37
First
ˈ
check cables which connect with PSU
ˈ
then check as follows
1) Check input voltage as NO picture
2) Check speaker output
First, check speaker anode (+) and cathode (-),confirm speaker short or not. If short , replace speaker.
Second, check CN2, CN3 with oscillograph, confirm wave output or not.
Connector: CN2, CN3
10.2 PSU failure check
State: No power
First, check cables which connect with PSU, then check as follows
1) Check PSU input voltage
˄
AC input
˅
voltage :
̚
120V
connector:CON1
˄
P1,P5
˅
2
˅
Check PSU output voltage orderly
˖
voltage :+5V(Stand-By)
ĺ
ON
˄
5.0V
˅
ĺ
+24V ,+12V
connector:CON4
˄
3
˅
ĺ
CON4
˄
1
˅
ĺ
CON4
˄
6,7
˅
,CON2
˄
1-4
˅
State
˖
No sound
10.3 Panel failure
Содержание NS-LCD40HD-09
Страница 1: ...1 NS LCD40HD 09 Chassis ZORAN780 T V ...
Страница 3: ...3 1 Warning ...
Страница 15: ...15 ...
Страница 16: ...16 ...
Страница 17: ...17 ...
Страница 18: ...18 4 2 HDMI CINNECTIONS When the source device DVD player or Set Top Box supports HDMI ...
Страница 20: ...20 5 OPERATION INSTRUCTIONS 5 1 Front panel controls 5 2 Back panel controls ...
Страница 29: ...29 3 Auto Color 4 Recall PQ settings 5 SW L_2780_SS40 071227 ...
Страница 30: ...30 6 Aging Mode ...
Страница 31: ...31 8 BLOCK DIAGRAM AND CIRCUIT DIAGRAM 8 1 BLOCK DIAGRAM 8 2 CIRCUIT DIAGRA ...
Страница 53: ......
Страница 54: ...33 10 TROUBLE SHOOTING GUIDE 10 1 Simple check 10 1 1 LCD is not bright 10 1 2 No picture ...
Страница 56: ...35 CN4 CN5 10 1 3 No sound ...