Mitsubishi Electric LT-40133 Service Manual page 42

1 2 3 4
A
B
C
ES_R
1 R_OUT+
2 R_OUT-
1
L_OUT+
2 L_OUT-
D
ES_L
ES
1 2 3 4 5
E
F
ANT
RELAY
G
PWB-DM
H
ASSY-PWB-DM:921C549001(LT-40133)
921C549002(LT-40134)
921C549003(LT-46133)
921C549004(LT-46144)
921C549005(LT-46244)
921C549006(LT-52133)
921C549007(LT-52144)
I
921C549008(LT-52244)
J
K
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
HD1 UD
HD1 US HD2 AN
1 2 3 4 5 6 7 8
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 1 2 3 4 5 6
USB
HDMI
L
REMOCON
SYSTEM5
ASSY-PWB-HDMI/USB:
:920D741001(LT-40133,LT-52133,
LT-46133,
LT-46144,52144)
:920D741002(LT-40134,LT-46244,
M
LT-52244)
ASSY-PWB-SENSOR:920D737001(LT-40133,LT-46133,LT-52133)
N
O
All manuals and user guides at all-guides.com
5 6 7 8
R_SP
L_SP
LT46144/46244/52144/52244
LT40133/40134/46133/52133
VR PJ
1 2 3 4 5 6
PA-H
GND 1
PNL12V-SHORT
2
PANEL_PWR 3
AC-OFF 4
MAIN-RELAY 5
BRIGHT 6 PB
VR
INV-SHORT
7
INV-RELAY 8
INV-PWR
9
INV-SW 10
GND
11
STBY-ON 50
GND 49
GND 48
AVRMUTE 47
GND
46
AVR-L 45
GND
44
AVR-R
43
GND 42
TUNER-VIDEO 41
GND 40
GND 39
GND 38
5VSCL 37
FFC-H GND 36
5VSDA 35
GND 34
MAIN-R 33
GND
32
MAIN-L
31
GND 30
29
GND
GND 28
GND 27
GND 26
TU-R 25
GND 24
TU-L 23
GND 22
MAIN-Y-TVGOS 21
GND 20
MAIN-C2 19
GND
18
17
MAIN-Y2
GND
16
MAIN-PR 15
GND 14
MAIN-PB 13
GND 12
MAIN-Y 11
GND 10
RXDB 9
GND 8
TXDB 7
GND 6
I2CDATA 5
GND 4
I2CCLKA
3
3.3VSL
2
1
3.3VSL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3
AD JD
BL SW JD1
LE
1 2 3 4 1 2 1 2 3 4 5
LT-46244
LT-52244
SW
LT-46244
LT-52244
PWB-LED
ASSY-PWB-SW/VIDEO:920D738001
ASSY-PWB-SBL
:920D739001
:920D742001
:920D737002(LT-40134,LT-46144,LT-46244,
LT-52144,LT-52244)
9 10 11 12
LCD-MODULE
PANEL
CONTROL
ITEM 4,5,7,8 Only
(PANEL CONNECTOR)
(PANEL CONNECTOR)
LT40133/40134
CN1( LT46144/46244/52144/52244 ) CN1( )
LT46133/52133
FI-RE
VX
VY
1 GND
2 MICRESET
3 3.3VSCL
4 3.3VSDA
5 SELLVDS
6 MICPWR_ON
7 CABLE_DETECT1
8 GND
9 GND
10 TA1-
11 TA1+
12 TB1-
13 TB1+
14 TC1-
15 TC1+
16 CABLE_DETECT0
17 TCLK1-
18 TCLK1+
19 GND
20 TD1-
21 TD1+
TE1-
22
TE1+ ASSY-PWB-FRC:920D743001
23
24 GND
25 GND
26 TA2-
(LT-46144,LT-46244,LT-52144,LT-52244)
27 TA2+
28 TB2-
29 TB2+
30 TC2-
31 TC2+
32 GND
33 TCLK2-
34 TCLK2+
35 GND
36 TD2-
37 TD2+
38 TE2-
39 TE2+
40 GND
41 GND FOR 120Hz
STBY-ON
1
2 GND
3 GND
4
AVRMUTE
5 GND
6 AVR-L
7 GND
8 AVR-R
9 GND
10 TUNER-VIDEO
11 GND
12 GND
13 GND
14 5VSCL
FFC
15 GND
16 5VSDA
GND
17
18 MAIN-R
19 GND PWB-SIGNAL
20 MAIN-L
21 GND
22 GND
23 GND
24 GND
25 GND
26 TU-R
:920D740001(LT-40133,LT-46133,LT-52133)
27 GND
28 TU-L
GND
29
30 MAIN-Y-TVGOS :920D740002(LT-40134,LT-46144,LT-52144)
31
GND
32
MAIN-C2
33 GND :920D740003(LT-46244,LT-52244)
34 MAIN-Y2
35 GND
36 MAIN-PR
37 GND
38 MAIN-PB
39 GND
40 MAIN-Y
41 GND
42 RXDB
43 GND
44 TXDB
GND
45
46 I2CDATA
47
GND
48 I2CCLKA
49 3.3VSL
50 3.3VSL
1 2 3 4 5 6 7 8 9 10 11 12
CE
CE
1 2 3 4 5 6 7 8 9 10 11 12
VIDEO
13 14 15 16
17
24V
24V
24V
24V
24V
GND
46",52"Only
GND
GND
PANEL
GND
CONNECTOR
GND
N.C.
N.C.
N.C.
N.C.
INVERTER
24V
24V
24V
24V
24V
PANEL GND
CONNECTOR
GND
GND
GND
GND
N.C.
BACKLIGHT ON/OFF
DIMMING
LT46144/46244
CN2( )
LT52144/52244 N.C.
PJ
PD
1 2 3 4 5 6 1 2 3 4 5 6 7
FI-RE
12VSL
1
GND 1
LT46144/46244/52144/52244
PL 2 N.C.
12VSL
2
PL 3 GND
PGND 3
P12V 4
1 GND
N.C.
2
PM LT46144/46244/52144/52244
3 N.C.
PANELVCC
4
GND
1
2 GND
3
GND
4 GND
5 PANELVCC
PG
6 PANELVCC
7 PANELVCC
8 PANELVCC
9 PANELVCC
ASSY-PWB-POWER:921C544001(LT-40133,LT-40134)
921C544002(LT-46133)
921C544003(LT-52133)
GND
1 921C544004(LT-46144,LT-46244)
2 PNL12V-SHORT
3 PANEL_PWR
921C544005(LT-52144,LT-52244)
4 AC-OFF
5 MAIN-RELAY
BRIGHT
PB 6
7 INV-SHORT
INV-RELAY
8
9 INV-PWR
INV-SW
10
11 GND
PA PA
12VSL 1 12VSL
1
PK PK
GND
GND 2 2
1 2 3
PS
V
18 19 20 21
PG 1.....BLOCK
VLP38-V38++
* NOTES
1. DC voltages were measured from points indicated to
ground with a high-Z voltmeter
2. Wave form were taken with standard color bar signa
3. TP13.etc. show test points.
4. CAPACITOR
PF, for numbers more than
Value Not indicated
uF, for numbers less than
Dielectric
strength Not indicated : 50V
Not indicated = +/- 10%
Tolerance
G=+/-2% P=+100%
J=+/-5% -0%
K=+/-10% Z=+80%
M=+/-20% -20%
Not indicated
MF : Polyester capacitor
PP : Polypropylene film cap
ALM : Aluminus electrolytic
Parts TF : Twin film capacitor
except
SC : Semiconductor Ceramic
Type
for
I MP : Metalized paper
chips
MPP : Metalized plastic film
MMF
: Metalized polyester ca
: Polyester polypropylen
MF,PP
PS : Styrol capacitor
TAN TANT
or : Tantalum capacitor
+
: Electrolytic capacitor
NP : Non polarized electrol
Not indicated
II chips +
PA PA
PF NP
8 9 10 11 12 1 2 3 4 5 6 7 8 9 10
Not indicated :
Characteristic
(Only ceramic
CH, SL, etc. :
capacitor)
46,52"Only
5. RESITOR
Not indicated =
K =
Value
M =
Parts except
Not indicated
for chips
Wattage
Chips Not indicated
Not indicated
Toler
D = +/-0.5% J = +/-5%
ance
F = +/-1% K = +/-10%
Not indicated
Parts S : Fixed composition resis
MB : Metal oxide film resist
Type except
I CE : Cemented resistor
for
W
: Wire wound resistor
chips
M : Metal film resistor
MP : Metal plate cement resi
ML : Metal liner resistor
II chips Not indicated
6. This is a basic schematic diagram. Some sets may b
to modification according to engineering improveme
SHADED COMPONENTS HAVE SPECIAL CHARACTERIST
IMPORTANT TO SAFETY. BEFORE REPLACING ANY O
THESE COMPONENTS, READ CAREFULLY THE PRODUC
SAFETY NOTICE IN THE SERVICE MANUAL. DON'T
DEGRADE THE SAFETY OF THE RECEIVERS THROUGH
IMPROPER SERVICING.
SERVICE TECHNICIAN WARNING;
X-RADIATION PRECAUTION
THIS PRODUCT INCLUDES CRITICAL ELECTRICAL AND MECHANI
PARTS ESSENTIAL FOR X-RADIATION PROTECTION
TO AVOID POSSIBLE TO X-RADIATION TAKE RADIATION PROTE
MEASURE FOR PERSONNEL DOING SERVICING.
SEE SERVICE INSTRUCTION FOR SPECIFIED REPLACEMENT
PARTS AND SERVICE ADJUSTMENTS.
CONTENTS
PG 1.....BLOCK PG 17....DM13 [LVDS]
PG 2.....POWER
PG 18....DM14 [ADUIO]
PG 3.....SIGNAL PG 19....DM15 [MICRO]
PG 4.....MISC PG 20....DM16 [TVGO/SYSTEM5]
PG 5.....DM1 [DCDC/IF]
PG 21....FRC
PG 6.....DM2 [TUNER/MISC]
PG 7.....DM3 [HDMI]
PG 8.....DM4 [CORE]
PG 9.....DM5 [MEMA]
PG 10....DM6 [ROM/AV]
PG 11....DM7 [1394]
PG 12....DM8 [POD]
PG 13....DM9 [ADC]
PG 14....DM10 [FPGA]
PG 15....DM11 [NAZCA]
PG 16....DM12 [NAZCAMEM]
PAGE 1
22
No tolerance is in
for electrolytic c
and +/- 20%
Q=+30% C=+/-0.25PF
-10% D=+/-0.5PF
T=+200% F=+/-1PF
-0% D=+/-2PF
: Ceramic capacitor
capacitor
capacitor
: Ceramic capacitor chip
: Electrolytic capacitor
: Non polarized electrol
capacitor chip
F or B (high dielrctric
Temperature compensaing
Ohm
1,000 Ohm
1,000,000 Ohm
= 1/4W or 1
= 1/10W
= +/-5%
: Carbon resis
: chip resistor
LT-40133 VLP3
LT-40134 VLP3
LT-46133 VLP3
LT-46144 VLP3
LT-46244 VLP3
LT-52133 VLP3
LT-52144 VLP3
LT-52244 VLP3