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Samson XP308I Service Manual

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  • Page 1: Table Of Contents

    SERVICE MANUAL XP308I MODEL NO.: XP308I Contents Specification Block Diagram Packing View Packing View Part List Point To Point Wiring Diagram Exploded View 8-10 Exploded View Part List 11-19 Electrical Part List 20-23 Schematic Diagram 24-28 Printed Circuit Board Diagram...
  • Page 2: Specification

    General Specification MIXER PART NORMAL LIMIT *MAXIMUM VOLTAGE GAIN ;MIC IN TO MONITOR L/R 62±3dBm ;MIC IN TO MONITOR L/R(MIC/LINE WITHIN) 32±3dBm ±3dBm ;MIC IN TO AMP OUT (MIC/LINE WITHIN,LIMITER LED JUST LIGHT) ±3dBm ;MONO LINE IN TO MONITOR L/R ±3dBm ;ST LINE IN TO MONITOR L/R ;MONO MIC IN TO REC OUT...
  • Page 3: Specification

    General Specification NORMAL LIMIT *RESIDUAL NOISE (20KHz LPF , AVG) A) INPUT,OUTPUT LEVEL VR MINIMUM MONITOR OUT LESS THAN -90 dBm ONLY MONITOR VR MAXIMUM MONITOR OUT LESS THAN -70 dBm *CROSSTALK (CH LEVEL VR & MONITOR VR NORMAL,OUTPUT 20dBm , FREQ 1KHz , 80KHz LPF) CH VS CH LESS THAN -67 dB INPUT VS OUTPUT...
  • Page 4: Block Diagram

    Block Diagram...
  • Page 5: Packing View

    Packing View...
  • Page 6: Packing View Part List

    Packing View Part List REF NO. DESCRIPTION PART NO. Q'TY REMARK GIFT BOX 507-XP308I-3054 CUSHION 506-XP308I-541 PE-BAG 505-XPL100-200 I/B ASS’Y 701-XP308I-4503 OUT CARTON 507-XP308I-3084 CUSHION 506-XP308I-562 EPE BAG 509-XP308I-260 HIMILON 612-XP308I-336 EPE SHEET 509-XP308I-261 PE BAG 505-100U-204 6.35∮ SPEAKER CABLE...
  • Page 7: Point To Point Wiring Diagram

    Point To Point Wiring Diagram DC FAN MIXER PCB I'POD INPUT PCB 3& POWER SW OUTPUT PCB AC INPUT JACK 1& POWER&AMP PCB...
  • Page 8: Exploded View

    Exploded View...
  • Page 9: Exploded View Part List

    501-STAGE-2167 PANEL ASS’Y 703-STAGE-1235 CARD CHASSIS 100-XP300-2517 TOP DOCK 100-XP300-2503 IPOD BUTTON 100-XP300-2504 SUPPORT 200-L1200-589 LED HOLDER 504-BD1550-067 AMPLIFIIER CASE ASS’Y 701-XP308I-1243S CONTROL KNOB 100-STAGE-2625 REAR PAD(A) 300-STAGE-1672 REAR BRACKET 300-STAGE-1674 SHAFT 200-SP300-583 WASHER 606-B300-030 REAR PAD(B) 300-STAGE-1673 HANDLE 100-STAGE-2623...
  • Page 10: Exploded View Part List

    Exploded View Part List REF NO. DESCRIPTION PART NO. Q'TY REMARK SAMSON LOGO 501-XP308I-2205 KNOB NECK 100-XP308I-2649 WASHER 606-LC58FA-130 TOOTH WASHER 606-F200-002 601-F200-001 COTTON 509-XP308I-252 612-XP308I-322 612-XPL200-293 612-XP308I-323 SILICONE SHEET 612-XP308I-324 POWER SW 403-DJ1-107A 2P 3.96CON ASS'Y(UL1007#18,RED*2,L=200mm) 404-XPL200-2679 AC INPUT JACK...
  • Page 11 Exploded View Part List REF NO. DESCRIPTION PART NO. Q'TY REMARK SCREW TTB3*10 602-XM610-522 SCREW M2.6*4 602-MK7-134 SCREW M2.6*4 602-B600-086 SCREW M3*14 602-SA12-381 SCREW TTA4*15 602-TTA4015-671 SCREW M4*8 602-SX1200-543 SCREW(STF,3*12) 602-4-560 SCREW(3*10) 602-MK7-131...
  • Page 12: Electrical Part List

    SUPPORT(BRASS) 200-L1200-589 SW1,SW2,SW3,SW4,SW PUSH SW(SPPH2-001-E) 403-XM910-203 5,SW6,SW7,SW8,SW9,S 7P SOCKET(CKM2501WV-7P 180°WHITE) 404-DV300-507A 7P CON ASS'Y(P=2.0mm L=350mm UL1007#26,+/+) 404-XP308I-3145 2P ASS'Y CON (P=2.0mm L=350mm UL1007#26,+/+) 404-XP308I-3163 LD6,LD6H LED (6224-10ID-A,RED ) 410-CD6000-122 LD3H,LD4H,LD5H LED ( YELLOW ) 410-CD6000-123 LD1H,LD2H,LD1A,LD1B, LED ( GREEN )
  • Page 13 R32H,R62H,R63H,R64H,R6 CHIP RESISTOR (1.5K OHM,1/8W, 0805,J,TP,150V ) 412-QMX1-035 5H,R66H,R72H,R70H,R68H R74H CHIP RESISTOR( 5.1K OHM,1/8W, 0805,J,TP,150V) 412-QMX2-188 R15H,R43H CHIP RESISTOR(39K OHM,1/8W,0805,J,TP 150V) 412-QMX2-192 R60H,R1H,R10H CHIP RESISTOR(43K OHM,1/8W,J,TP 0805,150V) 412-SA12-657 R7A,R7B,R7C,R7D,R8A,R8 CHIPRESISTOR(2.4KOHM,1/8W,F,0805,150V,TP) 412-XP308I-1377 B,R8C,R8D R5A,R5B,R5C,R5D,R6A,R6 CHIPRESISTOR(47KOHM,1/8W,F,0805,150V,TP) 412-XP308I-1378 B,R6C,R6D R25A,R25B,R25C,R25D,R2 CHIPRESISTOR(4.7KOHM,1/8W,F,0805,150V,TP) 412-XP308I-1379 6A,R26B,R26C,R26D...
  • Page 14 Mixer PCB Ass'y Part List REF NO. DESCRIPTION PART NO. Q'TY REMARK R9A,R9B,R9C,R9D,R10A,R CHIPRESISTOR(1.8KOHM,1/8W,F,0805,150V,TP) 412-XP308I-1380 10B,R10C,R10D R11A,R11B,R11C,R11D,R1 CHIPRESISTOR(3.9KOHM,1/8W,F,0805,150V,TP) 412-XP308I-1381 2A,R12B,R12C,R12D R13A,R13B,R13C,R13D,R1 4A,R14B,R14C,R14D,R15A, CHIPRESISTOR(220KOHM,1/8W,F,0805,150V,TP) 412-XP308I-1382 R15B,R15C,R15D,R24A,R2 4B,R24C,R24D C34H,C39H CHIP CAPACITOR(47pF/50V,J,0805 TYPE,NPO) 413-AMC110D-5094 C18H,C26H,C7A,C7B,C7C, CHIP CAPACITOR(220pF/50V,J,0805 TYPE,NPO) 413-AMC110D-5104 C7D,C8A,C8B,C8C,C8D CHIP CAPACITOR(22pF/50V,J,0805 TYPE,NPO)
  • Page 15 REMARK IC(TL072C/CD OA2 JFET SO8 SGS) 417-ACE-781 U1,U5,U16,U12,U8,U1B,U1 IC(NJM-4580M-TE2,SOP-8) 417-ST150-599 C,U13,U15,U1D,U3,U11,U7, U6,U4,U14,U19 Voice Echo IC(HT8970 SOP-16 HOLTEK) 417-XP308I-927 R73H FUSE RESISTOR (47 OHM 1/4W J RADIAL TAPING) 412-XM910-873 C15H,C16H 413-3113-047 ELEC. CAPACITOR(1uF/50V,M,105℃,TAPING 5*11,NP)(Cd,Pb,Hg,Cr) ELEC. CAPACITOR(4.7uF/50V,M,105℃,TAPING 5*11) 413-3113-050 C97,C13G,C22G,C43H,C44H C3A,C4A E/C(47uF/16V,M,105℃,TAPING,5*7,SS)(Cd,Pb,Hg,Cr) 413-CDVD2001-265...
  • Page 16 SCHOTTKY BARRIER DIODE(SR306 DO-201AD T-52 TAIWAN SEMI) BRIDGE DIODE(KBJ1006 TS-6P CAMBRIDGE) 414-XP308I-283 L105 BEAD CORE(TB36-863445NP T-26mm) 415-HV3500K-090 L103,L104,L107,L108 INDUCTOR(22uH) 415-SZ480-289 COIL(4.2uH,11*∮7.5mm,XH11-R06011-3R3) 415-XP308I-329 L3,L4 COIL(10.5uH,25.5*107mm,XH11-R06010-100) 415-XP308I-330 LF1,LF2 LINE FILTER(14mH*2 <19.5*11mm>,XH11-L28004-143) 415-XP308I-331 Transistor(KTN2222A NPN TO-92 KEC) 416-XP308I-350 MOSFET(N-CHANNEL AP01L60J TO-251 APEC) 416-XP308I-352...
  • Page 17 Power & Amp PCB Ass'y Part List REF NO. DESCRIPTION PART NO. Q'TY REMARK MOSFET(P-CHANNEL AP9435GJ TO-251 APEC) 416-XP308I-353 PC1,PC2,PC3 IC(PC817C DIP-4) 417-TST4-806 Transition-mode PFC IC(L6562N DIP8 ST) 417-XP308I-929 LOW POWER SMPS IC(VIPER22A DIP8 ST) 417-XP308I-930 FUSE CLIPS(FS-001) 420-KT350A-004 FUSE(3.15A/250V 5*20 UL/CSA)
  • Page 18 CARBON FILM RESISTOR(510K OHM,1/6W,J,T-26) 412-KMD3500-366 RESISTER(3K F 1/6W T-26mm) 412-Q2131-1081 412-XM910-868 CARBON FILM RESISTOR(20K OHM 1/6W,J TAPING 26mm) Resistor(820KΩ 1/6W F T-26) 412-XP308I-1355 Resistor(750KΩ,1/6W,F,T-26) 412-XP308I-1356 Resistor(1.8KΩ,1/6W,F,T-26) 412-XP308I-1359 Precision Resistor(2.75K,1/6W,F,T-26) 412-XP308I-1397 D24,D4,D16,D18 SWITCHING DIODE(1N4148,1/2W,150mA/100V,T-77) 414-2002-002 D101 ZENER DIODE(MTZJ5.6-C,1/2W,T-77) 414-DCM270X-089 ZENER DIODE(1N5254B,1/2W,T=26mm,CAMBRIDGE) 414-XP308I-281...
  • Page 19 REMARK ZENER DIODE(1N5245,1/2W,T=26mm,CAMBRIDGE) 414-XP308I-282 L101,L102,L106 BEAD CORE(TB36-863445NP T-26mm) 415-HV3500K-090 FOR D2 Q3 V3 IC & HEATSINK ASS'Y 704-XP308I-8287 ULTRAFAST DIODE(STTH5L06FP TO-220FPAC ST) 414-XP308I-276 Transistor(N-CHANNEL STP11NM60FP TO-220FP ST) 416-XP308I-351 SMPS IC(KA1M0880B TO-3P-5L FAIRCHILD) 417-XP308I-928 SCREW(TTB3*10) 602-XM610-522 SILICONE SHEET 612-XP308I-324 HEATSINK ASS'Y...
  • Page 20 REF NO. DESCRIPTION PART NO. Q'TY REMARK SPEAKER INPUT PCB ASS'Y 704-XP308I-8347 AN101&AN102 2P 3.96 CON ASS'Y 404-XP308I-3267 SPK INPUT JACK PCB(CEM-1,T=1.6mm 130*97mm) 405-XP308I-2399 C101 CERAMIC CAPACITOR(2200pF/50V,K,TAPING,Y5P) 413-PMSE1-259 TO AN101&AN102 CORE(18mm*6mm*10mm) 415-XP308I-340 JK101 PHONE JACK(JY-6351G*02-250)(Cd,Pb) 420-XM910-178A OUTPUT PCB ASS'Y 704-XP308I-8289 AN3&4...
  • Page 25: Printed Circuit Board Diagram

    IC Block Diagram 417-ACE-781 IC(TL072C/CD OA2 JFET SO8 SGS) 417-XM910-779 IC(KA2284B)
  • Page 26 IC Block Diagram 417-TST4-806 IC(PC817C DIP-4) 417-XP308I-927 Voice Echo IC(HT8970 SOP-16 HOLTEK)
  • Page 27 IC Block Diagram 417-XP308I-928 SMPS IC(KA1M0880B TO-3P-5L FAIRCHILD) 417-XP308I-929 Transition-mode PFC IC(L6562N DIP8 ST) 417-XP308I-930 LOW POWER SMPS IC(VIPER22A DIP8 ST)
  • Page 28 IC Block Diagram TDA8920B Philips Semiconductors 417-SZ480-798 IC(TDA8920BTH) Block diagram DDP2 DDP1 DDA2 DDA1 STABI PROT 3 (20) 10 (4) 18 (12) 13 (7) 23 (16) 14 (8) 15 (9) BOOT1 9 (3) RELEASE1 IN1M DRIVER INPUT HIGH SWITCH1 CONTROL 8 (2) STAGE MODULATOR...
  • Page 29 IC Block Diagram HEF4047B 417-SZ480-799 IC(HEF4047BT)
  • Page 30 IC Block Diagram...