39
CHAPTER 4.TROUBLESHOOTING TABLE
[1]TROUBLE SHOOTING TABLE
YES
NO
TEREMINAL
The sound is not emitted from the speaker though the picture has come out.
No sound output in all models?
Is the audio signal output of pin (96)
(AOSDATA0), pin (95) (AOBCK), pin (94)
(AOLRCK) and pin (93) (AOMCLK) of IC
U2102 normal?
NO
YES
NO
YES
NO
YES
Check IC U2102 and its peripheral circuits.
Is audio signal input to pin (6) (AOSDATA0),
pin (7) (AOBCLK), pin (8) (AOLRCK) and
pin (5) (AOMCLK) of IC U6101 (AMP)?
Check the line between IC U2102 and IC
U6101.
Is MUTE circuit [YDA_MUTE] normal ?
Check the PD#. (R6130, Q6101, R6134, etc.)
Is the audio signal output of pin (1, 2) (L-ch)
and pin (3, 4) (R-ch) of CN6101
(AOUDIO-CONNECTOR) normal?
Check IC U6101 and its peripheral circuits.
Check Speaker Box (right and left) and wire
harness.
TEREMINAL
Содержание LC-32SV40U
Страница 1: ...SERVICE MANUAL LCD COLOR TELEVISION MODEL LC 32SV40U LC 42SV50U LC 46SV50U ...
Страница 3: ...2 ...
Страница 4: ...3 ...
Страница 9: ...8 LC 46SV50U ...
Страница 13: ...12 Fig 8 1 Remove the 4 screws and disconnect 4 cables Detach the Main board ASSY as Fig 9 ...
Страница 14: ...13 Fig 9 2 Remove the 5screws and 2 Cables Detach the Power board as Fig 10 ...
Страница 15: ...14 Fig 10 3 Detach the IR board as Fig 11 Fig 11 ...
Страница 16: ...15 4 Detach the Key Pad ASSY as Fig 12 Fig 12 5 Detach the Speakers as Fig 13 Fig 14 Fig 13 Fig 14 Pull ...
Страница 22: ...21 3 Detach the IR board as Fig 11 Fig 11 4 Remove the 2screws Detach the Key Pad ASSY as Fig 12 Fig 12 ...
Страница 29: ...28 Fig 10 2 Remove the 6screws and 2 Cables Detach the Power board as Fig 11 Fig 11 ...
Страница 32: ...31 Fig 17 4 Remove the 2 screws at the upside of panel as Fig 18 Fig 18 ...
Страница 63: ...62 3 WIRING DIAGRAM LC 32SV40U LC 42SV50U ...
Страница 64: ...63 LC 46SV50U ...
Страница 65: ...64 CHAPTER 7 PRINTED WIRING DIAGRAM 1 MAIN UNIT PRINTED WIRING BOARD LC 32SV40U LC 42SV50U LC 46SV50U TOP ...
Страница 66: ...65 BOTTOM ...
Страница 80: ...79 Fig 4 Fig 5 ...
Страница 84: ...83 Fig 4 ...
Страница 85: ...84 Fig 5 ...
Страница 97: ...96 2 CABINET PARTS LC 32SV40U CABINET PARTS ...
Страница 99: ...98 LC 42SV50U CABINET PARTS ...
Страница 101: ...100 LC 46SV50U CABINET PARTS ...
Страница 104: ...103 4 PACKING PARTS PACKING PARTS LC 32SV40U ...
Страница 106: ...105 LC 42SV50U PACKING PARTS ...
Страница 108: ...107 LC 46SV50U PACKING PARTS ...