Yamaha DSP-AX1600, Руководство по обслуживанию

Страница: 103 / 151

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-V1600/DSP-AX1600
SCHEMATIC DIAGRAM (OPERATION)
103
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
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.
Y 4
B 2
GND 3
IC902 : SN74AHCT1G32DCKR
SINGLE 2-INPUT POSITIVE-OR GATE
Vcc 5 A 1
IC903: BA15218F
Dual high slew rate, low noise operational amplifier
– +
+ –
1
2
3
4
8
7
6
5
OUT1
– IN1
+ IN1
V EE
V CC
OUT2
– IN2
+ IN2
1ch
2ch
IC904 :
µ
PC4570G2
Dual OP-Amp
– +
OUT 1
–IN 1
–V CC
+V CC
OUT 2
1
2
3
4 5
+IN 1 –IN 2
+IN 2
– +
6
7
8
5.0
2.8
0
0
5.0
0
0
0
0
0
0
5.0
11.4
10.8
10.8
-10.6
-10.6
0
0
0
0
0
0
0
0
5.1
0
0
12.4
0
0
-12.1
0
0
0
0.7
0
0
-11.2
0.7
5
2
1
3
4
1
2
3
7
5
6
2
3
6
5
1
7
P
age 107
to INPUT (6)_CB600
H4
P
age 107
to INPUT (6)_W603
I6
P
age 99
to DSP_W501
E2
P
age 106
to INPUT (2) _W304
I5
P
age 109
to A-VIDEO (2) _W701
C2
P
age 99
to DSP_CB2
J3
P
age 102
to FUNCTION (2) _W602
L4
P
age 107
to INPUT (6)_W604
I7
P
age 105
to PO
WER (1)_CB41
A5
Page 107
to INPUT (6)_W601
I4
P
age 101
to FUNCTION (1)_CB304
A5
Page 111
to D-VIDEO_CB504
I9
OPERATION (6)
OPERATION (1) OPERATION (3)
OPERATION (2)
OPERATION (5)
OPERATION (4)
MAIN/ZONE SW
INPUT SELECTOR
MASTER SW
PROGRAM
VOLUME