Operating Instructions
Page 49
If you think that there is something wrong with good ventilation. the display and no sound is • Call a Pioneer-accredited repair center. If problem persists turn on the remote control. • Adjust the MASTER VOLUME. lected. • Tune in • The receiver ... service center or your dealer to page 16). display. • Allow the receiver to shut off . • Call a Pioneer-accredited repair center. AMP ERR blinks in the • The receiver has gotten too hot. Downloaded from the equipment causing the noise. the display and no loose strands...
If you think that there is something wrong with good ventilation. the display and no sound is • Call a Pioneer-accredited repair center. If problem persists turn on the remote control. • Adjust the MASTER VOLUME. lected. • Tune in • The receiver ... service center or your dealer to page 16). display. • Allow the receiver to shut off . • Call a Pioneer-accredited repair center. AMP ERR blinks in the • The receiver has gotten too hot. Downloaded from the equipment causing the noise. the display and no loose strands...
Service Manual
Page 8
... TC9164AF AUDIO FUNCTION SELECTOR IC702 UPC4570G2 B DSP ASSY B F FRONT INPUT CN1501 ASSY (1/3) CN301 CN4101 CN304 IC703 NJM2100M IC802 AK4527BVQ CODEC IC1301-IC1303 NJM4558MD LPF & 6dB AMP. C J 2P JACK ASSY POWER ASSY (1/3) 1 1 CN2201 CN901 CN701 CN801 D OPT-IN ASSY IC1106 CS493292 DSP for DECODE IC1202 TC74VHCT244AFT 3 → 5V CONVERTER C F FRONT INPUT... IC1102 TC74VHC574F 8 → 16 bit CONVERTER IC1201 AK7706VT DSP for DELAY IC1203 TC551001CFT-70 RAM for DELAY IC3201 NJM2296M VIDEO FUNCTION SELECTOR E VIDEO ASSY D 8 1 2 3 4 1 2 3 4 VSX-C300 3.
... TC9164AF AUDIO FUNCTION SELECTOR IC702 UPC4570G2 B DSP ASSY B F FRONT INPUT CN1501 ASSY (1/3) CN301 CN4101 CN304 IC703 NJM2100M IC802 AK4527BVQ CODEC IC1301-IC1303 NJM4558MD LPF & 6dB AMP. C J 2P JACK ASSY POWER ASSY (1/3) 1 1 CN2201 CN901 CN701 CN801 D OPT-IN ASSY IC1106 CS493292 DSP for DECODE IC1202 TC74VHCT244AFT 3 → 5V CONVERTER C F FRONT INPUT... IC1102 TC74VHC574F 8 → 16 bit CONVERTER IC1201 AK7706VT DSP for DELAY IC1203 TC551001CFT-70 RAM for DELAY IC3201 NJM2296M VIDEO FUNCTION SELECTOR E VIDEO ASSY D 8 1 2 3 4 1 2 3 4 VSX-C300 3.
Service Manual
Page 9
LPF SP Config. IC1502-IC1504 UPC4570G2 PRE-AMP. 5 6 7 8 VSX-C300 IC1306, IC1402-IC1405 NJM4558MD IC1401 TC9164AF MIX AMP. A F FRONT INPUT ASSY (3/3) PHONES B IC1501 M62446FP ELECTRIC VOLUME C J POWER ASSY (3/3) D 9 5 6 7 8
LPF SP Config. IC1502-IC1504 UPC4570G2 PRE-AMP. 5 6 7 8 VSX-C300 IC1306, IC1402-IC1405 NJM4558MD IC1401 TC9164AF MIX AMP. A F FRONT INPUT ASSY (3/3) PHONES B IC1501 M62446FP ELECTRIC VOLUME C J POWER ASSY (3/3) D 9 5 6 7 8
Service Manual
Page 28
... SAME TYPE NO. 491001 MFD, BY LITTELFUSE INK. 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)... (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. 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 -...
... SAME TYPE NO. 491001 MFD, BY LITTELFUSE INK. 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)... (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. 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 -...
Service Manual
Page 52
... been detected, AMUTE is on , RELAY is off, and the "AMP ERR" display is flashing. ↓ Does the abnormality continue for 5 seconds or more ? ↓ Yes Power is turned off . ↓ No (recovery) The program restarts from the abnormality, the "OVERLOAD" display continues flashing. 52 VSX-C300 7.1.2 Protection of the fan and thermistor.
... been detected, AMUTE is on , RELAY is off, and the "AMP ERR" display is flashing. ↓ Does the abnormality continue for 5 seconds or more ? ↓ Yes Power is turned off . ↓ No (recovery) The program restarts from the abnormality, the "OVERLOAD" display continues flashing. 52 VSX-C300 7.1.2 Protection of the fan and thermistor.
Service Manual
Page 54
... of the detection, speaker settings are read every 2 ms, and if the same results (less or more than 100 kΩ POWER AMP Check signal from the phono jack with a switch is read every 1 ms, and if the same results are obtained, the detection result... or not. Once the user's settings are made, those settings have priority over the user's settings until new user's settings are made . 5. VSX-C300 7.1.4 Specifications of the center speaker > The microcomputer sends a detection signal and after the power is considered correct. Detection circuit for the detected speakers ...
... of the detection, speaker settings are read every 2 ms, and if the same results (less or more than 100 kΩ POWER AMP Check signal from the phono jack with a switch is read every 1 ms, and if the same results are obtained, the detection result... or not. Once the user's settings are made, those settings have priority over the user's settings until new user's settings are made . 5. VSX-C300 7.1.4 Specifications of the center speaker > The microcomputer sends a detection signal and after the power is considered correct. Detection circuit for the detected speakers ...