-45-
No sound
Please check as follows:
1. Check the connecting wire of speaker.
2. Check the speaker.
Check IC1202 has audio output.
Check if the voltage of L5007 reaches to11V?
Check Q5003/Q5002 and the peripheral circuit.
Yes
Yes
No
No
No
Check if pin 1/2, 43/44 of IC1202
has audio output
Check if pin 10/26 of IC1202 has
audio output
Check if pin 9 of IC1202 has
audio output
Troubleshooting
Содержание LC-WNS3200
Страница 1: ...LCD Multi media Projector Service Manual Model LC XNS2600 LC XNS3100 LC WNS3200 ...
Страница 26: ... 26 ...
Страница 33: ... 33 Main board test point FAN A FAN B FAN C SIG9002 SIG9001 TP9087 Electrical adjustment ...
Страница 47: ... 47 IC Block Diagrams HT24LC64 EEPROM IC1002 GM6155 5 0ST25R Power Management IC4001 ...
Страница 48: ... 48 IC Block Diagrams PIC16F1823 Sub CPU IC1801 SP3232E RS 232 Transceivers IC3002 ...
Страница 50: ... 50 TD5830B Power Management IC3120 IC3046 IC1010 TPF133 Video Filter Driver IC3503 IC Block Diagrams ...
Страница 51: ... 51 HT24LC02 EEPROM IC3501 IC3004 IC4002 SN74HC125PW H V shape control IC3502 IC Block Diagrams ...
Страница 53: ... 53 CXA3828GL LCD Driver IC9001 SI 3010KM Low Dropout Regulator IC3901 IC Block Diagrams ...
Страница 54: ... 54 KXSD9 G sensor IC1009 PW190 CPU IC1001 IC Block Diagrams ...
Страница 55: ... 55 IRM 3638T Remote control Receiver IC1901 TC7SH00FU 2 input NAND Gate IC3003 IC Block Diagrams ...
Страница 56: ... 56 CXD3551GG Gamma IC8001 CS4344 AUDIO DIGITAL TO ANALOG CONVERTER IC4005 IC Block Diagrams ...
Страница 57: ... 57 TC7WH125FUK Dual BUS Buffer IC3005 EL5306IUZ T7 Fixed Gain Amplifiers IC3012 IC Block Diagrams ...
Страница 58: ... 58 PT2830 Amplifier IC1202 IT6604 HDMI Signal Processor IC4003 IC Block Diagrams ...
Страница 59: ... 59 RCLAMP0524P Ultra Low Capacitance TVS Arrays IC4004 IC4006 IC Block Diagrams ...
Страница 69: ...69 MAIN SIDE A MAIN SIDE B Printed Wiring Board Diagrams ...
Страница 70: ...70 FILTER SIDE A KEY FILTER SIDE B RJ45 ...
Страница 71: ...71 FAN SIDE A FAN SIDE B POWER SIDE A POWER SIDE B ...