35
LC-26GA5E
LC-32GA5E
LC-37GA5E
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
No audio output (1) (On the reception of TV broadcasting)
No audio output on the reception of
UHF/VHF
.
Confirmation of the settings:
1) Is volume of REMOCON set to MIN or MUTE?
… Set to any value.
2)
Are headphones connected to HEADPHONE (J402)?
… Disconnect.
3) Is
ANT
-CABLE disconnected or is there a connection error?
… Connect according to the operation manual.
4) Is "VOLUME" in MENU-SOUND-LEVELS-SPEAKERS-VOLUME set to
"MIN=0"? … Set to the desired value between
"0-100".
Are audio signals (SPL/R) sent from the
pins (123)(124) of IC1001 (VCTI)?
Are audio signals of the pins (1)(7) of
IC1351 sent normally?
Are audio input signals of the pins (1
1
)(15)
of IC1301 (AUDIO-AMP-IC) normal?
Are audio output signals of the pins
(28)(31)/(24)(27) of IC1301 (AUDIO-AMP-
IC) normal?
Check the connector (P1301) and the left
and right SP-boxes.
Check IC1351 or its peripheral
circuits.
Check the HEADPHONE JACK
(J402) or its peripheral circuits.
Check IC1301 and its peripheral
circuits.
Are IF signals (IF+/IF-) sent
to the pins
(109)(1
10) of IC1001 (VCTI)?
Is IF signal sent from the pin (1
1
) of
TUNER (TU1201)?
Check if power of 33V/5V is supplied to
the pins (9)/(7) of
TUNER (TU1201). Or
check its peripheral parts.
Check if +8V
, +5V
and +3.3V are supplied
to the pins (126), (106) and (105) of
IC1001respectively
. Or check its
peripheral circuits.
Check SF1201 and its peripheral circuits.
Troubleshooting Table (continued)
Содержание AQUOS LC-37GA5E
Страница 49: ...49 LC 37GA5E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A BLOCK DIAGRAMS Block Diagram ...
Страница 50: ...50 LC 37GA5E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A BLOCK DIAGRAMS Power Block Diagram ...
Страница 122: ...122 LC 26GA5E LC 32GA5E LC 37GA5E Notes ...
Страница 123: ...123 LC 26GA5E LC 32GA5E LC 37GA5E Notes ...
