Yamaha DVD-S1200 Service Manual page 34

A B
DVD-S1200
1
BLOCK DIAGRAM (6/7)
2
3
4
IC3201(VIDEO DAC)
HSYNC
VSYNC
VIDEO TIMING GENERATOR
BLANK
TTX
TELETEX
INSERTION
BLOCK
TTXRQ
5
10
/
Y
YCrCb DNR
10
TO AND
/
YUV U GAMMA
MATRIX CORRECTION
V
10
/
10 / / 10
VD0
1
VD1
6 2
VD2
3 CLKOUT
VD3
4
VD4 DEMUX
5
VD5 CLKIN
6
VD6
7
VD7
8
VREF
DAC
COMP1
RESET1 CONTROL
48
BLOCK
7
A
B
33
C D
PAL NTSC
VSO/CLAMP
CSO HSO
RESET
BRIGHTNESS
PROGRAMMABLE
CONTROL
LUMA FILTER
AND
AND
ADD SYNC
SHARPNESS
AND
10
FILTER
/ INTERPOLATOR
Y
10
/ SATURATION
U
CONTROL
/
V
AND PROGRAMMABLE
10
ADD BURST CHROMA FILTER
MODULATOR
AND
AND
INTERPOLATOR
HUE CONTROL
SIN/COS
REAL-TIME
PLL DDS
CONTROL
BLOCK
CIRCUIT
SCRESET/
CGMS/WSS
RTC/TR
AND
DAC
CLOSED CAPTIONING
RESET2
CONTROL
CONTROL
COMP2
BLOCK
E F
Q3551
AMP
Q3561
AMP
Q3571
AMP
K3264
K3266
K3261
10-bit DACA
45
DAC
YUV-TO-RGB
MATRIX
DACB
AND 10-bit
44
YUV LEVEL DAC
CONTROL
BLOCK
10-bit DACC
41
DAC
K3201
DACE
10-bit
37
DAC
VR3225
+
DACF
10-bit
36
DAC
VR3221
DAC D
10-bit
DAC
SCL
30
2
I C
MPU
SDA
PORT
ALSB 31
G H
MAIN SIGNAL
IC3531(VIDEO DRIVE)
Q3501
AMP 3 Y Y OUT 19
Y FB 20
V OUT 16
V FB 17
Q3241
AMP
Q3236
AMP
Q3231
AMP
C OUT 14
Q3226
AMP
Q3511
AMP 11 C
IC6221(EEP ROM)
6 SCL
5 SDA
I J
R
B
G
Y AV OUT 1/2
V
C
JK4501
VIDEO OUT
1/2
JK3541
S VIDEO
OUT 1/2
IC3531-16
2.2Vp-p(20usec./div.)
IC3531-14
1.2Vp-p(20usec./div.)
IC3531-9
2.2Vp-p(20usec./div.)