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pioneer electronic corporation 4-1, meguro 1-chome, meguro-ku, tokyo 153-8654, japan pioneer electronics service inc. p.o.box 1760, long beach, ca 90801-1760 u.s.a. pioneer electronic [europe] n.v. haven 1087 keetberglaan 1, 9120 melsele, belgium pioneer electronics asiacentre pte.ltd. 501 orchard road, #10-00, wheelock place, singapore 238880 c pioneer electronic corporation 1998 k-zed. feb.1998 printed in japan order no. crt2190 bridgeable power amplifier s e r v i c e m a nu a l gm-x622 x1r/uc gm-x622/x1r/uc contents 1. safety information ............................................2 2. exploded views and parts list .......................2 3. schematic diagram .............................................6 4. pcb connection diagram ................................12 5. electrical parts list ........................................14 6. adjustment..........................................................17 7. general information .......................................18 7.1 ic .........................................................................18 7.2 disassembly ...................................................19 7.3 block diagram ..............................................20 8. operations and specifications.....................21 gm-x622 x1r/ew gm-x622 x1r/es GM-X522 x1r/uc w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
2 gm-x622,GM-X522 1. safety information caution this service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. if you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so and refer the repair to a qualified service technician. w arning lead in solder used in this product is listed by the california health and welfare agency as a known reproductive toxicant which may cause birth defects or other reproductive harm (california health & safety code, section 25249.5). when servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin contact with the solder. also, when soldering do not inhale any smoke or fumes produced. 2. exploded views and parts list 2.1 packing 3 4 2 10 8 9 6 7 9 fig. 1 w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
1 * 2 screw assy hea0017 3 screw byc40p180fzk 4 polyethylene bag heg0011 5 6 polyethylene bag heg0013 7 carton see contrast table (2) 8 contain box see contrast table (2) 9 protector hhp0025 10-1 owner's manual see contrast table (2) 10-2 owner's manual see contrast table (2) * 10-3 warranty card see contrast table (2) * 10-4 warranty card see contrast table (2) * 10-5 card see contrast table (2) (1) packing section parts list mark no. description part no. mark no. description part no. 3 gm-x622,GM-X522 note: - parts marked by ??re generally unavailable because they are not in our master spare parts list. - screws adjacent to ? mark on the product are used for disassembly. (2) contrast table gm-x622/x1r/ew, gm-x622/x1r/uc, gm-x622/x1r/es and GM-X522/x1r/uc are constructed the same except for the following: part no. gm-x622 GM-X522 mark no. symbol and description x1r/ew x1r/uc x1r/es x1r/uc 7 carton hhg0153 hhg0149 hhg0152 hhg0150 8 contain box hhl0153 hhl0149 hhl0152 hhl0150 10-1 owners manual hrd0044 hrd0041 hrd0043 hrd0042 10-2 owners manual not used not used hrd0070 not used * 10-3 warranty card not used hry0005 not used hry0005 * 10-4 warranty card hry1087 hry1070 not used not used * 10-5 card not used not used not used ary1048 - owner's manual model part no. language gm-x622/x1r/ew hrd0044 english, french, german, dutch, spanish, italian gm-x622/x1r/uc hrd0041 english, french gm-x622/x1r/es hrd0043 english, spanish hrd0070 arabic, portuguese(b) GM-X522/x1r/uc hrd0042 english, french w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
4 gm-x622,GM-X522 fig. 2 2.2 exterior w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
5 gm-x622,GM-X522 1 screw(m3 12) cba1323 2 screw(m3 5) hba0006 3 screw(m3 8) hba0011 4 case hnb0027 5 heat sink see contrast table (2 ) 6 spacer hnv3975 7 amp unit see contrast table (2 ) 8 screw bms30p060fzk 9 screw bms30p080fmc 10 cord assy hde0019 11 connector hde0013 12 fuse(25a) hek0025 13 bass bar hnc0039 14 bass bar hnc0040 15 bass bar hnc0041 16 bass bar hnc0043 17 heat sink hnr0088 18 heat sink hnr0089 19 clamper hnv0015 20 pin jack(cn851) see contrast table (2 ) 21 pin jack(cn855) see contrast table (2 ) 22 terminal(cn901) see contrast table (2 ) 23 terminal(cn651) see contrast table (2 ) 24 terminal(cn852) see contrast table (2 ) 25 holder hnc0025 26 holder hnc0026 27 screw ppz30p060fzk 28 plate unit see contrast table (2 ) 29 badge unit see contrast table (2 ) 30 light pipe unit hxa0201 31 panel unit see contrast table (2 ) 32 panel unit see contrast table (2 ) 33 plate hns0039 34 transistor(q565,566) 2sc1568 35 transistor(q567,568) 2sd2438 36 transistor(q569,570) 2sb1587 37 fet(q905,906,911,912) irfiz44n 38 thermistor(th901,902) ccx1013 * 39 panel hnb0035 40?6 47 diode(d907) yg902c2 48 diode(d910) yg902n2 49 clip see contrast table (2 ) (1) exterior section parts list mark no. description part no. mark no. description part no. note: - parts marked by ??re generally unavailable because they are not in our master spare parts list. - screws adjacent to ? mark on the product are used for disassembly. (2) contrast table gm-x622/x1r/ew, gm-x622/x1r/uc, gm-x622/x1r/es and GM-X522/x1r/uc are constructed the same except for the following: part no. gm-x622 GM-X522 mark no. symbol and description x1r/ew x1r/uc x1r/es x1r/uc 5 heat sink hnr0104 hnr0071 hnr0104 hnr0103 7 amp unit hwh0042 hwh0040 hwh0044 hwh0043 20 pin jack(cn851) hkb0001 hkb0002 hkb0001 hkb0001 21 pin jack(cn855) hkb0001 hkb0002 hkb0001 hkb0001 22 terminal(cn901) hke0001 hke0002 hke0001 hke0001 23 terminal(cn651) hke0009 hke0010 hke0009 hke0009 24 terminal(cn852) hke0013 hke0015 hke0013 hke0013 28 plate unit hxa0108 hxa0107 hxa0108 hxa0108 29 badge unit hxa0113 hxa0261 hxa0113 hxa0113 31 panel unit hxa0256 hxa0254 hxa0256 hxa0245 32 panel unit hxa0259 hxa0260 hxa0259 hxa0259 49 clip not used hnc0054 not used not used w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
6 gm-x622,GM-X522 a 1 234 b c d 12 34 3. schematic diagram 3.1 overall connection diagram(guide page) note: when ordering service parts, be sure to refer to ?xploded views and parts list?or ?lectrical parts list? a-a a-b a-a a-a a-b a-b a-b a-b a-a a-a large size sch diagram guide page detailed page a a-a speaker input lch input rch input 3 4 2 1 20k(e) 20k(e) 20k(e) 20k(e) 7 9 8 6 3 4 2 1 5 7 6 8 dc-ac inverter regulator rectification vr101:frequency s101:lpf/hpf isolator lpf hpf w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
7 gm-x622,GM-X522 5 6 7 8 a b c d 5 6 7 8 fig. 3 a-b a power amp bfc thermo detector / protector over voltage detector / protector mute control regulator control vr451:bass boost level vr452:bass boost fc vr453:gain s451:bass boost bass boost switching control w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
8 gm-x622,GM-X522 a 1 234 b c d 12 34 a-a a-a a-b speaker input lch input rch input 3 4 2 1 20k(e) 20k(e) 20k(e) 20k(e) 7 9 8 6 vr451:bass boost lev vr452:bass boost fc vr101:frequency vr453:gain s101:lpf/hpf isolator lpf hpf bass boost gm-x622/x1r/ew gm-x622/x1r/uc gm-x622/x1r/es GM-X522/x1r/uc vr101 not used ccs1251 not used not used r117,118 8r2k not used 8r2k 8r2k r121,122 8r2k not used 8r2k 8r2k gm-x622/x1r/ew gm-x622/x1r/uc gm-x622/x1r/es GM-X522/x1r/uc vr452 not used ccs1242 not used not used r459,460 not used 8r2k not used not used r471,472 33k not used 33k 33k w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
9 gm-x622,GM-X522 5 6 7 8 a b c d 5 6 7 8 a-a a-a a-b 3 4 2 1 5 7 6 8 dc-ac inverter regulator rectification switc contr fig. 4 w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
10 gm-x622,GM-X522 a 1 234 b c d 12 34 power amp ss boost level ss boost fc n s451:bass boost a-b a-a a-b w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
11 gm-x622,GM-X522 5 6 7 8 a b c d 5 6 7 8 bfc thermo detector / protector over voltage detector / protector mute control regulator control switching control h l fig. 5 a-b a-a a-b gm-x622/x1r/ew gm-x622/x1r/uc gm-x622/x1r/es GM-X522/x1r/uc s451 csh1021 not used csh1021 not used s901 hsh-156 not used hsh-156 not used r463,464 not used 0r0 not used 0r0 r926 1m not used 1m not used w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
12 gm-x622,GM-X522 a 1 234 b c d 12 34 4. pcb connection diagram 4.1 amp unit a capacitor connector p.c.board chip part side a side b note for pcb diagrams 1. the parts mounted on this pcb include all necessary parts for several destination. for further information for respective destinations, be sure to check with the schematic diagram. 2. viewpoint of pcb diagrams 1 2 3 4 5 6 7 8 9 10 s101 freq lpf/hpf input pre out bass boost freq bass boost level gain bass boost c a amp unit w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
bfc fu901 backup gnd system control l+ l r+ r l+ l r+ r speaker input speaker output a a b b 1 2 3 4 8 7 6 5 c 13 gm-x622,GM-X522 5 6 7 8 a b c d 5 6 7 8 a side a fig. 8 w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
14 gm-x622,GM-X522 unit number : hwh0042 unit name : amp unit miscellaneous ic 101 ic njm2068d ic 102 ic njm2068d ic 103 ic njm2068d ic 104 ic njm2068d ic 451 ic njm2068d ic 452 ic njm2068d ic 651 ic pa2027a ic 851 ic njm2068d ic 852 ic njm2068d ic 853 ic njm2068d ic 901 ic upc494c q 203 transistor dta124es q 204 transistor 2sc2458 q 205 transistor 2sc2458 q 551 transistor 2sa992 q 552 transistor 2sa992 q 553 transistor 2sa992 q 554 transistor 2sa992 q 555 transistor 2sc1845 q 556 transistor 2sc1845 q 557 transistor 2sc1845 q 558 transistor 2sc1845 q 559 transistor 2sc1845 q 560 transistor 2sc1845 q 561 transistor 2sa992 q 562 transistor 2sa992 q 563 transistor 2sc1845 q 564 transistor 2sc1845 q 565 transistor 2sc1568 q 566 transistor 2sc1568 q 567 transistor 2sd2438 q 568 transistor 2sd2438 q 569 transistor 2sb1587 q 570 transistor 2sb1587 q 571 transistor 2sd1768s q 572 transistor 2sd1768s q 653 transistor 2sa1048 q 654 transistor 2sc2458 q 655 transistor 2sc2458 q 657 transistor 2sa1048 q 658 transistor 2sc2458 q 659 transistor 2sa1048 q 660 transistor 2sb1243 q 661 transistor 2sc2458 q 851 transistor 2sc2458 q 852 transistor 2sc2458 q 902 transistor 2sa1048 q 903 transistor 2sb1277 q 904 transistor 2sb1277 q 905 fet irfiz44n q 906 fet irfiz44n q 907 transistor 2sd2395 q 908 transistor 2sb1566 q 909 transistor 2sd1919 q 910 transistor 2sd1919 q 911 fet irfiz44n q 912 fet irfiz44n d 551 diode hzs6l(b1) d 552 diode hzs6l(b1) d 553 diode 1ss133 d 554 diode 1ss133 d 555 diode 1ss133 d 556 diode 1ss133 d 557 diode 1ss133 d 558 diode 1ss133 d 601 led br4361f d 653 diode 1ss133 d 654 diode hzs7l(b2) d 658 diode 1ss133 d 659 diode 1ss133 d 661 diode 1ss133 d 903 diode rm4z d 907 diode yg902c2 d 908 diode hzs16l(1) d 909 diode hzs16l(1) d 910 diode yg902n2 d 911 diode 1ss133 l 901 choke coil 50? cth1146 l 902 choke coil 100? cth1150 l 903 choke coil 100? cth1150 t 901 transformer ctt1043 th 901 thermistor ccx1013 th 902 thermistor ccx1013 th 903 thermistor ccx1035 s 101 switch(lpf/hpf) csh1029 s 451 switch(bass boost) see contrast table s 901 switch(bfc) see contrast table vr 101 volume 20k ? (e) see contrast table vr 451 volume 10k ? (c) ccs1240 vr 452 volume 50k ? (c) see contrast table vr 453 volume 10k ? (a) ccs1241 ef 901 ccg-081 ef 902 ccg-081 fu 901 fuse 25a hek0025 resistors r 101 rd1/4pu103j r 102 rd1/4pu103j r 103 rd1/4pu103j r 104 rd1/4pu103j r 105 rd1/4pu103j =====circuit symbol and no.===part name part no. --- ------ ------------------------------------------ ------------------------- =====circuit symbol and no.===part name part no. --- ------ ------------------------------------------ ------------------------- 5. electrical parts list note: - parts whose parts numbers are omitted are subject to being not supplied. - the part numbers shown below indicate chip components. chip resistor rs1/ _ s ___ j,rs1/ __ s ___ j chip capacitor (except for cqs.....) cks....., ccs....., cszs..... a w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
15 gm-x622,GM-X522 r 106 rd1/4pu103j r 107 rd1/4pu472j r 108 rd1/4pu472j r 109 rd1/4pu562j r 110 rd1/4pu562j r 111 rd1/4pu103j r 112 rd1/4pu103j r 113 rd1/4pu123j r 114 rd1/4pu123j r 115 rd1/4pu103j r 116 rd1/4pu103j r 117 see contrast table r 118 see contrast table r 119 rd1/4pu123j r 120 rd1/4pu123j r 121 see contrast table r 122 see contrast table r 123 rd1/4pu222j r 124 rd1/4pu222j r 203 rd1/4pu472j r 204 rd1/4pu472j r 451 rd1/4pu182j r 452 rd1/4pu182j r 455 rd1/4pu182j r 456 rd1/4pu182j r 457 rd1/4pu331j r 458 rd1/4pu331j r 459 see contrast table r 460 see contrast table r 461 see contrast table r 462 see contrast table r 463 see contrast table r 464 see contrast table r 465 rd1/4pu161j r 466 rd1/4pu161j r 467 rd1/4pu222j r 468 rd1/4pu222j r 469 rd1/4pu473j r 470 rd1/4pu473j r 471 rd1/4pu333j r 472 rd1/4pu333j r 555 rd1/4pu432j r 556 rd1/4pu432j r 557 rd1/4pu153j r 558 rd1/4pu153j r 559 rd1/4pu331j r 560 rd1/4pu331j r 561 rd1/4pu331j r 562 rd1/4pu331j r 563 rd1/4pu681j r 564 rd1/4pu681j r 565 rd1/4pu561j r 566 rd1/4pu561j r 567 rd1/4pu333j r 568 rd1/4pu333j r 569 rd1/4pu222j r 570 rd1/4pu222j r 571 rd1/4pu223j r 572 rd1/4pu223j r 573 rd1/4pu472j r 574 rd1/4pu472j r 575 rd1/4pu101j r 576 rd1/4pu101j r 577 rd1/4pu512j r 578 rd1/4pu512j r 579 rd1/4pu222j r 580 rd1/4pu222j r 581 rd1/4pu181j r 582 rd1/4pu181j r 583 rd1/4pu100j r 584 rd1/4pu100j r 585 rd1/4pu100j r 586 rd1/4pu100j r 587 0.1 ? ccn1082 r 588 0.1 ? ccn1082 r 595 rd1/4pu563j r 596 rd1/4pu563j r 597 rd1/4pu564j r 598 rd1/4pu564j r 599 rd1/4pu473j r 600 rd1/4pu473j r 601 rs1/2pmf100j r 602 rs1/2pmf100j r 603 rd1/4pu511j r 604 rd1/4pu511j r 605 rd1/4pu331j r 606 rd1/4pu331j r 657 rd1/4pu104j r 658 rd1/4pu472j r 659 rd1/4pu103j r 660 rd1/4pu102j r 661 rd1/4pu472j r 662 rd1/4pu221j r 663 rd1/4pu563j r 664 rd1/4pu473j r 665 rd1/4pu103j r 666 rd1/4pu103j r 667 rd1/4pu222j r 668 rd1/4pu472j r 669 rd1/4pu222j r 671 rd1/4pu221j r 672 rd1/4pu152j r 676 rd1/4pu222j r 678 rd1/4pu472j r 679 rd1/4pu101j r 680 rd1/4pu472j r 681 rd1/4pu562j r 682 rd1/4pu562j r 683 rd1/4pu103j r 684 rd1/4pu223j r 685 rd1/4pu223j r 686 rd1/4pu223j r 851 rd1/4pu471j r 852 rd1/4pu471j r 853 rd1/4pu223j r 854 rd1/4pu223j r 855 rn1/4pc1002d r 856 rn1/4pc1002d r 857 rn1/4pc1002d r 858 rn1/4pc1002d r 859 rn1/4pc1002d r 860 rn1/4pc1002d r 861 rn1/4pc1002d r 862 rn1/4pc1002d r 865 rd1/4pu821j r 866 rd1/4pu821j r 867 rd1/4pu223j r 868 rd1/4pu223j r 869 rd1/4pu472j r 870 rd1/4pu472j =====circuit symbol and no.===part name part no. --- ------ ------------------------------------------ ------------------------- =====circuit symbol and no.===part name part no. --- ------ ------------------------------------------ ------------------------- w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
16 gm-x622,GM-X522 r 871 rd1/4pu472j r 872 rd1/4pu222j r 877 rd1/4pu472j r 878 rd1/4pu472j r 879 rd1/4pu563j r 880 rd1/4pu563j r 881 rd1/4pu104j r 882 rd1/4pu104j r 902 rs1/2pmf220j r 907 rd1/4pu153j r 909 rs1/2pmf220j r 910 rd1/4pu153j r 911 rd1/4pu102j r 912 rd1/4pu272j r 913 rd1/4pu472j r 914 rd1/4pu472j r 915 rd1/4pu472j r 916 rd1/4pu332j r 917 rd1/4pu332j r 918 rs1/2pmf220j r 919 rs1/2pmf220j r 920 rd1/4pu472j r 921 rd1/4pu472j r 922 rd1/4pu472j r 923 rd1/4pu472j r 924 rs1/2pmf470j r 925 rs1/2pmf470j r 926 see contrast table r 928 rs1/2pmf470j r 929 rs1/2pmf470j r 930 rs1/2pmf100j r 931 rs1/2pmf100j r 932 rd1/4pu104j r 935 rd1/4pu392j r 936 rd1/4pu223j r 937 rd1/4pu103j r 938 rd1/4pu272j r 939 rd1/4pu272j r 947 rs1/2pmf560j r 948 rs1/2pmf560j r 949 rd1/4pu183j r 950 rd1/4pu101j r 951 rd1/4pu563j capacitors c 101 ccpusl470j50 c 102 ccpusl470j50 c 103 cftla104j50 c 104 cftla104j50 c 105 cftla104j50 c 106 cftla104j50 c 451 cftla273j50 c 452 cftla273j50 c 453 ceas4r7m50 c 454 ceas4r7m50 c 455 cftla224j50 c 456 cftla224j50 c 457 cftla473j50 c 458 cftla473j50 c 551 ceas100m50 c 552 ceas100m50 c 553 ckpuyb221k50 c 554 ckpuyb221k50 c 555 cqma471j50 c 556 cqma471j50 c 557 cftla104j50 c 558 cftla104j50 c 559 ceas101m10 c 560 ceas101m10 c 561 ccpuch150j50 c 562 ccpuch150j50 c 563 cma330j2h c 564 cma330j2h c 565 cftla223j50 c 566 cftla223j50 c 567 cftla333j50 c 568 cftla333j50 c 569 cqma102j50 c 570 cqma102j50 c 571 cma100j2h c 572 cma100j2h c 573 cma100j2h c 574 cma100j2h c 651 220?/10v cch1036 c 652 cftla103j50 c 653 ceas100m50 c 654 ceas100m50 c 655 cftla103j50 c 656 ceas101m16 c 658 ceas220m50 c 659 ceas471m16 c 660 cftla103j50 c 661 cftla103j50 c 662 cftla103j50 c 851 ckpuyb471k50 c 852 ckpuyb471k50 c 853 ceas100m50 c 854 ceas100m50 c 855 cftla223j50 c 856 cftla223j50 c 857 ccpusl470j50 c 858 ccpusl470j50 c 859 ccpusl470j50 c 860 ccpusl470j50 c 861 ckpuyb471k50 c 862 ckpuyb471k50 c 863 ceas4r7m50 c 864 ceas4r7m50 c 865 ccpusl470j50 c 866 ceas100m50 c 867 ceas100m50 c 902 ceas221m10 c 903 ceas2r2m50 c 904 ceas101m16 c 905 cqma472j50 c 906 cqma472j50 c 907 3300?/16v cch1211 c 908 4700?/35v cch1207 c 909 4700?/35v cch1207 c 912 ceas470m16 c 913 ceas470m16 c 914 cqma102j50 c 915 cqma102j50 c 916 cftla224j50 c 918 ceas471m35 c 919 ceas471m35 c 920 cftla564j50 c 927 cqma102j50 c 932 ceas470m10 =====circuit symbol and no.===part name part no. --- ------ ------------------------------------------ ------------------------- =====circuit symbol and no.===part name part no. --- ------ ------------------------------------------ ------------------------- w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
17 gm-x622,GM-X522 6. adjustment there is no information to be shown in this chapter. contrast table of amp unit gm-x622/x1r/ew, gm-x622/x1r/uc, gm-x622/x1r/es and GM-X522/x1r/uc are constructed the same except for the following: part no. symbol and description gm-x622/x1r/ew gm-x622/x1r/uc gm-x622/x1r/es GM-X522/x1r/uc vr101 not used ccs1251 not used not used vr452 not used ccs1242 not used not used s451 csh1021 not used csh1021 not used s901 hsh-156 not used hsh-156 not used r117,118 rd1/4pu822j not used rd1/4pu822j rd1/4pu822j r121,122 rd1/4pu822j not used rd1/4pu822j rd1/4pu822j r463,464 not used rd1/4pu0r0j not used rd1/4pu0r0j r459,460 not used rd1/4pu822j not used not used r471,472 rd1/4pu333j not used rd1/4pu333j rd1/4pu333j r926 rd1/4pu105j not used rd1/4pu105j not used w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
18 gm-x622,GM-X522 7. general information 7.1 ic pa2027a 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 vcc stby det1 det2 det_r gnd nc nc in1 in2 in3 cont_v filter vs_out tc mute_out + - zz 2v + - zz 2v + - zz 2v + - 2v zz + - 2v 20 m a + - zz 2v + - zz 50 m a 4.7k ? transient voltage detector bandgap circuit motion:on + - 5.6v + - q s r oneshot (1 m sec) bandgap:on switch:on 0.13v w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
19 gm-x622,GM-X522 a 7.2 disassembly - removing the the amp unit some silicone glue has been applied between the heat sink and the sub heat sink. therefore, to remove the amp unit from the heat sink. 1. remove ten screws c. 4. use 2 pcs. of screw c and insert them into the two holes marked with an arrow. 5. alternately tighten them little by little until the sub heat sink(sub) separates from the heat sink. fig. 8 - removing the case and the panel units 1. remove eight screws a and nine screws b. 2. remove case and panel units. fig.7 case panel unit panel unit heat sink(sub) heat sink(sub) amp unit heat sink a a a a a a a b b b b b b b b b c c c c c c c c c c w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
20 gm-x622,GM-X522 fig. 8 7.3 block diagram a bfc bass boost w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
21 gm-x622,GM-X522 8. operations and specifications 8.1 specifications power source .............................................................................................................. 14.4 v dc (10.8 ?15.1 v allowable) grounding system ............................................................................................................... ............................. negative type current consumption ........................................................................................................ 15.2 a (at continuous power, 4 w ) average current drawn* ......................................................................................................... ... 4.6 a (4 w for two channels) 8.6 a (4 w for one channel) fuse .......................................................................................................................... ........................................................ 25 a dimensions .................................................................................................................... ...... 255 (w) 61 (h) 230 (d) mm [10 (w) 2-3/8 (h) 9 (d) in.] weight ........................................................................................................ 3.5 kg (7.7 lbs. ) (leads for wiring not included) maximum power output ........................................................................................................ 10 0 w 2 / 300 w 1 (eiaj) continuous power output .............................................................. 50 w 2 (at 14.4v, 4 w , 20 ?20,000 hz, 0.08% thd) 150 w 1 (at 14.4v, 4 w , 20 ?20,000 hz, 0.8% thd) 75 w 2 (at 14.4v, 2 w , 20 ?20,000 hz, 0.8% thd) load impedance ................................................................................................................ .............. 4 w (1 ?8 w allowable) (bridge connection: 2 ?8 w allowable) frequency response ............................................................................................................ 10 ?50,000 hz (+0 db, ? db) signal-to-noise ratio ......................................................................................................... ............. 105 db (ihf? network) distortion .................................................................................................................... ........................ 0.005% (10 w, 1 khz) separation .................................................................................................................... .................................... 70 db (1 khz) low pass filter ............................................................................................................... ..... cut off frequency: 50 ?120 hz cut off slope: ?2 db/oct high pass filter .............................................................................................................. ...... cut off frequency: 50 ?120 hz cut off slope: ?2 db/oct bass boost .................................................................................................................... .................. frequency: 40 ?120 hz gain: 0 ?12 db input level / impedance ....................................................................................................... ........... rca: 0.4 ?4.0 v/22 k w speaker: 1.6 ?6 v/78 k w note: specifications and the design are subject to possible modification without notice due to improvements. *average current drawn the average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. use this value when working out total current drawn by multiple power amplifiers. w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com
gm-x622,GM-X522 lpf (low-pass filter)/hpf (high-pass filter) select switch set the lpf/hpf select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system: lpf/hpf select audio frequency range speaker remarks switch to be output type lpf (left) * 50 to 120 hz sub-woofer connect a sub-woofer. off (center) full range full range hpf (right) * 50 to 120 hz full range use if you want to cut the very-low-frequency range* because it is not necessary for the speakers you are using. * see the ?ut off frequency control?section. gain control if the sound level is too low, even when the volume of the car stereo used along with this power amplifier is turned up, turn gain control on the back of the power amplifier clockwise. if the sound distorts when the volume is turned up, turn the gain control counter-clockwise. set the gain control to ?ormal?when this amplifier is connected to a pioneer car stereo with rca output jacks. if the sound level is too low or distorts, adjust the gain control. if you hear much noise when using the speaker input terminals, turn the gain control clockwise. adjust the gain control to the ?in?side of ?ormal?when this amplifier is connected to a pioneer car stereo (high voltage output type). power indicator the power indicator lights when the power is switched on. bass boost level control bass boost level control can boost the level around the frequency selected by the bass boost frequency control from 0 to 12 db. bass boost frequency control you can select a bass boost frequency from 40 to 120 hz with the bass boost control. bass boost level control and bass boost frequency control can be adjusted only when the lpf/hpf select switch is set to a position other than hpf. cut off frequency control if the lpf/hpf select switch is set to lpf or hpf, you can select a cut off frequency from 50 to 120 hz. 8.2 operations w w w . x i a o y u 1 6 3 . c o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.xiaoyu163.com http://www.xiaoyu163.com

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