Main Power Supply - Mitsubishi Electric LT-46244; LT-40133; LT-46133; LT-52133; LT-40134; LT-46144; LT-52144; LT-46244; LT-52244 Service Manual

1 2 3
PG 2.....POWER
A
B
C
D
E
F
G
MTZJ10A,B,C,D@LF
46" & 52" ONLY
H
F9A06
72V 15A (20N 15K) (MI) F9A05
C9A78
470U R9B03
35V 22K
1
1/16W
C9A94 C9A93
0.01 0.01
50V
50V
I PD11
BOSS
10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5
PF PD
TO Panel
TO Panel
J
K
4 5 6
IC9A40
STR-Z4579
MTZJ10A,B,C,D@LF
C9A68 R9A90
68K
0.22
1/2W
50V
R9A71
10
1/2W
R9A91
68K
C9A66 C9A63 R9A66
2.2U 1K 1/2W
R9A64 1U
33 50V 50V 1/16W
1/10W C9A61
C9A65 0.22
50V R9A69 R9A92
100
50V C9A67 27K 82K
1/16W 1/2W
1000
50V
R9A70
C9A85 120
1/4W
220 C9A64
1KV D9A43 1 100U
50V
AL01Z
C9A71
470
C9A84 2KV 2
220
1KV
C9A62
1
100U
D9A42 50V
AL01Z
2
R9A44
47
1/2W
HOT
4 3
PC9A30
FOD617C
1 2
COLD
R9A49
4.7K
1/16W
R9A43
18K
1/16W R9A50
2.2K
R9A42 1/16W
0 1 3
1/16W
C9A77 R9A45 D9A47,D9A48 heatsink
0.22 1.2K K 2 connected to gnd.
50V 1/16W 2
1
Ref
R9A80
2.2K
IC9A50
1/16W A 3
RT9H301C
24 V
C9A72 C9A73 C9A74
1000U 1000U
1000U 35V
35V 35V
24 V
12VSL
C9A54
C9A56
0.01 470U
16V
50V
C9A50 C9A40
0.01 470U
16V
50V
Q9A17
2SC3052-T112-1E,F
INV-SHORT
R9A86
PANEL VCC (12VSC)
1.2K
1/16W
SUPPLY SWITCH.
12VSC
12VSL
R9A57
47K
1/16W
C9A53
R9A58 K-1M
100K
25V
1/16W
3
R9A53
10K
1/16W
S Q9A12
1 2SJ651
G
R9A54 Q9A11
47K
1/16W 2SC3052-T112-1E,F 2 D
C9A57
0.1
50V/25V
72V 15A (20N 15K) (MI)
1
PANELVCC
BOSS
1 2 3 4 5
4 3 2 1
PG
PM
TO Panel
TO FRC
LT40133/40134/46133/52133 ONLY
LT46144/46244/52144/52244
7 8 9 10
D9A01
D6SB80-7000
F9A09
C9A83
125V 7A (20N 7000)
AC250V E2200P-M (X1/Y2) RA(OOG
C9A02
R9A60
820U
200V 1M
1/2W
C9A81
AC250V E2200P-M (X1/Y2) RA(OOG
C9A03 R9A61
820U 1M
200V 1/2W
IC9A10

MAIN POWER SUPPLY

(12VS AND
AUDIO VCC)
R9A18 connected to IC9A10 heatsink.
IC9A10
STR-W6735 (MI)
C9A30
1000
1KV
7 6 5 4 3 2 1
R9A19
68K
1/2W
C9A23 C9A22
470 C9A19
1U 1000
R9A24 25V/50V 16V 1KV
100
1/10W
C9A21
10U
50V
C9A25 C9A24
2200 0.1
50V
50V
R9A21 R9A22
R9A23 0.39 0.39
1K 2W 2W
F9A00
T9A20 1/16W
125V 5A
ST-3544 (MI) (20N 5000)
C9A48
1U
50V
R9A37
3.3K
1/10W
D9A25
11EFS2N-TA2B5
1 3
PC9A10
FOD617C
4 3
2
1 2
R9A32
1K
R9A33 1/16W
390
1/16W
C9A75 R9A29
1000U
35V 1K
1/16W
R9A34
18K
1/16W
K 2 C9A31
IC9A20 470
1 500V
Ref RT9H301C
A 3 D9A26 heatsink
R9A35
4.7K connected to gnd.
D9A26
1/16W
L9A21 SG10SC6-5112
F9A03 3
6.8MH 9X9.5
125V 10A (20N 10K) 12V, 6Amax 2
L9A20
6.8MH 9X9.5 1
R9A79
22
C9A36 C9A35 C9A34 C9A33
1/10W
L9A18 2200U 2200U 2200U 2200U
16V 16V 16V 16V
6.8MH 9X9.5
C9A41
0.1
50V/25V
CHASSIS/PANEL 12V SUPPLY
ET9A02
12VSL
R9A88
1K
1/16W
C9D10
1000
50V
PB2
PB1 PB3 PB4 PB5 PB6 PB7 PB8 PB9 PB10 PB11
BOSS
1 2 3 4 5 6 7 8 9 10 1 2 3 1 2 3 4
11
V
PB PK
PL
LT46144/46244/52144/52244
TO DM-PWB TO SIGNAL
TO SIGNAL
11 12 13
C9A10
AC250V E2200P-M (X1/Y2) RA(OOG
C9A09
AC250V E2200P-M (X1/Y2) RA(OOG
3
1 4
2
C9A08
AC250V E2200P-M (X1/Y2) RA(OOG 1 HOTGND
C9A26
820U
200V
C9A07
AC250V E2200P-M (X1/Y2) RA(OOG
HOTGND
AC-OFF BUFFER
AC-OFF
R9A97
10K 1/16W
C9A38
R9A98 0.01
6.8K 50V
1/16W
Q9A10
2SC3052-T112-1E,F
INVERTER SWITCH RELAY
K9A20
LKT1AF-12V (MI)
1
3 2 S2
C1
Q9A09
2 4 1
2SC3052-T112-1E,F C2 S1
K9A21
R9A41
3.3K LKT1AF-12V (MI)
1/16W
INV-PWR
3
C1 2 S2
R9A40
4 1
22K C2 S1
1/16W
1
C9A27 INVERTER
820U
ISS355
200V
IN-RUSH RELAYS.
2
HOT R9A39
3.3K
1/16W
INV-RELAY Q9A08
2SC3052-T112-1E,F
R9A38
22K
1/16W COLD HOT
1
COLD R9A08
3.3K
MAIN-RELAY 1/16W
Q9A01
2SC3052-T112-1E,F
R9A07
22K
1/16W
IC9A10 IN-RUSH RELAY.
12V 12V
R9A05
R9A99 K-4.7M (UL)
10 1/2W
1/4W
12VS
21VAUD
1 2 3
PJ
ET9A01
(TO SHILD EARTH)
TO DM_PWB
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 15....DM10 [FPGA]
PG 15....DM11 [NAZCA]
PG 16....DM12 [NAZCAMEM]
14 15 16
R9A12
10K
1/10W
AC-OFF
DETECT.
Q9A02
2SC3052-T112-1E,F R9A09
220K
1/2W
R9A11
220K
1/2W
D9A03 R9A10
UDZS5.6B 15K
1/16W
HOTGND
R9A04
RGDU7M-4E-3.3-OHM-K/C (MI)
R9A03
RGDU7M-4E-3.3-OHM-K/C (MI)
L9D03
TF3524V-402Y6R0-01 (MI)
C9A06
AC250V E2200P-M(X1/Y1)
C9A05
AC250V E2200P-M(X1/Y1)
C9D07
0.47U
250V/275V
L9D02
TF3524V-402Y6R0-01 (MI)
C9A16
AC250V E1000P-M(X1/Y1)
C9D03
0.47U
250V/275V
L9D00
TF3524V-402Y6R0-01 (MI)
C9D01
0.47U
250V/275V
RV9D00
F9D00
S10A 125V (MI)
L
NC N
1 2 3
PS
(TO AC POWER CORD)
LT-40133 VLP38
LT-40134 VLP38M
LT-46133 VLP38
LT-46144 VLP38+
LT-46244 VLP38++
LT-52133 VLP38
LT-52144 VLP38+
LT-52244 VLP38++
PAGE 2