Sony VPL-X2000U Service Manual page 240

BA Board Waveforms
1 2
1
1Vp-p (H) 0.6Vp-p (H)
IC1001 3 R1 (V2) IC1005 6 (VIDEO R)
5 6
2Vp-p (H) 1.6Vp-p (H)
TP1104 V (VIDEO UOT1)
TP1105 COMB Y
9 !º
2
1.4Vp-p (H) 3.5Vp-p (V)
IC1101 #ª (C OUT1) IC1254 #¡ (XO=20MHz)
!£ !¢
0.8Vp-p (H) 0.7Vp-p (H)
TP1402 Y TP1403 C
!¶ !•
1.1Vp-p (H) 1.4Vp-p (H)
IC1403 7 (R-Y OUT) IC1404 7 (B-Y)
3
@¡ @™
0.96Vp-p (H) 1.2Vp-p (H)
IC1402 !£ (V OUT) IC1402 !¢ (U OUT)
@∞ @§
1Vp-p (H) 1.5Vp-p (H)
TP1612 COMP R-Y TP1611 (COMP Y)
@ª #º
4
0.6Vp-p (H) 1.5Vp-p (H)
IC1751 $ª (R-AD IN)
TP1610 VIDEO B
#£ #¢
3.8Vp-p (H) 8Vp-p (H)
TP1905 DHS
TP1906 CLK
#¶ #•
5
5Vp-p (H) 5Vp-p (V)
TP1903 VS TP1904 ODE V
$¡
0.6Vp-p (H)
TP9205 2Y
A B
3 4
0.6Vp-p (H) 0.6Vp-p (H)
IC1006 6 (VIDEO G) IC1007 6 (VIDEO B)
8
7
1.6Vp-p (H)
1.4Vp-p (H)
IC1101 #¶ (Y OUT1)
TP1106 COMB C
!™
!¡
5Vp-p (H)
5Vp-p (H)
IC1254 &§ (CSI) IC1406 7 (SYNC Y)
!∞ !§
0.55Vp-p (H) 0.7Vp-p (H)
IC1402 2 (B-Y)
IC1402 1 (R-Y)
!ª @º
1.1Vp-p (H)
5Vp-p (H)
IC1402 !™ (Y OUT)
IC1402 !¡ (VA)
@¢
@£
1Vp-p (H) 1Vp-p (H)
TP1601 R-Y TP1613 COMP B-Y
@•
@¶
0.6Vp-p (H)
0.6Vp-p (H)
TP1608 VIDEO R TP1609 VIDEO B
#™
#¡
1.5Vp-p (H) 1.5Vp-p (H)
IC1753 $ª (B-AD IN)
IC1752 $ª (G-AD IN)
#§
#∞
4.8Vp-p (H) 5Vp-p (H)
TP1901 CP TP1902 HS
$º
#ª
0.8Vp-p (H) 0.65Vp-p (H)
TP9203 2CB TP9204 2CR
C
BA BA
BA Board IC Block Diagrams
CXA1166K (IC1751 – 1753)
r2
VRTS 65
r1
r/2 COMPARATOR
VRT 64
0
r
1
r
2
r
63
r
64
55
r
VIN1 54
65
r
126
r
r3
127
r
VRM 52
128
r
129
r
191
50
192
VIN2 49
r
193
r
254
r
r5
VRB
40
255
r/2
r4
VRBS 39
CLK 35 CLOCK
CLK 34 DRIVER
9-24 9-24
D E
CXA1211M-T4 (IC9204)
Vcc IN 2 CONT 2 OUT 2
8 7 6 5
MINV
33
VCA 2
VCA 1
1 2 3 4
IN 1 CONT 1 OUT 1 GND
2 OR
3
OR
CXA1839Q-T6 (IC1602)
4 D0(LSB)
5 D0
6 D1
7 D1
36 35
12 D2
13
D2
14 BY2-IN 37
D3
15
D3
RY2-IN 38
19 D4
Y2-IN 39
20 D4
B-Y R-Y
NC 40
21 D5
22 D5
1REF 41 IREF CEC
29 D6
C-OFF 42
30 D6
ABL
GND 43
Amp
31 D7(MSB)
32 D7
ROUT 44
R
D-Color G
GOUT 45
Bright
B
BOUT 46
ABL-REQ 47
Amp
Clamp
ABL-MUTE 48
1 2
40
LINV
F G
34 33 32 31 30 29 28 27 26 25
24 AP-MUTE
NR
Y VM Amp Clamp
YUV-SW 23 CLP1
Sharpness D-
Picture
22 BGP
Y 21 CBLK
R-Y
R-Y
Hue G-Y Matrix Pulse
B-Y Axis 20 FFTIM
Color B-Y Clamp Interface
19 VS
18 VEQ
R G B
17 VBLK
YS2 Picture YS1
16 VTIM
YM2 Clamp YM1
15 SSCP
14 SCL
Amp Bus
Clamp
Dec
13 SDA
3 4 5 6 7 8 9 10 11 12
H