Service manual

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
DV25
MEM_VREF
MEM_ADDR6
MEM_ADDR5
MEM_ADDR4
MEM_DQ0
MEM_ADDR6
MEM_ADDR5
MEM_ADDR4
MEM_DQ16 MEM_DQ31
MEM_DQ17 MEM_DQ30
MEM_DQ18
MEM_DQ19
MEM_DQ20
MEM_DQ21
MEM_DQ22
MEM_DQ23
MEM_DQS2
MEM_WE_
MEM_DQM2
MEM_CAS_
MEM_CS_
MEM_RAS_
MEM_BA0
MEM_BA1
MEM_ADDR10
MEM_ADDR0
MEM_ADDR1
MEM_ADDR2
MEM_ADDR3
MEM_DQ29
MEM_DQ28
MEM_DQ27
MEM_DQ26
MEM_DQ25
MEM_DQ24
MEM_DQS3
MEM_DQM3
MEM_CLKB_
MEM_CLKB
MEM_CLKEN
MEM_ADDR12
MEM_ADDR11
MEM_ADDR9
MEM_ADDR8
MEM_ADDR7
MEM_DQ15
MEM_DQ1 MEM_DQ14
MEM_DQ2
MEM_DQ3
MEM_DQ4
MEM_DQ5
MEM_DQ6
MEM_DQ7
MEM_DQS0
MEM_WE_
MEM_DQM0
MEM_CAS_
MEM_CS_
MEM_RAS_
MEM_BA0
MEM_BA1
MEM_ADDR10
MEM_ADDR0
MEM_ADDR1
MEM_ADDR2
MEM_ADDR3
MEM_DQ13
MEM_DQ12
MEM_DQ11
MEM_DQ10
MEM_DQ9
MEM_DQ8
MEM_DQS1
MEM_DQM1
MEM_CLKA_
MEM_CLKA
MEM_CLKEN
MEM_ADDR12
MEM_ADDR11
MEM_ADDR9
MEM_ADDR8
MEM_ADDR7
RDQ[0..31]
RDQS[0..3]
RDQM[0..3]
RA[0..13]
RCLK0
RCLK0_
RRAS_
RCAS_
RWE_
RCKE
RBA[0..1]
RCLK1
RCLK1_
MEM_DQS0
MEM_DQM0
MEM_DQS1
MEM_DQM3
MEM_DQS3
RDQS1
RDQS0
RDQM0
RDQ4
RDQ5
RDQ6
RDQ7
RDQS2
RDQM2
RDQM3
RDQS3
RDQ20
RDQ21
RDQ22
RDQ23
MEM_CLKA
MEM_CLKA_
RCLK0
RCLK0_
MEM_CLKB
MEM_CLKB_
RCLK1
RCLK1_
MEM_VREF
MEM_VREFMEM_VREF
MEM_ADDR13 MEM_ADDR13
MEM_VREF
MEM_ADDR7
MEM_ADDR4
RA1 MEM_ADDR1
RA4
RA7
RA13 MEM_ADDR13
MEM_ADDR12
RA11
RCKE
RA12
MEM_ADDR11
MEM_CLKEN
MEM_RAS_RRAS_
MEM_BA1RBA1
MEM_ADDR12
MEM_ADDR11
MEM_CLKEN
MEM_CS_
MEM_CAS_
MEM_BA1
MEM_BA0
MEM_RAS_ RCS_
GND
MEM_DQM2
MEM_DQS2
MEM_DQ21
MEM_DQ22
MEM_DQ23
MEM_DQ20
MEM_DQ7
MEM_DQ4
MEM_DQ5
MEM_DQ6
RDQ3
RDQ0 MEM_DQ0
MEM_DQ2RDQ2
MEM_DQ3
RDQ1 MEM_DQ1
RDQM1 MEM_DQM1
MEM_DQ16
MEM_DQ18
RDQ16
MEM_DQ17
MEM_DQ19RDQ19
RDQ18
RDQ17
RDQ13
RDQ15
RDQ14
RDQ12
MEM_DQ13
MEM_DQ14
MEM_DQ12
MEM_DQ15
MEM_DQ8
MEM_DQ9
MEM_DQ11
RDQ9
MEM_DQ10
RDQ11
RDQ8
RDQ10
RDQ29
RDQ28
MEM_DQ30
RDQ31
RDQ30
MEM_DQ29
MEM_DQ31
MEM_DQ28
RDQ27
MEM_DQ26
MEM_DQ25
RDQ26
MEM_DQ27
RDQ25
MEM_DQ24RDQ24
MEM_ADDR8
MEM_ADDR6
MEM_ADDR9
MEM_ADDR7
MEM_ADDR5
MEM_ADDR4
MEM_ADDR13
MEM_ADDR10
MEM_ADDR1
MEM_ADDR0
MEM_ADDR2
MEM_WE_
MEM_ADDR3
MEM_WE_
RCAS_
MEM_BA0RBA0
MEM_CAS_
MEM_CS_RCS_
RWE_
MEM_ADDR5
MEM_ADDR8
RA6
RA8
RA9
RA5
MEM_ADDR6
MEM_ADDR9
RA2
MEM_ADDR0
RA3
MEM_ADDR2
MEM_ADDR10RA10
RA0
MEM_ADDR3
DV25 DV25 DV25 DV25
DV25
DV25
+1V25_DDR
+1V25_DDR
+1V25_DDR
DV25
+1V25_DDR
+1V25_DDR+1V25_DDR
GND1,2,3,4,5,6,8,9
DV252,5,6
MEM_VREF6
RDQ[0..31]5
RDQS[0..3]5
RDQM[0..3]5
RA[0..13]5
RCLK05
RCLK0_5
RRAS_5
RCAS_5
RWE_5
RCKE5
RBA[0..1]5
RCLK15
RCLK1_5
RCS_5
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
AmTRAN
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESING BY:
DDR MEMORY
VIZIO L32 HDTV10A (3320-0012-0187)
7
9
APCN05080010
37ATSC-M1.BRD
00
01
HDTV_MTKATSC0.DSN
0171-1472-0321
Wednesday, March 15, 2006
GLOBAL SIGNAL
EQUAL LINE LENGTH
BYPASS CAP. FOR DDR
BYPASS CAP. FOR TERMINATOR
(EVERY 2 RESISTOR PUT 1 BYPASS CAP.)
DDR MEMORY
DDR#1 DDR#2
BYPASS CAP. FOR DIMM
+1V25_DDR FOR DDR TERMINATOR
MEM_VREF FOR DDR AND MT5351 VREF
FOR DDR#1
FOR DDR#2
CLOSED TO MT5351 CLOSED TO DDR
CLOSED TO MT5351
CLOSED TO MT5351 CLOSED TO DDR
CLOSED TO DDR
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL RESISTORS 1/16 WATT,5% UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
M= METAL 1%
R67 47
C189
0.1uF
0402C
R66 75
C159
0.1uF
0402C
C178
0.1uF
0402C
R74 75
C162
0.1uF
0402C
R75
22
0402R
R51 47
R50 75
C171
0.1uF
0402C
RP20
47x4
1608R_4
1 8
2 7
3 6
4 5
RP14 22x4 1608R_4
1 8
2 7
3 6
4 5
R63 47
C156
0.1uF
0402C
R70 75
C201
0.1uF
0402C
R79
100
0402R
U13
16M x 16 DDR TSOP-66
TSOP66_065
VDD
1
DQ0
2
VDDQ
3
DQ1
4
DQ2
5
VSSQ
6
DQ3
7
DQ4
8
VDDQ
9
DQ5
10
DQ6
11
VSSQ
12
DQ7
13
NC
14
VDDQ
15
LDQS
16
NC
17
VDD
18
NC
19
LDM
20
WE
21
CAS
22
RAS
23
CS
24
NC
25
BS0
26
BS1
27
A10/AP
28
A0
29
A1
30
A2
31
A3
32
VDD
33
VSS
34
A4
35
A5
36
A6
37
A7
38
A8
39
A9
40
A11
41
A12
42
NC
43
CKE
44
CLK
45
CLK
46
UDM
47
VSS
48
VREF
49
NC
50
UDQS
51
VSSQ
52
NC
53
DQ8
54
VDDQ
55
DQ9
56
DQ10
57
VSSQ
58
DQ11
59
DQ12
60
VDDQ
61
DQ13
62
DQ14
63
VSSQ
64
DQ15
65
VSS
66
RP22
22x4
1608R_4
1 8
2 7
3 6
4 5
C179
0.1uF
0402C
C192
0.1uF
0402C
RP32
47x4
1608R_4
1 8
2 7
3 6
4 5
R49 47
C173
0.1uF
0402C
U14
IC LP2996 DDR Termination SOP-8
SOP8
GND
1
SD
2
VSENSE
3
VREF
4
VDDQ
5
AVIN
6
PVIN
7
VTT
8
C157
0.1uF
0402C
C202
0.1uF
0402C
U12
16M x 16 DDR TSOP-66
TSOP66_065
VDD
1
DQ0
2
VDDQ
3
DQ1
4
DQ2
5
VSSQ
6
DQ3
7
DQ4
8
VDDQ
9
DQ5
10
DQ6
11
VSSQ
12
DQ7
13
NC
14
VDDQ
15
LDQS
16
NC
17
VDD
18
NC
19
LDM
20
WE
21
CAS
22
RAS
23
CS
24
NC
25
BS0
26
BS1
27
A10/AP
28
A0
29
A1
30
A2
31
A3
32
VDD
33
VSS
34
A4
35
A5
36
A6
37
A7
38
A8
39
A9
40
A11
41
A12
42
NC
43
CKE
44
CLK
45
CLK
46
UDM
47
VSS
48
VREF
49
NC
50
UDQS
51
VSSQ
52
NC
53
DQ8
54
VDDQ
55
DQ9
56
DQ10
57
VSSQ
58
DQ11
59
DQ12
60
VDDQ
61
DQ13
62
DQ14
63
VSSQ
64
DQ15
65
VSS
66
RP28
47x4
1608R_4
1 8
2 7
3 6
4 5
R68 75
C194
0.1uF
0402C
R61 22
C180
0.1uF
0402C
R76
100
0402R
RP26
47x4
1608R_4
1 8
2 7
3 6
4 5
C154
0.1uF
0402C
C204
0.1uF
0402C
C168
0.1uF
0402C
C174
0.1uF
0402C
+
C150
47uF/16v
ECD5
RP19
75x4
1608R_4
1 8
2 7
3 6
4 5
C188
0.1uF
0402C
R64 75
+
C185
220uF/16v
ECD8
C195
0.1uF
0402C
RP36
47x4
1608R_4
1 8
2 7
3 6
4 5
C160
0.1uF
0402C
RP15
75x4
1608R_4
1 8
2 7
3 6
4 5
C152
0.1uF
0402C
R65 22
R57 22
C181
0.1uF
0402C
C203
0.1uF
0402C
R80
22
0402R
RP17
75x4
1608R_4
1 8
2 7
3 6
4 5
RP29
75x4
1608R_4
1 8
2 7
3 6
4 5
C191
0.1uF
0402C
C175
0.1uF
0402C
RP25
75x4
1608R_4
1 8
2 7
3 6
4 5
R72 NC/75
R81
4.7K
0402R
R58 75
C187
0.1uF
0402C
C198
0.1uF
0402C
C166
0.1uF
0402C
R62 75
R71 22
+
C164
220uF/16v
ECD8
R59 22
RP35
75x4
1608R_4
1 8
2 7
3 6
4 5
C182
0.1uF
0402C
C205
0.1uF
0402C
C169
0.1uF
0402C
R73 47
C196
0.1uF
0402C
R56 75
C163
0.1uF
0402C
C197
0.1uF
0402C
C190
0.1uF
0402C
R78
22
0402R
C199
0.1uF
0402C
C176
0.1uF
0402C
RP33
75x4
1608R_4
1 8
2 7
3 6
4 5
R55 47
+
C148
220uF/16v
ECD8
C158
0.1uF
0402C
RP31 75x4 1608R_4
1 8
2 7
3 6
4 5
C167
0.1uF
0402C
C161
0.1uF
0402C C172
0.1uF
0402C
RP34
47x4
1608R_4
1 8
2 7
3 6
4 5
C183
0.1uF
0402C
C170
0.1uF
0402C
RP24
47x4
1608R_4
1 8
2 7
3 6
4 5
R54 75
R69 47
C151
0.1uF
0402C
C155
0.1uF
0402C
C177
0.1uF
0402C
C149
0.1uF
0402C
RP18
22x4
1608R_4
1 8
2 7
3 6
4 5
R53 47
C200
0.1uF
0402C
C165
0.1uF
0402C
C186
0.1uF
0402C
RP16 47x41608R_4
1 8
2 7
3 6
4 5
R77
22
0402R
C193
0.1uF
0402C
TP5
+1V25_DDR
TEST_PD
RP23
75x4
1608R_4
1 8
2 7
3 6
4 5
RP27
75x4
1608R_4
1 8
2 7
3 6
4 5
RP37 75x4
1608R_4
1 8
2 7
3 6
4 5
C184
0.1uF
0402C
C153
0.1uF
0402C
R60 75
R52 75
RP30 22x4 1608R_4
1 8
2 7
3 6
4 5
RP21
75x4
1608R_4
1 8
2 7
3 6
4 5