ViewSonic N3260w-1NT Service Manual page 38

9.6 SAA7117A (VIDEO DECODER)
H D _ Y _7
12 H D _ Y _ 7
HD_Pr_7
12 H D _ Pr_7
H D _ P b _ 7
12 H D _ Pb_7
LUMA_7 R261
12 LUMA_7
C H R O MA_7 R262
12 C H R O MA_7
R263 8 . 2 K _ N C
R 2 6 5 4 7 _ N S
CVBS_7
R266 47
12 C V B S_7
R 2 6 7 0 _ N C
R 2 6 9 4 7 _ N S
R 2 7 0 0 _ N C
G N D
U 3 1
3.3V
A P L 1117_1.8
FB74
3 2
VI VO
P B Y 3 2_120 OHM
C296 C297 4
T A B
+
100uF 100nF
G N D G N D G N D
U 3 2
3.3V
A P L 1117_1.8
FB75
3 2
VI VO
P B Y 3 2_120 OHM C302 C303
4
T A B
+
100uF 100nF
G N D G N D G N D
5V U 3 3
A P L 1117_3.3
FB76
3 2
VI VO
P B Y 3 2_120 OHM C309 C310
4
T A B
+
100uF 100nF
G N D G N D G N D
V D D 3 . 3
C318 C319 C320 C321 C322 C323
100nF 100nF 100nF 2.7nF 470pF 270pF
G N D
ViewSonic Corporation
R 2 4 9 3 6 _ N C C278
R 2 5 0 4 7 _ N C C279
R 2 5 1 4 7 _ N C C280
R 2 5 4 4 7 _ N C C281
R256 36 C282
R258 36 C283
R259 47 C284
R260 47 C285
56 C286
47 C287
R 2 6 4
C288
C289
C290
R268
C291
R 2 7 1
C292
C293
C294
C295
V D D 3 . 3
V D D A 1 .8
G N D
C298 C299
100nF 22uF
S C L 1
3 , 6 ,10,15 S C L 1
SDA1
3 , 6 ,10,15 SDA1
G N D G N D
V D D 3 . 3
V D D 1 .8
R306
Option
Logic 0 for 24.576MHz
4.7K_NS
C304 C305 Logic 1 for 32.11MHz
100nF 22uF
R309 L16
G N D G N D
1 K 4 . 7 u H _ N S
V D D A 3 . 3
FB77
C306
G N D
P B Y 3 2_120 OHM
C311 C312
1 n F _ N S
100nF 22uF
LAYOUT: Place xtal
C313 C314
circuit as compact
G N D G N D
and close to chip
as possible
100nF 22uF
G N D G N D
V D D 3 . 3 V D D 1 .8
FB80
P B Y 3 2_120 OHM
C324 C325 C326 C327 C328
100nF 22uF 100nF 100nF 100nF
G N D G N D
37
Confidential - Do Not Copy
V X D D V D A 1 .8 V A 1 .8
22nF A I 1 1
J2
AI11
22nF A I 2 1
G 4
AI21
22nF A I 3 1
E 3
AI31
22nF A I 4 1
B 1
AI41
A I 1 2
22nF K 1
AI12
22nF A I 2 2
G 3
AI22
A I 3 2
22nF F2
AI32
22nF A I 4 2 D 2
AI42
22nF A I 1 3
K 2
AI13
22nF A I 2 3
H 2
AI23
U 30
A I 3 3
0 _ N C F3
AI33
22nF A I 4 3
D 1
AI43
S A A 7 1 17A
A I 1 4
22nF L3
AI14
2 2 n F _ N C A I 2 4 J3
AI24
0 A I 3 4
G 1
AI34
22nF A I 4 4
E 1
AI44
0 _ N C F S W M 1 3
F S W
22nF
K 3
AI1D
22nF
H 1
AI2D
22nF F1
AI3D
22nF
D 3
AI4D
R 2 9 0 1 0 K _ N S B11
XTRI
L12
ITRI
G N D
V D D 3 .3
P13
T E S T 0
D 1 3
T E S T 1
C 1 4
T E S T 2
A13
T E S T 3
B12
T E S T 4
G N D A12
T E S T 5
R299 47
N 9
S C L
R303 47
P10
SDA
C300 C301
B 6
T C K
D 6
T M S
A5
T D O
15pF 15pF
B 5
TDI
P 3
E X M C L R
P11
A M C L K
N 1 1
G N D G N D
ASCLK
P12
ALRCLK
B 4
XTALI
Y 4
24.576MHz
1 2 A3
XTAL
A2
X T O U T
C 6
T R S T
M 1 2
AMXCLK
C308 N 6
G N D
C L K E X T
C307
18pF 18pF
G N D G N D G N D
G N D
V D D A 3 .3
G N D
C329 C330 C331 C332 C333 C334 C335
2.7nF 470pF 270pF 100nF 100nF 100nF 2.7nF
G N D
N3260w_N3760w_N4060w
-1NT
N3260wb_N3760wb
V D D A 3 .3 V D D 1 .8 V D D 3 .3
M 1
A O U T
N 1 2
ITRDY
L14
IGP0
K13
IGP1
M 1 4 I C L K
ICLK
L13
IDQ
I G P V
K14
IGPV
I G P H
K12
IGPH
I P D 0
G 1 4
IPD0
I P D 1
G 1 2
IPD1
I P D 2
H 1 1
IPD2
H 1 4 I P D 3
IPD3
I P D 4
H 1 3
IPD4
I P D 5
J14
IPD5
J13 I P D 6
IPD6
I P D 7
K11
IPD7
D 1 4
H P D 0
E11
H P D 1
E13
H P D 2
E12
H P D 3
E14
H P D 4
F13
H P D 5
F14
H P D 6
G 1 3
H P D 7
Y 0
A8
XPD0
Y 1
B 8
XPD1
Y 2
A9
XPD2
Y 3
B 9
XPD3
A10 Y 4
XPD4
Y 5
B10
XPD5
Y 6
A11
XPD6
C 1 1 Y 7
XPD7
A6
X R D Y
B 7
X D Q
XCLK
A7
XCLK
V S _ VPC
D 8
XRV
C 7 H S _ VPC
XRH
N 8
ADP0
P 8
ADP1
M 7
ADP2
L7
ADP3
P 7
ADP4
N 7
ADP5
L6
ADP6
M 6
ADP7
P 6
ADP8
R300
P 4
L L C
N 5
LLC2
M 1 0 R 3 0 4
R T S 0
R 3 0 5
N 1 0
R T S 1
L10
R T C O
P 9
INT_A
P 5
R E S O
R307
N 4
C E
N 1 4
R E S 1 2
N 1 3
R E S 1 1
N 3
R E S 1 0
N 1
R E S 8
C 1 3
R E S 7
C 1 2
R E S 6
C 4
R E S 5
C 3
R E S 4
B14
R E S 3
B13
R E S 2
B 2
R E S 1
V D D A 1 . 8
R314
G N D
V D D A 1 . 8
C336 C337 C338 C339 C340 C341 C342 C343
470pF 270pF 100nF 100nF 100nF 2.7nF 680pF 270pF
G N D G N D
T P 2 7
T P 2 8
R 2 5 2 4 7 _ N S
R 2 5 3 4 7 _ N S FB72 E X _ CLKIN
E X _ C LKIN 3 , 1 0,13,15
S B K 2 0 _ 1 9 O H M _ N C
R 2 5 5 4 7 _ N S E X _ D VSIN
E X _ D V SIN 3 , 1 0,13,15
E X _ D HSIN
R 2 5 7 4 7 _ N S
E X _ D H SIN 3 , 1 0,13,15
D I N [ 0 : 1 5]
D I N [ 0 : 1 5 ] 3 , 1 0,13,15
RA18 4 7 R _ N C
2 7
1 8
3 6
4 5
RA19 1 8 4 7 R _ N C
2 7
3 6
4 5
RA20 4 7 R D I N 0
4 5
D I N 1
3 6
D I N 2
2 7
D I N 3
1 8
RA21 4 5 4 7 R D I N 4
D I N 5
3 6
D I N 6
2 7
1 8 D I N 7
FB73
R288 47 E X _ CLKIN
R289 47 S B K 2 0 _ 1 9 O H M E X _ D VSIN
R291 47 E X _ D HSIN
Y [ 0 : 7 ]
E X _ CLKIN
Y [ 0 : 7 ]
Y 0
Y 1
Y 2
V D D 3 . 3
Y 3
Y 4
Y 5
Y 6
Y 7
47 XCLK
XCLK
H S _ VPC
H S _ V P C
V S _ VPC
4 7 _ N C
V S _ V P C
4 7 _ N C
INT_A
I N T _A 7
47 Option
Logic 0 for slave address 42h/43h & 4Ah/4Bh
Logic 1 for slave address 40h/41h & 48h/49h
V D D 3 .3 V D D 3 .3
Q 2 2
G N D
MMBT 3 9 0 4
7117_CE
1 R311 10K
7117_CE 7
R 3 1 3 1 K
G N D
V D A 1 . 8 V A 1 .8
VXDD V D D A 1 .8 V D D A 1 .8
FB78 FB79
3.3
P B Y 32_120 OHM P B Y 3 2_120 OHM
C315 C316
100nF 100nF
G N D G N D G N D
C317
100nF