Yamaha RX-V1067 Service Manual page 128

A B C
RX-V1067/HTR-8063/RX-A1000
DIGITAL 2/8
1
2
3
4
0
0
0
0
0
5
0
0
0
0
0
0
3.3
0.4
0.4
0
3.3
0
0.4
0
0.7
0.5
0
6 1.6
0
0.5
0
0
0
0
2.9
3.3
2.5
2.5
3.3
0
0
0
0
0
0
7
0
0
0
8
9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed. パーツリストに記載されている部品を使用してください。
★ Schematic diagram is subject to change without notice.
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
128
D E F
Page 140 M7
to VIDEO (1)_CB303
1.8 1.8 1.8
3.3 5.5
1.9
1.9 0
0
IC31 0
3.3
3.3
3.3 1.8
1.8 0
0
A
0
3.3
VIDEO DECODER and I/P
1.8
0
IC32
1.8
0
3.3
2.5
3.2
3.1
1.6
0
3.3
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
G H I
Page 140 M6
to VIDEO (1)_CB302
1.3 0
1.3 VIDEO
1.5
3.3
1.3
ENCODER 2.9
0
2.9
3.3
IC41
3.3 3.3
0 0
3.3 3.3
3.3 3.3
3.3
0
0 0
0
1.7
0.4
0
0.2
1.5
0 1.5
0 1.2
0 1.3
0 1.2
0 1.4
0 2.0
0 2.5
0
3.3
3.3
0
1.6 0
3.1
1.7
3.3
0
0 0
0
0
0
0
0
3.3
0 0
0
3.3
0
0
0 0
0 0
POINT A XL31 (Pin 81 of IC32)
0 0
0 0
0 0
0 0.2
3.3 0
0
1.7
1.7
0
0 0
1.1 0
0.6 1.2
0.6
0.5
0.4 0.5
0.4 0.5
0 0.4
3.3 0
0 0
0 3.3
0.2 3.3
0.4 3.3
3.2 3.3
3.3
3.3
2.5 3.3
1.6 2.6
0 1.7
3.3 0
DIGITAL (1)
J K L
2.9 2.5
3.3
2.9 2.5
To DIGITAL 6/8
3.3
To DIGITAL 1/8
IC32: ADV7800BSTZ-80
10-bit, SDTV/HDTV 3D comb filter, video decoder and graphics digitizer
12 10 10
ANTIALIAS
CLAMP ADC
FILTER
AIN1
TO
10 10
AIN12 ANTIALIAS
CLAMP
ADC
FILTER
CVBS
S-VIDEO
YPrPb 10 10
ANTIALIAS
SCART- CLAMP ADC
FILTER
(CBVS+RGB)
GRAPHICS RGB
10 10
ANTIALIAS
CLAMP ADC
FILTER
FB
CVBS OUT DAC
24
P30 TO P53
CORE
HS_IN2
DIGITAL INPUT PORT
VS_IN2 CLK
DVI OR HDMI
CLK_IN
DE_IN
SYNC PROCESSING AND
HS_IN
CLOCK GENERATION
VS_IN
SOG
SSPD STDI
SOY COLORSPACE
CONVERSION
SCLK
SCLK2
SERIAL INTERFACE
SDA
CONTROL AND VBI DATA
SDA2
ALSB
IC41: ADV7172KSTZ
Digital PAL/NTSC video encoder
CLOCK PAL_NTSC CSO_HSO VSO CLAMP SCLOCK SDATA ALSB
HSYNC M
10 10
U 10-bit
FIELD/ VIDEO TIMING I 2 C MPU PORT YUV TO
L
VSYNC RBG DAC
GENERATOR
T
MATRIX
BLANK 10 I 10
+ 10-bit
P
YUV DAC
RESET L
LEVEL
10 E 10
CONTROL 10-bit
TTX TELETEXT X
BLOCK
DAC
TTXREQ INSERTION BLOCK E
R
V BRIGHTNESS AND LUMA
AA DAC
CONTRAST CONTROL PROGRAMMABLE
10 CONTROL
+ FILTER
M
ADD SYNC + BLOCK
8 Y 8 U
+ SHARPNESS
L
INTERPOLATOR FILTER 10
T 10-bit
P0
4:2:2 TO YCrCb
10 I DAC
8 U
COLOR 4:4:4 TO P
SATURATION CONTROL 10
MODULATOR 10
DATA INTER- YUV L 10-bit
8 + PROGRAMMABLE 10
+ E
POLATOR MATRIX ADD BURST CHROMA DAC
P7 10
8 HUE X
V 8 + FILTER
10 E 10 10-bit
INTERPOLATOR CONTROL
R DAC
10 10
DAC
REAL-TIME SIN/COS
ADV7172/ADV7173
CONTROL
CONTROL CIRCUIT DDS BLOCK
BLOCK
SCRESET/RTC GND
M N
IC31: RP130Q181D-TR-F
Voltage regulator
V V
DD 4 3 OUT
Vref
Current Limit
CE 1 2 GND
Pin No. Symbol Description
1 CE Chip Enable ("H" Active)
2 GND Ground Pin
3 V OUT Output Pin
4 V DD Input Pin
IC33: R1172S331B-E2-F
CMOS-based positive-voltage regulator IC
V V
DD 6 1 OUT
Vref
Current Limit
CE 3 2,5 GND
Pin No. Symbol Description
1 V Output Pin of Voltage Regulator
OUT
2, 5 GND Ground Pin
3 CE Chip Enable Pin
4 NC No Connection
6 V DD Input Pin
To DIGITAL 3/8
IC36-40: SN74LVC245APWR
Octal bus transceivers with 3-state outputs
DIR 1 20 Vcc
A1 2 19 OE
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
7 14
A6 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
DDR/SDR-SDRAM INTERFACE
STANDARD DEFINITION PROCESSOR (SDP)
DDR/SDR-SDRAM INTERFACE
525p/625p MACROVISION STANDARD
54
SUPPORT DETECTION AUTODECTION PIXEL DATA
P0 TO P53
AV CODE
2D COMB VERTICAL
INSERTION
PEAKING
COLORSPACE
HORIZONTAL CONVERSION CS/HS
FAST BLANK
3D COMB PEAKING
OVERLAY
CONTROL
VS
CTI
TBC FIELD/DE
LTI ITOP
SFL/SYNC_OUT
VBI DATA PROCESSOR (VDP)
COMPONENT PROCESSOR (CP)
LLC
MACROVISION ACTIVE PEAK
DETECTION AND AGC
DIGITAL INT
GAIN OFFSET AV CODE
FINE
CONTROL CONTROL INSERTION
CLAMP
48 47 46 45 44 43 42 41 40 39 38 37
V 1
AA 36 COMP1
PIN 1
DAC A
P0 2 IDENTIFIER 35 DAC A
P1 3 34 V
AA
DAC B
P2 4 DAC B
33
DAC C P3 5 32 V
AA
ADV7172/ADV7173
P4 6 31
GND
TOP VIEW
V REF P5 7
30 V AA
(Not to Scale)
R
SET2
P6 8 29 DAC C
COMP2
P7 9 DAC D
28
CSO_HSO 10
DAC E 27 V
AA
V 11 26 GND
AA
DAC F
GND 12
25 DAC E
DAC D 13 14 15 16 17 18 19 20 21 22 23 24
R
SET1
COMP1