Ampeg_SVT-CL_Fault_Mode_Service_Note电路图.pdf

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1、SLM Electronics # CSB0001 A Division of St. Louis Music, Inc 11880 Borman DrService Department St. Louis, MO 63146Phone 800 738 7563 Phone 314 569 0141Fax 314 567 7278 Customer Service Bulletin January, 1997 Units Affected: ModelSerial NumberModelSerial Number SVT-CLprior to TCLDJ10001SVT-2PROprior

2、to T2PDJ10001 SVT-CLJprior to TCLJJ10001SVT-2PROJprior to T2PJJ10001 SVT-CLWprior to TCLWJ10001SVT-2PROWprior to T2PWJ10001 Concern: Some units may unnecessarily trip the protection circuitry and cause the unit to go into “fault” mode (i.e. flashing red and green power LED). Corrective Action: Insta

3、ll a .1 mfd/50V capacitor (part # 10A104-01) on the power amp board, as shown below. Note: This Customer Service Bulletin (CSB) should be done in addition to the one released in March 1995 which added back to back diodes to the power amp input and also changed the gain resistor (R1 audio output PCB) to a 68K 1/4W. For reference the diodes are shown on the figure below. All future runs of these models will incorporate this update. RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库