Pioneer VSX-C300 Service Manual - Page 28

1 2 3 4 VSX-C300 3.12 POWER ASSY (1/2) A B 4/5 CN1501 (FL) (SW) (C) (RL) (FL) Q407 2SC3326(AB) J 1/2 POWER ASSY (AWX7910) (FL) 27V 0V (FL) 29V -29V 0V -27V 0V 0V (FL) 1SS355 Front Power Amp. 0V Mute Q301 2SC3326(AB) Q302 2SC3326(AB) Mute (FL) 1SS355 (FL) Over Load Det. Q305 2SC2712(GRBL) Over Load Det. Q306 2SC2712(GRBL) 1SS355 (RL) (C) (SW) Q408 2SC3326(AB) B (C) (RL) Rear, Center Power Amp. 0V 5V Q341 2SC3326(AB) Mute 27V 0V (RL) 29V -29V 0V -27V 0V 0V 0V 0V (RL) 0V Over Load Det. 1SS355 (C) (RL) 1SS355 Q345 2SC2712(GRBL) 5V Over Load 4.3V Det. 4.3V (RL) Q346 2SC2712 (GRBL) 1SS355 (C) 1SS355 (C) Mute G CN4201 0V -12V Q342 2SC3326(AB) (C) (C) (D) 1SS355 C -32V (C) (C) 1SS355 Q383 Mute Center SP Det. 2SC2712 (GRBL) Over-Load Q381 2SC3326(AB) Det. -12V 1SS355 1SS355 5V Q402 DTA124EK FAN Drive Q406 DTA124EK Q386 2SA1037K (QR) 1SS355 Q384 2SC2412K(QR) 0V Q385 2SC2412K (QR) DC Det. (D) (D) 1SS355 (D) (D) THERMISTOR DC FAN MOTOR Q405 DTA124EK Q404 Q403 2SC2712(GRBL) 2SC2712(GRBL) D 28 J 1/2 1 1SS355 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491001 MFD, BY LITTELFUSE INK. FOR IC302 (AEK7009). 2 J 2/2 3 B 5/5 CN1601 4