Yamaha RX-V1800 Service Manual page 132

A B C
RX-V1800/HTR-6190/DSP-AX1800
D-VIDEO 2/5
1
2
3
Page 129 F1
to A-VIDEO_CB202
4
CB121
Page 129 E1
to A-VIDEO_CB201
5
CB122
6
7
8
9
# 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.
10
132
D E F
-5.1 -5.1
0 0.7
5.1
0 0.7
0 0
0 1.4
5.1 0.4
-5.1
-5.1
0.4
5.1
0 0.7
0 0
0.8
0.1
0.4
5.1
LPF
0
0
0.3
0.2
0.2
0.3
0.1
0.1
0
0
1.1
3.3
1.6
1.9
0
0
1.1
0
0
0
1.5
0
0.1
0
G H I
1.0 0
0
1.8
0
0
VIDEO ENCODER
0 0
0.4 0
D/A
0
0.7
0.4 1.8
IC123
0 2.4
3.3 3.3
0.7 0
0.7 0
0.4 2.4
0.1 2.4
0 0
0 0
0
IC122
0.1
0
0.1
A-2
0.1
0
A/D 0
3.3
VIDEO DECODER
3.3
0
3.3
IC124
0
0
0
1.8
0
0.2
0.2
0.2
0.1
3.3
0
0.1
3.1
0
0
J K L
IC121: LA73053-TLM-E
Analog dual operational amplifier
N.C. 1
to D-VIDEO 3/5
N.C. 2
VIN1 3
+Vcc
DCCNT1 4 6dB
GND
5
VIN2 6
6dB
MUTE1 7
VIN3 8
6dB
N.C. 9
10
N.C.
N.C. 11
VIN4 12
+Vcc
DCCNT2 13 6dB
GND 14
VIN5 15
6dB
16
MUTE2
VIN6 17
6dB
-VCC4 18
to D-VIDEO 3/5
IC123: ADV7342BSTZ
Multiformat video encoder
DGND (2) V DD (2)
GND_IO VBI DATA SERVICE
INSERTION
VDD_IO
10-BIT
RGB/YCrCb
SD 4:2:2 TO 4:4:4
TO
YUV
HD DDR
VIDEO DEINTERLEAVE MATRIX
DATA
POINT A-2 XL121 (Pin 39 of IC124)
R
RGB
ASYNC
BYPASS
G/B
YCbCr
20-BIT
ED/HD
ED/HD INPUT
HDTV
TEST
DEINTERLEAVE
PATTERN
VIDEO
DATA GENERATOR
POWER
MANAGEMENT VIDEO TIMING GENERATOR
CONTROL
P_HSYNC P_VSYNC P_BLANK
IC124: ADV7401BSTZ-80
Multiformat SDTV/HDTV video decoder and RGB graphics digitizer
ANTI 10
CLAMP ALIAS A/D DATA
FILTER PREPROCESSOR
10
AIN1 12
TO
ANTI
AIN12 10
10
INPUT CLAMP ALIAS A/D DECIMATION
FILTER
MUX AND
CVBS
DOWNSAMPLING 10
S-VIDEO
ANTI 10 FILTERS
YPrPb
CLAMP A/D
SCART- ALIAS 10
(RGB + CVBS) FILTER
GRAPPHICS RGB
ANTI 10
CLAMP ALIAS A/D
FILTER
FB
SCLK
SCLK2
SERIAL INTERFACE
SDA
CONTROL AND VBI DATA
SDA2
ALSB
DCLK_IN SYNC PROCESSING AND
CLOCK GENERATION
DE_IN
HS_IN
VS_IN SSPD STDI
SOG
SOY
XTAL XTAL1
8
P40-P31
DIGITAL INPUT
P29-P20 24 8 COLORSPACE
PORT
P11-P10 CONVERSION
8
P1-P0 DVI or HDMI
to D-VIDEO 3/5
to D-VIDEO 5/5
to D-VIDEO 4/5, 5/5
to D-VIDEO 5/5
M N
IC122: SN74LVC2G125DCUR
Dual bus buffer gate
1OE 1 8 VCC
36 N.C.
1A 2 7 2OE
35 N.C.
2Y 3 6 1Y
GND 4 5 2A
34 +VCC1
DR 33 VOUT1
1
1OE
GND
32
2 6
1A 1Y
31 VOUT2
7
DR
2OE
N.C.
30
5 3
2A 2Y
29 VOUT3
DR
28 -VCC1
27 -VCC2
26 N.C.
25 +VCC2
DR 24 VOUT4
23 GND
22 VOUT5
DR
21 N.C.
20 VOUT6
DR
19 -VCC3
SCL/ SDA/ ALSB/ SFL/
MOSI SCLK SPI_SS MISO AGND V AA
ADV7342/ADV7343
SUBCARRIER FREQUENCY
MPU PORT
LOCK (SFL)
11-BIT
DAC 1
DAC 1
YUV
16x
PROGRAMMABLE TO
ADD FILTER
LUMINANCE YCrCb/ 11-BIT
SYNC DAC 2
FILTER RGB DAC 2
ADD PROGRAMMABLE 16x 11-BIT
SIN/COS DDS DAC 3
CHROMINANCE FILTER DAC 3
BURST BLOCK
FILTER
11-BIT
RGB DAC 4
DAC 4
11-BIT
DAC 5
YCbCr DAC 5
PROGRAMMABLE
TO
HDTV FILTERS
RGB MATRIX 4x
FILTER
11-BIT
SHARPNESS AND DAC 6
DAC 6
ADAPTIVE FILTER
CONTROL
16x/4x OVERSAMPLING REFERENCE
AND CABLE R SET (2)
DAC PLL
DETECT
S_HSYNC S_VSYNC CLKIN (2) PV PGND EXT_LF (2) V COMP (2)
DD REF
STANDARD DEFINITION PROCESSOR
MACROVISION STANDARD
VBI DATA RECOVERY
DETECTION AUTODETECTION
CVBS/Y
LUMA Y
LUMA LUMA
2D COMB
FILTER RESAMPLE
(5H MAX)
8
P29-P22
16
P19-P12
8
P9-P2
F SC SYNC RESAMPLE
FAST
RECOVERY EXTRACT CONTROL PIXEL
BLANK 8 DATA
OVERLAY
CONTROL
AND
CVBS Cr HS
CHROMA CHROMA AV CODE
C CHROMA CHROMA
DEMOD 2D COMB Cb INSERTION VS
FILTER RESAMPLE
(4H MAX)
FIELD/DE
Cr
Cb
Y
LLC1
Cr
Cb
SFL/
SYNCOUT
COMPONENT PROCESSOR
ACTIVE PEAK
MACROVISION CGMS DATA
AND
DETECTION EXTRACTION INT
AGC
10
DIGITAL 24
10 GAIN OFFSET AV CODE
FINE
CONTROL CONTROL INSERTION
10 CLAMP