Pioneer QX-646
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Product
Site
Price
Listed
Bazos Czechia
PIONEER QX-646 KVALITNÍ VINTAGE STEREO RECEIVER
Bazos Czechia
CZK 9,990
Nov 20, 2025
Bazos Czechia
CZK 9,990
Nov 20, 2025
Jófogás
Pioneer Qx 646 rádiós erősítő
Jófogás
HUF 200,000
33%
Sep 27, 2025
Jófogás
HUF 200,000
33%
Sep 27, 2025
OLX Portugal
receiver quadrifônico PIONEER QX-646
OLX Portugal
€250
26%
Apr 20, 2025
OLX Portugal
€250
26%
Apr 20, 2025
Reverb
PIONEER QX-646 Vintage Wood Quad 4 Channel Receiver ~ WORKS AND LOOKS GREAT!
$300
12%
Apr 12, 2025
$300
12%
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.