Yamaha DSP-AX763, Руководство по обслуживанию, Страница: 109 / 155

CB80 CB81
CB82
IC80
IC84
IC82
IC99
IC85
IC89
IC87
IC86
IC92
IC93
IC91
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-V663/HTR-6160/DSP-AX763
109
★
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.
DIGITAL 5/5
C-1
B-3
1.6 0
0
1.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
3.3
2.6
3.3
3.1
3.3
3.3
1.4
1.3
0
0
3.3
5.0
5.0
0
3.3
3.3
3.3
0
3.3
3.3
3.2
3.2
3.3
3.3
3.3
3.3
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
2.6
2.6
2.6
2.6
0
0
4.7
4.7
3.3
3.3
0
1.3 0.7
1.9
0
3.3
0
3.3 3.3
0 0 0 0 0 0
1.5
1.3
3.3
0
3.3
3.3
0
0
3.2
3.3
0
1.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
0.8 0.8
0 0 0 0 0
0.3
3.3
0
3.3
0
3.3
0
2.5
0
4.8
2.5
0
0
0
2.5 2.5 2.5 2.5
0
0
0 0 4.8
4.8
2.4 2.4 2.4
0
2.4
4.8
2.4
0
0
4.8
0
0
0
0
0
0 0 4.8
4.8
2.5
4.8
0
2.4 2.6
0
2.5 2.5 5.0 5.0 0.9 5.0
5.0
5.0
5.0 4.9
5.0
0
5.0
5.0
0 0 0
2.0
0.7
0.3
0
0.4
-4.9
0.9
0.5 5.0
4.9 5.0
0
0
1.0
0.8
0
0.3
0
0.3
0
0.3
0
0
3.4
0
0
0
3.4
0
0
0
0
0.4
0
0
0
0.4
0
3.3
3.2
3.3
3.3
0
0
0
0
0
0
0
0
0
1.8
0 0 0 0 0 0 0 0 0 0 0 0
3.3
0 0 0 0 0 0 0 0 0 0
1.2 1.3
0
1.8 2.1 3.3 1.4 0.9 1.0 1.2
0 0
3.3
0 0 0
1.7
0 0
0
0
0
3.4
1.8
0
1.8
0
3.3
2.6
3.3
3.2
1.7
1.7
1.6
0
0.9
3.3
1.6
1.6
1.6
1.6
0.7
0.8
0.8
0.8
0
0
0
0
1.7
0
0
0
0
3.4
0
0 0 0 0 1.8 3.3 0 1.7 1.8 1.8 3.4 0 0
0 0 0 0 0 0 0 0 0
0
0
0
0 0 0 0 0 0 0 0 0
0
3.4 3.4
1.8
Serial 8-bits
latch
command
decoder
Horizontal
character
size
register
Horizontal
size
counter
+ parallel
converter
IC85 : LC74782JM-8A16-TLMC
The on-screen display controller LSI
RST
CTRL3
CTRL2
SEP
IN
SYN IN
CV IN
CV
OUT
SEP OUT
SEPC
VDD1
VDD1
NC
1
2
3
4
24
23
22
21
Xtal IN
Xtal
OUT
CTAL1
BLANK
OSCIN
CHARA
SCLK
SIN
VDD2
CS
OSC OUT
VSS1
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13
Vertical
character
size
register
Vertical
size
counter
Horizontal
display
position
register
Horizontal
character
size
register
Horizontal
dot counter
31 inking
3nd inversion
control
register
31 inking
3nd inversion
control
register
31 inking
3nd inversion
control
register
Character
control
counter
Timing generator
Line
control
counter
31 inking
3nd inversion
control
register
Vertical
display
position
register
Vertical
dot counter
Horizontal
character
size
register
Horizontal
character
size
register
Horizontal
character
size
register
Display
control
register RAM write
address
counter
Display RAM
Decoder
Decoder
Font RAM
Shift
register Character output
control
Background control
Video output control
Synchronization
signal generator
13 15 5 2 4 21
22
20
19
18
17
3
7
6
12
24
23
10
11
9
1
8
IC89 : TC7WZ32FK (TE85L, F)
Dual 2-input OR gate
1 1A
2 1B
3 2Y
4 GND
8 Vcc
7 1Y
6 2B
5 2A
IC86, 87 : TC74VHCU04FT
Hex inverters
IC84 : ADV7172KSTZ
Digital PAL/NTSC video encoder
8
8
10-BIT
DAC
RSET1
COMP1 ADV7172/ADV7173
COLOR
DATA
P0
VREF
RSET2
COMP2
P7
DAC E
DAC F
DAC D
DAC A
DAC B
DAC C
BRIGHTNESS AND
CONTRAST CONTROL
+
ADD SYNC
+
INTERPOLATOR
10
LUMA
PROGRAMMABLE
FILTER
+
SHARPNESS
FILTER
SATURATION CONTROL
+
ADD BURST
+
INTERPOLATOR
10
PROGRAMMABLE
CHROMA
FILTER
10
8
8
8
REAL-TIME
CONTROL CIRCUIT
SCRESET/RTC
MODULATOR
+
HUE
CONTROL
10
10
10
10
10-BIT
DAC
10
10-BIT
DAC
10
M
U
L
T
I
P
L
E
X
E
R
Y
U
V
8
4:2:2 TO
4:4:4
INTER-
POLATOR
10 10
SIN/COS
DDS BLOCK
DAC
CONTROL
BLOCK
DAC
CONTROL
BLOCK
10-BIT
DAC
10
10
10
10
10-BIT
DAC
10
10-BIT
DAC
10
M
U
L
T
I
P
L
E
X
E
R
YUV TO
RBG
MATRIX
+
YUV
LEVEL
CONTROL
BLOCK
I2C MPU PORT
HSYNC
FIELD/
VSYNC
BLANK
TTX
TTXREQ
VAA
RESET
TELETEXT
INSERTION BLOCK
YCrCb
TO
YUV
MATRIX
CLOCK CSO_HSO VSO CLAMP SCLOCK SDATA ALSB
VIDEO TIMING
GENERATOR
GND
PAL NTSC
VCC
6A
5A
4A
6Y
5Y
4Y GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
INPUT MUX
OUTPUT FIFO AND FORMATTER
IC82 : ADV7800BSTZ-80
10-bit, SDTV/HDTV 3D comb filter, video decoder and graphics digitizer
CLAMP
12
ANTIALIAS
FILTER
ADC
24
P30 TO P53
GRAPHICS RGB
AIN1
AIN12
CVBS
S-VIDEO
SCART-
(CBVS+RGB)
YPrPb
TO
CVBS OUT
FB
HS_IN2
VS_IN2
HS_IN
VS_IN
SOG
SOY
SCLK
SCLK2
SDA
SDA2
ALSB
INT
CLK_IN
DE_IN
10
CLAMP ANTIALIAS
FILTER
ADC
10
CLAMP
ANTIALIAS
FILTER
ADC
10
2D COMB
CLAMP
DIGITAL INPUT PORT
DVI OR HDMI
SYNC PROCESSING AND
CLOCK GENERATION
SERIAL INTERFACE
CONTROL AND VBI DATA
COLORSPACE
CONVERSION SSPD STDI
ANTIALIAS
FILTER
ADC
10
10
10
10
10
DAC
CORE
CLK
COMPONENT PROCESSOR (CP)
STANDARD DEFINITION PROCESSOR (SDP)
DDR/SDR-SDRAM INTERFACE
DDR/SDR-SDRAM INTERFACE
VBI DATA PROCESSOR (VDP)
GAIN
CONTROL
MACROVISION
DETECTION
ACTIVE PEAK
AND AGC
DIGITAL
FINE
CLAMP
AV CODE
INSERTION
OFFSET
CONTROL
LLC
SFL/SYNC_OUT
FIELD/DE
VS
CS/HS
PIXEL DATA
P0 TO P53
AV CODE
INSERTION
FAST BLANK
OVETLAY
CONTROL
VERTICAL
PEAKING
MACROVISION
DETECTION
HORIZONTAL
PEAKING
CTI
LTI ITOP
STANDARD
AUTODECTION
COLORSPACE
CONVERSION
525p/625p
SUPPORT
3D COMB
TBC
MUX
54
IC80 : R1172S331B-E2-F
CMOS-based positive-voltage regulator IC
VDD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
VOUT
GND
POINT B-3 XL80 (Pin 3 of IC85)
POINT C-1 XL81 (Pin 81 of IC82)
VDD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
VOUT
GND
IC99 : R1172S181B-E2-F
Voltage regulator
1 DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC91-93 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
VIDEO DECODER
to DIGIT
A
L 2/5
to DIGIT
A
L 2/5
to DIGIT
A
L 1/5
VIDEO
ENCODER
BUS BUFFER
OSD
VIDEO DECODER
REGULATOR
DSP-AX763 DSP-AX763 RX-V663 RX-V663 RX-V663/HTR-6160 RX-V663/HTR-6160
to VIDEO (1)_CB305
Page 114 K6
to VIDEO (2)_CB356
Page 115 I9
to MAIN (2)_W109
Page 113 K8