Service Manual
Page 1
... » DIMENSIONS ...8 » REMOVING OF MAJOR PARTS ...9 » ADJUSTING PROCEDURE OF EACH SECTION 12 » PUBLIC MODE SETTING PROCEDURE 22 » TROUBLESHOOTING TABLE ...27 » MAJOR IC INFORMATIONS ...30 » BLOCK DIAGRAM ...32 » OVERALL WIRING DIAGRAM ...34 » DESCRIPTION OF SCHEMATIC DIAGRAM 36 ... PACKING OF THE SET ...91 This document has been published to be used for after sales service only. LC-15AV6U N46A5LC15AV6U LCD COLOR TELEVISION MODEL LC-15AV6U In the interests of user-safety (Required by safety regulations in some countries) the set should be restored ...
... » DIMENSIONS ...8 » REMOVING OF MAJOR PARTS ...9 » ADJUSTING PROCEDURE OF EACH SECTION 12 » PUBLIC MODE SETTING PROCEDURE 22 » TROUBLESHOOTING TABLE ...27 » MAJOR IC INFORMATIONS ...30 » BLOCK DIAGRAM ...32 » OVERALL WIRING DIAGRAM ...34 » DESCRIPTION OF SCHEMATIC DIAGRAM 36 ... PACKING OF THE SET ...91 This document has been published to be used for after sales service only. LC-15AV6U N46A5LC15AV6U LCD COLOR TELEVISION MODEL LC-15AV6U In the interests of user-safety (Required by safety regulations in some countries) the set should be restored ...
Service Manual
Page 27
... normal? LC-15AV6U AnRdebme fouvncetioFn7?701 and check the load side. Is there any short-circuit in periphery? No Replace F7701. Replace F7701. No fluorescent lamp light-up Are F6700 and F6702 as specified. Yes Check IC7701/T7702 and its peripheral parts. Is the pin (187) of IC801 in the "L" state? TROUBLESHOOTING TABLE...
... normal? LC-15AV6U AnRdebme fouvncetioFn7?701 and check the load side. Is there any short-circuit in periphery? No Replace F7701. Replace F7701. No fluorescent lamp light-up Are F6700 and F6702 as specified. Yes Check IC7701/T7702 and its peripheral parts. Is the pin (187) of IC801 in the "L" state? TROUBLESHOOTING TABLE...
Service Manual
Page 28
... Check the line in question. Check IC801 and its peripheral circuits. LC-15AV6U No video output No video output at all No TV, video 1 and 2 output No TV output No video 1 output No video 2 output No S video output No component output TROUBLESHOOTING TABLE (Continued) Make sure the microprocessor's adjustment process menu settings are...
... Check the line in question. Check IC801 and its peripheral circuits. LC-15AV6U No video output No video output at all No TV, video 1 and 2 output No TV output No video 1 output No video 2 output No S video output No component output TROUBLESHOOTING TABLE (Continued) Make sure the microprocessor's adjustment process menu settings are...
Service Manual
Page 29
...: 1 No TV sound: check Q3411, Q3412 and TU3401, and their peripheral circuits, B3.3V1.2A line, and +3.3V input line of IC3301. No Audio Output TROUBLESHOOTING TABLE (Continued) No sound from right and left speakers Is there the lack of IC1301. Yes Check the following and check again: No 1 Go to...) (Lch) of IC1301? Are the audio signal outputs at pins (27) (Rch) No and (28) (Lch) of IC1301? Yes Check IC1301 and its peripheral circuits. LC-15AV6U
...: 1 No TV sound: check Q3411, Q3412 and TU3401, and their peripheral circuits, B3.3V1.2A line, and +3.3V input line of IC3301. No Audio Output TROUBLESHOOTING TABLE (Continued) No sound from right and left speakers Is there the lack of IC1301. Yes Check the following and check again: No 1 Go to...) (Lch) of IC1301? Are the audio signal outputs at pins (27) (Rch) No and (28) (Lch) of IC1301? Yes Check IC1301 and its peripheral circuits. LC-15AV6U