粵勝負責(ze)英(ying)國CHORD功放(fang)/CD售(shou)后服務(wu)維修中心，多元(yuan)配件(jian)和高尖技術由廠家提供。

CPA5000那(nei)(nei)陰柔綿(mian)密不(bu)過于白熱化(hua)的(de)(de)(de)透明感(gan)，帶來豐(feng)富(fu)的(de)(de)(de)細節(jie)、明確的(de)(de)(de)空氣感(gan)，清楚(chu)的(de)(de)(de)前(qian)(qian)后層次等(deng)優(you)點。舊款CPA2200前(qian)(qian)級(ji)不(bu)像Pass那(nei)(nei)么(me)的(de)(de)(de)安靜，音(yin)像立體感(gan)也(ye)沒(mei)那(nei)(nei)么(me)強烈，CPA5000前(qian)(qian)級(ji)達(da)回迎頭(tou)趕上，和(he)弦(xian)(xian)功放(fang)(fang)，不(bu)但能聽到(dao)(dao)更多(duo)小(xiao)捉琴擦弦(xian)(xian)運弓的(de)(de)(de)聲響(xiang)，連(lian)鋼(gang)琴踏辦與(yu)觸弦(xian)(xian)的(de)(de)(de)微弱變(bian)化(hua)也(ye)像用(yong)放(fang)(fang)大(da)鏡似(si)的(de)(de)(de)，一(yi)股腦(nao)的(de)(de)(de)全搬(ban)到(dao)(dao)耳根前(qian)(qian)，和(he)弦(xian)(xian)Ultima 6開不(bu)著(zhu)機(ji)(ji)(ji)，它(ta)足以和(he)世上其它(ta)前(qian)(qian)級(ji)分庭抗禮。它(ta)的(de)(de)(de)中頻通(tong)(tong)清凝聚沒(mei)有贅(zhui)肉(rou)，不(bu)會討好耳朵(duo)做(zuo)得特別飽滿；它(ta)的(de)(de)(de)低頻于凈反應快(kuai)，量感(gan)適中且線條清楚(chu)，直到(dao)(dao)極低頻分析(xi)力都非常好。功放(fang)(fang)的(de)(de)(de)維修(xiu)方法及(ji)步驟(zou)：打(da)開機(ji)(ji)(ji)殼別通(tong)(tong)電(dian)(dian)(dian)左(zuo)右(you)主(zhu)板看(kan)一(yi)遍為了避免故(gu)障機(ji)(ji)(ji)通(tong)(tong)電(dian)(dian)(dian)造成(cheng)二次損壞，維修(xiu)時(shi)，不(bu)要(yao)先通(tong)(tong)電(dian)(dian)(dian)試機(ji)(ji)(ji)。打(da)開機(ji)(ji)(ji)殼詳細查看(kan)一(yi)下左(zuo)、右(you)聲道(dao)主(zhu)功放(fang)(fang)板，看(kan)是(shi)否有管子炸(zha)裂、電(dian)(dian)(dian)阻(zu)(zu)燒焦、保險管燒黑(hei)等(deng)明顯損壞。在(zai)路測量功率管大(da)管是(shi)否有擊穿(chuan)如果(guo)從表(biao)(biao)面上查看(kan)左(zuo)、右(you)主(zhu)板無明顯損壞，為您解(jie)決和(he)弦(xian)(xian)2650功放(fang)(fang)故(gu)障維修(xiu)，紅(hong)表(biao)(biao)筆(bi)接發射極，PNP-側交換表(biao)(biao)筆(bi)測量。正常時(shi)應是(shi)阻(zu)(zu)值(zhi)大(da)，表(biao)(biao)針(zhen)不(bu)擺動。如果(guo)機(ji)(ji)(ji)內電(dian)(dian)(dian)容(rong)還有存(cun)電(dian)(dian)(dian)，表(biao)(biao)針(zhen)閃動后會回到(dao)(dao)原位。和(he)弦(xian)(xian)SPM14000E功放(fang)(fang)底(di)噪大(da)維修(xiu)展示(shi)圖，用(yong)MF47型萬用(yong)表(biao)(biao)Rxl擋在(zai)路測量大(da)中小(xiao)功率管的(de)(de)(de)腳(jiao)間電(dian)(dian)(dian)阻(zu)(zu)。和(he)弦(xian)(xian)功放(fang)(fang)維修(xiu)店。

和弦CHORD音響維修技術中心。地址:廣州市越秀(xiu)區中山一(yi)路(lu)51號之二首層/粵勝

粵勝負責英國CHORD功放/CD售后服務維修(xiu)中心，多(duo)元配件(jian)和(he)高尖(jian)技(ji)術由(you)廠(chang)家提供。

英國(guo)新(xin)款和(he)弦CHORD SPM1200E MK II后(hou)級功(gong)放：輸(shu)出功(gong)率達350W (8Ω)/620W (4Ω)

所有大管(guan)無擊穿(chuan)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)用耳(er)聽其間如(ru)(ru)果(guo)(guo)經檢(jian)查沒(mei)有發現功(gong)(gong)率(lv)管(guan)有擊穿(chuan)現象，可(ke)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)試機(ji)(ji)。開(kai)機(ji)(ji)后(hou)(hou)用心聽機(ji)(ji)內聲(sheng)音，功(gong)(gong)放(fang)(fang)一(yi)(yi)(yi)(yi)般都(dou)(dou)設置有保(bao)(bao)護(hu)續(xu)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)， 而且是每個(ge)(ge)(ge)聲(sheng)道一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)，繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)吸(xi)合(he)時(shi)會(hui)(hui)發出(chu)清脆的(de)(de)“叭嗒(da)”聲(sheng)。有兩(liang)次響聲(sheng)說明兩(liang)個(ge)(ge)(ge)繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)都(dou)(dou)已經吸(xi)合(he)，兩(liang)路(lu)主功(gong)(gong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)基(ji)本正(zheng)常，故(gu)障(zhang)可(ke)能在外(wai)圍(wei)輸入(ru)與輸出(chu)保(bao)(bao)護(hu) 電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)。如(ru)(ru)果(guo)(guo)聽不出(chu)是兩(liang)個(ge)(ge)(ge)還是一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)有動(dong)作，可(ke)用手指(zhi)按(an)住繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)后(hou)(hou)開(kai)機(ji)(ji)。和弦(xian)CHORD SPM1200E MK II后(hou)(hou)級功(gong)(gong)放(fang)(fang)開(kai)機(ji)(ji)冒煙檢(jian)測修復，繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)吸(xi)合(he)手指(zhi)會(hui)(hui)有振動(dong)感(gan)。如(ru)(ru)果(guo)(guo)繼電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)在延遲幾(ji)十秒后(hou)(hou)都(dou)(dou)不吸(xi)合(he)，說明主功(gong)(gong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu) 有故(gu)障(zhang)。大管(guan)不會(hui)(hui)全(quan)擊穿(chuan)射極(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)拆(chai)一(yi)(yi)(yi)(yi)端如(ru)(ru)果(guo)(guo)功(gong)(gong)率(lv)管(guan)有擊穿(chuan)現象，而且所有管(guan)子(zi)測量(liang)結果(guo)(guo)都(dou)(dou)一(yi)(yi)(yi)(yi)樣。此時(shi)不要一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)個(ge)(ge)(ge)都(dou)(dou)拆(chai)，英國和弦(xian)功(gong)(gong)放(fang)(fang)保(bao)(bao)護(hu)，因(yin)為(wei)一(yi)(yi)(yi)(yi)側 的(de)(de)功(gong)(gong)率(lv)管(guan)全(quan)是并聯(lian)關系，只(zhi)要有一(yi)(yi)(yi)(yi)個(ge)(ge)(ge)擊穿(chuan)就會(hui)(hui)形成(cheng)這樣的(de)(de)測量(liang)結果(guo)(guo)。在實際維(wei)修中發現，一(yi)(yi)(yi)(yi)般都(dou)(dou)是個(ge)(ge)(ge)別管(guan)子(zi)擊穿(chuan)。和弦(xian)SPM1200E功(gong)(gong)放(fang)(fang)開(kai)機(ji)(ji)保(bao)(bao)護(hu)維(wei)修，把所有功(gong)(gong)率(lv)管(guan)發射極(ji)的(de)(de)陶瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)脫開(kai)一(yi)(yi)(yi)(yi)端，再測量(liang) 集電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)與發射極(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)，擊穿(chuan)的(de)(de)管(guan)子(zi)就會(hui)(hui)暴(bao)露(lu)出(chu)來。這樣便可(ke)只(zhi)拆(chai)除壞(huai)管(guan)，省去功(gong)(gong)率(lv)管(guan)全(quan)部拆(chai)卸的(de)(de)麻煩(fan)和避免對印刷電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板的(de)(de)損(sun)壞(huai)。

和弦CHORD音響維修技術中心。

服(fu)務地址(zhi):廣(guang)州市(shi)越(yue)秀區中山一路51號之二首(shou)層（粵(yue)勝/歡(huan)迎您(nin)光臨(lin)）

粵勝負責(ze)英國CHORD功放(fang)/CD售后(hou)服務維(wei)修中心，多元配件和高尖技術由(you)廠家提供。

粵(yue)勝擁(yong)有過人的(de)技木(mu)，技術，美妙聲音(yin)(yin)，Chord和(he)弦(xian)功放保護，、中性(xing)、音(yin)(yin)色無染(ran)、匹配性(xing)高，呈現的(de)聲音(yin)(yin)清亮明(ming)快(kuai)，CPA2200前級音(yin)(yin)量(liang)失靈檢測修復展(zhan)示圖(tu)例，細(xi)(xi)節超多，瞬態反(fan)應(ying)極快(kuai)，音(yin)(yin)像凝聚與樂器(qi)的(de)線條(tiao)感，和(he)弦(xian)1200C后級開機保護速(su)修過程圖(tu)，極高頻飄逸細(xi)(xi)致，低音(yin)(yin)則沖擊性(xing)頗佳。

功(gong)放維修過程小常(chang)識：100W燈泡(pao)(pao)的熱態(tai)電(dian)(dian)阻(zu)是484Ω，正常(chang)功(gong)放主板的靜(jing)態(tai)電(dian)(dian)流(liu)僅幾十毫(hao)安，燈泡(pao)(pao)不會亮。如果電(dian)(dian)路(lu)中仍有嚴重短路(lu)故(gu)障，和(he)弦CPA5000功(gong)放通電(dian)(dian)無聲輸出維修，燈泡(pao)(pao)會發光，燈絲(si)電(dian)(dian)阻(zu)將起到保(bao)護作用，防止電(dian)(dian)路(lu)再次損壞。對于具有兩組供電(dian)(dian)電(dian)(dian)壓的G類功(gong)放電(dian)(dian)路(lu)，供電(dian)(dian)要接在低壓供電(dian)(dian)端，供電(dian)(dian)后對電(dian)(dian)路(lu)的關鍵。

英(ying)國品(pin)牌和弦(xian)CHORD的(de)級Hi-End晶體管放大器(qi)，造工(gong)與聲音質(zhi)素 Matisse（馬(ma)蒂斯） 英(ying)國的(de)Hi-End膽機，音色、細致(zhi) 。

和弦(xian)CHORD音響「中國」維修技術中心。

服務(wu)地址(zhi):廣(guang)州市越秀區中(zhong)山一路51號之二首層（粵(yue)勝/歡(huan)迎您光臨）