Yamaha RX-V1800, Service Manual

Page: 134 / 181

IC164
IC165
IC166
IC167
IC168
IC169
IC171
IC170
IC172
IC173
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
134
★
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 4/5
0 1.7
3.3
0
3.3
0
0
0
0.2
0.2
3.3
0
0
1.7
1.8
0
3.3
0
3.3
0
1.8
0
3.3
3.3
3.3
0
1.8
3.3
3.3
3.3
1.8 3.3
3.3 3.3
3.3 2.4
1.8
0
0 0
0 0 0
3.3
0
1.8
0
3.3 3.3
0 0 0 0
3.3 3.3 0.3 3.3
0
3.3
1.7 0
1.8 0 2.4 2.6 0 0 0 2.4 0
0
2.6
1.8 3.3 3.3 1.6 0 1.8 0
0
0
3.3
0
0
0
0
0
0
3.3
0
0
0
0.5
0
1.8
3.3
0
0
2.1
2.4
1.3
0.7
3.1
3.3 0
0.3
0 1.2
0 0.2
0 1.3
0 3.3
0 0
0.3 0
0.3 2.4
0.3 2.6
0.3 0
0.3 0
0.2 2.4
0.2 2.6
0.2 0.1
0 3.3
0 1.6
0
0.2 0
0.2 0.2
0.2 0.2
0.2 0
0 3.3
0 0
0 0.1
0 3.3
0 3.3
0.2 0
0.2 0
0.2 0
0.2 0
0.2 0
0.2 0
0.2 0
0.2 0.1
0 3.3
0 3.3
0 0.1
0
0.1
0 0.1
0 0.1
3.3 0.1
1.3 1.2
2.4 0.1
2.1 0.1
0 3.3
0 3.3
0 1.6
3.3 0.2
2.4 0.1
0
0
0
1.7
1.6
0
0 1.7
2.6
3.3 3.3
3.3 3.1
3.3 0
0 0
0 0
0 0
0 0
0 3.3
0 0
0 0
0 0
0 0
0 0
0 3.3
3.3 0
0.5 0
0.7 0
0 3.3
0 2.4
1.3 2.4
2.4 0
2.1 0
0 3.3
3.3 2.4
2.4 0
0 0
0 0
0 3.3
0
0.1
0
3.3
3.3
to D-VIDEO 3/5
to D-VIDEO 5/5
to D-VIDEO 3/5
to D-VIDEO 5/5
to D-VIDEO 1/5
to D-VIDEO 5/5
to D-VIDEO 5/5 to D-VIDEO 2/5, 5/5
to D-VIDEO 1/5
to D-VIDEO 1/5
SCALER
IC170 : ABT1010PQ100A
High definition video scaler device
Clock Generation
Video Input
12C
24
4:2:2
Progressive
Video
27MHz
DOMAIN
Register File
FIFO
HD Scaler
Video Timing
Generator
Test Pattern
Generator
Blanking/
Borders
FIFO
601 to 709
709 to 601
CUE
Detection
135MHz
DOMAIN
27MHz
135MHz
Video Out Clk
Picture Controls
Input Format
Decoder
30
4:2:2 to 4:4:4
Dither
Bypass for Interlaced
YCbCr to RGB
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
164-169 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
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
IC171-173 : SN74LVTH245APW
3.3 V ABT octal bus transceivers with 3-state outputs