Yamaha HTR-6150 Service Manual page 84

A B C
RX-V563/HTR-6150/DSP-AX563
DSP 2/8
1
to DSP 6/8
2
to DSP 6/8
to DSP 1/8
3
to DSP 1/8
4
5
6
to DSP 1/8
7
8
9
10
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
84
D E F
3.3 1.9
0
0
VIDEO ENCODER
0 3.3
0 0
0
3.3
IC21
0 0
1.7 3.3
0 0
1.7 0.4
1.7 3.3
3.3
0
0 0.4
G H I
to DSP 1/8
to DSP 6/8
to DSP 6/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 6/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 6/8
3.0 1.9
IC22
to DSP 1/8
1.9
3.0
0
to DSP 1/8
J K L
CB22
IC21: ADV7172KSTZ
Digital PAL/NTSC video encoder
CLOCK PAL NTSC CSO_HSO VSO CLAMP SCLOCK SDATA ALSB
HSYNC
FIELD/
VIDEO TIMING I 2 C MPU PORT
VSYNC GENERATOR
BLANK
RESET
TTX
TELETEXT
TTXREQ INSERTION BLOCK
V AA BRIGHTNESS AND
CONTRAST CONTROL PROGRAMMABLE
10
+ FILTER
ADD SYNC
8 Y
8
+ SHARPNESS
INTERPOLATOR FILTER
P0
4:2:2 TO YCrCb
4:4:4 8 TO U
COLOR
YUV SATURATION CONTROL 10
DATA INTER-
8 + PROGRAMMABLE
POLATOR MATRIX
ADD BURST
10 CHROMA
P7
8 V 8 + FILTER
INTERPOLATOR
REAL-TIME
ADV7172/ADV7173
CONTROL CIRCUIT
SCRESET/RTC
IC22: NJM2845DL1-18
Low dropout voltage regulator
V IN 1 3 V OUT
Thermal
Protection
Bandgap
Reference
2
GND
M N
Page 95 K4
to VIDEO (1)_CB303
CB21
Page 96 D1
to VIDEO (2)_CB326
to DSP 6/8
M
10 10
U 10-BIT
YUV TO DAC A
L DAC
RBG
T
MATRIX
10 I 10
+ 10-BIT
DAC B
YUV P DAC
L
LEVEL
10 E 10
CONTROL 10-BIT
X DAC C
BLOCK DAC
E
R
LUMA V
DAC REF
CONTROL R
SET2
M BLOCK
+
U COMP2
L
10 10-BIT
T
DAC E
10 I DAC
P
MODULATOR 10
10 L 10-BIT
+ DAC F
E DAC
HUE X
CONTROL 10 E 10
10-BIT
DAC D
R DAC
10 10
DAC
SIN/COS
CONTROL R
DDS BLOCK SET1
BLOCK
COMP1
GND