Read LG 32LD660 / 32LD665H (CHASSIS:LA05C) Service Manual online
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.
0.01uF
25V
C1637
100K
R1605
10K
SEMTECH
R1602
10K
1%
R1630
MP2108DQ
EAN60991601
DEV
IC1606
3
LX
2
VIN
4
PGND
1
BST
5
SGND
6
SS
7
FB
8
COMP
9
VREF
10
RUN
10K
BCD
R1603
0 . 1 u F
C1643
18K
1%
1%
SEMTECH
R1604
100pF
50V
OPT
C1641
+5V_DEVICE
MLB-201209-0120P-N2
L1601
0 . 1 u F
C1607
10
R1610
MLB-201209-0120P-N2
L1613
10K
BCD
R1601
0 . 0 1 u F
25V
25V
C1638
30K
1%
R1624
XMARK_1.8V
AZ1117BH-1.8TRE1
I C 1 6 0 5 - * 2
BCD
2
OUT
3
IN
1
ADJ/GND
+3.5V
+3.3V
4.7K
1%
1%
BCD
R1604-*1
0 . 1 u F
16V
16V
C1610
OPT
15K
1% BCD
1% BCD
R1606-*1
+1.2V_BCM_EN
5:N17
0 . 1 u F
OPT
C1604
0 . 1 u F
C1611
OPT
1/10W
10K
1%
R1629
0 . 1 u F
16V
16V
C1628
OPT
0 . 1 u F
C1626
SC4215ISTRT
IC1602-*1
SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
2uH
L1602
0 . 0 1 u F
25V
25V
C1640
+A_1.2V
+2.5V
910K
1%
1%
R1626
0 . 1 u F
C1616
0 . 1 u F
OPT
C1603
BLM18PG121SN1D
L1604
XMARK
THERMAL
AP2132MP-2.5TRG1
BCD
IC1602
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[ E P ]
47K
R1625
3300pF
50V
DEV
C1639
39K
1%SEMTECH
1%SEMTECH
R1606
0 . 1 u F
16V
C1635
+D_1.2V
NR8040T3R6N
3.6uH
L1615
AP1117E18G-13
I C 1 6 0 5 - * 1
DIODES
2
OUT
3
IN
1
ADJ/GND
+3.5V_ST
0
R1614
MLB-201209-0120P-N2
L1600
BLM18PG121SN1D
L1605
+3.5V
10K
R1628
0 . 1 u F
C1608
470K
1%
R1615
MAIN_PWR_ON
5 : N 1 8 ; 4 : B 2 6
0 . 1 u F
C1602
THERMAL
MP2208DL-LF-Z
EAN60911601
DEV
IC1603
3
PGND_1
2
SS
4
SW_1
1
AGND
6
NC
5
IN_1
7
BS
8
VCC
9
POK
10
IN_2
11
SW_2
12
PGND_2
13
EN/SYNC
14
FB
15
EP
0
R1623
NFM18PS105R0J
6.3V
C1612
OUT
IN
GND
AZ1117H-1.8TRE1(EH13A)
IC1605
AAC
2
OUTPUT
3
INPUT
1
ADJ/GND
C1614
OUT
IN
GND
+3.5V_ST
+D_1.8V
6.8K
R1627
GND
+1.8V_DDR
10K
R1621
10uF
6.3V
C1601
22uF
6.3V
C1606
1uF
6.3V
6.3V
C1617
22uF
6.3V
C1633
22uF
6.3V
6.3V
C1636
22uF
6.3V
C1630
22uF
6.3V
C1642
22uF
6.3V
C1634
22uF
C1620
OPT
22uF
6.3V
6.3V
C1613
22uF
6.3V
6.3V
C1632
120-ohm
BCD
L1603
BLM18PG121SN1D
L1614
10uF
6.3V
C1605
OPT
22uF
6.3V
6.3V
C1609
POWER_ST5V
16
18
32/37/42LD660H
2 0 1 0 . 1 2 . 1 3
R1
VOUT : 2.533V
R2
Vout=0.9*(1+R1/R2)
A2.5V
Placed on SMD-TOP
S C 4 2 1 5 V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
1.8V_DDR_BCM3549P
* D_1.8V
CLOSE TO LG1001
* +1.8V_DDR for DDR/ BCM3549
3A
V o u t = 0 . 8 * ( 1 + R 1 / R 2 )
R e p l a c e d P a r t
Placed on SMD-TOP
R1
R2
R1
Max 1100 mA
B C M c o r e 1 . 2 V v o l t
R2
AP2132 Vout=0.6*(1+R1/R2)
MAX 3.1A
VOUT : 2.566V
C IN
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