Yamaha DSP-AX1800, Service Manual

Page: 132 / 181

CB121
CB122
IC121
IC123
IC122
IC124
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V1800/HTR-6190/DSP-AX1800
132
★
All voltages are measured with a 10M
Ω
/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.
D-VIDEO 2/5
A-2
POINT A-2 XL121 (Pin 39 of IC124)
-5.1
0
0
0
0
5.1
-5.1
-5.1
0
0
0.1
5.1
-5.1
0.7
0.7
0
0.7
0.8
0
0.4
0.4
5.1
5.1
1.0
1.7
0
3.3
0
0
1.6
0 0
3.3
0 0 1.8 1.7 0 0 0 0.1 0.1 0 1.8
0
0
0 0 0 0.1 0.1 0.1
0.9 0.9 0.5
0
0
1.8
1.7
0.8
0
3.3
0 0
3.3 3.3
0 0 0
0
0 0 0
1.8 1.6
0
1.2 1.6
0 0 0 0
0.1
3.3
1.6
1.6
0
0
0.1 1.8 3.3 3.3 3.1 3.3 3.3
3.3 0 0 0 0 0 0
0 0 0.1 1.2 0.1
0
1.8 0.1 1.6 0.2 0.1 1.6
1.8
0
0
0.4
0.7
0.4
0
3.3
0.7
0.7
0.4
0.1
0
0
0
0
0.3
0.2
0.2
0.3
0.1
0.1
0
0
0
0
0
0
0
1.5
0
0.1
0
1.1
3.3
1.6
1.9
3.3
0
3.3
0
0
0.2
0.2
0.2
0.1
3.3
0
0.1
3.1
0
0
0
1.8
0
3.3
0
0
0.1
0.1
0.1
0
1.1
0
0
0
0
0
0
0
1.8
2.4
3.3
0
0
2.4
2.4
0
0
1.4
0.4
to D-VIDEO 3/5
to D-VIDEO 3/5
to D-VIDEO 3/5
to D-VIDEO 5/5
to D-VIDEO 5/5
to D-VIDEO 4/5, 5/5
VIDEO ENCODER
D/A
LPF
A/D
VIDEO DECODER
AIN1 12
TO
AIN12
CVBS
INPUT
MUX
CLAMP DATA
PREPROCESSOR
DECIMATION
AND
DOWNSAMPLING
FILTERS
A/D
10
Y
S-VIDEO
YPrPb
SCART-
(RGB + CVBS)
GRAPPHICS RGB
FB
SCLK
SCLK2
SDA
SDA2
ALSB
DCLK_IN
DE_IN
HS_IN
VS_IN
SOG
SOY
XTAL XTAL1
P40-P31
24
P29-P20
P11-P10
P1-P0
10 CVBS/Y
CVBS
C
Cr
Cb
10
10
10
ANTI
ALIAS
FILTER
CLAMP A/D
10
Cr
Cr
Y
Cb
Cb
ANTI
ALIAS
FILTER
CLAMP A/D
10 ANTI
ALIAS
FILTER
CLAMP
SERIAL INTERFACE
CONTROL AND VBI DATA
A/D
10
10
10
10
8
8
8
SYNC PROCESSING AND
CLOCK GENERATION
DIGITAL INPUT
PORT
DVI or HDMI
COLORSPACE
CONVERSION
DIGITAL
FINE
CLAMP
ACTIVE PEAK
AND
AGC
MACROVISION
DETECTION
CGMS DATA
EXTRACTION
COMPONENT PROCESSOR
GAIN
CONTROL
OFFSET
CONTROL
AV CODE
INSERTION
SSPD STDI
ANTI
ALIAS
FILTER
24
16
8
P29-P22
P19-P12
P9-P2
PIXEL
DATA
HS
8
VS
FIELD/DE
LLC1
INT
SFL/
SYNCOUT
8
MACROVISION
DETECTION
STANDARD
AUTODETECTION
VBI DATA RECOVERY
FSC
RECOVERY
LUMA
FILTER
LUMA
RESAMPLE
OUTPUT FIFO AND FORMA
TTER
SYNC
EXTRACT
RESAMPLE
CONTROL
LUMA
2D COMB
(5H MAX)
CHROMA
FILTER
CHROMA
RESAMPLE
CHROMA
2D COMB
(4H MAX)
FAST
BLANK
OVERLAY
CONTROL
AND
AV CODE
INSERTION
CHROMA
DEMOD
STANDARD DEFINITION PROCESSOR
IC124 : ADV7401BSTZ-80
Multiformat SDTV/HDTV video decoder and RGB graphics digitizer
IC121: LA73053-TLM-E
Analog dual operational amplifier
35 N.C.
33 VOUT1
31 VOUT2
30 N.C.
29 VOUT3
32 GND
36 N.C.
34 +VCC1
2 N.C.
4 DCCNT1
6 VIN2
7
MUTE1
8 VIN3
5 GND
1 N.C.
3
VIN1
27 -VCC2
25 +VCC2
23 GND
22 VOUT5
21 N.C.
24 VOUT4
28 -VCC1
26 N.C.
10 N.C.
12 VIN4
14 GND
15 VIN5
16 MUTE2
13 DCCNT2
9 N.C.
11 N.C.
19 -VCC3
20 VOUT6
18 -VCC4
17 VIN6
DR 6dB
+Vcc
DR 6dB
DR 6dB
DR 6dB
+Vcc
DR 6dB
DR 6dB
IC122 : SN74LVC2G125DCUR
Dual bus buffer gate
1
2
3
4
8
7
6
5
1OE
1A
2Y
GND
VCC
2OE
1Y
2A
1A 1Y
1OE
1
2
2A 2Y
2OE
7
5
6
3
R
GND_IO
VDD_IO
10-BIT
SD
VIDEO
DATA
20-BIT
ED/HD
VIDEO
DATA
S_HSYNC P_HSYNC P_VSYNC P_BLANK S_VSYNC
11-BIT
DAC 1
DAC 1
11-BIT
DAC 2
DAC 2
11-BIT
DAC 3
DAC 3
11-BIT
DAC 4
DAC 4
11-BIT
DAC 5
DAC 5
11-BIT
DAC 6
DAC 6
MULTIPLEXER
REFERENCE
AND CABLE
DETECT
16x/4x OVERSAMPLING
DAC PLL
VIDEO TIMING GENERATOR
POWER
MANAGEMENT
CONTROL
CLKIN (2) PV
DD
PGND EXT_LF (2) V
REF
COMP (2)
R SET (2)
ED/HD INPUT
DEINTERLEAVE
PROGRAMMABLE
HDTV FILTERS
SHARPNESS AND
ADAPTIVE FILTER
CONTROL
YCbCr
HDTV
TEST
PATTERN
GENERATOR
YCbCr
TO
RGB MATRIX
G/B
RGB
ASYNC
BYPASS
RGB
DGND (2) V
DD
(2)
SCL/
MOSI SDA/
SCLK ALSB/
SPI_SS
SFL/
MISO
MPU PORT
SUBCARRIER FREQUENCY
LOCK (SFL)
YUV
TO
YCrCb/
RGB
PROGRAMMABLE
CHROMINANCE
FILTER
ADD
BURST
RGB/YCrCb
TO
YUV
MATRIX
4:2:2 TO 4:4:4
HD DDR
DEINTERLEAVE
SIN/COS DDS
BLOCK
16x
FILTER
16x
FILTER
4x
FILTER
AGND V AA
ADD
SYNC
VBI DATA SERVICE
INSERTION
PROGRAMMABLE
LUMINANCE
FILTER
ADV7342/ADV7343
IC123 : ADV7342BSTZ
Multiformat video encoder
to A-VIDEO_CB202
Page 129 F1
to A-VIDEO_CB201
Page 129 E1