Yamaha HTR-8063, Service Manual

Page: 131 / 185

A
1
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5
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7
8
9
10
B C D E F G H I J K L M N
131
DIGITAL 5/8
RX-V1067/HTR-8063/RX-A1000
★
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。
IC91
CB94
CB93
CB981
IC981
IC94
IC95
0 0
00 00 00 0
0
00 0
0
00 00 00 00 00
0 0 0 0 0 0 0 0 0 0 0 0
0
0
0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0
5.5 2.9
0
0
0
0 0 0
0
0 0 0
0 0 0 0 0 0 0 0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 5.5
0
0
0
0
0
2.9
0
0
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0 0 0 0 0 0 0 0
0
3.3
3.3
3.3
3.3
0
3.3
GND
EN
SDAB
SCLB
SDAA
SCLA
CCA
V
CCB
V
CCB
pull-up
resistor
V
IC91 : PCA9517DP
Level translating I
2
C-bus repeater
3
1 8
4
6
7 2
5
V
DD
CE
Vref
4 3
1 2
Current Limit
V
OUT
GND
Pin No.
1
2
3
4
Symbol
V OUT
GND
CE
V DD
Description
Output Pin
Ground Pin
Chip Enable ("H" Active)
Input Pin
IC95 : RP130Q331D-TR-F
Voltage regulator
IC94 : TMDS141RHAR
HDMI switch
IC981 : TRS3221ECPWR
3 V to 5.5 V single channel RS-232 line driver/receiver
with ±15 kV IEC ESD protection
1
2
3
16
14
EN
C1+
V+
4
5
6
C1-
C2+
C2-
7
8
V-
RIN
15 VCC
GND
FORCEOFF
13 DOUT
12 FORCEON
11 DIN
10 INVALID
9 ROUT
11 13
10
8
1
DIN
FORCEOFF
FORCEON
ROUT
Auto-Powerdown
16
12
9
EN
RIN
INVALID
DOUT
TMDS
Receiver
w/EQ
VCC
R
INT
RX2
Rx2
RX1
TMDS
Driver
TMDS
Receiver
w/EQ
VCC
R
INT
TMDS
Driver
TMDS
Receiver
w/EQ
VCC
R
INT
TMDS
Driver
TMDS
Receiver
w/EQ
VCC
R
INT
TMDS
Driver
OE
PRE
VSADJ
RX1
RX0
RXC
RX0
RXC
RSCL
RSDA
OVS
I2CEN
TX2
Tx2
TX1
TX1
TX0
TXC
TX0
TXC
TSCL
TSDA
30
6
7
9
10
12
13
15
16
18
19
22
23
2
1
39
38
36
35
33
32
28
25
5
29
VIDEO AUX
HDMI IN
RS-232C
DIGITAL (2)
DIGITAL (3)
to DIGITAL (1)_CB901
Page 132 A3
to DIGITAL (1)_CB8
Page 127 L1
DRAFT