JVC LT-42HB1BU Service Manual page 40

Integrated digital terrestrial/satellite lcd television
Table of Contents

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MAIN PWB CIRCUIT DIAGRAM (18/46) [FRC [DDR2 SDRAM]]
1
U581B
KL5AMFC201B
RAMA0
RAMDQ0
AE15
AB3
ADDR0
ADQ[0]
RAMA1
RAMDQ1
AE14
AB2
ADDR1
ADQ[1]
RAMA2
RAMDQ2
AF14
AB1
ADDR2
ADQ[2]
RAMA3
RAMDQ3
AE13
AA3
ADDR3
ADQ[3]
RAMA4
RAMDQ4
AE12
AA1
ADDR4
ADQ[4]
RAMA5
RAMDQ5
AF11
Y3
ADDR5
ADQ[5]
RAMA6
RAMDQ6
AE11
Y2
ADDR6
ADQ[6]
RAMA7
AD10
Y1
RAMDQ7
ADDR7
ADQ[7]
RAMA8
AE10
AF7
RAMDQ8
ADDR8
ADQ[8]
RAMA9
RAMDQ9
AF12
AE7
ADDR9
ADQ[9]
RAMA10
RAMDQ10
AF15
AD7
A
ADDR10
ADQ[10]
RAMA11
RAMDQ11
AF13
AF6
ADDR11
ADQ[11]
RAMBA0
RAMDQ12
AE16
AD6
BA0
ADQ[12]
RAMBA1
RAMDQ13
AF16
AF5
BA1
ADQ[13]
RAMDQ14
AE5
ADQ[14]
RAMDQ15
AD5
ADQ[15]
RAMDQ16
AC14
V3
ECHO_OUT
ADQ[16]
RAMDQ17
AD14
V2
ECHO_IN
ADQ[17]
RAMDQ18
V1
ADQ[18]
RAMDQ19
U3
ADQ[19]
RAMCA_N
RAMDQ20
AD16
U1
/CS
ADQ[20]
RAMCLKE
RAMDQ21
AF10
T3
CKE
ADQ[21]
RAMWE_N
RAMDQ22
AE17
T2
/WE
ADQ[22]
RAMRAS_N
RAMDQ23
AF17
T1
RAS
ADQ[23]
RAMCAS_N
RAMDQ24
AD17
AF4
CAS
ADQ[24]
RAMDQ25
AE4
ADQ[25]
RAMDQ26
AD4
ADQ[26]
RAMCLK1_P
RAMDQ27
AE9
AF3
ACLKP
ADQ[27]
RAMCLK1_N
RAMDQ28
AF9
AD1
ACLKN
ADQ[28]
RAMDQ29
AC3
ADQ[29]
RAMCLK2_P
RAMDQ30
AE18
AC2
BCLKP
ADQ[30]
RAMCLK2_N
RAMDQ31
AF18
AC1
BCLKN
ADQ[31]
AC26
RAMDQ32
BDQ[0]
RAMDQ33
AC25
BDQ[1]
RAMDQ34
AC24
BDQ[2]
RAMDQ35
AD26
BDQ[3]
RAMDQ36
AF24
B
BDQ[4]
RAMDQ37
AD23
BDQ[5]
RAMDQ38
AE23
BDQ[6]
RAMDQ39
AF23
BDQ[7]
RAMDQ40
T26
BDQ[8]
RAMDQ41
T25
BDQ[9]
RAMDQ42
T24
BDQ[10]
RAMDQ43
U26
BDQ[11]
RAMDQ44
U24
BDQ[12]
RAMDQ45
V26
BDQ[13]
RAMDQ46
V25
BDQ[14]
RAMDQ47
V24
BDQ[15]
RAMDQ48
AD22
BDQ[16]
RAMDQ49
AE22
BDQ[17]
RAMDQ50
AF22
BDQ[18]
RAMDQ51
AD21
BDQ[19]
RAMDQ52
AF21
BDQ[20]
RAMDQ53
AD20
BDQ[21]
RAMDQ54
AE20
BDQ[22]
RAM_DQS0
RAMDQ55
AA2
AF20
ADQS[0]
BDQ[23]
RAM_DQS1
RAMDQ56
AE6
Y26
ADQS[1]
BDQ[24]
RAM_DQS2
U2
Y25
RAMDQ57
ADQS[2]
BDQ[25]
RAM_DQS3
RAMDQ58
AD2
Y24
ADQS[3]
BDQ[26]
RAMDQ59
AA26
BDQ[27]
RAM_DQS4
RAMDQ60
AD25
AA24
BDQS[0]
BDQ[28]
RAM_DQS5
RAMDQ61
U25
AB26
BDQS[1]
BDQ[29]
RAM_DQS6
RAMDQ62
AE21
AB25
BDQS[2]
BDQ[30]
RAM_DQS7
RAMDQ63
AA25
AB24
C
BDQS[3]
BDQ[31]
RAM_DQS0
RD601
240/1005
DQS0
RAM_DQS1
RD602
240/1005
DQS1
RAM_DQS2
RD604
240/1005
DQS2
RAM_DQS3
DQS3
RD606
240/1005
RAM_DQS4
RD607
240/1005
DQS4
RAM_DQS5
RD608
240/1005
DQS5
RAM_DQS6
RD609
240/1005
DQS6
CKE
RAM_DQS7
RD623
240/1005
DQS7
RAMA1
PR617
DDR_A1
DDR_A1
1
8
RAMA2
240*4/1005
DDR_A2
DDR_A2
2
7
RAMA3
DDR_A3
DDR_A3
3
6
RAMA11
DDR_A11
DDR_A11
4
5
RAMA7
PR618
DDR_A7
DDR_A7
1
8
RAMA8
240*4/1005
DDR_A8
DDR_A8
2
7
RAMCLKE
CKE
CKE
3
6
4
5
RAMA4
PR619
DDR_A4
DDR_A4
1
8
RAMA9
240*4/1005
DDR_A9
DDR_A9
2
7
RAMA6
DDR_A6
DDR_A6
3
6
RAMA5
DDR_A5
DDR_A5
4
5
RAMBA0
PR620
DDR_BANK0
DDR_BANK0
1
8
RAMBA1
240*4/1005
DDR_BANK1
DDR_BANK1
2
7
RAMA0
DDR_A0
DDR_A0
3
6
RAMA10
DDR_A10
DDR_A10
4
5
D
RAMCAS_N
PR621
CAS_N
CAS_N
1
8
RAMWE_N
240*4/1005
WE_N
WE_N
2
7
RAMRAS_N
RAS_N
RAS_N
3
6
RAMCA_N
CA_N
CA_N
4
5
RAMCLK1_P
RD610
220/1005
CLK1_P
CLK1_P
RAMCLK1_N
RD611
220/1005
CLK1_N
CLK1_N
RAMCLK2_P
RD612
220/1005
CLK2_P
CLK2_P
RAMCLK2_N
RD613
220/1005
CLK2_N
CLK2_N
All location are from D610 to D640
1
2
FRC_VREF
CD601
RAMDQ0
PR601
DDR_D0
104p/16V/1005
1
8
RAMDQ1
240*4/1005
DDR_D1
2
7
CD602
RAMDQ2
DDR_D2
3
6
RAMDQ3
DDR_D3
220p/50V/1005
4
5
RAMDQ4
PR602
DDR_D4
1
8
RAMDQ5
240*4/1005
DDR_D5
2
7
RAMDQ6
DDR_D6
3
6
M12
RAMDQ7
4
5
DDR_D7
RAMDQ8
PR603
1
8
DDR_D8
DDR_A0
M4
RAMDQ9
240*4/1005
DDR_D9
DDR_A1
2
7
M5
RAMDQ10
DDR_D10
DDR_A2
3
6
L5
RAMDQ11
DDR_D11
DDR_A3
4
5
M6
RAMDQ12
PR604
DDR_D12
DDR_A4
1
8
M7
RAMDQ13
240*4/1005
DDR_D13
DDR_A5
2
7
L8
RAMDQ14
DDR_D14
DDR_A6
3
6
M8
RAMDQ15
DDR_D15
DDR_A7
4
5
M9
RAMDQ16
PR605
DDR_D16
DDR_A8
1
8
M10
RAMDQ17
240*4/1005
DDR_D17
DDR_A9
2
7
L7
RAMDQ18
DDR_D18
DDR_A10
3
6
K5
RAMDQ19
DDR_D19
DDR_A11
4
5
L6
RAMDQ20
DDR_D20
PR606
1
8
DDR_BANK0
M3
RAMDQ21
240*4/1005
DDR_D21
DDR_BANK1
2
7
L4
RAMDQ22
DDR_D22
3
6
RAMDQ23
DDR_D23
CLK1_P
4
5
L10
RAMDQ24
PR607
DDR_D24
CLK1_N
1
8
L11
RAMDQ25
240*4/1005
DDR_D25
2
7
RAMDQ26
DDR_D26
CKE
3
6
M11
RAMDQ27
DDR_D27
4
5
RAMDQ28
PR608
DDR_D28
CA_N
1
8
M1
RAMDQ29
240*4/1005
DDR_D29
RAS_N
2
7
L1
RAMDQ30
DDR_D30
CAS_N
3
6
K1
RAMDQ31
DDR_D31
WE_N
4
5
K2
RAMDQ32
PR609
1
8
DDR_D32
A2
RAMDQ33
240*4/1005
DDR_D33
2
7
G11
RAMDQ34
DDR_D34
3
6
G2
RAMDQ35
DDR_D35
4
5
A11
RAMDQ36
PR610
DDR_D36
1
8
RAMDQ37
240*4/1005
DDR_D37
2
7
K10
RAMDQ38
DDR_D38
3
6
K7
RAMDQ39
DDR_D39
4
5
K6
RAMDQ40
PR611
DDR_D40
1
8
K3
RAMDQ41
240*4/1005
DDR_D41
2
7
D3
RAMDQ42
DDR_D42
3
6
D10
RAMDQ43
DDR_D43
4
5
C7
RAMDQ44
DDR_D44
PR612
1
8
C6
RAMDQ45
240*4/1005
DDR_D45
2
7
J3
RAMDQ46
DDR_D46
3
6
J10
RAMDQ47
DDR_D47
4
5
H3
RAMDQ48
PR613
DDR_D48
1
8
H10
RAMDQ49
240*4/1005
DDR_D49
2
7
F3
RAMDQ50
DDR_D50
3
6
F10
RAMDQ51
DDR_D51
4
5
E3
RAMDQ52
PR614
DDR_D52
1
8
E10
RAMDQ53
240*4/1005
DDR_D53
2
7
D2
RAMDQ54
DDR_D54
3
6
D11
RAMDQ55
DDR_D55
4
5
B9
RAMDQ56
PR615
DDR_D56
1
8
B7
RAMDQ57
240*4/1005
2
7
DDR_D57
B6
RAMDQ58
DDR_D58
3
6
B4
RAMDQ59
DDR_D59
+2V5FRC
4
5
B2
RAMDQ60
PR616
DDR_D60
1
8
B11
RAMDQ61
240*4/1005
DDR_D61
2
7
RAMDQ62
DDR_D62
3
6
J9
RAMDQ63
DDR_D63
4
5
J4
H9
H4
Place these resistors as
G9
close to the MEFC201 U581
G4
as possible
F9
F4
E9
E4
RD625
473/F/1005
D8
FRC_VTT
D5
C9
PR638
1
8
C8
510*4/1005
CD671
104p/16V/1005
2
7
CD672
104p/16V/1005
3
6
4
5
PR639
1
8
510*4/1005
CD673
104p/16V/1005
2
7
CD674
104p/16V/1005
3
6
4
5
+2V5FRC
PR640
CD614
1
8
510*4/1005
CD675
104p/16V/1005
226p/6.3V/2012
2
7
CD676
104p/16V/1005
3
6
4
5
PR641
1
8
510*4/1005
CD677
104p/16V/1005
2
7
3
6
CD678
104p/16V/1005
4
5
CD615
PR642
CD679
104p/16V/1005
1
8
226p/6.3V/2012
510*4/1005
CD680
104p/16V/1005
2
7
CD681
104p/16V/1005
+2V5FRC
3
6
CD633
4
5
CD682
104p/16V/1005
226p/6.3V/2012
RD621
101/1005
Place RD621/R622 just past
the pins on UD601/UD602.
The net should route to the pin
RD622
101/1005
first then to R621/R622 to
be terminated.
CD634
226p/6.3V/2012
2
(No.YA707<Rev.001>)2-43
3
4
FRC_VREF
CD603
104p/16V/1005
UD601
K4D263238K-FC50
DDR_D0
A6
M12
VREF
DQ0
B5
DDR_D1
DQ1
A5
DDR_D2
DDR_A0
A0
DQ2
DDR_D3
DDR_A1
A4
A1
DQ3
DDR_D4
DDR_A2
B1
A2
DQ4
DDR_D5
DDR_A3
C2
A3
DQ5
DDR_D6
DDR_A4
C1
A4
DQ6
DDR_D7
DDR_A5
D1
A5
DQ7
DDR_D8
DDR_A6
J12
A6
DQ8
DDR_D9
DDR_A7
J11
A7
DQ9
DDR_D10
DDR_A8
H12
M10
A8
DQ10
DDR_D11
DDR_A9
H11
A9
DQ11
DDR_D12
DDR_A10
F12
A10
DQ12
DDR_D13
DDR_A11
F11
A11
DQ13
E12
DDR_D14
DDR_BANK0
BA0
DQ14
DDR_D15
DDR_BANK1
E11
BA1
DQ15
DDR_D16
E2
DQ16
DDR_D17
CLK2_P
E1
L10
CK
DQ17
DDR_D18
CLK2_N
F2
L11
CK#
DQ18
DDR_D19
F1
DQ19
DDR_D20
CKE
H2
M11
CKE
DQ20
DDR_D21
H1
DQ21
DDR_D22
CA_N
J1
CS#
DQ22
DDR_D23
RAS_N
J2
RAS#
DQ23
DDR_D24
CAS_N
D12
CAS#
DQ24
DDR_D25
WE_N
C12
WE#
DQ25
C11
DDR_D26
DQ26
B12
DDR_D27
DM0
DQ27
DDR_D28
A9
G11
DM1
DQ28
DDR_D29
A8
DM2
DQ29
DDR_D30
B8
A11
DM3
DQ30
DDR_D31
A7
DQ31
K10
VDD
DQS0
A1
VDD
DQS0
DQS1
G12
VDD
DQS1
DQS2
G1
VDD
DQS2
DQS3
A12
VDD
DQS3
D10
VDD
K4
VDD
VSS
K9
VDD
VSS
J8
VDDQ
VSS
J7
VDDQ
VSS
J6
VDDQ
VSS
J5
H10
VDDQ
VSS
H8
VDDQ
VSS
H7
F10
VDDQ
VSS
H6
VDDQ
VSS
H5
E10
VDDQ
VSS
G8
VDDQ
VSS
G7
D11
VDDQ
VSS
G6
VDDQ
VSS
G5
VDDQ
VSS
F8
VDDQ
VSS
F7
VDDQ
VSS
+2V5FRC
F6
VDDQ
VSS
F5
B11
VDDQ
VSS
E8
VSS
E7
VSSQ
VSS
E6
VSSQ
VSS
E5
VSSQ
VSS
D9
VSSQ
VSS
D7
VSSQ
VSS
D6
VSSQ
VSS
D4
VSSQ
VSS
VSSQ
C5
VSSQ
VSSQ
C4
VSSQ
VSSQ
C3
VSSQ
VSSQ
C10
VSSQ
VSSQ
A3
VSSQ
VSSQ
A10
VSSQ
VSSQ
CD616
CD618
CD620
CD622
105p/16V/1005
104p/16V/1005
104p/16V/1005
226p/6.3V/2012
CD617
CD619
CD621
CD623
105p/16V/1005
105p/16V/1005
104p/16V/1005
103p/50V/1005
CD635
CD637
CD639
CD641
226p/6.3V/2012
105p/16V/1005
104p/16V/1005
104p/16V/1005
CD636
CD638
CD640
CD642
105p/16V/1005
105p/16V/1005
104p/16V/1005
103p/50V/1005
3
4
2-44(No.YA707<Rev.001>)
5
CD604
220p/50V/1005
UD602
K4D263238K-FC50
DDR_D32
DDR_D0
PR622
A6
VREF
DQ0
B5
DDR_D33
DDR_D1
510*4/1005
DQ1
M4
A5
DDR_D34
DDR_D2
A0
DQ2
DDR_D35
DDR_D3
M5
A4
A1
DQ3
DDR_D36
DDR_D4
PR623
L5
B1
A2
DQ4
DDR_D37
DDR_D5
510*4/1005
M6
C2
A3
DQ5
DDR_D38
DDR_D6
M7
C1
A4
DQ6
DDR_D39
DDR_D7
L8
D1
A5
DQ7
DDR_D40
DDR_D8
PR624
M8
J12
A6
DQ8
DDR_D41
DDR_D9
510*4/1005
M9
J11
A7
DQ9
DDR_D42
DDR_D10
H12
A8
DQ10
DDR_D43
DDR_D11
L7
H11
A9
DQ11
DDR_D44
DDR_D12
PR625
K5
F12
A10
DQ12
DDR_D45
DDR_D13
510*4/1005
L6
F11
A11
DQ13
M3
E12
DDR_D46
DDR_D14
BA0
DQ14
DDR_D47
DDR_D15
L4
E11
BA1
DQ15
DDR_D48
DDR_D16
PR626
E2
DQ16
DDR_D49
DDR_D17
510*4/1005
E1
CK
DQ17
DDR_D50
DDR_D18
F2
CK#
DQ18
DDR_D51
DDR_D19
F1
DQ19
DDR_D52
DDR_D20
PR627
H2
CKE
DQ20
DDR_D53
DDR_D21
510*4/1005
H1
DQ21
DDR_D54
DDR_D22
M1
J1
CS#
DQ22
DDR_D55
DDR_D23
L1
J2
RAS#
DQ23
DDR_D56
DDR_D24
PR628
K1
D12
CAS#
DQ24
DDR_D57
DDR_D25
510*4/1005
K2
C12
WE#
DQ25
C11
DDR_D58
DDR_D26
DQ26
A2
B12
DDR_D59
DDR_D27
DM0
DQ27
DDR_D60
DDR_D28
PR629
A9
DM1
DQ28
DDR_D61
DDR_D29
510*4/1005
G2
A8
DM2
DQ29
DDR_D62
DDR_D30
B8
DM3
DQ30
DDR_D63
DDR_D31
A7
DQ31
DDR_D32
PR630
VDD
DQS4
DDR_D33
510*4/1005
K7
A1
VDD
DQS0
DQS5
DDR_D34
K6
G12
VDD
DQS1
DQS6
DDR_D35
K3
G1
VDD
DQS2
DQS7
DDR_D36
PR631
D3
A12
VDD
DQS3
DDR_D37
510*4/1005
VDD
DDR_D38
C7
K4
VDD
VSS
DDR_D39
C6
K9
VDD
VSS
DDR_D40
PR632
J3
J8
VDDQ
VSS
DDR_D41
510*4/1005
J10
J7
VDDQ
VSS
DDR_D42
H3
J6
VDDQ
VSS
DDR_D43
J5
VDDQ
VSS
DDR_D44
PR633
F3
H8
VDDQ
VSS
DDR_D45
510*4/1005
H7
VDDQ
VSS
DDR_D46
E3
H6
VDDQ
VSS
DDR_D47
H5
VDDQ
VSS
DDR_D48
PR634
D2
G8
VDDQ
VSS
DDR_D49
510*4/1005
G7
VDDQ
VSS
DDR_D50
B9
G6
VDDQ
VSS
DDR_D51
B7
G5
VDDQ
VSS
B6
F8
DDR_D52
PR635
VDDQ
VSS
DDR_D53
510*4/1005
B4
F7
VDDQ
VSS
DDR_D54
B2
F6
VDDQ
VSS
DDR_D55
F5
VDDQ
VSS
DDR_D56
PR636
E8
VSS
DDR_D57
510*4/1005
J9
E7
VSSQ
VSS
DDR_D58
J4
E6
VSSQ
VSS
DDR_D59
H9
E5
VSSQ
VSS
DDR_D60
PR637
H4
D9
VSSQ
VSS
DDR_D61
510*4/1005
G9
D7
VSSQ
VSS
DDR_D62
G4
D6
VSSQ
VSS
DDR_D63
F9
D4
VSSQ
VSS
F4
VSSQ
E9
C5
VSSQ
VSSQ
DQS0
E4
C4
VSSQ
VSSQ
DQS1
D8
C3
VSSQ
VSSQ
DQS2
D5
C10
VSSQ
VSSQ
DQS3
C9
A3
VSSQ
VSSQ
DQS4
C8
A10
VSSQ
VSSQ
DQS5
DQS6
DQS7
CD624
CD626
CD628
103p/50V/1005
473p/16V/1005
473p/16V/1005
CD625
CD627
103p/50V/1005
473p/16V/1005
MAIN PWB ASS'Y(18/46)
CD643
CD645
CD647
103p/50V/1005
473p/16V/1005
473p/16V/1005
[FRC [DDR2 SDRAM]]
HU-71100006
CD644
CD646
103p/50V/1005
473p/16V/1005
5
6
FRC_VTT
1
8
2
7
CD605
104p/16V/1005
3
6
CD606
104p/16V/1005
4
5
1
8
A
CD607
104p/16V/1005
2
7
CD608
104p/16V/1005
3
6
4
5
1
8
CD609
104p/16V/1005
2
7
CD610
104p/16V/1005
3
6
4
5
1
8
CD611
104p/16V/1005
2
7
3
6
CD612
104p/16V/1005
4
5
1
8
CD613
104p/16V/1005
2
7
CD629
104p/16V/1005
3
6
4
5
1
8
CD630
104p/16V/1005
2
7
CD631
104p/16V/1005
3
6
4
5
1
8
CD632
104p/16V/1005
2
7
CD648
104p/16V/1005
3
6
4
5
1
8
CD649
104p/16V/1005
2
7
CD650
104p/16V/1005
3
6
4
5
B
1
8
CD651
104p/16V/1005
2
7
CD652
104p/16V/1005
3
6
4
5
1
8
CD653
104p/16V/1005
2
7
CD654
104p/16V/1005
3
6
4
5
1
8
CD655
104p/16V/1005
2
7
CD656
104p/16V/1005
3
6
4
5
1
8
CD657
104p/16V/1005
2
7
CD658
104p/16V/1005
3
6
4
5
1
8
CD659
104p/16V/1005
2
7
CD660
104p/16V/1005
3
6
4
5
1
8
CD661
104p/16V/1005
2
7
CD662
104p/16V/1005
3
6
4
5
1
8
CD663
104p/16V/1005
2
7
CD664
104p/16V/1005
3
6
C
4
5
1
8
CD665
104p/16V/1005
2
7
CD666
104p/16V/1005
3
6
4
5
RD614
510/1005
RD615
510/1005
CD667
104p/16V/1005
RD616
510/1005
CD668
104p/16V/1005
RD617
510/1005
RD618
510/1005
RD619
510/1005
CD669
104p/16V/1005
RD620
510/1005
CD670
104p/16V/1005
RD624
510/1005
D
6
hb1_main_0612_16/48_0.0

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