Alto-X23SW-xo-sm 电路图 维修手册.pdf

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1、Service Manual Version: 1.1 Model: X23SW (2-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 L

2、ist 9. Notes RadioFans.CN 收音机爱 好者资料库 483(W)194.5(D)44(H)mm (197.71.7) 2.95 Kg(6.50lb) Electrical 50Hz 250Hz 250Hz 6KHz 95dB Controls Continuouliy variable Sub, Low. High continuously variable Front panel switches Front panel switches Power Supply 3-pole IEC , grounded Servo controlled, stabilized 6W

3、 Physical Weight Subwoofer Frequency Range Low - High Frequency Range THD S/N Ratio Input Level Output Level Low Cut Phase Connector type Type Mains supply Power Rating Dimensions 95-120V/210-240V,60-50Hz 1. SPECIFICATION (X23SW) RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevision

4、Size A4 Date:2-Nov-2002 Sheet of File:D:pc42pc42ALTOX23SWX23SW BLOCK DIGRAME .DDBDrawn By: 100mA FUSE 56 AC POWER SW AC INPUT 210V-240V AC PLUG 50Hz 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 LOW-HIGH pas

5、s 900Hz - +9KHz high pass freq. 3 2 1 A TL074 high out VR gain pass filter over freq. 100Hz +1KHz 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 LOW-HIGH pass 900Hz - +9KHz high pass fre

6、q. 3 2 1 A TL074 high out VR gain pass filter over freq. 100Hz +1KHz 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 1234 A B C D 4321 D C B A X23(M).Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 27-Jan-2002 TASY J.S.

7、 ALTO Mobile : X23SW MAIN BOARD 11of X23SWV1.0A4 1 2 3 CN3 3P2.5 3 2 1 U1A TL074 5 6 7 U1B TL074 10 9 8 U1C TL074 R4 100K R1 100K R2 100K R8 620K R12 10K R7 3K74 C6 330P R13 22K R11 6K8 C5 103(M) C4 103(M) C3 103(M) VR2 100KB 2 1 3 X1 C7 47P VR1B 100KB 411 U1E TL074 -15V C9 10uF C8 10uF R18 220R R17

8、 100K R16 100K VR1A 100KB R5 3K74 R6 620K C2 10uF C1 10uF R3 100K 3 2 1 U2A TL074 R9 10K R21 10K R20 10K 5 6 7 U2B TL074 R22 10K VR3 100KB SW1 30HZ CUT R15 100K 10 9 8 U2C TL074 12 13 14 U2D TL074 R25 10K C10 330P R26 22K R24 6K8 C11 47P R27 10K C12 10uF R32 220R R31 100K SW2 INV R28 10K R29 10K R30

9、 10K R14 47K 12 13 14 U1D TL074 C19 683(M) C20 683(M) 411 U2E TL074 +15V R19 10K 3c 5e 1a 4d 2b X4 LOW OUT 3c 5e 1a 4d 2b X5 HI OUT 3c 5e 1a 4d 2b X2 INPUT CH1(CH2) 3. Schematic Diagram 1234 A B C D 4321 D C B A X23(SUB).Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 27-Jan-2002 TASY J

10、.S. ALTO Mobile : X23SW SUB WOOFER BOARD 11of X23SWV1.0A4 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 R63 10K0 R64 10K0 R69 330K R72 10K 1 3 4 5 6 2 SW4 SW-6-SK22H13 R68 19K1 R73 22K R71 6K8 C25 473(M) C28 683M) C24 473(M) C23 473(M) VR7 100KB VR6B 100KB

11、 CH1CH2 C29 683M) R74 47K R75 100K +15V -15V 411 U9E TL074 C30 10uF C31 10uF R80 220R R79 100K R78 100K VR6A 100KB R66 19K1 R67 330K 1 2 3 J102 3P2.5 C26 330P C27 47P 3c 5e 1a 4d 2b X5 SUB WOOFER OUT 1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:27-Jan-2002Sheet of File:D:pc42pc42pc42S-

12、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 X23SW(M) PCB LAYOUT PCB : X23SW(M) Top

13、 Overlay PCB : X23SW(M) Bottom Layer PCB : X23SW(M) Bottom Solder Mask PCB : X23SW(M) Bottom Overlay PCB : X23SW(M) Drill Drawing Plots Hole Size Hole Count 31mil (0.8mm) 128 39mil (1.0mm) 21 47mil (1.2mm) 17 63mil (1.6mm) 1 87mil (2.2mm) 6 138mil (3.5mm) 4 Totals 177 CX22OUT PCB LAYOUT PCB : CX22OU

14、T Bottom Layer PCB : CX22OUT Bottom Solder Mask PCB : CX22OUT Top Overlay PCB : CX22OUT Drill Drawing Plots Hole Size Hole Count 39mil (1.0mm) 7 55mil (1.4mm) 3 87mil (2.2mm) 20 110mil (2.8mm) 1 Totals 31 XPWR PCB LAYOUT PCB : XPWR Bottom Layer PCB : XPWR Bottom Solder Mask PCB : XPWR Bottom Overlay

15、 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 X23SW(SUB) PCB LAYOUT PCB : X23SW(SUB) Bottom Layer PCB : X23SW(SUB) Bottom Solder Mask PCB : X23SW(SUB) Bottom Overlay PCB : X23SW

16、(SUB) Top Overlay PCB : X23SW(SUB) Drill Drawing Plots Hole Size Hole Count 31mil (0.8mm) 68 39mil (1.0mm) 18 47mil (1.2mm) 10 87mil (2.2mm) 4 138mil (3.5mm) 4 Totals 104 1234 A B C D 4321 D C B A X23SW().Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 2-Nov-2002 TASY J.S. ALTO Mobile :

17、 X23SW Wiring Diagram 11of X23SWV2.0A4 X23SW Wiring Diagram CX22OUT X23SW(M) CN1 CN2 CN3 X23SW(SUB) CN1 CN3 CN2 X23SW(M) CN2 CN3 CN2CX22OUT CN1 XPWR LED GND CN2CN3 CN4 PT-SCX34 CN1 CH2 CH1 CH1(CH2)CH1(CH2) AC IN GND 5. Wiring Diagram X23SW-ALTO-230V Structure Needing Material Detail List Midprod NON

18、O.QuanityUnit 7. Electrical Parts List Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: M

19、ARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK

20、: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: Item NameSpecificNOMaterial No MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: MARK: 8. Exploded Views