LG 22LK230-MA (CHASSIS:LP92R) Service Manual ▷ View online
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.
C704
47uF
47uF
25V
0.01uF
C708
50V
5V_M
C705
10uF
16V
10uF
16V
L702
500
P_16.5V
P_16.5V
R711
4.7K
R715
1K
5V_LCD
P_5V
P_DIM
R729
10K
R734
22K
R712
3K
P_5V
R735
1.6K
C706
2.2uF
16V
2.2uF
16V
POWER_SW
C712
0.1uF
50V
0.1uF
50V
P_5V
L703
120-ohm
0.01uF
C748
50V
C731
0.1uF
50V
0.1uF
50V
16.5V_SAMP
0.01uF
C737
50V
5V_M
R706
0
READY
P_5V
L708
120-ohm
MLB-201209-0120P-N2
R713
10K
R732
33K
R725
10K
C703
68uF
35V
P_16.5V
C701
2.2uF
16V
2.2uF
16V
READY
R727
10K
10K
READY
ST_5V
R709-*1
1K
DC_DIM
0.01uF
C709
50V
A_DIM
R709
100
PWM_DIM
PANEL_ON
C719
1uF
25V
1uF
25V
C721
1uF
25V
1uF
25V
C702
0.47uF
25V
0.47uF
25V
R728
10K
C745
100uF
16V
100uF
16V
0.01uF
C707
50V
L701
120-ohm
L705
120-ohm
INV_ON
16.5V_AOUT
ST_3.3V
C714
1uF
25V
1uF
25V
READY
IC701
AP2121N-3.3TRE1
1
GND
2
VOUT
3
VIN
ST_5V
1.2V_VDDC_M8
C723
0.1uF
50V
0.1uF
50V
3.3V_M
IC704
AZ1085S-3.3TR/E1
1
ADJ/GND
2 OUTPUT
3
INPUT
5V_M
0.01uF
C713
25V
C734
10uF
10V
C733
10uF
10V
10uF
10V
10uF
C710
10V
0.01uF
C711
50V
R716
6.2K
6.2K
3.3V_M
R756
10K
10K
R755
10K
READY
PANEL_STATUS
ST_3.3V
R764
10K
R765
10K
R749
4.7K
4.7K
R747
4.7K
4.7K
R752
4.7K
4.7K
5V_TUNER
110
R759
READY
IC706
AP1117EG-13
READY
1
ADJ/GND
2 OUT
3
IN
C743
0.1uF
16V
0.1uF
16V
READY
C741
10uF
16V
10uF
16V
READY
C740
10uF
16V
10uF
16V
READY
R757
330
READY
R754
10K
ST_3.3V
Q705
AO4813
EBK60706901
3
S1
2
G2
4
G1
1
S2
5
D1_1
6
D1_2
7
D2_1
8
D2_2
C775
0.01uF
50V
C780
0.1uF
16V
0.1uF
16V
R785
75K
1/8W
1%
C776
3300pF
50V
C771
10uF
10V
10uF
10V
R782
7.5K
7.5K
1/16W
5%
IC702
SN1007054RTER
1
VIN_1
3
GND_1
7
COMP
9
SS
10
PH_1
11
PH_2
12
PH_3
13
BOOT
14
PWRGD
15
EN
16
VIN_3
5
AGND
8
RT/CLK
6
VSENSE
4
GND_2
2
VIN_2
17
EP[GND]
R784
22K
1
%
C779
100pF
50V
C773
0.1uF
16V
R783
24K
1%
C772
0.1uF
16V
0.1uF
16V
C774
0.1uF
16V
R781
330K
1/10W
5%
C777
22uF
22uF
10V
C778
22uF
22uF
10V
R780
10K
C749
0.1uF
16V
0.1uF
16V
READY
R741
100K
C760
10uF
25V
25V
R772
3.9K
C763
0.1uF
16V
C764
47uF
16V
C768
4700pF
50V
4700pF
50V
D701
40V
SMAB34
R742
27K
C765
22uF
22uF
10V
IC703
TPS54331D
3
EN
2
VIN
4
SS/TR
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
C762
0.022uF
16V
0.022uF
16V
C766
0.1uF
50V
0.1uF
50V
C769
0.1uF
50V
0.1uF
50V
READY
C767
47pF
50V
47pF
50V
C761
0.1uF
50V
L709
6.8uH
P_16.5V
R771
20K
R770
499
1%
R740
1
READY
C750
47uF
16V
16V
READY
R733
10K
P703
SMAW200-12
1
16.5V
2
16.5V
3
GND
4
GND
5
5V
6
5V
7
GND
8
OLP
9
Inverter_ON
10
PWM_Dim
11
A.Dim
12
NC
OLP
R736
4.7K
5V_M
L706
120-ohm
DCDC_5V_TUNER
R701
10K
10K
FOR DEBUG
R703
1.2K
1.2K
FOR DEBUG
ST_5V
5V_M
LD701
SAM2333
FOR DEBUG
R743
1
R745
1
L711
3.6uH
LQH88PN3R6N38K
Q704
MMBT3904(NXP)
E
B
C
Q706
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
Q703
MMBT3904(NXP)
E
B
C
2SC3875S
Q701
1
2
3
100uF
C729
16V
C718
47uF
16V
47uF
16V
READY
EAX64207701
MULTI VOLTAGE
Power
**Switch 12V:P12V, P5V -> 5V_12V_LCD
PANEL
**Switch 5V:P5V -> 5V_M
7 7
STAND_BY VOLTAGE
POWER
2011/5/6
MAX 300mA
OUT:3.3V
MAX 3A
OUT:1.27V
TUNER VOLTAGE
**DC-DC CONVERTER
16.5V->5V_TUNER
16.5V->5V_TUNER
R1
Vout=0.8*(1+R1/R2)
3A
R2
5V_M -> 1.2V_VDDC_M8, 3.3V_M
16.5V TO 5V DCDC CONVERTER
PARK
Power indicator
Module (HD)
Speaker
RF/AV
HDMI
Digital Inputs
Analog Inputs
Audio Amplifier
(Digital)
TAS5709PHPR
MSTAR
(MARIA8)
LGE7873
(MARIA8)
LGE7873
BIG-BANG Revision (MSTAR)
Analog AUDIO out
[ DESIGN CONCEPT ]
Module (HD)
Speaker
RF/AV/COMPONENT
HDMI
Digital Inputs
Analog Inputs
Audio Amplifier
(Digital)
NPT3200L
NPT3200L
MSTAR
(MARIA8)
LGE7871
(MARIA8)
LGE7871
BIG-BANG (MSTAR)
Hotel speaker out
Option
Spec
TV Minimalist & Value Maximizers
Maria8 (HD)
Maria8-Revision (HD)
Main Chip
MSTAR Maria8(LGE7871)
MSTAR Maria8(LGE7873)
Module
WXGA
WXGA
PSU
PSU (19”/22” Lips)
PSU (22” Lips)
PCB Size
206 x 90.5 (2 Layer)
130 x 103 (2 Layer)
PIP
N
N
1080p input support
N (Support up to 720p for Component/HDMI )
N (Support up to 720p for Component/HDMI )
1080p Panel support
N
N
AV Output
X (Only Support AV Audio Output)
X (Only Support AV Audio Output)
Hotel Speaker Out
Optional
X
HDMI
1EA
1EA
Component
1EA
X
AV
1EA
1EA
S-Video
X
X
RGB_PC
X
X
RS-232
X
X
USB (Function)
X
X
USB(D/L SVC)
X
X
Tuner
1EA
1EA
Spec. Comparison
Click on the first or last page to see other 22LK230-MA (CHASSIS:LP92R) service manuals if exist.