NAD-C300-int-mod30001 电路图 维修手册.pdf

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1、PAGE 3-00-01 NAD C300 MODIFICATION PROBLEM: The unit “pops” when switching on. CAUSE: After switching off the unit there appears a small dc voltage on the speaker terminals, when switching on this leaks away generating a “pop”. SOLUTION: A small kit has been developed to reduce this pop to a minimum

2、: C300-modi kit and will cost $ 5,- Please insert this kit as follows: 1. Remove C709 & D706. 2. Cut the track between C709 positive pole and D706 Anode, Q708 Base and D714 Cathode. 3. Place the pcb in the holes left by C709 & D706, pin 1 and 2 go into the C709 holes. 4. Place the purple wire betwee

3、n the pad that connects F701 with B701 & C701 on the psu pcb and C709 positive side on the main pcb. Note: the wire should be inserted in the heat shrinking tube already present at the rear of the main pcb. Please add the attached schematics to your manual. PRODUCTION: This modification will be implemented from serial number: H04C30008997 RadioFans.CN 收音机爱 好者资料库