Yamaha DSP-AX1/RX-V1 Service Manual page 79

A B
SCHEMATIC DIAGRAM (DSP(2))
1
2
3 P-E93/J85
N-7
4.9
4.9
~
~
~
4
5
0.4 0.4
6
7
8
C D E
-2.9 -2.9 4.9
4.9 4.9 4.9 4.9 4.9 4.9
4.9
~ ~ ~ ~ ~ ~
~ ~
~ ~ ~ ~ ~ ~ ~
F G
4.9
~
~
CIRCUIT CHANGES BY MARKET. X : NOT USED
H I J
IC901, 902 : M66004MBFP-200C
FL Display Driver
DISPLAY CODE
CS SERIAL
14
REGISTER CGROM
SCK RECEIVE
15 (35BITx160)
(8BITx16)
SDATA 16 CIRCUIT
CODE SEGMENT
WRITE
CGRAM
CORD/ (35BITx16)
COMMAND
RAM
CONTROL WRITE
CIRCUIT
DISPLAY
CONTROL
RESET 13
REGISTER CODE
SELECT
XIN 21 DIGITAL
CLOCK DISPLAY
GENERATOR OUTPUT
CONTROLLER
XOUT 20 CIRCUIT
P-E97/J89
G-4
P-E92/J84
K-8
P-E92/J84
E-9
P-E93/J85
TO MAIN (2) TO POWER TRANSFORMER
L-5
P-E93/J85
TO MAIN (2) TO POWER TRANSFORMER
L-5
* All voltage are measured with a 10MΩ/V DC electric volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
K
DSP-AX1/RX-V1
SEG00
59
33 SEG26
OUTPUT
31 SEG27
CIRCUIT
23 SEG35
OUTPUT 18 P0
PORT
(2BIT)
17 P1
12 DIG00
1 DIG11
64 DIG12
61 DIG15
P-E101/J93
G-5
P-E100/J92
E-4
P-E100/J92
E-4
E-94/J-86