HarmanKardon-AVR235-avr-sb维修电路原理图.pdf

harman/kardon, Incorporated 250 Crossways Park Dr. Woodbury, New York 11797 harman/kardon Service Bulletin Service bulletin # HK2006-01 January 2006 Warranty labor rate: MINOR repair To: All harman/kardon Service Centers Models: AVR135, AVR140, AVR240, AVR340, AVR135/230v, AVR235/230v, AVR335/230v, AVR140/230v, AVR240/230v, AVR340/230v Subject: Defective Wafer In the event you receive an AVR135, AVR140, AVR240, AVR340, AVR135/230v, AVR235/230v, AVR335/230v, AVR140/230v, AVR240/230v, or AVR340/230v receiver with the complaint “there is no On Screen Display (OSD) output through the Composite, S-video, or Component Video* connections, or no video pass-through from S-Video or Composite connections”, perform the following procedure: Synopsis: Flat flex cable assembly possibly not making a good contact with defective wafer connector CN72, located on the Input PCB. Check to see if the affected unit falls into the serial number range(s) below, which may need modification. 1) Remove the top cover 2) Remove the Tuner PCB and Video PCBs. 3) Remove the Input PCB; replace 16 pin wafer connector CN72 with h/k part# KJP32GA117ZG. 4) Replace all PCBs in reverse order, and the top cover. 5) Test the unit. MODEL SERIAL NUMBER (120V) SERIAL NUMBER (230V) STATUS ACTION AVR135 AN0020-28676 to AN0020-33475 May Need Modification Replace Wafer AVR140 AN0031-04201 to AN0031-16800 May Need Modification Replace Wafer AVR240 AN0032-01001 to AN0032-13000 May Need Modification Replace Wafer AVR340 AN0033-01001 to AN0033-09000 May Need Modification Replace Wafer AVR135 in CP15 system AN0023-08026 to AN0023-09825 May Need Modification Replace Wafer AVR235 in CP25 system AN0024-03001 to AN0024-04000 May Need Modification Replace Wafer AVR335 in CP35 system AN0025-04101 to AN0025-05100 May Need Modification Replace Wafer AVR135/230 AN0027-14356 to AN0027-17965 May Need Modification Replace Wafer AVR235/230 AN0028-11601 to AN0028-20300 May Need Modification Replace Wafer AVR335/230 AN0029-07401 to AN0029-09830 May Need Modification Replace Wafer AVR140/230 AN0034-01001 to AN0034-04600 May Need Modification Replace Wafer AVR240/230 AN0035-01001 to AN0035-03400 May Need Modification Replace Wafer AVR340/230 AN0036-01001 to AN0036-02200 May Need Modification Replace Wafer * Note: For the models above, excluding the AVR340, the full On Screen Display (OSD) normally will not be visible with Component video connections alone. For model AVR340, when the component video jacks are used, the onscreen menus are not visible with high-definition video (720p or 1080i), and you must switch to the standard composite or S-video input on your TV, or to a 480p video source, to view them. RadioFans.CN 收音机爱 好者资料库