Mitsubishi Electric LT-40148 Service Manual page 62

Lcd flat panel television
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1
2
3
PG 17....MAIN15 [DDRAM]
FROM MAIN 14
A
R618
1/16W 68-JX4
1
8
2
7
3
6
4
5
B
R634
R632
91
91
1/16W
R631
1/16W
10
1/16W
CK2
CK#2
R633
10
1/16W
R628
R630
91
91
1/16W
1/16W
C
R627
10
RAMCLK
1/16W
CK1
RAMCLK_N
CK#1
R629
10
R659
1/16W
56
1/16W
RAMCLKN_N
R607
R608
1/16W 10-JX4
1/16W 68-JX4
RAMRAS_N
1
8
1
8
RAMODT
2
7
2
7
D
RAMWE_N
3
6
3
6
RAMCLKE
4
5
4
5
WE#
CKE
ODT
R649
10K
1/16W
RAS#
DGND
R609
R610
1/16W 10-JX4
1/16W 68-JX4
RAMCAS_N
1
8
1
8
RAMCS_N
2
7
2
7
RAMBA1
3
6
3
6
RAMBA0
4
5
4
5
E
WE#
BA0
CKE
R650
BA1
10K
1/16W
CS#
BA1
CAS#
BA0
DGND
A1
A10
R601
R602
1/16W 68-JX4
1/16W 10-JX4
A5
RAMA0
A3
1
8
1
8
RAMA1
2
7
2
7
RAMA2
3
6
3
6
A9
F
RAMA3
4
5
4
5
A7
A3
A2
A1
A12
A0
R603
R604
1/16W 10-JX4
1/16W 68-JX4
RAMA4
1
8
1
8
RAMA5
2
7
2
7
C675
0.1
RAMA6
3
6
3
6
25V/16V
RAMA7
4
5
4
5
L602
A7
A6
A5
A4
G
R605
R606
1/16W 10-JX4
1/16W 68-JX4
RAMA8
1
8
1
8
RAMA9
2
7
2
7
RAMA10
3
6
3
6
RAMA11
4
5
4
5
A11
A10
A9
A8
R645
10
RAMA12
1/16W
A12
H
R646
68
1/16W
I
C659
C660
C662
C664
C661
C663
0.1
0.1
0.1
0.1
0.1
0.1
25V/16V
25V/16V
25V/16V
25V/16V
25V/16V
25V/16V
C667
C669
C668
C670
C671
0.1
0.1
C600
25V/16V
0.1
25V/16V
0.1
0.1
0.1
25V/16V
25V/16V
25V/16V
25V/16V
J
DGND
3.3VS
VDD18
K
4
5
6
R615
1/16W 33-JX4
R617
1/16W 33-JX4
DQ11
1
8
DQ6
R616
1
8
1/16W 68-JX4
DQ3
2
7
DQ12
DQ9
2
7
1
8
3
6
DQ4
DQ14
3
6
2
7
4
5
DQ1
4
5
3
6
4
5
R643
10K
1/16W
A1
A2
A3
A7
A8
A9
B1
B2
B3
B7
B8
B9
DQ14
DQ9
DQ8
C1
C2
C3
C7
C8
C9
DQ12
DQ10
DQ13
D1
D2
D3
D7
D8
D9
DQ11
R647
10K
1/16W
E1
E2
E3
E7
E8
E9
DQ6
F1
F2
F3
F7
F8
F9
DQ7
DGND
DQ0
G1
G2
G3
G7
G8
G9
DQ4
DQ3
DQ2
DQ5
H1
H2
H3
H7
H8
H9
J1
J2
J3
J7
J8
J9
CK1
IC601
ODT
K2
K3
K7
K8
K9
CK#1
HYB18TC256160BF-3.7
RAS#
L1
L2
L3
L7
L8
CS#
CAS#
A0
M2
M3
M7
M8
M9
A0
A2
A3
A5
A4
N1
N2
N3
N7
N8
A6
A9
P2
P3
P7
P8
P9
A8
A11
A12
R1
R2
R3
R7
R8
C676
0.1
25V/16V
C677
220
50V
DGND
DGND
VTT
C683
C684
0.1
220
25V/16V
4V
DGND
IC603
LP2996LQNOPB
16
15
14
13
12
1
NC
PVIN
2
GND
PVIN
11
3
NC
AVIN
10
DGND
4
9
C665
SD
NC
C602
C603
C604
C605
C606
C666
C601
0.1
0.01
0.01
0.01
0.01
0.01
0.1
5
6
7
8
C687
0.01
25V/16V
22
50V
50V
50V
50V
50V
25V/16V
50V
6.3V
C682
DGND
220
C685
50V
C681
47
0.1
6.3V
25V/16V
C674
DGND
0.1
C673
DGND
0.1
25V/16V
25V/16V
C672
0.1
25V/16V
3.3VS
DGND
C614
C615
C616
C617
C618
C686
C613
0.01
0.01
0.1
0.1
0.1
0.1
0.01
50V
50V
25V/16V
25V/16V
25V/16V
25V/16V
50V
DGND
DGND
3.3VS
VDD18
C626
C627
C628
C629
C630
C625
0.22
0.22
0.22
0.22
0.22
0.22
25V/16V
25V/16V
25V/16V
25V/16V
25V/16V
25V/16V
DGND
7
8
9
10
R624
1/16W 68-JX4
DQ20
1
8
DQ17
2
7
3
6
4
5
R638
R636
68
68
1/16W
1/16W
R635
33
1/16W
L0DQS
RAML0DQS
U0DQS
RAMU0DQS
R637
33
1/16W
R611
1/16W 33-JX4
DQ15
RAMDQ15
1
8
R612
1/16W 68-JX4
DQ8
RAMDQ8
2
7
DQ10
RAMDQ10
1
8
3
6
DQ2
RAMDQ2
2
7
4
5
3
6
4
5
WE#
R614
1/16W 68-JX4
CKE
1
8
R613
1/16W 33-JX4
BA1
2
7
DQ0
BA0
RAMDQ0
3
6
1
8
DQ5
RAMDQ5
4
5
2
7
DQ13
RAMDQ13
3
6
A1
DQ7
RAMDQ7
4
5
A10
A5
A3
A9
A7
A12
VREF
C607
C608
C609
C610
C611
C612
0.01
0.01
0.01
0.01
0.01
0.01
50V
50V
50V
50V
50V
50V
C619
C620
C621
C622
C623
C624
0.047
0.047
0.047
0.047
0.047
0.047
16V/25V
16V/25V
16V/25V
16V/25V
16V/25V
16V/25V
C631
C632
C633
C634
0.1
1U
2.2U
K-4.7M
25V/16V
10V/6.3V
6.3V
B6.3V
C635
100
16V
11
12
13
R620
R619
1/16W 68-JX4
1/16W 33-JX4
R621
DQ25
1/16W 33-JX4
1
8
1
8
DQ30
2
7
2
7
1
8
DQ27
3
6
3
6
2
7
DQ19
DQ22
4
5
4
5
3
6
DQ28
4
5
R644
10K
1/16W
A1
A2
A3
A7
A8
A9
B1
B2
B3
B7
B8
B9
GND
DQ25
C1
C2
C3
C7
C8
DQ24
C9
D1
D2
D3
D7
D8
D9
DQ27
DQ26
R648
10K
1/16W
E1
E2
E3
E7
E8
E9
DQ22
F1
F2
F3
F7
F8
F9
DGND
G1
G2
G3
G7
G8
G9
DQ17
DQ20
DQ19
DQ18
H1
H2
H3
H7
H8
H9
J1
J2
J3
J7
J8
J9
IC602
K2
K3
K7
K8
K9
HYB18TC256160BF-3.7
L1
L2
L3
L7
L8
M2
M3
M7
M8
M9
N1
N2
N3
N7
N8
P2
P3
P7
P8
P9
C688
1000
R1
R2
R3
R7
R8
50V
C679
0.1
25V/16V
C680
C678
0.1
220
DGND
25V/16V
50V
L601
DGND
C637
C638
C639
C640
C641
C642
C643
C644
C636
0.01
0.01
0.1
0.1
0.1
0.047
0.047
0.047
0.01
50V
50V
25V/16V
25V/16V
25V/16V
16V/25V
16V/25V
16V/25V
50V
DGND
C649
C650
C651
C652
C653
C654
C655
C648
0.22
0.22
0.22
0.22
0.22
0.1
1U
0.22
25V/16V
25V/16V
25V/16V
25V/16V
25V/16V
25V/16V
10V/6.3V
25V/16V
DGND
PG 1.....BLOCK
PG 2.....POWER
PG 3.....MAIN1 [DC-DC / IF]
PG 4.....MAIN2 [AV-SWITCH / TUNER / OOB]
PG 5.....MAIN3 [HDMI]
PG 6.....MAIN4 [DM-CORE (x240)]
PG 7.....MAIN5 [DM-MEMORY]
PG 8.....MAIN6 [PROGRAMMABLE LOGIC DEVICE]
PG 9.....MAIN7 [ANALOG-DIGITAL CONVERTOR]
PG 10....MAIN8 [ASIC]
PG 11....MAIN9 [ASIC MEMORY]
PG 12....MAIN10 [LVDS]
PG 13....MAIN11 [AUDIO]
PG 14....MAIN12 [TV MICRO]
PG 15....MAIN13 [POD]
PG 16....MAIN14 [FRAME RATE CONTROL]
PG 17....MAIN15 [DDRAM]
PG 18....MISC
[SIDE / LED / CONTROL / PREAMP / SBL]
PG 19....SOUND (VLP39++ ONLY)
14
15
16
R642
R640
68
1/16W
68
1/16W
R639
33
1/16W
L1DQS
RAML1DQS
U1DQS
RAMU1DQS
R641
33
1/16W
R623
1/16W 33-JX4
R626
1/16W 68-JX4
DQ18
RAMDQ18
1
8
DQ26
RAMDQ26
1
8
2
7
DQ31
RAMDQ31
2
7
3
6
DQ24
RAMDQ24
3
6
4
5
4
5
DQ31
R622
R625
CK2
1/16W 68-JX4
1/16W 33-JX4
DQ29
RAMDQ29
1
8
1
8
DQ23
RAMDQ23
2
7
2
7
DQ16
RAMDQ16
3
6
3
6
ODT
DQ21
RAMDQ21
4
5
4
5
CK#2
RAS#
CS#
CAS#
A2
A0
A4
A6
A8
A11
C645
C646
C647
0.047
0.047
0.047
16V/25V
16V/25V
16V/25V
C656
C657
2.2U
K-4.7M
6.3V
B6.3V
C658
100
16V
CONTENTS
LT-40148 VLP39+
LT-46148 VLP39+
LT-52148 VLP39+
LT-46149 VLP39++
LT-52149 VLP39++
LT-46246 VLP39+++
LT-52246 VLP39+++
VLP39++ and VLP39+++ ONLY
PAGE 17

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