No Sound
Check IC5001 and peripheral circuit.
Check 9V_AUDIO, 16V power supply.
Check if the audio sig-
nal 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 sig-
nal is observed at pins 5
and 7 of IC5041.
Yes
No
- 75 -
Troubleshooting
Содержание PLC-XE50
Страница 79: ... 79 IC Block Diagrams BA7078 Sync Separator IC5301 AN5870 Signal Switch IC5201 ...
Страница 80: ... FA5502 P F Control IC601 HIN202EIB RS 232C Driver IC3801 80 IC Block disgrams ...
Страница 81: ... L3E07110 LCD Driver Gamma Correction IC401 L3E06150 D A S H LCD Driver IC501 IC531 IC561 81 IC Block disgrams ...
Страница 82: ... L3E01060 Level Shift IC2501 IC2531 IC2561 M62334 DAC IC3501 82 IC Block disgrams ...
Страница 83: ... NJW1141 Audio Control IC5001 PW190 Scaler IC301 83 IC Block disgrams ...
Страница 84: ... STR Z2156 Power OSC IC651 84 IC Block disgrams ...
Страница 105: ...51 51 51 51 3 110 101 68 67 66 Red 114 Green 115 Blue 116 Polarized Grass 105 Mechanical Parts List ...
Страница 106: ...Integrator Lens In 109 102 106 Mechanical Parts List ...
Страница 107: ...103 113 104 111 117 118 108 112 112 107 105 106 107 Mechanical Parts List ...
Страница 109: ... 109 ...
Страница 110: ... 110 ...
Страница 111: ... 111 ...
Страница 112: ...SM5110899 00 PLC XE50 Nov 2007 DC 350 Printed in Japan ...