INPUT_A/B & HMD
OUTPUT STAGE
MEMORY INTERFACE & OSD
POWER SECTION
PHDCLK
PDE
ZXO
PHSYNC
PVSYNC
PRA6
PRA7
PRA3
PRA5
PRA4
PRA1
PRA2
PRA0
PGA1
PGA2
PGA6
PGA0
PGA3
PGA5
PGA4
PGA7
PBA0
PBA3
PBA2
PBA5
PBA6
PBA7
PBA1
PBA4
ZXI
TTfc-INTn
AIG7
AIG6
AIG5
AIG4
AIG0
AIG1
AIG3
AIG2
BIB3
BIB4
BIG4
BIG5
BIB1
BIB5
BIB7
BIG2
BIB2
BIB6
BIG0
BIG1
BIG3
BIB0
BIR0
BIR1
BIR6
BIR7
BIR5
BIR3
BIR2
BIR4
BIG6
BIG7
MD75
MD74
MD73
MD71
MCLK
MCASn
MRASn
MWEn
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA12
MA11
MCASn
MCLK
MWEn
MRASn
MA0
MA1
MA2
MA3
MA5
MA7
MA4
MA6
MA10
MA9
MA8
MA11
MA12
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD11
MD10
MD12
MD13
MD14
MD15
MD17
MD16
MD18
MD19
MD20
MD21
MD23
MD22
MD26
MD29
MD24
MD25
MD27
MD28
MD30
MD31
MD32
MD33
MD34
MD35
MD37
MD36
MD42
MD40
MD38
MD43
MD39
MD41
MD47
MD48
MD46
MD45
MD44
MD49
MD52
MD55
MD50
MD51
MD53
MD54
MD57
MD56
MD60
MD58
MD61
MD59
MD63
MD62
PWM7
PD32
NF4
MA7
MA5
MA9
MA6
MA12
MA8
MA0
MA1
MA2
MA3
MA4
MA10
MA11
MRASn
MCASn
MWEn
MCLK
MD65
MD66
MD67
MD68
MD69
MD70
MD72
MD64
MD76
MD39
MD47
MD45
MD40
MD48
MD41
MD46
MD49
MD43
MD42
MD44
MD38
MD37
MD36
MD62
MD56
MD50
MD60
MD61
MD58
MD52
MD57
MD51
MD63
MD54
MD53
MD59
MD55
MD20
MD14
MD18
MD19
MD16
MD10
MD15
MD21
MD12
MD11
MD17
MD13
MD29
MD24
MD34
MD22
MD31
MD23
MD32
MD27
MD25
MD30
MD33
MD26
MD35
MD28
MD1
MD5
MD8
MD3
MD2
MD9
MD7
MD6
MD0
MD4
MD77
MD78
MD79
MD80
MD81
MD82
MD83
MD84
MD85
MD86
MD87
MD88
MD89
MD91
MD90
MD95
MD92
MD94
MD93
HD_COAST
JP7
JP6
JP5
JP4
JP2
JP3
JP0
JP1
MA13
AIB3
AIB5
AIB6
AIB0
AIB1
AIB2
RGHSA
COASTA
RGHSA
COASTA
AIB4
AIB7
AIR7
AIR6
AIR5
AIR4
AIR0
AIR1
AIR3
AIR2
NE5
PD22
ND7
MOTION
MD67
MD79
MWEn
MA2
MA5
MA8
MD87
MD83
MD64
MD65
MD68
MD90
MD74
MD76
MCLK
MD70
MD85
MA11
MCASn
MA3
MA9
MD69
MD81
MA4
MA10
MD89
MD88
MA0
MD73
MD93
MD82
MD77
MD71
MD66
MD86
MD92
MD72
MRASn
MD80
MD94
MA6
MD84
MD91
MD75
MD95
MA12
MA1
MA7
MD78
MDQM
SDA
3,4,5,6,7,11
PDE 9
PVSYNC 9
PHSYNC 9
PHDPDP
11
PRA[0..7]
9
PGA[0..7] 9
PBA[0..7] 9
PHDPWM0
1
SCL
3,4,5,6,7,11
TTfc-RSTn
11
TTfc-INTn 11
AIG[0..7]
2,6
BIR[0..7]
3
BIB[0..7]
3,7,11
BIG[0..7]
3,7,11
PCLK 9
HDTV_HS
3
HDTV_CLK
3
HDTV_CS 3
HD_RGHS 3
HD_COAST 3
GHSYNC 3
GVSYNC 3
1VD_CLK
6
JPHS
11
JPHREF
11
JPCLK
11
JP[0..7]
11
DVI_DE
2
DVI_CLK
2
DVI_HS 2
DVI_VS 2
AIB[0..7]
2,6
AIR[0..7]
2
2VD_CLK
7
JPCK
11
2VD_CLK
7
+3V3
VDDAM
+2V5
+2V5
+2V5
+2V5
VDDAM
+3V3D
+3V3D
+3V3D
+3V3D
+3V3D
+3V3
+3V3D
+3V3D
+3V3
+2V5
+3V3D
+3V3
VCCV
VDDAP
VDDAP
+3V3D
+3V3D
+3V3D
+3V3D
+3V3D
+3V3D
PD42
TP9
R368
100R
PD42
TP5
X105
14.318MHz
C409
33p
R376
1M
R366
NC
R381
0R
C408
33p
C430
100n
C425
100n
C420
100n
C428
100n
C416
100n
R369
100R
PD32
TP3
PD22
TP4
C415
100n
C412
100n
C422
100n
C419
100n
C429
100n
C421
100n
C427
100n
C423
100n
C426
100n
C414
100n
C417
100n
C413
100n
C424
100n
C434
100uF/16V
C432
100uF/16V
I125
SDRAM2MX32-TSOP86
1
15
16
71
19
18
17
20
68
67
2
4
5
7
8
10
11
13
74
76
77
79
80
82
83
85
25
26
27
60
61
62
63
64
65
66
24
6
52
46
38
32
12
31
33
34
36
37
39
40
42
45
47
48
50
51
53
54
56
28
59
22
23
29
43
3
9
35
41
49
55
75
81
78
84
86
72
58
44
VDD
VDD
DQM0
DQM1
/RAS
/CAS
/WE
/CS
CLK
CKE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
DQM2
DQM3
BA0
BA1
VDD
VDD
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VSSQ
VSSQ
VSS
VSS
VSS
VSS
I126
SDRAM2MX32-TSOP86
1
15
16
71
19
18
17
20
68
67
2
4
5
7
8
10
11
13
74
76
77
79
80
82
83
85
25
26
27
60
61
62
63
64
65
66
24
6
52
46
38
32
12
31
33
34
36
37
39
40
42
45
47
48
50
51
53
54
56
28
59
22
23
29
43
3
9
35
41
49
55
75
81
78
84
86
72
58
44
VDD
VDD
DQM0
DQM1
/RAS
/CAS
/WE
/CS
CLK
CKE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
DQM2
DQM3
BA0
BA1
VDD
VDD
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VSSQ
VSSQ
VSS
VSS
VSS
VSS
R382
47R
L168
BEAD/200R
L169
BEAD/200R
C433
100n
C411
100n
C418
100n
C451
100n
C449
100n
C453
100n
C459
100n
C457
100n
L167
BEAD/200R
C435
100n
L166
BEAD/200R
C462
100n
C456
100n
C452
100n
C450
100n
C454
100n
C410
NC
C473
100n
C472
100uF/16V
C460
100n
C470
100n
C463
100n
C461
100n
C465
100n
C455
100n
C448
100n
C458
100n
C471
100n
C464
100n
R386
0R
C467
100n
R383
47R
I127
LM1084/2V5/T0263
3
2
1
VI
VO
ADJ
R385
NC
C468
100n
C469
100n
C447
470uF/16V
C466
100n
TP
TP6
R367
4K7
EXTPCLK
TP8
R374
0R
I124
SDRAM2MX32-TSOP86
1
15
16
71
19
18
17
20
68
67
2
4
5
7
8
10
11
13
74
76
77
79
80
82
83
85
25
26
27
60
61
62
63
64
65
66
24
6
52
46
38
32
12
31
33
34
36
37
39
40
42
45
47
48
50
51
53
54
56
28
59
22
23
29
43
3
9
35
41
49
55
75
81
78
84
86
72
58
44
VDD
VDD
DQM0
DQM1
/RAS
/CAS
/WE
/CS
CLK
CKE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
DQM2
DQM3
BA0
BA1
VDD
VDD
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VSSQ
VSSQ
VSS
VSS
VSS
VSS
C446
100n
C445
100n
C444
100n
R370
NC
INPUT A PORT
INPUT B PORT
HMD A
HMD B
HMD
Interrupt
INPUT CONTROL
INPUT
OVERLAY
PORT
V/Pr port
Y/Py port
U/Pb port
U/Pb port
Y/Py port
V/Pr port
A
B
C
I123A
t0932
Y5
W5
V5
U5
Y4
W4
V4
Y3
V10
Y9
W9
V9
U9
Y8
W8
V8
Y15
U14
V14
W14
Y14
V13
W13
Y13
W3
U4
U3
Y2
V17
W17
U17
U8
Y7
W7
V7
U7
Y6
W6
V6
V12
W12
Y12
V11
W11
Y11
Y10
W10
Y17
U16
V16
W16
Y16
U15
V15
W15
Y19
T16
U18
Y20
W18
R16
P16
V18
W19
Y18
K3
U1
T5
U2
V20
V19
U19
W20
IARED7
IARED6
IARED5
IARED4
IARED3
IARED2
IARED1
IARED0
IAGRN7
IAGRN6
IAGRN5
IAGRN4
IAGRN3
IAGRN2
IAGRN1
IAGRN0
IABLU7
IABLU6
IABLU5
IABLU4
IABLU3
IABLU2
IABLU1
IABLU0
IACLK/LLC
IADE
IAVS
IAHS
IBCLK/LLC
IBVS
IBHS
IBRED7
IBRED6
IBRED5
IBRED4
IBRED3
IBRED2
IBRED1
IBRED0
IBGRN7
IBGRN6
IBGRN5
IBGRN4
IBGRN3
IBGRN2
IBGRN1
IBGRN0
IBBLU7
IBBLU6
IBBLU5
IBBLU4
IBBLU3
IBBLU2
IBBLU1
IBBLU0
CSYNCA
VGAVSA
VGAHSA
COASTA
RGHSA
VGAVSB
VGAHSB
CSYNCB
COASTB
RGHSB
IRQn
ICCLK/LLC
ICHS
ICVS
IOVR/MDQ74
IOVG/MDQ73
IOVB/MDQ71
IOVFB/MDQ75
PANEL INTERFACE
CONTROL
STATUS/PWM
CLOCK
GENERATOR
V/Pr port
Y/Py port
U/Pv port
U/Pv port
Y/Py port
V/Pr port
I123C
t0932
G19
G20
H18
H19
H20
J18
J19
J20
K18
K19
K20
L20
L19
L18
M20
M19
M18
N20
N19
N18
P20
P19
P18
R20
B15
C15
D15
A16
B16
C16
D16
A17
B17
C17
A18
B18
A19
A20
B19
B20
C18
C19
C20
D17
D18
D19
D20
E17
F20
E20
F17
F18
E19
J3
K4
L4
M4
B13
A15
C14
G4
H4
J4
E18
F19
R5
F4
E5
D7
Y1
W2
L3
H3
PARED7
PARED6
PARED5
PARED4
PARED3
PARED2
PARED1
PARED0
PAGRN7
PAGRN6
PAGRN5
PAGRN4
PAGRN3
PAGRN2
PAGRN1
PAGRN0
PABLU7
PABLU6
PABLU5
PABLU4
PABLU3
PABLU2
PABLU1
PABLU0
PBRED7
PBRED6
PBRED5
PBRED4
PBRED3
PBRED2
PBRED1
PBRED0
PBGRN7
PBGRN6
PBGRN5
PBGRN4
PBGRN3
PBGRN2
PBGRN1
PBGRN0
PBBLU7
PBBLU6
PBBLU5
PBBLU4
PBBLU3
PBBLU2
PBBLU1
PBBLU0
PCLKI
PDE
PVS
PHS
PCLK
RSTn
SDA
SCL
POWERPD
IICADDR
PWM7/DQM
PWM6/V_DIFF
PWM5/Motion
PWM4/M_LED
PWM3/BE_LED
PWM2
PWM1
PWM0
PD32
PD22
MOTION
XtalO
XtalI
TESTAP
TESTSP
C436
100uF/16V
C440
100n
C439
100n
C438
100n
C437
100n
JPEG PORT
MEMORY INTERFACE
External
OSD port
I123B
t0932
N17
M17
L17
K17
J17
H17
G17
F16
G18
E16
P17
C12
B12
A12
C11
B11
A11
A10
B10
C10
A9
B9
C9
A8
B8
T4
T3
T2
T1
R4
R3
R2
R1
P3
P2
P1
N4
N3
N2
N1
M3
M2
M1
L2
L1
K1
K2
J1
J2
H1
H2
G1
G2
G3
F1
F2
F3
E1
E2
E3
E4
D1
D2
D3
C1
C2
B1
A1
B2
A2
C3
B3
A3
D4
C4
B4
A4
D5
C5
B5
A5
D6
C6
B6
A6
C7
B7
A7
C8
A13
B14
A14
C13
R17
R18
T20
U20
T19
T18
T17
R19
E6
E7
E8
E9
E10
E11
E12
E13
E14
E15
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
P4
JP7
JP6
JP5
JP4
JP3
JP2
JP1
JP0
JPCLK
JPHS
JPHREF
MADDR13
MADDR12
MADDR11
MADDR10
MADDR09
MADDR08
MADDR07
MADDR06
MADDR05
MADDR04
MADDR03
MADDR02
MADDR01
MADDR00
MDQ63
MDQ62
MDQ61
MDQ60
MDQ59
MDQ58
MDQ57
MDQ56
MDQ55
MDQ54
MDQ53
MDQ52
MDQ51
MDQ50
MDQ49
MDQ48
MDQ47
MDQ46
MDQ45
MDQ44
MDQ43
MDQ42
MDQ41
MDQ40
MDQ39
MDQ38
MDQ37
MDQ36
MDQ35
MDQ34
MDQ33
MDQ32
MDQ31
MDQ30
MDQ29
MDQ28
MDQ27
MDQ26
MDQ25
MDQ24
MDQ23
MDQ22
MDQ21
MDQ20
MDQ19
MDQ18
MDQ17
MDQ16
MDQ15
MDQ14
MDQ13
MDQ12
MDQ11
MDQ10
MDQ9
MDQ8
MDQ7
MDQ6
MDQ5
MDQ4
MDQ3
MDQ2
MDQ1
MDQ0
MCLK
MWEN
MCASn
MRASn
OVR/MDQ65
OVG/MDQ66
OVB/MDQ70
OVI/MDQ72
OVFB/MDQ69
OVS/MDQ68
OHS/MDQ67
OVCLK
MDQ76
MDQ77
MDQ78
MDQ79
MDQ80
MDQ81
MDQ82
MDQ83
MDQ84
MDQ85
MDQ86
MDQ87
MDQ88
MDQ89
MDQ90
MDQ91
MDQ92
MDQ93
MDQ94
MDQ95
SDAO/MDQ64
POWER SECTION
I123D
t0932
F5
H5
K5
M5
P5
U6
D8
D10
U11
D12
U13
D14
G16
J16
L16
N16
G5
J5
L5
N5
D9
U10
D11
U12
D13
H16
K16
M16
V2
W1
V1
V3
H8
H9
H10
H11
H12
H13
J8
J9
J10
J11
J12
J13
K8
K9
K10
K11
K12
K13
L8
L9
L10
L11
L12
L13
M8
M9
M10
M11
M12
M13
N8
N9
N10
N11
N12
N13
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD25
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
VDDAM
VDDAP
VSSAM
VSSAP
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
R371
NC
PD9
TP7
C431
470uF/16V
R378
47R
C443
100n
C442
100n
C441
100n
R379
NC
R380
0R
R377
47R
C562
100uF/16V
TP11
TP10
TP13
TP12
TP15
TP14
C558
100n
C554
100n
C560
100n
C559
100n
6.8 Scalar/Sdram
ViewSonic Corporation
Confidential - Do Not Copy
N2750w-1
18
Содержание N2750w-1
Страница 29: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 28...
Страница 30: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 29...
Страница 31: ...9 3 AUDIO PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 30...
Страница 32: ...9 4 AUDIO PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 31...
Страница 33: ...9 5 KEYPAD PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 32...
Страница 34: ...9 6 KEYPAD PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 33...
Страница 35: ...9 7 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 34...
Страница 36: ...9 8 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2750w 1 35...