JVC LT-42R90BU Service Manual

2-8(No.YA596<Rev.001>)(No.YA596<Rev.001>)2-7
MAIN PWB ASS'Y (1/4)
SFT-1101A-H3 [LT-42DR9BJ, LT-42DR9BU]
SFT-1102A-H3 [LT-42R90BU]
ggs10005001a_0218_2/4_0.0
or 2SA1530A/QR/-X
or 2SC3928A/QR/-X
2SA812A/5-6/-X
2SC1623A/5-6/-X
:
:
PNP
NPN
ZD6.2 UDZW6.2B-X:
: RA0 NRZ0034-0R0W
NOTE.
NRSA63J-0R0X
OPTION(NON MOUNT)
:
:
࡮࡮࡮
࡮࡮࡮
:
:
:
ZD8.2
ZD3.6
DI
LT-42R90BUA
LT-42A90BUA
UDZW5.6B-X
OPEN
0
:
UDZW8.2B-X
UDZW3.6B-X
L22
UDZW6.8B-X
L27 NQL79GM-270X
NQL79GM-100X:
: ZD5.6
L10
NQL79GM-220X
:
:
ZD6.8
1SS355W-X
LT-32A90BUA
LT-42DR9BUA
ASSY NO. - MODEL LIST
࡮࡮࡮
L
LT-42DR9BJA
R
L
L
L
L
(OLLC13686)
SFT-1101A
L
࡮࡮࡮
R
R
R
(OLLC13788)
R
-
+
-
SFT-1103A
LT-42DR9BJA
LT-42R90BUA LT-42A90BUA
LT-32A90BUA
(OLLC13823)
LT-42DR9BUA
R
TO IDTV-TUNER MODULE
+
SFT-1104A
(OLLC13766)
SFT-1102A
ADDITION DIFFERENCE PARTS LIST
: NRSA02J-0R0X
GND
VCC
BIAS
MUTE
6dB
CBW
GND
GND
AU_VCC
STB3.3V
AU_GND
AU_GND
5V
AU_GND
AU_VCC
GND
AU_GND
GND
AU_GND
AU_GNDGND
AU_VCC
GND
HP_GND
STB3.3V STB5V
AU_GND AU_GND
GND
AU_GND
GND
AU_GND
GND
GND
GND
AU_GND
5V
STB5V
24V16V
GND
GND
GND
DAMP_L-
GND
DAMP_R-
TV_CV
DAMP_R+
STB3.3V
AGC
GND
GND
SCL1_5 AFC1 TV_CV SDA1_5
DAMP_L+
AFC1
GND
GND
BT32V
AU_GND
9V
SDA1_5
GND
AGC
GND
5V
SCL1_5
9V
AUDIO_MUTE
A_MU
HP_L
TV_CV AGC AFC1
MAIN_POW
XRES
HP_R
KEY1
SDA1
SCL1
SCL1_5
ECO_SENSER REMOCON
OFF_MUTE
SDA1_5
M_R
M_L
TU_SIF
MB_RESET
HP_DET
-1104A
SFT
-1102A
SFT
-1101A
SFT
-1103A
SFT
OPENZD6.2 ZD6.2
D6771
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
.1/50
100K
0
OPEN
OPEN
0
0
0
10K
2.7K
6.8K
OPEN
OPEN
6.8K
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
R6780
R6777
R6776
OPEN
R6782
R6781
R6775
OPEN
-002
QAU0488
.1/50
0
0
10K
2.7K
6.8K
6.8K
47/16
47K
47K
68K
68K
.1/50
10/16
C7117
47/16
47K
47K
68K
68K
.1/50
10/16
-WE
NJM4565M
33p
3.3K
3.3K
0
10/16
.015/50
1/16
33p
2.2/10
2.2/10
2.2/10
OPEN
0
1/16
.47/10
100K
1/16
-001X
NAX0857
OPEN
OPEN
0
1M
C6775
-WE
NJM4565M
OPEN
R6774
OPEN
33p
R6773
3.3K
OPEN
R6772
OPEN
3.3K
R6771
IC6771
OPEN
C6676
C6675
0
OPEN
OPEN
OPEN
-002X
NQR0499
.1/50
.1/50
33p
10/16
.015/50
OPEN
C6674 OPEN
OPEN
R6662
R6661
OPEN
1/16
33p
OPEN
K6663
C6681
OPEN
2.2/10
2.2/10
OPEN
C6678 OPEN
2.2/10
C6677
C6673
OPEN
OPEN
OPEN
OPEN
C6672
OPEN
OPEN
C6773
C6771
OPEN
C6671
Y6102
OPEN
OPEN
OPEN
OPEN
K6662 OPEN0
1/16
.47/10
OPEN
C6774
100K
OPEN
IC6661
C6772
100K
OPEN
1/16
OPEN
X6661
R6675
OPEN
-001X
NAX0857
0
OPEN
R6674
R6671
0
OPEN
OPEN
0
R6669 OPEN1M
K6661
C6685
OPEN
-002X
NQR0499
.1/50 OPEN
C6682 OPEN.1/50
C6680
33p OPEN
R6665 OPEN
100
R6666
OPEN100
TU1001
-001
QAU0489
C6679
R6114
OPEN33p
-X
MX3000DS
100
100
-002
QAU0488
33p
OPEN
-X
MX3000DS
-002
QAU0488
PNPPNP PNP OPENQ6501
100K
56K
18K
100K
-107X
NEHL1CM
56K
R6503
R6502
100K
56K
18K
-107X
NEHL1CM
OPEN
OPEN
R6505
18K OPEN
C6501
-107X
NEHL1CM
OPEN
-225X
NCB21AK
-225X
NCB21AK
-225X
NCB21AK
C6128
-105X
NCB21AK
DIDI DID6501
OPEN
1/16
10/16
1/16
1/16 1/16
10/16
C6120
10/16
1/16
C6127 4.7/25
.1/25
1/16C6126 .1/25
1/16
3.3K
3.3K
1/16 1/16
8.2K
C6115 .1/25
1.5K
8.2K
1.5K
R6107
R6106
1/16
1.5K
1.5K
1/16 1/16C6120 .1/25
OPEN
-106X
NEHL1CM
OPEN
1/16
-106X
NEHL1CM
-106X
NEHL1CM
6.8K
1/16
6.8K
C6127
R6108
1/16
OPEN
C6115
10K
56K
-475X
NEHM1EM
R6109 OPEN
10K
1/161/16 1/16C6126 .1/25
0
47K
0
0R6123
47K
OPEN
47KR6019 OPEN
OPEN
OPEN
OPEN
R6122 0
OPEN
CBW CBWK7005 OPEN
OPENK6122 CBW
OPEN
CBW
R6519
OPEN
K6120 OPEN
K6119 OPEN
R1020
1K
BUFFER
Q1005
NPN
C1003
OPEN
K6118 OPEN
K6117 OPEN
K6116 OPEN
R6780
*
C6775
*
D6771
*
C6774
*
R6777
*
R6776 *
R6775 *
R6773
*
C6771
*
R6771
*
C6772
*
R6772
*
R6774
*
C6682 *
3
2
1
X6661
C6126
*
C6678
*
D6104
DI
R6120
2.7K
R6116
OPEN
R6118
22K
C6677
*
R6119
12K
Q6106
NPN
R6779
OPEN
R6668
OPEN
R6667
OPEN
K6104
CBW
K6103
CBW
K6101
CBW
K6102
CBW
R6778
OPEN
C1017
.01
R6110
OPEN
NCB31HK-103X
C6103
NCB31HK-103X
C6102
R6109
*
R6108
*
R6107
*
R6106
*
K6661
*
R6669
*
C6681 *
C6676
*
C6675
*
C6685
*
R6111
OPEN
R6671
*
R6112
OPEN
C6118
1/16
K6663
*
Y6101
0
Y6102 *
Y6103
OPEN
R6113 OPEN
R6114 *
R6115 100K
Y1001
OPEN
Q1003
NPN
R1010
680
R1002
100
R1013
330
R1012
1K
R1009
2.2K
C6120
*
C6107
1/16
C6104
1/16
Q6104
OPEN
QEHQ1HM-227
C6116
C6115
*
C6117
1/16
QEHQ1HM-227
C6119
K6662
*
/50
C1001
.1
K6121 OPEN
R6666
*
7
6
5
4
3
2
1
XRES
STB3.3V
GND
STB5V
KEY_1
SDA1
SCL1
CN100T
OPEN
K6123 CBW
5
4
3
2
1
QGA2547C1-05
L+
L-
NC
R-
R+
CN10LR
R6506
0
R6508
0
R6509
OPEN
C6127
*
C6505
.0022
C6504
.0022
/50
C6514
.1
R6518
22
R6517
1K
C6511
47/16
/50
C6513
0.1
R6515
22
R6516
1k
R6507
OPEN
R6665
*
C6507
100/10
C6512
220/4
5678
4321
BH3547F-X
IC6011
R6117
100K
R6513
47k
RT4N430C-X
Q6503
R6511
100K
R6662
*
Q6502
PNP
R6510
4.7K
C6109
1/16
C6108
.01
RT1N441C-X
Q6105
Q6501
*
C6121
.22/16
C6122
.22/16
C1009
10/25
C6501
*
Q6103
OPEN
Q6102
OPEN
R6125
OPEN
CH
C1012
47p
C1011
820p
C1016
0.01
R1019
270
R1018
47
CH
C1014
47p
NQL093M-220X
L1003
NQL093M-180X
L1004
Y1002
OPEN
CH
C1015
18p
C6114
.22/16
R6124
22K
R6661
*
R6018
OPEN
R6017
OPEN
R6123
*
R6122
*
R1003 100
K6122 *
K6114 CBW
K6113 CBW
10
9
8
7
6
5
4
3
2
1
5V
ECO
REMOTE
STB5V
QGA2547C1-10
HP_DET
HP_R
HP_GND
HP_L
GND
KEY_1
CN100R
R1014
180
Y6502
OPEN
R1016
1K
K6112 CBW
D6503
DI
R1004
2.2K
Y6503
OPEN
NCJ21CK-475X-R
B2
C6508
4.7/16
NCJ21CK-475X-R
B2
C6506
4.7/16
NCJ21CK-475X-R
B2
C6106
4.7/16
R1015
2.2K
NCJ21CK-475X-R
B2
C6011
4.7/16
C6778
OPEN
C6779
OPEN
R6664
OPEN
R6663
OPEN
R6782
*
/10
C1002
100
K6111
CBW
R6781
*
B2
C6671
*
CH
C6680
*
CH
C6674
*
B2
C6672
*
CH
C6673
*
CH
C6688
OPEN
R6675
*
CH
C6679
*
K7005 *
R6674
*
C1007
.1/50
12345678
9 10111213141516
OSCI
OSC0
DVDD
DVSS
OUT_R
OUT_L
MXBS_OUT
CAP
SDA
SCL
RESET
AVDD
AVSS
IN_R
IN_L
REF0V
IC6661
*
D6501
*
1234
5678
GND
VCC
IC6771
*
R6504
OPEN
L1002
L10
C6510
220/4
K7003 CBW
Y1003
OPEN
C7117
*
R6505
*
C6128
*
R6503
*
R6502
*
R6501
OPEN
CH
C6687
OPEN
C6777
OPEN
K6115 CBW
/50
C1008
10
AMP
Q1004
NPN
C6521
.01/50
R1007
OPEN
R1006
OPEN
R1005
OPEN
Q1002
OPEN
C6113
.22/16
Y6501
OPEN
R1017
270
C6776
OPEN
D6101
DI
Q1001
OPEN
B2
C6123
.33/25
NCJ21CK-475X-R
B2
C6012
4.7/16
B2
C6773
*
R6019
*
C1010
.01
B2
C6112
.33/25
C7115
OPEN
R1022
0
NQLF3EM-330X
L6102
NQLF3EM-330X
L6101
NQLF3EM-330X
L6103
NQLF3EM-330X
L6104
B2
NCJ21CK-475X-R
C6509
4.7/16
D6502
DI
/16
C6125
0.22
C6503
0
NQR0389-003X
K1001
C6124
.22/16
C1018
OPEN
C1004
OPEN
C1013
.01
C1005
OPEN
/16
C6110
.22
R1001
OPEN
C6502
0
L1001
L10
/16
C6111
.22
R1021
0
C1006
1/10
NCJ21CK-475X-R
B2
C6105
4.7/16
R1011
1K
49
48 47 46 45 44 43 42 41 40 39 38 37
363534333231302928272625
24 23 22 21 20 19 18 17 16 15 14 13
121110987654321
TPA3100D2PHP-W
AVCC AVCC
FAULT
MUTE
SHUTDOWN
BSRP
ROUTP ROUTP
ROUTN ROUTN
BSRN
PVCCR
PVCCR
PGNDR
PGNDR
VCLAMPL
VCLAMPL
PGNDL
PGNDL
PVCCL
PVCCL
BSLN LOUTN LOUTN LOUTP LOUTP BSLP AGND VBYP VREG ROSC
SYNC
MSTR/SCV
GAIN1
GAIN0
GAIN0
LININ
LINIP
AGND
RINP
RININ
GND GND
GND
GND
GNDGND
GND
IC6001
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
OUT
AUDIO
OUT
NC
NC
BM
NC
NC
NC
BT
RF AGC
NC
SCL
SDA
AFT
SIF OUT
BTL
NC
VIDEO
GND
GND
GND
TU1001
*
VHF/UHF TUNER
MaxxBass
AUDIO OUT
MIX
HEADPHONE
AMP
MAIN PWB (2/4)
MAIN PWB (2/4)
MAIN PWB (2/4),(4/4)
OPEN
SPEAKER(R)
SPEAKER(L)
REMOTE PWB
CN701R
MAIN PWB (2/4)
MAIN PWB
(2/4)
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/4)

JVC LT-42R90BU Specifications

General

Brand	JVC
Model	LT-42R90BU
Category	LCD TV
Language	English