Pioneer QX-646
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Product
Site
Price
Listed
Marktplaats
Pioneer QX 646
Marktplaats
€350
Jul 14, 2025
Marktplaats
€350
Jul 14, 2025
Jófogás
Pioneer Qx 646
Jófogás
HUF 300,000
Jun 11, 2025
Jófogás
HUF 300,000
Jun 11, 2025
OLX Portugal
receiver quadrifônico PIONEER QX-646 + PIONEER CT-F6161
OLX Portugal
€340
Apr 20, 2025
OLX Portugal
€340
Apr 20, 2025
Reverb
PIONEER QX-646 Vintage Wood Quad 4 Channel Receiver ~ WORKS AND LOOKS GREAT!
$340
Apr 12, 2025
$340
Apr 12, 2025
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Discuss Pioneer QX-646
Power Amp (AWH-019) not functioning.
By jacolucci, 15. October 2021, 18:10.
Replaced all caps and transistors. Having difficulty tracing circuit due to mirror layout of schematic. Getting proper voltages however finals (emmiters) showing no voltage. Really stumped on this one. Audio getting to board is good, however nothing past first transistors.