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Samson XP308i Service Manual

Other manuals for XP308i: Owner's manual, Owner's manual

Summary of XP308i

  • Page 1

    Model no.: xp308i contents specification 1-2 block diagram 3 packing view 4 packing view part list 5 point to point wiring diagram 6 exploded view 7 exploded view part list 8-10 electrical part list 11-19 schematic diagram 20-23 printed circuit board diagram 24-28 ic block diagram 29-34 service manu...

  • Page 2

    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 ;mic in to amp out (mic/line within,limiter led just light) 58 ±3dbm ;mono line in to monitor l/r 20 ±3dbm ;st line in to monitor l/r 28 ±3dbm ;mono mic ...

  • Page 3: Remark:

    General specification normal limit *residual noise (20khz lpf , avg) a) input,output level vr minimum monitor out less than -90 dbm b) 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 inp...

  • Page 4

    Block diagram 3.

  • Page 5

    Packing view 4.

  • Page 6

    Packing view part list ref no. Description part no. Q'ty remark 1 gift box 507-xp308i-3054 1 2 cushion 506-xp308i-541 2 3 pe-bag 505-xpl100-200 1 4 i/b ass’y 701-xp308i-4503 1 5 out carton 507-xp308i-3084 1 6 cushion 506-xp308i-562 1 7 epe bag 509-xp308i-260 2 8 himilon 612-xp308i-336 2 9 epe sheet ...

  • Page 7

    Point to point wiring diagram 101 102 2 power& pcb 1 dc fan i'pod input pcb power sw ac input jack mixer pcb 4 3 1 4 5 an 3& an 4 an 1& an 2 output pcb 5 6.

  • Page 8

    Exploded view 7.

  • Page 9

    Exploded view part list ref no. Description part no. Q'ty remark 1 push knob 100-l2400-2569 10 2 control knob(b) 100-xm610-2217 21 3 knob cap(white) 100-xm610wht-2218a 7 4 knob cap(red) 100-xm610red-2218a 1 5 knob cap(blu) 100-xm610blu-2218a 1 6 knob cap(slive) 100-xm610sil-2218a 12 7 inlay 501-stag...

  • Page 10

    Exploded view part list ref no. Description part no. Q'ty remark 44 samson logo 501-xp308i-2205 2 45 knob neck 100-xp308i-2649 10 46 washer 606-lc58fa-130 4 47 tooth washer 606-f200-002 1 48 nut 601-f200-001 1 49 cotton 509-xp308i-252 2 50 eva 612-xp308i-322 1 51 eva 612-xpl200-293 6 52 eva 612-xp30...

  • Page 11

    Exploded view part list ref no. Description part no. Q'ty remark s13 screw ttb3*10 602-xm610-522 14 s15 screw m2.6*4 602-mk7-134 8 s16 screw m2.6*4 602-b600-086 4 s17 screw m3*14 602-sa12-381 3 s18 screw tta4*15 602-tta4015-671 20 s19 screw m4*8 602-sx1200-543 1 s20 screw(stf,3*12) 602-4-560 8 s21 s...

  • Page 12

    Mixer pcb ass'y part list ref no. Description part no. Q'ty remark mixer pcb ass'y 704-xp308i-8285 1 support(brass) 200-l1200-589 5 sw1,sw2,sw3,sw4,sw 5,sw6,sw7,sw8,sw9,s w10 push sw(spph2-001-e) 403-xm910-203 10 wa1 7p socket(ckm2501wv-7p 180°white) 404-dv300-507a 1 cn4 7p con ass'y(p=2.0mm l=350mm...

  • Page 13

    Mixer pcb ass'y part list ref no. Description part no. Q'ty remark r11e,r11f,r16f,r17f,r18 f,r18h,r20a,r20b,r20c,r 20d,r20g,r21a,r21b,r21 c,r21d,r22a,r22b,r22c, r22d,r2g,r3e,r3f,r3g,r 44h,r4e,r4f,r5e,r5f,r9 g,r12f,r13e,r13f,r14e,r 14f,r16a,r16b,r16c,r16 d,r17a,r17b,r17c,r17d, r18a,r18b,r18c,r18d,r7 ...

  • Page 14

    Mixer pcb ass'y part list ref no. Description part no. Q'ty remark r9a,r9b,r9c,r9d,r10a,r 10b,r10c,r10d chipresistor(1.8kohm,1/8w,f,0805,150v,tp) 412-xp308i-1380 8 r11a,r11b,r11c,r11d,r1 2a,r12b,r12c,r12d chipresistor(3.9kohm,1/8w,f,0805,150v,tp) 412-xp308i-1381 8 r13a,r13b,r13c,r13d,r1 4a,r14b,r14c...

  • Page 15

    Mixer pcb ass'y part list ref no. Description part no. Q'ty remark u17 ic(tl072c/cd oa2 jfet so8 sgs) 417-ace-781 1 u1,u5,u16,u12,u8,u1b,u1 c,u13,u15,u1d,u3,u11,u7, u6,u4,u14,u19 ic(njm-4580m-te2,sop-8) 417-st150-599 17 ic4 voice echo ic(ht8970 sop-16 holtek) 417-xp308i-927 1 r73h fuse resistor (47 ...

  • Page 16

    Power & amp pcb ass'y part list ref no. Description part no. Q'ty remark power& pcb ass'y 704-xp308i-8286 1 wa4 7p socket(p=2.0mm, jae) 404-cdn34a-702 1 wa5 2p socket(ckm2001wv-2p,180°white) 404-hp1010k-257a 1 cn2 3p socket(ckm3962wv-3p,180°whtie pin2 nc) 404-q2131-2218 1 cn101,cn102,wa1 2p base(...

  • Page 17

    Power & amp pcb ass'y part list ref no. Description part no. Q'ty remark q8 mosfet(p-channel ap9435gj to-251 apec) 416-xp308i-353 1 pc1,pc2,pc3 ic(pc817c dip-4) 417-tst4-806 3 u2 transition-mode pfc ic(l6562n dip8 st) 417-xp308i-929 1 u4 low power smps ic(viper22a dip8 st) 417-xp308i-930 1 f1 fuse c...

  • Page 18

    Power & amp pcb ass'y part list ref no. Description part no. Q'ty remark c117,c118,c159,c160,c18 7,c189,c190,c191 ceramic capacitor(220pf/50v,k,taping,y5p) 413-3113-032 8 c22,c33 elec. Capacitor(1uf/50v,m,105℃,taping 5*11)(cd,pb,hg,cr) 413-3113-049 2 c16,c29,c34 elec. Capacitor(22uf/50v,m,105℃,tapin...

  • Page 19

    Power & amp pcb ass'y part list ref no. Description part no. Q'ty remark zd4 zener diode(1n5245,1/2w,t=26mm,cambridge) 414-xp308i-282 1 l101,l102,l106 bead core(tb36-863445np t-26mm) 415-hv3500k-090 3 for d2 q3 v3 ic & heatsink ass'y 704-xp308i-8287 1 d2 ultrafast diode(stth5l06fp to-220fpac st) 414...

  • Page 20

    Speaker input & output & i'pod input pcb ass'y part list ref no. Description part no. Q'ty remark speaker input pcb ass'y 704-xp308i-8347 1 an101&an102 2p 3.96 con ass'y 404-xp308i-3267 1 spk input jack pcb(cem-1,t=1.6mm 130*97mm) 405-xp308i-2399 1 c101 ceramic capacitor(2200pf/50v,k,taping,y5p) 413...

  • Page 25

    Ic block diagram 417-ace-781 ic(tl072c/cd oa2 jfet so8 sgs) 417-xm910-779 ic(ka2284b) 29.

  • Page 26

    Ic block diagram 417-tst4-806 ic(pc817c dip-4) 417-xp308i-927 voice echo ic(ht8970 sop-16 holtek) 30

  • 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) 31.

  • Page 28: Tda8920B

    Philips semiconductors tda8920b block diagram pin numbers in parenthesis refer to the tda8920bj. Block diagram. Coa023 out1 v ssp1 v ddp2 driver high out2 boot2 tda8920bth (tda8920bj) boot1 driver low release1 switch1 enable1 control and handshake pwm modulator manager oscillator temperature sensor ...

  • Page 29

    Hef4047b this text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the acrobat reader .This text is here in _ white to force landscape pages to be rotated correctly when browsing through the pdf in the acrobat reader.This text is here in this text i...

  • Page 30

    Ic block diagram ic block diagram.