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LC
-
32DH57E-BK/RU-BK/S-BK
4 – 2
Power supply (troubleshooting): A power supply does not come to each main circuit/IC. (1)
The power supply of TUNER (TU1102) does not operate.
(IF5V)
Checklist
1) The check of the front page POW-UNIT is completed.
•••
UR12.5V is output to PD (P9601) (MAIN-UNIT).
(If UR12.5V is not output, confirm the POW-UNIT again and repair.)
2) Check that STB3.3V is supplied to pin (V24) of IC3303 (included MICON), and the PS_ON signal “H” is output from (AC11) pin within a MAIN
UNIT.
(If STB3.3V is not supplied, check IC9605 (BU3.3V-REG), IC9607 (V-DET), and a peripheral circuit.)
3) Refer to attached sheet SYSTEM Block diagram.
4) Attention: The terminal of IC3303 (VCT) cannot be actually checked by hiding oneself, and check it with another terminal of the same line,
please.
Is IF5V supplied to pin (3) of TUNER (TU1102)?
YES
Check the soldering of TUNER (TU1102), confirm I2C-LINE or
exchange it.
NO
Is D5V output from pin (3) of IC9608 (D5V-REG)?
YES
Check the soldering of Q1105 and TUNER (TU1102).
NO
Is UR12.5V supplied to pin (2) of IC9608 (REG)?
NO
Check the pin (1) (2) of connector PD (P9601).
YES
Check whether D_POW “H” signal is input to pin (7) of IC9608?
YES
Check soldering IC9608 (D5V-REG) or exchange it.
NO
Check whether PS-ON “H” signal is input to pin (2) of IC3305?
YES
Check soldering IC3305 (V-DET) or exchange it.
NO
Check whether PS-ON “H” signal is outputted from pin (AC11) of
IC3303.
Содержание LC-32DH57E-BK
Страница 60: ...LC 32DH57E BK RU BK S BK 5 4 2 2 IC1302 VHiMT8292N 1Y 2 2 1 Block Diagram ...
Страница 71: ...LC 32DH57E BK RU BK S BK 5 15 2 10 IC8401 RH iXC721WJQZQ 2 10 1 Block Diagram ...
Страница 80: ...LC 32DH57E BK RU BK S BK 5 24 M E M O ...
Страница 94: ...LC 32DH57E BK RU BK S BK 8 3 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 2 ...
Страница 95: ...LC 32DH57E BK RU BK S BK 8 4 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 3 ...
Страница 96: ...LC 32DH57E BK RU BK S BK 8 5 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 4 ...
Страница 97: ...LC 32DH57E BK RU BK S BK 8 6 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 5 ...
Страница 98: ...LC 32DH57E BK RU BK S BK 8 7 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 6 ...
Страница 99: ...LC 32DH57E BK RU BK S BK 8 8 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 7 ...
Страница 100: ...LC 32DH57E BK RU BK S BK 8 9 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 8 ...
Страница 101: ...LC 32DH57E BK RU BK S BK 8 10 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 9 ...
Страница 102: ...LC 32DH57E BK RU BK S BK 8 11 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 10 ...
Страница 103: ...LC 32DH57E BK RU BK S BK 8 12 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 LED Unit ...
Страница 104: ...LC 32DH57E BK RU BK S BK 8 13 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 KEY Unit ...
Страница 129: ...LC 32DH57E BK RU BK S BK 23 9 LCD PANEL MODULE 1 2 6 4 7 3 8 5 9 11 14 18 15 24 22 16 21 25 17 20 19 23 26 12 13 10 ...
Страница 132: ...LC 32DH57E BK RU BK S BK 26 11 PACKING PARTS NOT REPLACEMENT ITEM S8 S7 S4 S6 S9 S2 S3 S1 S7 S10 S7 S7 S5 ...