Yamaha AX-V1065, Service Manual

Page: 123 / 166

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
123
DIGITAL 5/5
RX-V1065/HTR-6280/AX-V1065
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠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、
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。
● 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ございます。
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
IC73 IC74
CB73 CB72
CB71 CB70
IC75
IC75
IC76
IC77
IC78
IC71
IC70
IC72
0.6 1.8 1.8 1.7 1.8
1.5
3.3
0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1.4 1.2 1.1 1.0 1.4
0 0 0 0 0 0 0
2.1 3.4 0.9
3.4
1.8 1.8 1.8
3.4
3.4 3.3
3.4 1.0 0 0
0 0 0 0 0 0 0 0 0 0 0
3.4
2.1
3.4 3.4
0.7 0.8 0.8 1.0 0.8
0
0
0
1.7
3.4 3.4
3.4 3.4 3.4
1.8 1.8 1.6
0 0 0 0 0 0 0 0 0 0
1.6 1.6 1.7
1.7
0
2.5 2.5
1.7 1.7 3.4 3.4 1.5 0 1.8
0 0 0 0 0 0 0 0
1.8 1.8 1.8 1.9 1.8
2.6
1.9 3.4 3.4 3.4 3.4
3.1
0.4
0 0
0 0
0 0
0
5.0
0 0 0 0 0 0 0 0 0 0 0
0
0 0 0 0 0 0 0 0 0
0 0
1.9 0
0
1.9 1.8 1.8
1.8
1.8 1.8
1.8 1.9
1.8
1.9 3.4 3.4 5.6
0 3.4 0 3.4
1.8
0
1.8
0
3.4
1.9
1.8
3.2
3.2
3.4
3.4
3.4
3.4
3.4
2.6
2.6
3.4
0.9
1.9
2.0
1.6
0
0
0
0
0
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.3
0.4
1.7
0
0.6
0.9
0.9
0
0
0
0
1.7
1.6
1.7
0
0
0
0
0
0
1.3
0
0.7
2.5
2.5
1.5
1.3
0
0
3.3
3.3
3.2
2.5
2.5
3.3
0
1.7
0
0
0
0
0
0
1.9
1.9
1.9
2.6
0.2
0.4
0
0
0
0
0
1.7
1.7
1.6
1.5
1.8
0
1.7
0
1.5
0
1.9
3.4
3.4
0
1.8
1.8
2.7
1.7
0
0
0
0
1.5
1.9
1.8
1.8
3.4
2.6
0
1.7
3.4
3.4
1.3
1.7
1.6
1.7
0
0
0
0
0
1.7
1.7
1.6
1.6
1.6
3.2
3.3
0
0
0
0
0
3.3
3.4
3.4
1.7
1.3
2.5
3.4
3.4
2.5
1.3
3.2
3.3
0
0
0
0
0
1.0
0
0.9
1.1
1.2
1.4
0
0
0
0
3.4
1.4
3.4
1.7
1.8
1.7
1.8
0
1.8
3.3
3.3
1.7
1.7
1.6
2.7
0
0
0.7
0.8
0.8
1.0
0
0
0
0
0.8
0
0
1.7
3.3
3.2
3.2
0.9
1.6
1.6
1.6
1.6
3.3
0
0.6
0
0
1.9
POINT E XL70 (Pin 81 of IC70)
E
IC71 : ABT1012Q100
Advanced video processor device
CUE/
Sharpness/
YC Delay
Border Gen.
Masking Gen.
Panorama
Processor
Interface &
Control
Registers
10
HD Scaler
Sync Generator
Tri-Sync
Generator
Test Pattern
Generator
Dynamic
Range
Expansion
Color Space
Conversion
Dynamic
Range
Compression
Scaler Bypass
Video Input
12-bits in Y;
12-bits in C
10-bits in Y;
10-bits in C
Video Timing
Generator
Clock Generation
27MHz
ABT1012
27MHz
(optional) Video
output clock
150MHz
Video Out Clk
10
12
12
12
10
12
12
12
10
10 10
Pin to Pin Bypass
I2C
20
Input Video
Output Video
24
Input Format/
Color Space
Decoder
Output Format
Converter
Picture Controls
3x3 Input matrix
Input
Bus
Mapping Output
Bus
Mapping
12
3x3 Output
Matrix
12
12
INPUT MUX
OUTPUT FIFO AND FORMATTER
IC70 : 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
IC73 : R1172H181B-T1-F
Voltage regulator
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
NC
V
DD
V
OUT
Description
Chip Enable Pin
Ground Pin
No Connection
Input Pin
Output Pin of Voltage Regulator
Vref
4 5
1 2
Current Limit
V
OUT
GND
V DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
NC
V DD
V OUT
Description
Chip Enable Pin
Ground Pin
No Connection
Input Pin
Output Pin of Voltage Regulator
Vref
4 5
1 2
Current Limit
V OUT
GND
IC74 : R1172H331D-T1-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
IC76-78 : SN74LVTH245APW
3.3 V ABT octal bus transceivers with 3-state outputs
IC75 : TC7WZ32FK (TE85L, F)
Dual 2-input OR gate
1 1A
2 1B
3 2Y
4 GND
8 Vcc
7 1Y
6 2B
5 2A
IC72 : ADV7172KSTZ
Digital PAL/NTSC video encoder
8
8
R
SET1
COMP1
ADV7172/ADV7173
COLOR
DATA
P0
V
REF
R
SET2
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
10
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
10
10
10
10
10-bit
DAC
10-bit
DAC
10-bit
DAC
10-bit
DAC
10-bit
DAC
10-bit
DAC
10
M
U
L
T
I
P
L
E
X
E
R
M
U
L
T
I
P
L
E
X
E
R
YUV TO
RBG
MATRIX
+
YUV
LEVEL
CONTROL
BLOCK
I
2
C MPU PORT
HSYNC
FIELD/
VSYNC
BLANK
TTX
TTXREQ
V AA
RESET
TELETEXT
INSERTION BLOCK
YCrCb
TO
YUV
MATRIX
CLOCK CSO_HSO VSO CLAMP SCLOCK SDATA ALSB
VIDEO TIMING
GENERATOR
GND
PAL_NTSC
VIDEO DECODER & I/P
SCALER
to DIGITAL 1/5
to DIGITAL 2/5
to VIDEO (9)_CB391
(B, G, E, F models)
Page 130 C3
to VIDEO (1)_CB304
Page 128 J9