Pioneer VSX 817 – VSX 917 Power amplifier section circuit diagram AUDIO/VIDEO MULTI-CHANNEL RECEIVER

Pioneer VSX 917V-K, VSX917V-S, VSX817-K, VSX-817S – Audio-Video multichannel Receiver – power amplifier section schematic and PWB.  STK412-530

Amplifier section
VSX-917V
* Continuous power output (stereo)
Front . . . . . . . . . . . . 100 W + 100 W
(DIN 1 kHz, THD 1.0 %, 8 Ω )
* Rated power output
(surround / 20 Hz to 20 kHz, THD 0.08 %, 8 W )
Front  . . . . . . . . . . . . 90 W per channel
Center. . . . . . . . . . . . 90 W
Surround . . . . . . . . 90 W per channel
Surround Back. . . . 90 W per channel
* Rated power output
(surround / 1 kHz, THD 1 %, 8 Ω )
Front . . . . . . . . . 110 W per channel
Center  . . . . . . . 110 W
Surround . .. . . . 110 W per channel
Surround back . . 110 W per channel

Power amplifier schematic [Click on the pictures to magnify]

PWB