2008-03-14
LC-32SH25E
31
The audio signal is not output (4)
↓
No audio signal output from SPDIF_OUTPUT terminal.
TEREMINAL UNIT:
↓
↓
NO
The audio signal is not output (5)
↓
No sound from HEADPHONE_OUTPUT terminal.
MINI AV_UNIT:
↓
↓
YES
↓
YES
↓
YES
Check IC U400 and its peripheral circuits.
Is ASPDIF audio signal output from pin (E26) of IC U400 to pin (6)
of connector CN553?
YES
Check the connection to SPDIF_OUT and external devices.
Is the audio signal output from IC U605 to pin(2) (HPOUTL) and pin
(3) (HPOUTR) of headphone terminal CN602?
Is the HPDET signal input into pin (AA5) of IC U400 from pin (7) of
a headphone terminal (CN602)?
NO
Check the connection to CN602 and external headphone is plug
in well.
NO
Check the line between IC U605 and CN602.
Check IC U400 and its peripheral circuits.
Is the audio signal output from IC U400 pin(J26)(AL1) and pin(J25)
(AR1) sent to pin(24)(INPUT0L) and pin(23)(INPUT0R) of IC U605?
NO
Check the line between IC U400 and IC U605.
Содержание LC-32SH25E
Страница 10: ...LC 32SH25E 10 3 DIMENSIONS ...
Страница 24: ...LC 32SH25E 24 6 Push Upgrade button Waiting for Finished message Press 確定 button 7 Mainboard Power Off Æ On ...
Страница 46: ...LC 32SH25E 46 ...
Страница 57: ...2008 03 14 LC 32SH25E 57 2 9 2 Pin Connections and short description ...
Страница 58: ...LC 32SH25E 58 ...
Страница 59: ...LC 32SH25E 59 CHAPTER 6 BLOCK DIAGRAM WIRING DIAGRAM 1 VIDEO AUDIO BLOCK DIAGRAM ...
Страница 60: ...LC 32SH25E 60 2 POWER MANAGEMENT BLOCK DIAGRAM ...
Страница 61: ...2008 03 14 LC 32SH25E 61 3 I2C and RS232 BLOCK DIAGRAM ...
Страница 62: ...LC 32SH25E 62 4 WIRING DIAGRAM ...
Страница 63: ...2008 03 14 LC 32SH25E 63 CHAPTER 7 PRINTED WIRING BOARD 1 MAIN UNIT PRINTED WIRING BOARD MAIN UNIT Side A ...
Страница 64: ...LC 32SH25E 64 MAIN UNIT Side B ...
Страница 65: ...2008 03 14 LC 32SH25E 65 2 POWER UNIT PRINTED WIRING BOARD POWER UNIT Side A ...
Страница 66: ...LC 32SH25E 66 POWER UNIT Side B ...
Страница 67: ...2008 03 14 LC 32SH25E 67 3 KEY UNIT PRINTED WIRING BOARD KEY UNIT Side A KEY UNIT Side B ...
Страница 68: ...LC 32SH25E 68 4 IR UNIT PRINTED WIRING BOARD IR UNIT Side A IR UNIT Side B ...
Страница 108: ...LC 32SH25E 108 2 CABINET PARTS LC 32SH25E ...
Страница 111: ...2008 03 14 LC 32SH25E 111 4 PACKING PARTS ...