Read LG 19LV2500-ZG / 19LV250A-ZG / 19LV250N-ZG / 19LV250U-ZG (CHASSIS:LD01R) Service Manual online
THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
C507
22uF
10V
22uF
10V
+3.3V_FRC
R503
3.3K
1%
C5058
1uF
10V
+1.26V_FRC
C508
22uF
10V
22uF
10V
R504
3.9K
1%
L502
3.6uH
NR8040T3R6N
C506
100pF
50V
OPT
R505
12K
1%
R502
10K
C503
0.1uF
0.1uF
L501
CIC21J501NE
0.1uF
C516
16V
C520
10uF
16V
R514
1K
1%
1uF
C517
10V
+3.3V_FRC
+1.5V_FRC_DDR_M
R512
4.3K
1%
C519
10uF
16V
R513
3.9K
1%
C515
10uF
16V
C518
560pF
50V
R511
10K
10K
C504
3300pF
R501
20K
IC503
AP7173-SPG-13 HF(DIODES)
EAN41406705
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
C501
10uF
25V
10uF
25V
C502
10uF
25V
10uF
25V
VLCD_POWER
(+12V)
L503
BLM18PG121SN1D
C510
2200pF
C512
100pF
50V
OPT
OPT
R506
12K
5%
5%
L504
3.6uH
NR8040T3R6N
IC502
AOZ1073AIL-3
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
+3.3V_FRC
VLCD_POWER
(+12V)
VLCD_POWER
(+12V)
R507
10K
R509
4.3K
1%
R508
27K
1%
R510
10K
1%
IC501
AOZ1073AIL-3
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C252
10uF
16V
0.1uF
C522
16V
R518
1K
1%
1uF
C523
10V
R515
10K
10K
R517
3.9K
1%
C521
10uF
16V
C256
10uF
16V
+3.3V_FRC
+1.5V_FRC_DDR_S
C524
560pF
50V
R516
4.3K
1%
IC504
AP7173-SPG-13 HF(DIODES)
EAN41406705
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
C509
10uF
25V
10uF
25V
C511
1uF
25V
1uF
25V
C514
22uF
10V
22uF
10V
C513
22uF
10V
22uF
10V
URSA5 Power Block
05
MStar URSA5
Vout=(1+R1/R2)*0.8
TYPICAL 980mA
R1
R2
CORE +1.26V_FRC
Placed on SMD-TOP
3A
Vout=0.6*(1+R1/R2)
R1
+1.5V of DDR&URSA5 uses same power line
TYPICAL 350mA
R2
+1.5V_FRC (MASTER)
Switching freq: 500K
MAX 1A
Vout=0.8*(1+R1/R2)
R2
3A
Placed on SMD-TOP
+3.3V_FRC
R1
Vout=0.6*(1+R1/R2)
R2
+1.5V of DDR&URSA5 uses same power line
R1
+1.5V_FRC (SLAVE)
TYPICAL 350mA
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