Yamaha RX-V767, Руководство по обслуживанию

Страница: 117 / 164

A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
MN
117
DIGITAL 5/7
RX-V767/HTR-7063/RX-A800
★
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
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
5.6
3.1
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
5.6
0
0
0 0
0
3.1
0
0
3.4
3.4
3.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.4
3.4
3.4
3.4
3.4
3.4
3.4
GND
EN
SDAB SCLB
SDAA SCLA
CCA
V
CCB
V
CCB
pull-up resistor
V
IC91
:
PC
A951
7DP
Le
v
el tr
anslating I
2
C-b
us r
epeat
er
3
1
8
4
6 7
2 5
V
DD CE
Vr
ef
43 12
Curr
ent Limit
V
OUT
GND
Pin No
.
1 2 3 4
S
ymbol
V
OUT
GND
CE
V
DD
Descr
iption
Output Pin Gr
ound Pin
Chip Enab
le ("H"
A
ctiv
e)
Input Pin
IC95
: RP1
30Q331D-TR-F
V
olt
age r
egulat
or
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
V
CC
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
V
CC
R
INT
RX2
Rx2
RX1
TMDS Driver
TMDS Receiver w/EQ
V
CC
R
INT
TMDS Driver
TMDS Receiver w/EQ
V
CC
R
INT
TMDS Driver
TMDS Receiver w/EQ
V
CC
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
RX-A800 model
DIGITAL (2)
DIGITAL (3)
to DIGITAL (1)_CB901
Page 118
A3
to DIGITAL (1)_CB8
Page 113
L1