34
First, check cables which connect with PSU
ˈ
then check as follows
1) Check input voltage
voltage: +5VSB
ĺ
POWER ON(5V)
ĺ
+12V
ĺ
5V
connector: CN4(P1)
ĺ
CN4(P13)
ĺ
CN5(P1,P2,P3)
ĺ
CN4(P2,P3,P4,P5)
ĺ
CN4(P12)
ĺ
CON4(P14)
2)Check output voltage
voltage: Vblon
ĺ
+5V
ĺ
Vipwm
connector: CN4(P12)
ĺ
J28(P26-P30)
ĺ
CON4(P14)
CN4 CN5
ON
-
2.0
-
5.0
V
On/Off Control
Voltage
OFF
VBLON
-
0
-
0.8
V
MAX
3.0
3.15
3.3
V
Maximun duty ratio
Internal PWM
Control Voltage
MIN
VIPWM VSEL=L
0
-
V
Minimum duty ratio
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 ...