LabGruppen Service_Bulletin_2008_no_2_A25TD14b电路图.pdf

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1、 Document type: Created: Page: File: L:ProductionServiceService BulletinService Bulletin 2008 no 2 A25TD14b.doc SERVICE BULLETIN (2008-03-19) Page 1 of 3 THIS DOCUMENT IS CONFIDENTIAL. IT MAY NOT BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF LABGRUPPEN AB AND TC Electronic A/S 2005 Labgruppen AB,

2、Faktorvgen 1, S-434 44 KUNGSBACKA, SWEDEN |. Technical Service Bulletin Created by: Lab.gruppen AB Service Department Date: 080319 Reference no: A25TD14b Affected models Following models are affected by this technical service bulletin: C68:4 C48:4 C28:4 C16:4 Affected boards/modules A25TD14b, AICO41

3、0d, AICO410e. Symptom A25TD14b does not fit together with AICO410d. If changing A25TD module to A25TD14b AICO410d must be rebuilt to an AICO410e. See table below for modifications on AICO410d to be rebuilt to an AICO410e. RadioFans.CN 收音机爱 好者资料库 Document type: Created: Page: File: L:ProductionServic

4、eService BulletinService Bulletin 2008 no 2 A25TD14b.doc SERVICE BULLETIN (2008-03-19) Page 2 of 3 THIS DOCUMENT IS CONFIDENTIAL. IT MAY NOT BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF LABGRUPPEN AB AND TC Electronic A/S 2005 Labgruppen AB, Faktorvgen 1, S-434 44 KUNGSBACKA, SWEDEN |. Solution S

5、ee table below for modifications on AICO410d to be rebuilt to an AICO410e. Exchange resistors according to table below to rebuild the AICO410d to AICO410e. Explanation to the resistors value: 24K.125W1%0805 equals a SMD resistor (0805) with the value of 24k, 0.125W and 1% accuracy. Position Value on

6、 component on AICO410d Value on component on AICO410e R1 24K.125W1%0805 100K.125W1%0805 R101 24K.125W1%0805 100K.125W1%0805 R201 24K.125W1%0805 100K.125W1%0805 R301 24K.125W1%0805 100K.125W1%0805 R2 120K.125W1%0805 270K.125W1%0805 R102 120K.125W1%0805 270K.125W1%0805 R202 120K.125W1%0805 270K.125W1%

7、0805 R302 120K.125W1%0805 270K.125W1%0805 R96 0R.125W1%0805 330K.125W1%0805 R196 0R.125W1%0805 330K.125W1%0805 R296 0R.125W1%0805 330K.125W1%0805 R396 0R.125W1%0805 330K.125W1%0805 It is common SMD resistors that shall be used. Those might be purchased at a local dealer. Note It is different A25TD m

8、odules for different amplifiers. Part numbers Model Part numbers C68:4 A25TD14b, AICO410d, AICO410e, also see table above C48:4 A25TD14b, AICO410d, AICO410e, also see table above C28:4 A25TD14b, AICO410d, AICO410e, also see table above C16:4 A25TD14b, AICO410d, AICO410e, also see table above RadioFa

9、ns.CN 收音机爱 好者资料库 Document type: Created: Page: File: L:ProductionServiceService BulletinService Bulletin 2008 no 2 A25TD14b.doc SERVICE BULLETIN (2008-03-19) Page 3 of 3 THIS DOCUMENT IS CONFIDENTIAL. IT MAY NOT BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF LABGRUPPEN AB AND TC Electronic A/S 2005 Labgruppen AB, Faktorvgen 1, S-434 44 KUNGSBACKA, SWEDEN |. History Date Created By Status Bulletin no. Comment 080319 JF SHARP 2 RadioFans.CN 收音机爱 好者资料库