4-3.Power Pcb - Daewoo DLT-26C2 Service Manual

Description of Each Block

4-3.Power PCB

4-3-1.Power Spec
-Rating:180V ~ 264V
-Regulating Method:
-Input Frequency : 50/60Hz
-Inrush Current : Below 80A at AC 230V
-Output Voltage and Current are shown below
26" & 32"
Output
Board
Voltage
+29Vdc
+24Vdc
+12Vdc
DEP
+ 5Vdc
ST+5Vdc
37"
Output
Board
Voltage
+29Vdc
+24Vdc
+12Vdc
DEP
+ 5Vdc
ST+5Vdc
-Ripple and Noise
Output
Minimum
Name
Output Voltage
+29V +27.0Vdc
+24V +22.3Vdc
+12V +11.0Vdc
+ 5V +4.75Vdc
ST+5V +4.75Vdc
Minimum Maxmum
Output Output
Voltage Voltage
+27.0Vdc
+32.0Vdc
+22.3Vdc
+25.4Vdc
+11.0Vdc
+12.0Vdc
+4.75Vdc
+5.25Vdc
+4.75Vdc
+5.25Vdc
Minimum Maxmum
Output Output
Voltage Voltage
+27.0Vdc
+32.0Vdc
+22.3Vdc
+25.4Vdc
+11.0Vdc
+12.0Vdc
+4.75Vdc
+5.25Vdc
+4.75Vdc
+5.25Vdc
Output Valtage
Maxmum
Output Voltage
+32.0Vdc
+25.4Vdc
+12.0Vdc
+5.25Vdc
+5.25Vdc
Other Lines
Output Current
MIN NOR
0.1A 0.5A
0.3A 5.2A
0.3A 1.2A
0.1A 1.5A
0.1A 0.2A
Output Current
MIN NOR
0.1A 0.5A
0.3A 5.6A
0.3A 1.2A
0.1A 1.5A
0.1A 0.2A
AC ripple, switching ripple
and noise
Continuous
500mVp-p
500mVp-p
Don't Care
-21-
Condition
MAX
0.7A
6.0A
PWR-CTL
ON
2.0A
2.0A
PWR-CTL
0.3A
OFF
Condition
MAX
0.7A
6.5A
PWR-CTL
ON
2.0A
2.0A
PWR-CTL
0.3A
OFF
Condition
PWR-CTR
ON
MAX LOAD
PWR-CTL
OFF