Yamaha HTR-8063, Service Manual

Page: 140 / 185

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-V1067/HTR-8063/RX-A1000
140
VIDEO 1/3
★
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.
● 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あります。
CB301
JK302
JK302
JK302
JK302
JK302
JK302
JK301
JK301
JK301
JK301
JK301
JK301
IC301
IC302
IC303
IC308
IC306
IC307
W3002
CB302
CB303
CB304
IC305
IC304
0
0
0
0
0
0
0 0
0
0
0
0
0
0
-3.3
0
0
0
0
0
0
3.3
0 0
0
0
0
0
0
0
-3.3
0
0
0
0
0
3.3
3.3
0 0
0
0
0
0
0
0
-3.3
0
0
0
0
0
0
3.3
0 0
0
0
0
0
0
0
-3.3
0
0
0
0
0
3.3
3.3
0
0
0
0
0
0
0
0
0
-3.3
0
0
0.9
0
3.3
3.3
0
0
3.3
0
0
3.3
3.3
3.3
3.3
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
0
-0.6
0
3.3
-0.6
0
3.3
-0.6
0
3.3
3.3
2.9
0
0 0 0
0 0 0 0
0 0 0 0 0 0 0
0
0
-3.3 -3.3 -3.3 3.3 3.3 3.3
-3.3 -3.3
0
0 0 0 0 0 0
0
0
3.3
-3.3 2.9 2.9 3.3 3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-3.3
3.3
-3.3
3.3
0
0
0
0
0
0
0
0
0
0
0
3.3
0
0
0
3.3
-3.3
2.5
3.3
2.9
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-3.3
3.3
3.3
0.9
0.9
0.7
0.7
IC306 : LC709004A-TLM-E
I/O-expander for microcontroller
C
ontr
ol logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00 P07
2 14
15
19
3
4
21
24 17
port 1 I/O buffer
P1
0
P1
7
15 8
4 1
6 2
COM 3
7 4
5 5
INH 6
VEE 7
GND 8
Vcc 16
2 15
1 14
0 13
3 12
A 11
B 10
C 9
IC301-304 : TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
Logic
Level
Converter
OUTC IN
OUTC IN
A
B
C
INH
COM
0
1
2
3
4
5
6
7
IC308 : TC74HC4052AF
Analog multiplexer/demultiplexer
16
VCC
6
INH
10
A
9
B
8 GND
7 VEE
12 0X
14
1X
15 2X
11 3X
1 0Y
5 1Y
2
2Y
4 3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13 X-COM
3 Y-COM
INHIBIT
0
0
0
0
1
B
0
0
1
1
X A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
79 1k ohms 6dB/0dB VOUT4
77 1k ohms 6dB/0dB VOUT5
83 75 ohms VOUT1
82 75 ohms VOUT2
81 75 ohms VOUT3
69 1k ohms 6dB/0dB YOUT3
68 1k ohms 6dB/0dB YOUT4
71 75 ohms YOUT1
70 75 ohms YOUT2
60 1k ohms 6dB/0dB PBOUT3
59 1k ohms 6dB/0dB PBOUT4
62 75 ohms PBOUT1
61 75 ohms PBOUT2
51 1k ohms 6dB/0dB PROUT3
49 1k ohms 6dB/0dB PROUT4
53 75 ohms 6dB PROUT1
52 75 ohms 6dB
6dB
6dB
6dB
6dB
6dB
6dB
6dB
PROUT2
VIN1 87
VIN2 88
VIN3 89
VIN4 91
VIN5 92
VIN6 93
VIN7 94
VIN8 95
VIN9 96
YIN1 15
YIN2 16
YIN3 18
YIN4 19
YIN5 21
YIN6 22
PBIN1 30
PBIN2 31
PBIN3 32
PBIN4 33
PBIN5 34
PBIN6 35
PRIN1 44
PRIN2 43
PRIN3 42
PRIN4 41
PRIN5 40
PRIN6 39
BIASV1
86
BIASPR2
47
EX1
8
VDD
99
SCL
6
SDA
5
EX2
9
BIASPR1
38
BIASPB2
58
BIASPB1
28
BIASY2
67
BIASY1
13
BIASV2
76
PS
3
GND
100
VEE
1,11,26,37,46,56,65,74,85
VCC
24,36,45,54,63,72,84,97
I2C BUS BIAS
IC305 : NJW1327FU1
Multi input SD/HD video interface with I
2
C control
VIDEO (1)
To VIDEO 2/3
To VIDEO 2/3
To VIDEO 2/3
COMPONENT
VIDEO
MONITOR OUT/
ZONE OUT
MON. OUT/
ZONE OUT
(1 BD/DVD)
VIDEO SELECTOR
INPUT
SELECTOR
ZONE
SELECTOR
OUTPUT
SELECTOR
to DIGITAL (1)_CB34
Page 128 H2
to DIGITAL (1)_CB32
Page 128 E2
to FUNCTION (3)_W801
Page 136 K4
DRAFT