LG 32LS3150-TA, Service Manual

Page: 24 / 26

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.
POWER
PWM_DIM
INV_CTL_26INCH
0 R726
ADAPTER_NON_LED_DRIVER
C701
100uF
16V
NON_ADAPTER
JK700
JPD003N-M432-4F
ADAPTER
GND
SW
24V
C712
0.1uF
50V
ADAPTER
+3.5V_ST
C737
0.1uF
50V
R712
100
ADAPTER_NON_LED_DRIVER
IC704
AP1117EG-13
5V_LDO_DIODE
1
ADJ/GND
2
OUT
3
IN
Q732
AO3407A
G
D
S
R748
22K
R799
0
+3.5V_ST
R781
22
C714
0.01uF
50V
ADAPTER_NON_LED_DRIVER
R714
1K
NON_LED_DRIVER
Q702
2SC3052
RL_ON
E
B
C
P702
FM20020-24
NORMAL_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21 22
23 24
25
Q730
SI4124DY-T1-GE3(VISHAY)
3
S_3
2
S_2
4 G
1
S_1
5 D_1
6
D_2
7
D_3
8
D_4
R729 1K
110
R773
+1.2V_VDDC
C744
0.1uF
16V
+3.5V_ST
C736
10uF
10V
READY
C751
4.7uF
16V
READY
C727
2.2uF
50V
R721 0
POWER_22_A_DIM
C761
0.1uF
16V
RL_ON2
L730
MLB-201209-0120P-N2
ADAPTER
C742
10uF
6.3V
R722 0
POWER_20_A_DIM
P_24V
ERROR_OUT
0 R724
POWER_22_PWM_DIM
R734 100
ADAPTER_NON_LED_DRIVER
POWER_SW
R703
4.7K
RL_ON
PWM_DIM_LED_DRIVER
C777
10uF
10V
READY
INV_CTL_26INCH
C745
10uF
6.3V
C733
0.1uF
50V
R756
10K
100 R733
POWER_24_ERROR_OUT
P_24V
R784
68K
C772
0.1uF
50V
R741
4.7K
1%
C773
0.1uF
16V
IC705
AP1117EG-13
5V_LDO_DIODE
1
ADJ/GND
2
OUT
3
IN
C708
68uF
35V
READY
R796
6.8K
1%
R757
27K
+2.5V_M
IC707
MP4460DQ-LF-Z
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
11
EP_GND
R797
1.6K
1%
R710
100
POWER_18_INV_CTL
R720 0
POWER_18_A_DIM
Q731
MMBT3904(NXP)
E
B
C
C723
3.3uF
50V
IC708
MP8670DN-LF-Z
3
VCC
2
BST
4
BG
1
SW
5
GND
6
FB
7
EN/SYNC
8
IN
C722
0.01uF
50V
C781
0.1uF
16V
R742
1
R785
18K
R793
0
C731
3.3uF
50V
C752
0.1uF
16V
0.1uF
C702
16V
NON_ADAPTER
L771
3.6uH
NR8040T3R6N
+3.3V_M
L704
ADAPTER
120-ohm
R743
1
L770
500
PANEL_VCC
C788
10uF
25V
C735
22uF
16V
L790
4.7uH
SP-7850_4.7
RL_ON2
R708
0
NON_ADAPTER
R706
0
POWER_23_GND
C707
0.1uF
50V
C709
2.2uF
R763
10K
C770
10uF
25V
P705
SM14B-SRSS-TB
ADAPTER_NON_LED_DRIVER
1
24V
2
24V
3
24V
4
24V
5
24V
6
GND
7
GND
8
GND
9
GND
10
GND
11
ERROR_OUT
12
INV_ON
13
NC
14
PWM_DIM
15
GND
C743
10uF
10V
PANEL_ON
RL_ON2
L761
PANEL_12V
120-ohm
L731
CPI2520NHL3R3ME 2520
3.3uH
R747
10K
R702
10K
RL_ON
C740
10uF
10V
R776
330
0 R725
POWER_24_PWM_DIM
ERROR_OUT_26INCH
P703
SMAW200-H24S2
SLIM_32~52
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
SOUND_VCC
INV_ON
IC702
AP2114H-2.5TRG1
1
GND
2
VOUT
3
VIN
5V_TUNER
+3.5V_ST
C787
1uF 50V
0 R723
POWER_20_PWM_DIM
R749
2.2K
R777
10K
R711
100
POWER_24_INV_CTL
C721
2.2uF
50V
POWER_SW
R761
33K
R798
22
Q710
RSR025P03
Rohm
S D
G
Q711
2SC3052
E
B
C
R759
0
READY
SOUND_VCC
R753
10K
+24V_LED_driver
Q701
2SC3052
RL_ON
E
B
C
+3.3V_M
C728
0.01uF
50V
R716
10K
NON_LED_DRIVER
C785
0.1uF
50V
P_12V
PWM_DIM_26INCH
C725
68uF
35V
READY
R751
22K
P_12V
R782
100K
Q720
AO3407A
G
D S
+5V_PANEL
R752
27K
C734
22uF
16V
R715
10K
R762-*1
10K
PANEL_5V
C741
0.1uF
16V
R750
10K
READY
C732
220pF 50V
A_DIM
P_12V
R762
33K
PANEL_12V
C786
1uF 25V
R787
105K
1/10W
1%
+3.3V_M
C754
10uF
10V
C780
0.1uF
16V
+3.5V_ST
P_24V
C776
10uF
10V
C713
0.1uF
50V
ADAPTER_NON_LED_DRIVER
110
R775
C730
0.1uF
50V
C789
10uF
25V
+5V_USB
L702
120-ohm
NON_ADAPTER
0.1uF
C779
50V
R701
4.7K
RL_ON
C760
1uF
25V
L750
BLM18PG121SN1D
R707
0
POWER_24_GND
P_24V_ADAPTER
Q721
MMBT3904(NXP)
E
B
C
L701
120-ohm
NON_ADAPTER
0.1uF
C778
50V
R764
10K
R755
22K
RL_ON
100 R732
POWER_20_ERROR_OUT
L760
PANEL_5V
120-ohm
Q703
2SC3052
NON_LED_DRIVER
E
B
C
C720
0.1uF
50V
L703
NON_ADAPTER
120-ohm
R718 10K
ERROR_OUT_26INCH
C726
0.1uF
50V
C782
100uF
16V
READY
R795
120K
1%
R774
330
C790
0.1uF
50V
R744
10K
C724
0.01uF
50V
L780
3.6uH
NR8040T3R6N
R740
2.74K
1%
R783
200K
1/8W
1%
C784
3.3uF
50V
P701
FW20020-24S
NORMAL_EXPEPT_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21 22
23 24
P_12V
P_24V
C783
3.3uF
50V
R730
6.2K
P_24V
R735
0
POWER_16_GND
Q733
MMBT3904(NXP)
E
B
C
R786
30K
1/10W
1%
PWM_DIM_26INCH
+3.5V_ST
0 R727
LED_DRIVER
P_24V_ADAPTER
Q734
AO3407A
G
D
S
+24V_LED_driver
C750
0.1uF
16V
D730
MBRA340T3G
R770
51K
1%
R772
6.8K
1%
C775
0.1uF
16V
C771
1uF
25V
C794
1uF
25V
C796
0.1uF
16V
P_12V
C792
0.1uF
50V
+3.3V_M
R792
10K
C795
0.1uF
16V
C793
0.01uF
L781
500
C791
10uF
25V
L782
3.6uH
NR8040T3R6N
R790
30K
1%
R791
5.6K
1%
C797
10uF
10V C798
0.1uF
16V
+5V_PANEL
P706
SMAW200-12
22_LAMP
1
2
3
4
5
6
7
8
9
10
11
12
R700
0
22_LAMP
0.1uF
C705
50V
NON_ADAPTER
+3.3V_M
C799
10uF
10V
READY
C746
10uF
6.3V
READY
C704
47uF
25V
NON_ADAPTER
R778
47K
R789
47K
R771
33
R794
33
IC704-*1
AZ1117BH-ADJTRE1
5V_LDO_BCD
2
OUTPUT
3
INPUT
1
ADJ/GND
IC705-*1
AZ1117BH-ADJTRE1
5V_LDO_BCD
2
OUTPUT
3
INPUT
1
ADJ/GND
IC701
MP20051
3
FB
2
OUT_2
4
GND
1
OUT_1
5
EN
6
NC
7
IN_1
8
IN_2
9
[EP]GND
C774
0.1uF
IC709
MP1497DJ
3
SW
2
IN
4
GND
1
SS
5
BST
6
EN
7
VCC
8
FB
IC706
MP1497DJ
PANEL_5V
3
SW
2
IN
4
GND
1
SS
5
BST
6
EN
7
VCC
8
FB
R765
4.7K
R766
4.7K
R767
4.7K
READY
Q710-*1
AO3435
AOS
G
D
S
7 8 POWER
LP24B
32CS410
2012/03/02
EAX64671103
’11 LPB
INV_ON
24(11)
LGD
** Switch Panel-Vcc
18(12)
Placed on SMD-TOP
37"
PWM_DIM
PIN
NC
24(11)
NC
NC GND
’11 PSU
GND
* Option block : ADAPTER
INV_ON
V0 = 0.8*(1+(R1/R2))
IPS(PSU)
NC
NC
ERR_OUT
’1O LIPS
16
+24V_LED Driver
ERR_OUT
GND
GND
22(14)
EAE62281601 : 22uF 20% 10V X5R 2012
PWM_DIM
PWM_DIM
LGD(PSU) PIN
NC
R2
AO3407A Vgs : 8.3V(15V input)
NC
42"
OS
real output : 12.3V
R1
PWM_DIM
GND
NC
NC
R2
’11 PSU
AUO(PSU)
GND
’11 PSU
Close to AMP IC
$0.37
ERR_OUT ERR_OUT
’1O LIPS
INV_ON
42"
R1
’11 PSU
[Power for LED]
GND
OUT:6.8V
** +3.5V_ST -> 3.3V_M
INV_ON
NC
$0.21
INV_ON
R1
LGD
NC
V0 = 0.8*(1+(R1/R2))
32"
R2
**12V->TUNER 5V
NC
AUO(PSU)
PWM_DIM
ERR_OUT
close to pin
’11 LPB
23
ERR_OUT
close to IC1009
37"
ERR_OUT
’11 PSU
NC
LIPS
INV_ON
+12V/+15V
20(13)
NC
GND
+3.5V_ST
’11 PSU
INV_ON
* Option block : ADAPTER
Switching noise reducing [MPS recommend]
AO3407A Vgs : 10.8V
* Option block : ADAPTER
PWM_DIM
Placed on SMD-TOP
AO3407A Vgs : 10.8V(24V input)
[Pinmap for EEFL]
** 3.5V_ST -> 1.26V VDDC
PWM_DIM
* Option block : ADAPTER
[Power for EEFL]
OUT:1.27V
X
NC VBR-A
+24V_AMP
INV_ON
16
NC
47"
IPS(PSU)
INV_ON
23
LGD(PSU)
VBR-A
FROM LIPS & POWER B/D
’1O LIPS
GND
NC
ERR_OUT
V0 = 0.8*(1+(R2/R1))
CMI(PSU)
0CZZB00110A : 22uF 20% 10V X7R 3216
OS
20(13)
LPB
32"
47"
PWM_DIM
[Pinmap for Edge LED]
22(14)
ERR_OUT
3A
18(12)
CMI(PSU)
ERR_OUT
GND
INV_ON
*12V -> PANEL_5V (OPTION)
PWM_DIM
NC
EAE58111001 : 22uF 20% 16V X5R 3216
PWM_DIM
Closed IC709
Closed IC709
Closed IC706
R1
R2
3A
Closed IC706
** 3.3V_M -> 2.5V_M
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only