Power Pcb - Daewoo DP-42SM Service Manual

Description Of Each BLOCK

4-2. POWER PCB

<Input requirements>
Nominal Input Voltage : AC100V to AC240V (Variation Range - AC85V to AC276V)
Single-Phase full wave
Regulation Method : Transistor Switching Method
Input Frequency : 50~60Hz (Variation range 45Hz to 66Hz)
Inrush Current : 50A zero-peak max at AC264V
Output Voltage is as follows.
No. Output
Name
1 Vsus
2 Vadd
3 V1
4 V3
(SOUND)
5 V4
6 V5
7 Vstb
Connector
Connector number
Model name
Maker
The number of pins
1
2
3
4
Pin
5
number
6
7
8
9
10
Nominal Variable
Voltage range
(V) (V)
190 180-195
60 50-80
5.1 -
17 -
-17 -
5.0 -
12 -
5 -
P2
GP390-10P-TS
LG Cable
10
Vsus 190V
Vsus 190V
Vsus 190V
NC
G
G
G
G
NC
NC
Voltage Nominal
accuracy current
*1 (A)
5V 1.3
2V 1
5% 2.5
5% 1
5% 1
5% 1.5
5% 0.6
5% 1.5
P3
1-1123723-8
AMP
8
Vsus 190V
Vsus 190V
NC
G
G
Vadd 60V
G
V1 5.1V
-16-
Load current Ripple/Noise
range (mVp-p)*2
(A)
0.1~1.3 1000/500
0.1~1 250/500
0.1~3 50/100
0~1 50/100
0~1 50/100
0.1~1.5 50/100
0~1 50/100
0~1.5 100/100
P6
GP390-04P-TS
LG Cable
4
G
G
V1 5.1V
V1 5.1V