《B&O-Beolab7.4-type-621x-from1936958维修电路图 手册.pdf》由会员分享,可在线阅读,更多相关《B&O-Beolab7.4-type-621x-from1936958维修电路图 手册.pdf(24页珍藏版)》请在收音机爱好者资料库上搜索。
1、BeoLab 7 4 Type 6215, 6216 From serial no. 19369658 Service Manual Danish English, German, French, Italian, Spanish and Dutch versions are available in the Retail System This Service Manual must be returned with the defective parts/back-up suitcase ! ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN C
2、ONTENTS Survey of modules .1.1 How to service . 1.2 Repair tips . 2.1 Adjustments . 3.1 Final check after repair . 3.2 Replacement of spare parts . 4.1 Illustrations . 5.1 Specifi cation guidelines for service use . 6.1 Overall block diagram .7.1 Wiring diagram . 7.2 Available parts . 8.1 ABO-CENTER
3、 v/HENRIKSENS ELEKTRONIK RadioFans.CN 1.1Modul oversigt Modul oversigt 999Module Main chassis ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN Udfrelse af service Strategi Hjttaleren skal repareres i kundens hjem. Det antistatiske serviceudstyr skal altid bruges, nr produktet skilles ad, eller nr der
4、 hndteres moduler. Reparationen omfatter udskiftning af moduler eller hjttalerenheder, som leveres i backup-kufferten. De udskiftede moduler skal returneres til reparation hos Bang bas. 3. Montr hjttalerenheden. NTC-printkortet skal vre tilsluttet, ellers lukker BeoLab 7 4 ned. 4. Justr fi ltermodul
5、et, hvis dette ikke allerede blev gjort i trin 2. Hjttalerenhed, diskant 1. Fjern den defekte hjttalerenhed. 2. Justr fi ltermodulet, eller notr hjttalervrdien p mrkaten. TW; diskant. 3. Montr hjttalerenheden. 4. Justr fi ltermodulet, hvis dette ikke allerede blev gjort i trin 2. Hovedchassis, modul
6、 999 1. Fjern hovedchassiset (modul 999). 2. Overfr hjttalervrdierne til fi ltermodulets potentiometre, eller notr hjttalervrdiens position p det defekte PCB4. WO; bas. TW; diskant. 3. Monter det nye hovedchassis (modul 999). NTC-printkortet skal vre tilsluttet, ellers lukker BeoLab 7 4 ned. 4. Just
7、r fi ltermodulets potentiometre, hvis dette ikke allerede blev gjort i trin 2. 4.1 ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 5.1Remove front cover - Push front cover towards bottom - Remove cables - Pull off front cover Tip: Use dedicated tool ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 5.
8、2Remove tweeter lens 4x TX15 - Remove plug - Remove screws 5.1 Remove front cover Plug Remember to remount suspension! ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 5.3 3x TX10 - Remove screws - Pull off cover f/tweeter - Remove screws to remove tweeter unit Disassembly of tweeter lens 2x TX10 5.1
9、 Remove front cover 5.2 Remove tweeter lens - Remember to adjust tweeter when replaced according to fi gures printed on speakerlabel (See adjustment procedure page 3.1) - Remove screws to remove topplate 2x TX15 ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 5.4 4x TX20 - Remove screws - Remove plu
10、gs (Remember NTC!) 5.1 Remove front cover Replace woofer - Remember to adjust woofer when replaced according to fi gures printed on speakerlabel (See adjustment procedure page 3.1) ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 5.5Replace main chassis - Remove screws - Place speaker front next to c
11、abinet as shown - Remove plugs from woofer 10 x TX20 - Remove tweeter plug by removing screws 2x TX10 5.1 Remove front cover - Remember NTC module! Plug Remember to unplug tweeter ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 5.6Replace Main chassis - Remove screws - Pull out chassis 6x TX20 GND!
12、5x TX10 ABO-CENTER v/HENRIKSENS ELEKTRONIK RadioFans.CN 6.1 Specifi cation guidelines for service use Specifi cation guidelines for service use BeoLab 7 - 4 Type no. 6215 220-240V (Jumper 6J200 is mounted) Type no. 6216 110-120V (Jumper 6J201 is mounted) Dimensions W x H x D 17 x 48 x 19 cm Weight A
13、pprox. 8 kg Cabinet fi nish Aluminium cabinet coated with hardwearing black soft-touchlacquer. Anodised speaker grill in following colours: Aluminium, Black, Blue, Dark Grey, Red Input sensitivity Power Link 125mV 88dB SPL Power Amplifi ers 2 x 250 watts (Class D ICEpower) Long Term Maximum, output
14、per amplifi er Bass/Midrange : 180 Watts (8 Ohm) Treble : 180 Watts (8 Ohm) Effective Frequency range 50 20.000 Hz Crossover frequencies 2000 Hz Cabinet principle Closed box Magnetically shielded No Net volume 5 litres Woofer 5” (125 mm) Tweeter (In acoustic lense) ” (19 mm) Bass equalization ABL (A
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- B&O-Beolab7.4-type-621x-from1936958维修电路图 手册 Beolab7 type 621 from1936958 维修 电路图