Sony VPL-CX11 Service Manual page 66

BA BOARD
Ref No. *:B Side
IC201 * B-3
* A-3
IC202
IC202 A-3
IC221 B-4
IC271 B-1
IC301 C-2
IC302 * B-2
Q221 B-3
Q222 * B-3
Q226 * B-4
Q227 * C-4
* B-4
Q228
Q229 * C-4
Q271 B-1
Q272 B-1
Q273 B-1
Q302 * B-2
Q303 * B-2
TP271 B-1
TP272 B-1
TP273 A-1
TP274 B-4
C 2 4 5 C 2 4 6
J L 2 3 4
J L 2 2 1 J L 2 2 2
C 2 4 3
R 2 0 8
C 2 3 9
R 2 1 3
R 2 5 3
R 2 0 9
C 2 3 3
R 2 1 0
Q 2 2 8 Q 2 2 6
R 2 3 5
R 2 4 7
C 3 2 8 R 2 3 9 C 2 2 6 J L 2 1 7
R 2 4 4
Q 2 2 9 Q 2 2 7
J L 2 3 3
J L 2 3 5
BA
BA
-A SIDE-
SUFFIX: -11
J L 2 1 9 J L 2 2 9 J L 2 3 7
C 3 0 0
J L 2 1 8 J L 2 0 3 J L 2 0 1 J L 2 0 2
R 2 8 9 J L 2 2 8
J L 2 0 4
J L 2 0 8
R 2 9 9
R 2 7 5 R 2 8 1 R 2 9 3
J L 2 2 7
J L 2 1 2 R 2 7 6 R 2 8 0 R 2 9 1
J L 2 1 0 J L 2 1 1 J L 2 0 9 J L 2 0 5
R 2 7 7 R 2 8 2 R 2 9 2
J L 2 0 7
R 2 0 3
R 2 0 4 J L 2 1 3
J L 2 2 3 I C 3 0 2
R 2 0 1
J L 2 0 6
R 2 0 5 Q 3 0 2 Q 3 0 3
R 3 0 9
R 2 0 6
R 3 2 4
R 2 0 7 J L 2 2 0
J L 2 1 4
R 3 1 7
R 3 2 1
C 3 3 0 C 2 9 1
C 3 2 7
R 3 0 5
J L 3 0 3
C 2 9 2
J L 2 1 5
Q 2 2 2 C 2 9 3
R 3 1 6
J L 2 2 4 R 2 9 4
C 3 2 0
J L 3 0 1
R 3 0 4 C 3 2 5 C 2 7 1
J L 3 0 2
J L 2 1 6 R 3 0 6 C 2 9 4
C 3 3 8 R 2 9 6 R 2 7 1
C 2 9 5
C 3 1 3 C 2 7 3
C 2 9 6
C 3 3 7
J L 2 2 6 J L 2 2 5
R 2 8 4
R 2 8 5
R 3 0 0
J L 2 3 0
J L 2 3 2
J L 2 3 6
J L 2 3 1
BA
-B SIDE-
SUFFIX: -11
6-12
BA
CXA1875 AM-T4 (IC201)
16 15 14 13 12 11 10 9
OPEN COLLECTOR
LEVEL LEVEL
LATCH
CONVERTER CONVERTER
LEVEL
CONVERTER
2
I C DECODER
POWER
ON
RESET
LATCH LATCH LATCH LATCH LATCH
– DAC DAC DAC DAC DAC
+
VCC
REG
AMP AMP AMP AMP AMP
1 2 3 4 5 6 7 8
CXD2064Q-T6 (IC221)
VERTICAL
BORDER EMPHA
NTSC:1H NTSC:1H
ADIN 2 A/D
PAL :2H PAL :2H
+ +
DL D/A
- -
CLPO 1 CLAMP
ADAPTIVE
FILTER OP
D/A
LOGICAL OPERATION
4fsc
SW
PHASE
COMPARATOR
VCO 1/4
SW
1/2
42 44 39 37 38
CPO VCV PLSL FIN CKSL
CXA1839Q (IC271)
36 35 34 33 32 31 30 29 28 27 26 25
BY2-IN 37 24 AP-MUTE
NR
Y VM Amp Clamp
RY2-IN 38 YUV-SW 23 CLP1
Sharpness D-
Picture
Y2-IN 39 22 BGP
B-Y R-Y
NC 40 Y 21 CBLK
R-Y
R-Y
Hue G-Y Matrix Pulse
1REF 41 IREF CEC B-Y Axis 20 FFTIM
Color B-Y Clamp Interface
C-OFF 42 19 VS
ABL
GND 43 18 VEQ
Amp
R G B
ROUT 44 17 VBLK
R
D-Color G YS2 Picture YS1
GOUT 45 16 VTIM
Bright YM2 Clamp YM1
B
BOUT 46 15 SSCP
ABL-REQ 47 14 SCL
Amp Amp Bus
Clamp Clamp
Dec
ABL-MUTE 48 13 SDA
1 2 3 4 5 6 7 8 9 10 11 12
6-12
BA Board Waveforms
1
VIDEO
800 mVp-p (H)
2
VIDEO
800 mVp-p (H)
3
VIDEO
800 mVp-p (H)
9 AYO
7 ACO
VPL-CX11