Main Circuit Diagram 002 (Dm1000) - Yamaha DM1000 Service Manual

X W V U T S

MAIN CIRCUIT DIAGRAM 002 (DM1000)

REGULATOR +1.8V
OP AMP
TRANSCEIVER
OR
28CC1-8826680-2
5
R Q P O N
CPU
SYSTEM RESET
AND
socket
Detection voltage:
Detection voltage: Detection voltage:
SYSTEM RESET
to FD-CN203
not used
(for check)
: not installed
Lithium Battery
Battery VN103500
Battery
VN103600(Battery holder for VN103500)
Notice for back-up battery removal Push the battery
as shown in figure,then the battery will pop up.
Druk de batterij naar beneden zoals aangeven in de
tekening de batterij springt dan naar voren.
M L K J I H
CLOCK BUFFER
NOR
INVERTER
NOR
NOR
Battery holder
G F E D C
µ PC2918T-E1(X2157A00)
REGULATOR +1.8V
SDRAM 64M SDRAM 64M
FLASH ROM 32M
OR
SRAM 8M SRAM 8M
SRAM 8M SRAM 8M
MAIN CIRCUIT DIAGRAM 002 (DM1000)
B A
DM1000
1
2
3
4
1
4
2
1: INPUT
3
2: GND
3: OUTPUT
4: GND
5
6
7
8
9
10
11
12
13
14
15
(SH3-CPU)
16
33
17