Thank you for your help. I have ordered replacement for Q904.D905 and D906. I will get back to you when i receive them.
I will try your suggestions R.J. Do you know where I can download a schematic?
ccbargains
New Member
Last Activity: 08-18-2024, 03:48 PM
Joined: 01-30-2017
Location: pennsylvania
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Also Q904, D905 and D906 did not register anything with my multimeter using diode check.Leave a comment:
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Thank you very much for your help!
I do have 5V and 12V but no 33V. The unit does not completely turn on. I do get a display over hdmi but the display on the unit does not light up.
Any suggestions?Leave a comment:
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Pioneer SX-S30 need help identifying SMD semiconductors Also need service manual and/or schematic
I have not been able to locate a service manual for this Pioneer SX-S30 receiver. The unit will not turn on. I am troubleshooting the switch mode power supply. I found three smd semiconductors that test open while in circuit. The first (Q904) is a transistor marked AZ43W. The second is a diode D905 marked L68 and the last is a diode D906 marked 66 CU1M. I have attached photos.
Any help would be appreciated. Thank you....
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