Ñ¸Î¬Íø

²é¿´: 1558|»Ø¸´: 10
´òÓ¡ ÉÏÒ»Ö÷Ìâ ÏÂÒ»Ö÷Ìâ
[ÇóÖúÖÐ]

t61 no 3v5v

  [¸´ÖÆÁ´½Ó]
Ìø×ªµ½Ö¸¶¨Â¥²ã
1#
·¢±íÓÚ 2015-3-14 09:49:33 | Ö»¿´¸Ã×÷Õß »ØÌû½±Àø |µ¹Ðòä¯ÀÀ |ÔĶÁģʽ À´×Ô£º Ô½ÄÏ À´×Ô Ô½ÄÏ

ÂíÉÏ×¢²á£¬»ñÈ¡ÔĶÁ¾«»ªÄÚÈݼ°ÏÂÔØÈ¨ÏÞ

ÄúÐèÒª µÇ¼ ²Å¿ÉÒÔÏÂÔØ»ò²é¿´£¬Ã»ÓÐÕʺţ¿×¢²á

x
-> 0.003a . Kiểm tra
- no 3v5v
- Pin19 (-PWRSWITCH) = 2.9vMAX 17003 (u41) như sau:
- pin 21 (in) =20v
- pin 20 (LDO5) =5v
- pin 5,6 ( on3, on5) = 3.2v
- pin 4 ( -SHDN) = 3.2v
- pin 7 (REF) = 1.9v

                               
µÇ¼/×¢²áºó¿´¸ßÇå´óͼ


U28 như sau:
- Pin 24 = 3.2v
- pin 32 = 3.2v
- pin 7(vcc)= 3.2v
- pin 17(-SHUTDOWN2) = 3.2v
- pin 54(-THERM) = 0v
=> change C216, C511 ( 3v5v )
=> change  MAX 17003
=> change U61, U28

Help me !



ÍÆ¼ö
·¢±íÓÚ 2015-4-16 22:11:44 | Ö»¿´¸Ã×÷Õß À´×Ô£º ¹ã¶«¹ãÖÝ À´×Ô ¹ã¶«¹ãÖÝ
Â¥Ö÷£¬ÄãÕâ¸öÌû×Ó¿´µÃºÃÀÛ°¡£¬ÎÒÕâôºÃµÄÄÍÐÄ¿´Á˰ëÌ춼û¿´¶®°¡£¬Èç¹ûÌõ¼þ¶¼Õý³£µÄ»°£¬¾Í»»Ð¾Æ¬°É

ÍÆ¼ö
·¢±íÓÚ 2015-4-16 20:00:06 | Ö»¿´¸Ã×÷Õß À´×Ô£º ºÚÁú½­ÆëÆë¹þ¶û À´×Ô ºÚÁú½­ÆëÆë¹þ¶û
»»Ð¾Æ¬°É£¡£¡£¡£¡£¡

ÍÆ¼ö
·¢±íÓÚ 2015-4-16 18:19:13 | Ö»¿´¸Ã×÷Õß À´×Ô£º ËÄ´¨³É¶¼ À´×Ô ËÄ´¨³É¶¼
˵µÄʲôÄñÓï Âé·³´ó¸çÒÔºó¸ÄÕý

ÍÆ¼ö
·¢±íÓÚ 2015-4-10 12:50:36 | Ö»¿´¸Ã×÷Õß À´×Ô£º н® À´×Ô Ð½®

lzÕâÑù²»ÀÛѽÎÒÃÇ¿´×Ŷ¼ÀÛѽ¡£¡£ÓÃÎÄ×ÖÀ´µÄ¼ò½éÖ±½Ó

»áÔ±574291 ¸ÃÓû§Òѱ»É¾³ý
ÍÆ¼ö
·¢±íÓÚ 2015-3-14 10:33:16 | Ö»¿´¸Ã×÷Õß À´×Ô£º ¸£½¨ÈªÖÝ À´×Ô ¸£½¨ÈªÖÝ
lzÕâÑù²»ÀÛѽÎÒÃÇ¿´×Ŷ¼ÀÛѽ¡£¡£ÓÃÎÄ×ÖÀ´µÄ¼ò½éÖ±½Ó

ÍÆ¼ö
·¢±íÓÚ 2015-3-14 10:24:23 | Ö»¿´¸Ã×÷Õß À´×Ô£º ¸£½¨ÏÃÃÅ À´×Ô ¸£½¨ÏÃÃÅ
´òÖÐÎÄ×Ö°¡£¬ÕâÑùÃèÊö¿´²»¶®

Í·Ïñ±»ÆÁ±Î
ÍÆ¼ö
·¢±íÓÚ 2015-3-14 10:18:26 | Ö»¿´¸Ã×÷Õß À´×Ô£º ½­Î÷Äϲý À´×Ô ½­Î÷Äϲý
  ºÃÓÐÄѵÀѽ¡£¡£¡£

ÍÆ¼ö
·¢±íÓÚ 2015-3-14 10:00:47 | Ö»¿´¸Ã×÷Õß À´×Ô£º ½­Î÷ À´×Ô ½­Î÷
Õâô¶àÓ¢ÎÄ¿´²»¶®°¡

9#
·¢±íÓÚ 2015-4-16 20:18:02 | Ö»¿´¸Ã×÷Õß À´×Ô£º ±±¾© À´×Ô ±±¾©
ÓÐͨ²¡£¡£¡£¡£¡£¡
¡¢

10#
·¢±íÓÚ 2015-4-16 21:44:32 À´×ÔÑ¸Î¬ÍøAPP | Ö»¿´¸Ã×÷Õß À´×Ô£º ½­ËÕ À´×Ô ½­ËÕ
en1en2¿ªÆô

ÄúÐèÒªµÇ¼ºó²Å¿ÉÒÔ»ØÌû µÇ¼ | ×¢²á

±¾°æ»ý·Ö¹æÔò

¿ìËٻظ´ ·µ»Ø¶¥²¿ ·µ»ØÁбí
¸½½ü
µêÆÌ
΢ÐÅɨÂë²é¿´¸½½üµêÆÌ
άÐÞ
±¨¼Û
ɨÂë²é¿´ÊÖ»ú°æ±¨¼Û
ÐźÅÔª
¼þ²éѯ
µãλͼ AIάÐÞ
ÖúÊÖ



оƬËÑË÷

¿ìËٻظ´