Wednesday 10 April 2013

DENON PMA-500V Power Amplifier Restoration Repair



DENON PMA-500V 
Power Amplifier Repair


Block Diagram PMA-500V


Input Stage VAS and Output stage of Voltage Amplifier PMA-500V

                                                                                 

Servo DC Out, Bias adj, Current Buffer Output

Denon PMA-500V Defekt, Broken Repair Restoration:
Trouble:
D529     ISS133     Short Circuit,
D509     HZ7B-3   Short Circuit, 
TR505   2SA1358 Open Circuit 
D507     HZ7B-3   Open Circuit





No comments:

Post a Comment