SNK维修百例

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首先介绍一下SNK座子,目前常见的有5种,94中座,95中座,96小座,98小座,99迷你竖插座。1,95中座,开机出BACKUPRAMERRORADDRESSWRITEREAD00D000000000FF00RAM4坏,更换OK。2,95中座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000005555A255RAM4坏,更换OK。3,96小座,开机出BACKUPRAMERRORADDRESSWRITEREAD0DD0000055557A55RAM4坏,更换OK。4,96小座,开机,花屏反复闪动不出方格,BUF坏,8位开关旁边的那个,更换OK。5,98小座,开机,无声音,RAM762256坏,在方Z8400旁边,更换OK。6,98小座,开机出VIDEORAMERRORADDRESSWRITEREAD000000005555B055背景颜色不对RAM6坏,更换OK。7,94中座,开机出BACKUPRAMERRORADDRESSWRITEREAD00000000555555404990旁边HC32波形不对,更换OK。8,95中座,开机不读卡,插子腐蚀断线,插子到GA11BUF断线,连接OK。9,99竖插座,开机花屏,看不清楚有字符出错,更换RAM5,RAM6,OK。10,96小座,开机方格重影,插子接触处腐蚀氧化,用砂纸清除OK。11,96小座,开机无声,更换长Z8400,OK。12,98小座,开机不出方格,更换4990,OK。13,98小座,开机出VIDEORAMERRORADDRESSWRITEREAD0000000055555055更换RAM6变成VIDEORAMERRORADDRESSWRITEREAD0000100010005000更换RAM5,OK无声音,更换RAM7,OK。14,95中座,开机NEOGEO处字符混乱,ZMC2虚焊,补焊OK。15,95中座,开机日历错误,更换HC32,OK。16,95中座,开机插卡日历错误,时间调整画面字符混乱,更换HC32,OK。17,95中座,开机一会就有马赛克,人物变成框框,NEOMGAT方片有1脚断线,连接OK。18,98小座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000025555AA55更换RAM4,OK。19,99竖插座,开机出BACKUPRAMERRORADDRESSWRITEREAD0000000000001800更换RAM4,OK。20,94中座,开机出BACKUPRAMERRORADDRESSWRITEREAD0000000055554000更换HC32,OK。21,96小座,开机出BACKUPRAMERROR,更换RAM3,RAM4,OK,不读卡,更换小插上的GA2BUF,OK。22,95中座,开机NEOGEO有竖条,人物有竖条,更换ZMC2,开机竖条没有了,但是选择人物画面缺少一般人物,投币处颜色不对,更换WORKRAM1,OK。23,95中座,开机出Z80ERROR,更换SM1,OK。24,94中座,开机检测字符混乱,L0至NEOIO之间断线,连接OK。25,99竖插座,投币有声音无显示,更换4990旁边HC32,OK。26,94中座,开机出COCLRRAMBANKERROR更换6264*2,RAM7,RAM8,OK。26,95中座,开机白屏,复位正常,查HC259第11脚空,更换HC259,OK。27,95中座,开机NEOGEO字符不清,人物马赛克,大方片虚焊,补焊OK。28,99竖插座,开机花板,不出方格,更换4990,OK。29,98小座,开机BACKUPRAMERRORADDRESSWRITEREAD0000000055559555更换RAM4,OK。30,98小座,开机日历错误,更换4990,开机出BACKUPRAMERRORADDRESSWRITEREAD0000000055555500RAM3到HC32断线,连接OK。31,96小座,开机无声,更换8201功放,投币有声,演示无声,更换C844,OK。32,98小座,开机花屏闪动,62256地址全低,更换68000,OK。33,96小座,开机出VIDEORAMERROR花看不清楚,更换RAM5,OK。34,95中座,开机不读卡,ZMC2有腐蚀,补焊ZMC2:1--24脚,OK。35,96小座,开机自动投币,1号投币短路,查线到BUF,8位开关处,更换OK。36,96小座,开机无音乐,6116数据线不对,更换Z8400,OK。37,96小座,开机不出方格,GA2BUF坏,和4990坏现象一样,更换OK。38,96小座,开机检测,8位开关有短路,换GA2BUF,开机无声,功放好,3016输入不对,更换Z8400,OK。小座Z8400易坏。39,98小座,开机VIDEORAMERROR重影,更换RAM5,RAM6,OK。40,96小座,开机蓝屏,74AC04波形不对,更换OK。41,98小座,开机无图像,更换WORKRAM*2,开机出BACKUPRAMERROR,更换RAM3,OK。42,98小座,开机蓝屏,小插子SFIXROM坏,更换OK。43,98小座,开机不出方格,换HC32出日历错误,查32,12,13脚到小插子断线,连接OK。44,94中座,开机不出方格,反复闪动,更换HC32,OK。45,95中座,开机出BACKUPRAMERRORADDRESSWRITEREAD0000000255559255HC32波形不对,更换OK。46,94中座,开机不同步,查线号通到U1,74LS32,有入无出,更换OK。47,96小座,开机无NEOGEO,无人物,74AC04虚焊,补焊OK。48,95中座,主机无右方向,更换GA7BUFOK。49,94中座,开机花屏闪动,更换1024,OK。50,95中座,开机NEOGEO重影一半,插子上有短路,分开OK。51,98小座,开机花板,复位信号不断上下跳动,看接口有低电平,摸1750发热,更换OK。52,95中座,开机花屏闪动,GAL1B坏,更换OK。53,95中座,开机字符乱码出错,更换RAM5,RAM6,OK。54,95中座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000005555B240RAM4到HC32断线,连接OK。55,96小座,开机不出方格,反复跳回,更换BACKRAM*2,OK。56,98小座,开机出BACKUPRAMERRORADDRESSWRITEREAD0000000055553555RAM4坏,更换OK。57,96小座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000005555B255HC32坏,更换OK。58,96小座,开机花板,GA2BUF坏,更换,开机无NEOGEO,更换L0,OK。59,96小座,开机闪动不出方格,打检测,显BACKUPRAMERRORADDRESSWRITEREAD0000000055551555更换RAMOK。60,98小座,开机出方格,打检测WORKRAMERRORDDRESSWRITEREAD0000100055551555RAM2坏,更换OK。61,95中座,开机正常,插卡白屏,ZMC2虚焊,补焊OK。62,95中座,按开始键,闪板重起,插子氧化,砂纸清除OK。63,94中座,开机有杂音,3016有1脚没有插好,补焊OK。64,96小座,开机白屏一闪无图像,小卡上SFIX坏,更换,开机无NEOGEO,待会儿有,更换L0,OK。65,96小座,开机不出方格,出蓝框,更换小插上2个273,OK。66,96小座,开机出VIDEORAMERRORADDRESSWRITEREAD0000001555557555更换RAM6,OK,有时有声音无图象,大方片虚焊。67,95中座,开机出BACKUPRAMERRORADDRESSWRITEREAD00001000AA2AAA2A更换HC32,OK。68,95中座,开机出COCLRRAMBANKERROR,更换RAM8,OK。69,96小座,开机先看见WORKRAMTEST,后出方格,更换GA2BUF,OK。70,96小座,主副机都不投币,更换GA2BUF,OK。71,95中座,开机在方格前一步反复跳回,打检测开关,出BACKUPRAMERRORADDRESSWRITEREAD000000005555B240,更换HC32,OK。72,94中座,开机不出方格闪回,打检测还是闪回,更换HC32,OK。73,94中座,开机在方格前一步定板,更换4990,出方格,投币有声,演示和打斗无声,C844虚焊,有时不读卡,尾插接触不好,砂纸清除氧化,OK。74,96小座,开机NEOGEO字符花,底板到273断线,连接OK。75,96小座,插卡开机闪板,更换BACKRAM*2,OK。76,98小座,开机花板,更换WORKRAM*2,OK。77,99竖插座,开机花板,查HC32无+5V,量对地短路,查背面一个电容短路,去掉OK。78,95中座,开机出Z80ERROR,6116有一只脚不对,更换Z80,OK。79,96小座,开机NEOGEO字符发虚,有竖条,更换ZMC2,OK。80,95中座,演示投币无声,更换SM1,OK。81,94中座,开机出VIDEORAMERRORADDRESSWRITEREAD00000000AAAAAAAB,更换RAM5,OK。82,98小座,开机出BACKUPRAMERRORADDRESSWRITEREAD000040005555F655更换RAM4,OK。83,96小座,开机方格有重影,小插上一个273坏,更换OK。84,96小座,开机出VIDEORAMERROR上下重影,更换RAM5,OK。85,94中座,开机出VIDEORAMERROR字符不清,A2方片虚焊。86,96小座,开机出BACKUPRAMERRORADDRESSWRITEREAD0000000000000002更换RAM3,OK。87,98小座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000025555AA55更换RAM3,OK。88,94中座,开机出SYSTEMROMERROR打检测出BACKUPRAMERRORADDRESSWRITEREAD0000000055550000查HC259波形不对,更换OK。89,96小座,开机方格有重影,更换RAM6,OK。90,98小座,开机出MEMORYCARDERROR,查1749有脚短路,更换OK。91,99竖插座,开机无演示人物和背景,大方片28P到1749的60P有断线,连接OK。92,99竖插座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000025555B255量RAM2到RAM4之间有断线,连接OK。93,96小座,开机打检测,WORKRAMTEST字符有重影,小插上左273坏,更换OK。94,99竖插座,开机出WORKRAMERROR,无出错地址显示,更换背面RAM1,OK。95,95中座,开机方格,模模糊糊看不清,更换NEO-IO,OK。、96,94中座,开机花板,有不同步的雪花点,1024坏,P1发四没有,断线,中间电平,排组坏,更换OK。97,95中座,开机出BACKUPRAMERRORADDRESSWRITEREAD000000000000F700更换RAM4,OK。98,96小座,开机出VIDEORAMERRORADDRESSWRITEREAD0000000055557B00RAM6波形不对,更换出方格,不读卡,换GA2BUF,OK。99,96小座,开机不出方格,打检测有WORKRAMTEST,更换WORKRAM2,OK。100,95中座,开机出COCLRRAMBANKERROR,更换GA9BUF,OK。版权所有请勿传播喻子龙QQ:1251410542012.9.18

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