SHADED COMPONENTS HAVE SPECIAL CHARACTERISTICS
IMPORTANT TO SAFETY. BEFORE REPLACING ANY OF
THESE COMPONENTS, READ CAREFULLY THE PRODUCT
SAFETY NOTICE IN THE SERVICE MANUAL. DON’T
DEGRADE THE SAFETY OF THE RECEIVERS THROUGH
IMPROPER SERVICING.
CE
PS
CE
SW
AN
HD2
US
PD
PF
ES
PJ
PJ
HD1
HD1
PB
PB
PK
PK
PG
UD
PL
PM
LE
BL
JD
PL
AD
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
1
3
5
6
2
4
5
6
7
8
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
1
2
3
4
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
2
2
1
2
3
4
2
3
4
6
8
9
10
11
12
1
3
1
2
3
1
2
3
4
1
2
2
3
2
3
1
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
5
5
2
4
1
3
1
1
1
5
6
7
8
9
1
5
7
2
4
4
1
1
2
4
39
15
38
2
12
48
25
23
1
35
34
39
37
34
28
5
35
44
5
16
19
14
19
4
9
46
35
40
41
2
30
14
29
15
33
36
50
26
47
7
1
42
17
13
9
12
10
10
31
48
32
3
31
47
33
36
17
11
22
11
8
46
30
45
40
21
6
20
28
13
2
4
7
24
1
7
6
32
3
8
8
27
41
18
11
20
38
42
23
22
9
4
49
9
3
10
25
43
10
29
21
16
14
45
6
6
37
26
44
12
5
27
8
18
43
24
13
7
4
GND
GND
IN3-Y
GND
GND
IN3-R
IN3-Cr
IN3-Cb
IN3-L
GND
GND
GND
GND
GND
GND
KSC0
MANRST
GND
KSC1
MANRST
GND
KSC1
KSC0
IR-IN
GND
RMC
YUV-SW
CVBS-SW
YUV-SW
CVBS-SW
GND
D-
D+
13
11
12
14
IN3-Y
IN3-R
IN3-Cr
IN3-Cb
IN3-L
GND
GND
GND
RMC
GND
IR-IN
D+
GND
D-
GND
13
24
25
26
12
30
22
4
16
28
2
3
8
1
20
19
14
17
11
37
35
18
38
6
47
34
15
21
44
39
31
49
5
50
7
43
40
45
51
33
36
42
46
32
48
29
41
23
10
9
27
3
35
33
14
17
10
9
40
16
18
23
15
5
19
21
4
30
8
31
11
1
28
6
38
7
24
36
32
39
20
37
27
12
13
41
34
2
29
25
22
26
6
5
8
41
3
9
30
15
11
31
32
36
21
13
24
27
39
14
29
33
10
19
22
12
37
38
34
2
1
4
26
7
20
16
40
35
17
23
18
25
28
7
23
15
41
21
3
38
22
31
10
34
29
17
9
39
4
8
37
13
1
28
36
6
32
20
24
35
12
25
19
33
14
18
11
2
27
40
30
26
16
5
8
11
17
19
31
24
21
36
7
26
2
9
33
10
35
3
6
23
16
13
27
14
34
12
32
15
5
1
4
18
29
25
22
20
28
30
34
8
20
39
33
31
15
18
12
40
3
24
17
5
32
23
10
2
19
7
21
4
41
14
1
22
27
29
16
35
26
11
30
6
28
9
37
25
36
13
38
45
42
44
43
46
STATUS-G
STATUS-R
GND
LED
STATUS-R
GND
LED
STATUS-G
BLUE-LED
GND
BLUE-LED
GND
N.C.
N.C.
N.C.
FANSTOP
GND
+
or
+
24V
24V
24V
24V
24V
24V
24V
24V
24V
24V
3.3VSL
3.3VSL
12VSL
12VSL
12VSL
12VSL
12VSL
3.3VSL
3.3VSL
12VSL
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
PANELVCC
P12V
PWB-DM
921C544003(LT-52133)
RELAY
921C549002(LT-40134)
921C549004(LT-46144)
:920D740002(LT-40134,LT-46144,LT-52144)
ASSY-PWB-SW/VIDEO:920D738001
LCD-MODULE
PWB-SIGNAL
ASSY-PWB-POWER:921C544001(LT-40133,LT-40134)
921C544002(LT-46133)
INVERTER
PANEL
921C549003(LT-46133)
:920D740003(LT-46244,LT-52244)
ANT
ASSY-PWB-DM:921C549001(LT-40133)
ASSY-PWB-HDMI/USB:
:920D741001(LT-40133,LT-52133,
ASSY-PWB-SENSOR:920D737001(LT-40133,LT-46133,LT-52133)
921C549005(LT-46244)
921C549006(LT-52133)
921C549007(LT-52144)
921C549008(LT-52244)
LT-46133,
:920D741002(LT-40134,LT-46244,
LT-52244)
LT-46144,52144)
:920D737002(LT-40134,LT-46144,LT-46244,
LT-52144,LT-52244)
CONTROL
ASSY-PWB-FRC:920D743001
FOR 120Hz
ITEM 4,5,7,8 Only
:920D740001(LT-40133,LT-46133,LT-52133)
PWB-LED
ASSY-PWB-SBL
:920D742001
:920D739001
LT-46244
LT-52244
921C544005(LT-52144,LT-52244)
921C544004(LT-46144,LT-46244)
(LT-46144,LT-46244,LT-52144,LT-52244)
PG 1.....BLOCK
VLP38-V38++
15
14
12
7
18
16
2
19
11
10
22
6
13
1
8
17
5
21
4
9
3
20
A
B
J
K
H
E
F
C
G
D
I
L
M
N
O
FFC
PA
VINV
VINV
GND
N.C.
GND
VINV
V
GND
VINV
FFC-H
BACKLIGHT ON/OFF
DIMMING
GND
GND
GND
VINV
PA
GND
GND
GND
GND
N.C.
VINV
VINV
GND
VINV
VINV
GND
GND
VINV
GND
GND
INV-SW
BRIGHT
GND
N.C.
GND
N.C.
GND
GND
GND
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
SELLVDS
PANELVCC
TA2+
TB2-
TB2+
TC2-
TC2+
TD2-
TD2+
TE2-
TE2+
TA4-
TC4-
TA4+
TB4-
TC4+
TB4+
TCLK4+
TCLK4-
TE4+
TD4-
TE4-
TD4+
PANELVCC
PANELVCC
GND
PANELVCC
GND
GND
GND
TA2-
GND
TCLK2-
TCLK2+
GND
GND
PANELVCC
GND
GND
GND
N.C.
N.C.
N.C.
N.C.
N.C.
INV-RELAY
AC-OFF
INV-SHORT
INV-PWR
INV-SW
BRIGHT
MAIN-RELAY
GND
PANEL_PWR
PNL12V-SHORT
GND
GND
GND
I2CDATA
TUNER-VIDEO
GND
GND
RXDB
GND
GND
GND
STBY-ON
GND
TA2-
TE1-
GND
GND
TB1-
SELLVDS
TA1+
TB2-
TE1+
TE2-
TCLK2-
GND
GND
3.3VSDA
3.3VSCL
TCLK1+
TCLK1-
GND
TC1-
TD2+
TE2+
CABLE_DETECT1
CABLE_DETECT0
TC1+
GND
TD2-
TC2+
GND
TB1+
TD1+
MICPWR_ON
TA2+
GND
GND
TD1-
MICRESET
TC2-
TCLK2+
GND
TA1-
TB2+
MAIN-Y-TVGOS
LOUT(+)
ROUT(+)
ROUT(-)
LOUT(-)
N.C.
GND
GND
AUDIO-GND
AUDIO-VCC
GND
12VSL
12VSL
GND
BRIGHT
PNL12V-SHORT
GND
INV-SHORT
INV-PWR
MAIN-RELAY
INV-RELAY
PANEL_PWR
INV-SW
AC-OFF
PA-H
GND
5VSCL
5VSDA
GND
MAIN-R
MAIN-L
GND
GND
GND
GND
GND
GND
TU-R
TU-L
GND
GND
MAIN-C2
GND
MAIN-Y2
GND
MAIN-PR
GND
GND
MAIN-PB
GND
MAIN-Y
GND
AVRMUTE
AVR-L
AVR-R
GND
GND
TXDB
GND
I2CCLKA
PA
PA
AUDIO-GND
AUDIO-VCC
TB3-
GND
TD3+
TA3-
TA3+
TC3+
GND
PANELVCC
TCLK3-
TCLK1-
PANELVCC
N.C.
TC3-
TD3-
TC1+
PANELVCC
GND
TCLK3+
GND
TC1-
PANELVCC
TD1+
GND
TCLK1+
TB1-
N.C.
TE1+
TA1-
TE3-
GND
TE1-
TB1+
PANELVCC
TE3+
GND
GND
TA1+
TB3+
GND
GND
TD1-
TC2-
TCLK2-
TA2+
TB1+
GND
GND
TD2-
TCLK1+
TC1+
TA1-
GND
TB2-
TD1+
TB1-
TC2+
TE1-
TB2+
TD1-
TA2-
CABLE_DETECT1
GND
TD2+
TE1+
MICPWR_ON
TC1-
SELLVDS
GND
TCLK2+
GND
GND
GND
GND
TE2+
TE2-
TA1+
TCLK1-
GND
FI-RE
GND
GND
GND
GND
N.C.
MAIN-Y2
MAIN-R
GND
GND
GND
GND
5VSDA
I2CCLKA
STBY-ON
5VSCL
GND
GND
TUNER-VIDEO
MAIN-Y-TVGOS
GND
MAIN-C2
GND
GND
GND
TU-L
GND
MAIN-PR
GND
GND
RXDB
MAIN-L
AVR-L
GND
GND
GND
GND
GND
GND
AVR-R
GND
GND
TXDB
GND
TU-R
GND
AVRMUTE
GND
MAIN-Y
GND
MAIN-PB
GND
I2CDATA
GND
3.3VSCL
MICRESET
CABLE_DETECT0
3.3VSDA
GND
GND
GND
GND
GND
GND
GND
TE2+
TA4-
GND
TE4+
TB2+
TC2-
TC4+
TE4-
TD4-
TA2+
TB2-
TD2+
TCLK4-
TD2-
GND
GND
TCLK4+
GND
TC2+
SELLVDS
GND
N.C.
GND
GND
TCLK2-
TA4+
TA2-
GND
TB4+
TD4+
TC4-
TCLK2+
TB4-
TE2-
CABLE_DETECT1
N.C.
GND
TCLK3-
GND
TD1-
N.C.
CABLE_DETECT0
TB1-
GND
GND
TC3-
N.C.
N.C.
GND
TD1+
TCLK3+
N.C.
TCLK1-
TB1+
TC3+
TA1-
TD3+
TA3+
N.C.
TA3-
GND
N.C.
TE1-
N.C.
TCLK1+
TC1-
TA1+
TB3-
N.C.
GND
TD3-
N.C.
TE3+
TE1+
GND
TC1+
TB3+
N.C.
N.C.
GND
TE3-
FI-RE
PGND
N.C.
N.C.
: Styrol capacitor
: Polyester capacitor
: Ceramic capacitor
C=+/-0.25PF
ground with a high-Z voltmeter
: Wire wound resistor
Toler
ance
chips
MF,PP
Q=+30%
: Cemented resistor
Not indicated = Ohm
-0%
-20%
Parts
except
for
chips
: Metalized plastic film capacitor
: Metal plate cement resistor
II
Not indicated : 50V
: Metal film resistor
K=+/-10%
M=+/-20%
K = 1,000 Ohm
: Tantalum capacitor
Not indicated
: Electrolytic capacitor
: Aluminus electrolytic capacitor
PS
MP
PP
Dielectric
strength
F=+/-1PF
TF
S
: Non polarized electrolytic
capacitor
MB
: Metal oxide film resistor(Type B)
5. RESITOR
I
D=+/-2PF
1. DC voltages were measured from points indicated to the circuit
: Semiconductor Ceramic capacitor
: Electrolytic capacitor
MF
: Carbon resistor
NP
Type
G=+/-2%
: Polyester polypropylene film
capacitor
Tolerance
CE
X-RADIATION PRECAUTION
6. This is a basic schematic diagram. Some sets may be subject
to modification according to engineering improvement
TANT
: Non polarized electrolytic
capacitor chip
: Ceramic capacitor chip
II
: chip resistor
ALM
PF, for numbers more than 1
Not indicated = 1/10W
THIS PRODUCT INCLUDES CRITICAL ELECTRICAL AND MECHANICAL
PARTS ESSENTIAL FOR X-RADIATION PROTECTION
D = +/-0.5%
chips
4. CAPACITOR
NP
Value
Z=+80%
CH, SL, etc. : Temperature compensaing types
TO AVOID POSSIBLE TO X-RADIATION TAKE RADIATION PROTECTIVE
MEASURE FOR PERSONNEL DOING SERVICING.
Wattage
Not indicated
Not indicated : F or B (high dielrctric percentage)
: Metalized polyester capacitor
Not indicated
Chips
J=+/-5%
M = 1,000,000 Ohm
I
-0%
J = +/-5%
: Twin film capacitor
MP
3. TP13.etc. show test points.
: Polypropylene film capacitor
P=+100%
MPP
Not indicated = 1/4W or 1/6W
Parts except
for chips
Not indicated = +/-5%
-10%
uF, for numbers less than 1
Value Not indicated
SC
TAN
Not indicated = +/- 10%
MMF
W
M
F = +/-1%
ML
Not indicated
: Metal liner resistor
: Fixed composition resistor
K = +/-10%
D=+/-0.5PF
: Metalized paper
Parts
except
for
chips
Type
No tolerance is indicated
for electrolytic capacitor
and +/- 20%
T=+200%
SEE SERVICE INSTRUCTION FOR SPECIFIED REPLACEMENT
PARTS AND SERVICE ADJUSTMENTS.
2. Wave form were taken with standard color bar signal.
1
50
2
49
5VSL
VCC
5VSB
5VSL
5VSB
VCC
37
39
38
40
41
51
47
48
49
50
+9V
DA
DA
46",52"Only
CON100
USB
HDMI
SYSTEM5
REMOCON
SW
VIDEO
VR
PANEL
CONNECTOR
PANEL
CONNECTOR
46,52"Only
CN2( )
L_SP
R_SP
CN1( )
VR
(40")
(46")
CN1
(46")
CN101
ES_R
ES_L
2
1
1
2
VY
VX
CN1( )
CN400
(52")
JD1
(52")
CN100
LT46144/46244/52144/52244
LT46144/46244/52144/52244
LT-40133 VLP38
LT-52244 VLP38++
CONTENTS
PAGE 1
LT-46244 VLP38++
LT-46133 VLP38
LT-52133 VLP38
LT-40134 VLP38M
LT-46144 VLP38+
LT-52144 VLP38+
* NOTES
LT-46244
LT-52244
DDC Clock
TMDS_D2-
DDC Data
GND
CEC
+5V Return
TMDS_D2_Shield
Reserved
HPD
HDMISWF-RST
HDMISW-SDA
HDMISW-SCL
HDMI-F-INT
GND
HDMISWF-RST
HDMISW-SDA
HDMISW-SCL
HDMI-F-INT
GND
TMDS_D1_Shield
TMDS_D1-
TMDS_D0_Shield
TMDS_D0-
TMDS_CLK_Shield
TMDS_CLK-
T
TMDS_D0-
TMDS_D1_Shield
T
TMDS_D2_Shield
HPD
DDC Data
CEC
TMDS_D1-
TMDS_D2-
GND
TMDS_D0_Shield
TMDS_CLK_Shield
Reserved
DDC Clock
TMDS_CLK-
+5V Return
GND
GND
GND
GND
Characteristic
(Only ceramic
capacitor)
+5V
1.8VSL
3.3VSL
+5V
3.3VSL
1.8VSL
(PANEL CONNECTOR)
L_OUT-
L_OUT+
R_OUT+
R_OUT-
(PANEL CONNECTOR)
LT40133/40134/46133/52133
LT46144/46244/52144/52244
LT46144/46244/52144/52244
LT40133/40134
LT46133/52133
LT46144/46244
LT52144/52244
PG 2.....POWER
PG 3.....SIGNAL
PG 8.....DM4 [CORE]
PG 10....DM6 [ROM/AV]
PG 7.....DM3 [HDMI]
PG 11....DM7 [1394]
PG 14....DM10 [FPGA]
PG 13....DM9 [ADC]
PG 6.....DM2 [TUNER/MISC]
PG 1.....BLOCK
PG 5.....DM1 [DCDC/IF]
PG 16....DM12 [NAZCAMEM]
PG 9.....DM5 [MEMA]
PG 12....DM8 [POD]
PG 15....DM11 [NAZCA]
PG 4.....MISC
SERVICE TECHNICIAN WARNING;
PG 18....DM14 [ADUIO]
PG 19....DM15 [MICRO]
PG 17....DM13 [LVDS]
PG 21....FRC
PG 20....DM16 [TVGO/SYSTEM5]
