass 3 2 1 A TL074 VR gain LOW OUT 2 1 3 B-CHANNEL SIGNAL CN-BAL-FEMALE-2 3 2 1 A TL074 VR gain middle - high pass 480Hz - +7KHz high pass freq. 3 2 1 A TL074 high out MID pass MID out VR gain VR gain MID out pass filter over freq. 70Hz +1KHz Low -MID pass filter over freq. 50Hz +250Hz SUB-Low SUB - LOW pass filter 3 2 1 A TL074 VR gain lower filter pass 3 2 1 A TL074 VR gain LOW OUT 2.Block Diagram 12345678 A B C D 87654321 D C B A X34SW(M).Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 23-Feb-2002 TASY J.S. ALTO Mobile : X34SW MAIN BOARD 11of X34SWV1.0A4 AGND 3 2 1 U1A TL074 10 9 8 U1C TL074 5 6 7 U2B TL074 10 9 8 U2C TL074 R2 100K R1 100K R3 100K R10 180K R16 10K R9 4K7 C6 330P R17 22K R15 6K8 C5 682(M) C4 682(M) C3 682(M) R32 10K VR3 100KB 2 1 3 X1 C7 47P VR1B 100KC R18 10K R22 10K 411 U1E TL074 -15V C9 10uF C8 10uF R23 10K R26 220R R27 220R R25 100K R24 100K VR1A 100KC R7 4K7 R8 180K 1 2 3 CN3 3P2.5 C1 10uF C2 10uF R4 100K 5 6 7 U1B TL074 12 13 14 U1D TL074 R11 10K R6 10K R5 10K R28 10K R30 10K R29 10K R12 10K 3 2 1 U2A TL074 3 2 1 U3A TL074 R31 10K R13 10K VR4 100KB VR5 100KB SW1 SW-PBA/2P-BIG R20 10K R21 10K R19 10K 5 6 7 U3B TL074 10 9 8 U3C TL074 R35 10K C10 330P R36 22K R34 6K8 2 1 3 X2 C11 47P R37 10K R41 10K C12 10uF C13 10uF R42 10K R45 220R R46 220R R44 100K R43 100K SW2 SW-PBA/2P-BIG R39 10K R40 10K R38 10K 3 2 1 U4A TL074 R50 330K R49 5K6 C16 393(M) C15 393(M) C14 393(M) VR2B 100KC VR2A 100KC R47 5K6 R48 330K 5 6 7 U4B TL074 10 9 8 U4C TL074 R53 10K C17 330P R54 22K R52 6K8 2 1 3 X3 C18 47P R57 10K C21 10uF C22 10uF R58 10K R61 220R R62 220R R60 100K R59 100K 1 3 4 5 6 2 SW3 SW-PBA/2P-BIG R55 47K R56 100K 12 13 14 U2D TL074 12 13 14 U3D TL074 C19 683(M) C20 683(M) 12 13 14 U4D TL074 411 U2E TL074 411 U3E TL074 +15V 411 U4E TL074 2 1 3 X4 CH1(CH2) 3. Schematic Diagram 1234 A B C D 4321 D C B A X34(SUB).Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 27-Jan-2002 TASY J.S. ALTO Mobile : X34SW SUB WOOFER BOARD 11of X34SWV1.0A4 1 2 3 J101 3P2.5 AGND 3 2 1 U9A TL074 5 6 7 U9B TL074 10 9 8 U9C TL074 12 13 14 U9D TL074 R65 10K0 R63 10K0 R64 10K0 R69 300K R72 10K 1 3 4 5 6 2 SW4 SW-PBA/2P-BIG R68 19K1 C26 330P R73 22K R71 6K8 C25 473(M) C28 683M) C24 473(M) C23 473(M) VR7 100KA 2 1 3 X5 C27 47P VR6B 100KC CH1CH2 C29 683M) R74 47K R75 100K R76 10K +15V -15V 411 U9E TL074 C30 10uF C31 10uF R77 10K R80 220R R81 220R R79 100K R78 100K 5 6 7 U10B BA1458 84 U10C BA1458 VR6A 100KC R66 19K1 R67 300K 1 2 3 J102 3P2.5 C32 47P 1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:27-Jan-2002Sheet of File:D:pc42pc42pc42S-OVERSCX202SSCX202SSCX202S.ddbDrawn By: SCX POWER Schematic系系 DB1 RB154 C5 104P C4 104P IC1 L7815 IC2 L7915 C6 1000/16V C7 1000/16V C8 104P C9 104P 1 2 3 CN2 3P2.5 +15V -15V 1 2 CN5 2P2.5 R1 1.2K +15V -15V 1 2 3 CN3 3P2.5 C18 1000/35V C19 1000/35V 1 2 3 CN? CON3 X34SW(M) PCB LAYOUT PCB : X34SW(M) Top Overlay PCB : X34SW(M) Bottom Layer PCB : X34SW(M) Bottom Solder Mask PCB : X34SW(M) Bottom Overlay PCB : X34SW(M) Drill Drawing Plots Hole Size Hole Count 31mil (0.8mm) 254 39mil (1.0mm) 36 47mil (1.2mm) 24 59mil (1.5mm) 1 63mil (1.6mm) 1 87mil (2.2mm) 10 138mil (3.5mm) 4 Totals 330 203S(PU) PCB LAYOUT PCB : 203S(PU) Bottom Layer PCB : 203S(PU) Bottom Solder Mask PCB : 203S(PU) Bottom OverLayer PCB : 203S(PU) Top Overlay PCB : 203S(PU) Drill Drawing Plots Hole Size Hole Count 39mil (1.0mm) 13 47mil (1.2mm) 4 55mil (1.4mm) 3 63mil (1.6mm) 12 110mil (1.8mm) 1 Totals 33 X34SW(SUB) PCB LAYOUT PCB : X34SW(SUB) Bottom Layer PCB : X34SW(SUB) Bottom Solder Mask PCB : X34SW(SUB) Bottom Overlay PCB : X34SW(SUB) Top Overlay PCB : X34SW(SUB) Drill Drawing Plots Hole Size Hole Count 31mil (0.8mm) 82 39mil (1.0mm) 19 47mil (1.2mm) 10 87mil (2.2mm) 4 138mil (3.5mm) 4 Totals 119 XPWR PCB LAYOUT PCB : XPWR Bottom Layer PCB : XPWR Bottom Solder Mask PCB : XPWR Bottom Overlay PCB : XPWR Top Overlay PCB : XPWR Drill Drawing Plots Hole Size Hole Count 31mil (0.8mm) 14 39mil (1.0mm) 22 63mil (1.6mm) 3 98mil (2.5mm) 4 138mil (3.5mm) 4 Totals 90 1234 A B C D 4321 D C B A X34SW().Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 6-Nov-2002 TASY J.S. ALTO Mobile : X34SW Wiring Diagram 11of X34SWV2.0A4 X34SW Wiring Diagram 203S(PU) X34SW(M) CN1 CN5CN3 X34SW(SUB) CN1 CN3 CN2 CN3CN2203S(PU) CN1 CN2 CN4 X34SW(M) CN5 CN3 CN4 GND XPWR LED GND CN2CN3 CN4 PT-SCX34 CN1 CH2CH1 CH1(CH2)CH1(CH2) AC IN 5. Wiring Diagram X34SW-ALTO-230V Structure Needing Material Detail List Midprod NONO.QuanityUnit 7. 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Exploded Views