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No Sound
Check IC5001 and peripheral circuit.
Check 9V_AUDIO, 16V power supply.
Check if the audio signal
is observed at pins 10 and
21 of IC5001.
Check audio output circuit.
Check speaker, connection of the terminal “K8F”
Yes
No
Check following steps.
Check IC5041, 9V_AUDIO and peripheral circuit.
Check the Mute signal at pin 7 of IC5041. The Mute signal is output from pin
201 of IC 301<Scaler>. The OUT_DET signal is sent from Audio Out terminal.
Mute-On: H at pin 201 of IC301, L at pin7 of IC5041
Check if the audio signal
is observed at pins 5 and
7 of IC5041.
Yes
No
Troubleshooting
Summary of Contents for XGA ULTRA SHORT-THROW PLC-XL51
Page 86: ... 86 IC Block Diagrams BA7078 Sync Separator IC5301 AN5870 Signal Switch IC5201 ...
Page 87: ... 87 FA5502 P F Control IC601 HIN202EIB RS 232C Driver IC3801 IC Block disgrams ...
Page 88: ... M62334 DAC For Fan Control IC3501 PW190 Scaler IC301 88 IC Block disgrams ...
Page 89: ... NJW1141 Audio Control IC5001 89 IC Block disgrams STR Z2156 Power OSC IC651 ...
Page 122: ... 122 Integrator Lens In L10 L03 Optical Parts Layout S7 S7 S7 S7 Relay Lens out ...
Page 123: ... 123 L04 L14 L05 L12 L15 L16 L09 L13 L13 L08 L06 L07 Optical Parts Layout Optical unit inside ...
Page 125: ... 125 ...
Page 126: ...SM5110989 00 PLC XL51 Sep 2008 DC 300 Printed in Japan SANYO Electric Co Ltd ...
Page 138: ...A12 SCH_KV7A NO DATA ...