Onkyo-T4555-tun-sm 电路图 维修手册.pdf

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1、T-4555 SERVICE MANUALSERVICE MANUAL RC-671T MULTI-PLATFORM TUNER Black and Silver models MODEL T-4555(B)/(S) (North American model) 120V AC, 60Hz 120V AC, 60Hz BMDC SMDC Ref. No. 4015 072007 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIS

2、T ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLI

3、ANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 SERVICE PROCEDURE T-4555 V.1.02/06823A-3 Clear- STANDBY ! ! 1. Replacing the fuse REF. NO. F901 F901 or PART NAME FUSE FUSE DESCRIPTION 1.25A-UL/T-233 1.25A-T/UL-ST2 This symbol located near the fuse indicates that the fuse used is show operating type, F

4、or continued protection against fire hazard, replace with same type fuse , For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique la qu le prese

5、nt symbol est apposre. PART NO. (SN) 252318GR 252251GR 3. Check the version of microprocessor (1) Connect the AC power cord into a wall outlet. (2) Press the STANDBY/ON button to turn on the unit. (3) Press and hold down the DISPLAY button, then press the STANDBY/ON button. (4) Press the STANDBY/ON

6、button to turn off the unit. (5) Disconnect the AC power cord from a wall outlet. version 3 seconds FL display REMARKS P P 2. Initialize the unit (1) Connect the AC power cord into a wall outlet. (2) Press the STANDBY/ON button to turn on the unit. (3) Press and hold down the MEMORY button, then press the STANDBY/ON button. (4) Disconnect the AC power cord from a wall outlet. FL display 4. Tuner board North American model Comes with C-HDSAT tuner board installed. RadioFans.CN 收音机爱 好者资料库