Main Schematic - Daewoo LX32L1 Series Service Manual

Schematic

3) MAIN Schematic

1
A
+12V +5Vpanel +5V
C4 C5 C6
CN2
10 +12V
9 GND
8 +5V
7 +5V
6 +5Vpanel
5 +5Vpanel
4 GND GND
3 GND
2 POWER ON/OFF
1 +5V_STB
B
10PIN-2.54-D-H-G
R9
Q3
R10
R12
PDP_I/O
R13
Q5
R15
Power_ ON
510ohm-0402-±5%-1/16W
PMBT3906
10Kohm-0402-±5%-1/16W
4K7ohm-0402-±5%-1/16W
D-MMBT3904-7-F
10Kohm-0402-±5%-1/16W
10Kohm-0402-±5%-1/16W
C
H1 H2 H3 H4
Location hole Location hole Location hole Location hole
M1 M2 M3 M4 M5
MARK MARK MARK MARK MARK
D
1
All manuals and user guides at all-guides.com
2 3
POWER ON/OFF +5V_STB
C7 C8 0.1uF-0402-Y5V-+80%-20%-25V
+ E17 0.1uF-0402-Y5V-+80%-20%-25V
0.1uF-0402-Y5V-+80%-20%-25V
0.1uF-0402-Y5V-+80%-20%-25V
0.1uF-0402-Y5V-+80%-20%-25V
470uF-16V-±20%-8*12 105 ℃
E16
100uF-16V-±20%-6*7 105 ℃
Q21
+5V_STB +5V
PDP_I/O
A03401
1uF-0603-Y5V-+80%-20%-10V
0.1uF-0402-Y5V-+80%-20%-16V
NC/0.1uF-0402-Y5V-+80%-20%-16V
Power_ ON
100uF-16V-±20%-6*7 105 ℃
0.1uF-0402-Y5V-+80%-20%-25V
100Kohm-0402-±5%-1/16W
NC/10Kohm-0402-±5%-1/16W
0.01uF-0402-Y5V-+80%-20%-25V
NC/100pF-0402-NPO-±5%-50V
0.01uF-0402-X7R-±10%-50V
2K2ohm-0402-±5%-1/16W
P1
22.5*22*6(
GND
2 3
4 5
U1
AZ1117H-3.3(TR)E1 +3.3V_STB
+5V_STB 3 2
VI VO
E1
C1
E2
4 C9 NC/100uF-16V-±20%-6*7 105 ℃
VO
C3 0.1uF-0402-Y5V-+80%-20%-25V
0.1uF-0402-Y5V-+80%-20%-25V
100uF-16V-±20%-6*7 105 ℃
10uF-0805-X5R-±10%-6.3V
U2
AZ1117H-3.3(TR)E1 +3.3V
+5V 3 2
VI VO
C10
4
VO
C12 0.1uF-0402-Y5V-+80%-20%-25V
0.1uF-0402-Y5V-+80%-20%-25V
U3 AVDD_DDR_2.5V_
+5V AZ1117H-ADJ(TR)E1
3 2
VI VO
C13
C15
4 E4 +
VO
C16
Vref=1.25V R8
C17
91ohm-0402-±1%-1/16W
R11 100ohm-0402-±1%-1/16W
470uF-16V-±20%-8*12 105 ℃
0.1uF-0402-Y5V-+80%-20%-16V
C 1 8 C19 0 0 . 1 u F 0 - 4 0 2 Y - 5 V + - 8 0 % 2 - 0 % 2 - 5 V
0.01uF-0402-X7R-±10%-50V
DR2W4*5.5-10uH
U4 5K1ohm-0402-±1%-1/16W
12Kohm-0402-±1%-1/16W
+5V 2 3 BS L2
IN SW
E5 C21
+1.2V_VDDC
7 AIC2857
EN
5
FB
R24
GND
+
E6 C23 C26 C28
R25
+5V R27
R28
C29 C30
C33 470uF-16V-±20%-8*12 105 ℃
10uF-0805-X5R-±10%-6.3V
GND 0.1uF-0402-Y5V-+80%-20%-25V
R32 NC/10uF-0805-Y5V-+80%-20%-10V
4 5
-25-
6 7
+5V
NC/510ohm-0402-±5%-1/16W
R1 PDP Interface
NC/68Kohm-0402-±5%-1/16W
0ohm-0402-±5%-1/16W
NC/D-MMBT3904-7-F
NC/510ohm-0402-±5%-1/16W
R2
NC/4K7ohm-0402-±5%-1/16W PDP_I/O
NC/D-MMBT3904-7-F
NC/0ohm-0402-±5%-1/16W
R3
BL_ON
Q1
1
RLY 2
Vs_ON_LG 3
R4
Vs_ON_S 4
GND 5
R5
NC/5PIN-2.0-D-H-G
+5V
Q2
R7
BL_ADJ
+5V_STB 10Kohm-0402-±5%-1/16W
+5V 510ohm-0402-±5%-1/16W
33ohm-0402-±5%-1/16W
510ohm-0402-±5%-1/16W
R17 R19 D-MMBT3904-7-F
NC/10Kohm-0402-±5%-1/16W
0.1uF-0402-Y5V-+80%-20%-25V
R20
MGGB1005M301HT-LF
MGGB1005M301HT-LF
R21
BL_ON C20 +12V
Q6
R22
BL ON/RLY
ADJ/Vs_ON
L3
L4
6PIN-2.0-D-H-
R26
+5V
CN4
R29
R30
12V
PVCC
C31
5V
C32
Q7
BL_ADJ R31 3PIN-2.54-D-H-M
10Kohm-0402-±5%-1/16W
D-MMBT3904-7-F
1Kohm-0402-±5%-1/16W
510ohm-0402-±5%-1/16W
1uF-0603-Y5V-+80%-20%-10V
0.1uF-0402-Y5V-+80%-20%-25V
NC/10Kohm-0402-±5%-1/16W
NC/4K7ohm-0402-±5%-1/16W +3.3V_STB PVCC
NC/0ohm-1206-±5%-1/4W R33
4K7ohm-0402-±5%-1/16W
Q8
R34 VCC-Panel
NC/510ohm-0402-±5%-1/16W R35
+
+3.3V 100Kohm-0402-±5%-1/16W E7 C35
3K3ohm-0402-±5%-1/16W
R36
D-MMBT3904-7-F
2K2ohm-0402-±5%-1/16W
R37 A03407
Display 100uF-25V-±20%-6*7.0-105 ℃
R38 Q9
P_panel 0.1uF-0402-Y5V-+80%-20%-25V GND
R39
GND
6 7
8
A
CN1
B
CN3
1
2
3
4
5
6
-G
3 +12V
2 PVCC
1 +5Vpanel
C
D
8